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Volvo SDLG LG936L Operation & Maintenance Manual

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Operation & Maintenance Manual

LG936L

WHEEL LOADER

WARNING

Operators and maintenance persons should read this manual

carefully and understand these instructions before use to

avoid serious accident. For the convenience of relevant

people using this manual, it should be easily accessable and

kept in readable condition.

SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD

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Summary of Contents for Volvo SDLG LG936L

  • Page 1
    Operation & Maintenance Manual LG936L WHEEL LOADER WARNING Operators and maintenance persons should read this manual carefully and understand these instructions before use to avoid serious accident. For the convenience of relevant people using this manual, it should be easily accessable and kept in readable condition.
  • Page 2
    Operation & Maintenance Manual──LG936L Wheel Loader LG936L WHEEL LOADER Operation & Maintenance Manual 880×1230 mm 7.25pieces 1th Edition and 2nd Print in 2009. 2 SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD Address: Linyi Economic Development Zone, 276023 Tel: (+86) 0539－8785688 Fax: (+86) 0539-8785698 8785671 Services Tel：8008607999 4006587999 (+86) 0539-8785800 Services Fax：(+86) 0539-8785671…
  • Page 3
    Operation & Maintenance Manual──LG936L Wheel Loader Operation & Maintenance Manual Concise Guide All reasonable measures have been taken to ensure that this publication is correct and complete, but if any user is in doubt about any detail, clarification may be sought from Shandong Lingong Construction Machinery Co.
  • Page 4
    Operation & Maintenance Manual──LG936L Wheel Loader Feedback At Shandong Lingong Construction Machinery Co. Ltd, we are continually striving to improve the standards of our manuals and customer feedback is very welcomed. If you would like to comment on any aspect of this manual or our products in general, please send email to: TechCenter@sdlg.cn Alternatively, send a fax to +86 539 8785698 or write to…

  • Page 5: Table Of Contents

    Operation & Maintenance Manual──LG936L Wheel Loader Table of Contents PREFACE ……………………………VIII SAFETY INFORMATION ……………………….X CHAPTER I SAFETY …………………………1 1 SAFETY LABEL POSITIONS AND THE CONTENTS……………… 1 1.1 Safety Label and Its Position……………………1 1.2 The Contents of Safety Label（Domestic Type）……………… 2 1.3 The Contents of Safety Label (Export Type)……………….

  • Page 6
    Operation & Maintenance Manual──LG936L Wheel Loader 8.10 Welding Repair………………………. 35 8.11 Maintenance of Coolant System………………….36 8.12 Examination and Repair of Hydraulic System ………………37 8.13 Preventing Fire ………………………. 37 8.14 Air Storage Tank……………………..38 8.15 Electric System………………………. 39 8.16 Maintenance of Storage Battery ………………….39 8.17 Charging of Storage Battery……………………
  • Page 7
    Operation & Maintenance Manual──LG936L Wheel Loader 1.10 Oil Changing ……………………….. 100 1.11 Welding Guide……………………… 100 1.12 Fire Prevention ……………………..100 1.13 Sealing Part ……………………….100 1.14 Checking the Frame …………………….. 100 1.15 Attention to Washing Machine ………………….100 1.16 Checking in Raining and Snowing Circumstances …………….101 1.17 Dusty Circumstances…………………….

  • Page 8: Preface

    Operation & Maintenance Manual──LG936L Wheel Loader PREFACE Thank you for purchasing the wheel loader produced by Shandong Lingong. This manual is a guideline for users to operate and maintain this machine properly. Keep this manual within easy access and have all relevant people read it before use. If this manual is lost, damaged or cannot be read, contact our company or our dealers.

  • Page 9
    Operation & Maintenance Manual──LG936L Wheel Loader △ WARNING The wrong operation, maintenance and repair could result in injury or death. An operator should read this manual carefully before operation or maintenance. Never attempt to operate, maintain or repair the machine before reading and understanding this manual.

  • Page 10: Safety Information

    Operation & Maintenance Manual──LG936L Wheel Loader SAFETY INFORMATION Operators should know and obey the safety criteria described in national and local laws. If there is no such national or local criteria, please follow the rules described in this manual. Most accidents are caused by the failure to follow fundamental safety regulations for the operation and maintenance of machines.

  • Page 11: Chapter I Safety

    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER I SAFETY △ WARNING Read and follow all safety precautions. Failure to do so may result in serious injury or death. 1 SAFETY LABEL POSITIONS AND THE CONTENTS 1.1 Safety Label and Its Position The positions of safety labels of this machine are shown in the figure 1-1 and figure 1-2.

  • Page 12: The Contents Of Safety Label（Domestic Type

    Operation & Maintenance Manual──LG936L Wheel Loader 1.2 The Contents of Safety Label（Domestic Type） 1. Warning for starting Located above the start button 2. Limit position of lift arm 4. Danger of injury or 3. Danger of lift arm death during steering (Lock the lift arm cylinder before Located on both sides of entering dangerous areas.)

  • Page 13
    Operation & Maintenance Manual──LG936L Wheel Loader 5. Notice for operation 6. Notice for driving Located on the left side of operator cab door Located on the inner left front or mouse of radiator of engine hood glass of the operator cab. Sitting allowed only in cab.
  • Page 14
    Operation & Maintenance Manual──LG936L Wheel Loader 11. Notice for high temperature 12. Fuel oil tank Located on vent-pipe of engine Located on the of fuel oil tank. hood Precaution 13. Notice of hot water 14. Notice for lift Pay attention to the steam or hot water ejection. Located on the front of front and rear frames Located on the cover of engine water tank.
  • Page 15
    Operation & Maintenance Manual──LG936L Wheel Loader Figure 1-2 Figure of safety label position (Export Type)

  • Page 16: The Contents Of Safety Label (Export Type)

    Operation & Maintenance Manual──LG936L Wheel Loader 1.3 The Contents of Safety Label (Export Type) 1. Limit position of lift arm 2. Danger of actuating arm Located on both sides of actuating arm. Located on both sides of actuating arm 3. Antifreeze fluid （ if -45# coolant 4.

  • Page 17
    Operation & Maintenance Manual──LG936L Wheel Loader 5 Notice for the door of operator cab 6. Notice of required reading manual Located on right and left operator cab doors Located on the left front upright column of operator cab. 7. Prevent tip-over 8.Check before starting Located on the inner right front Located on the inner left back…
  • Page 18
    Operation & Maintenance Manual──LG936L Wheel Loader 10. Warning to avoid noise 11. Wearing seat belt warning Located on the inner left back Located on the inner left back upright column of the operator cab. upright column of the operator cab. 12.
  • Page 19
    Operation & Maintenance Manual──LG936L Wheel Loader 15. Personal safety range Located on both sides of engine hood. 16.Warning of machine reversing 17.Start for lift Located on both sides of engine hood. Located on the lifting position of the front and rear frames. 19.
  • Page 20
    Operation & Maintenance Manual──LG936L Wheel Loader 20. Notice for platform frame Located on right and left platform frames. 21. Hydraulic oil tank 22. Notice for parking brake Located on the hydraulic oil tank Located on the operation tank. 24. Warning for starting 23.

  • Page 21: Safety Rules

    Operation & Maintenance Manual──LG936L Wheel Loader 2 SAFETY RULES 2.1 Safety Rules Only trained and authorized people can be permitted to operate and maintain the machine. Follow all safety rules, precautions and instructions when the machine is in operation or being maintained.

  • Page 22: Protective Items

    Operation & Maintenance Manual──LG936L Wheel Loader 2.3 Protective Items Wear protective items, such as helmet made of hard materials, safety glasses, shoes, mask reflector protective vest, earplugs, heavy gloves when the machine is in operation or being maintained. Make sure to wear a helmet made of hard materials, safety glasses and heavy gloves if there are scattered metal chips or other minute particles in the operation, particularly when cleaning the filter elements of the air cleaner with compressed air, and be sure that there is no one near the machine.

  • Page 23: Safety Operation

    Operation & Maintenance Manual──LG936L Wheel Loader 3 SAFETY OPERATION 3.1 Be Familiar with Machine Study the operation manual for the machine. Learn the structure of the machine, operation and maintenance. Be familiar with the positions and functions of the buttons, operation handles, meters and warning devices.

  • Page 24: Mounting And Dismounting

    Operation & Maintenance Manual──LG936L Wheel Loader 3.3 Mounting and Dismounting Check the handrails and pedals, and if there is oil, lubricant or dirt clean them first to prevent slippage. Repair the broken items and fasten the loose nuts. Never jump on or off the machine. Never get on or off a moving machine.

  • Page 25: Precautions When Operating At High Temperature

    Operation & Maintenance Manual──LG936L Wheel Loader storage. Do not allow unauthorized people to use. Electric welding and flame cutting is not allowed for the tubes containing flammable fluid. Clean the tubes with nonflammable fluid before electric welding and flame cutting. Clean thoroughly the flammable materials such as sawdust, leaves and paper which collect in the engine and brake clip, and clean the flammable oil, lubricating oil and other substances on the machine.

  • Page 26: Visibility Requirements

    Operation & Maintenance Manual──LG936L Wheel Loader 3.6 Visibility Requirements Pay attention to the stability of the front and rear of the machine during operation, since work equipment may block vision at the front while the load is concentrated on the back wheels. Be sure there is no fog, soot, sand or dust cloud that may block vision.

  • Page 27: Notice Of Attachment

    Operation & Maintenance Manual──LG936L Wheel Loader Do not try to check or maintain a working engine because it is dangerous. 3.8 Notice of Attachment Please read the user manual for all of the attachments and the contents in the manual that refers to an attachment when the attachment is being assembled and used.

  • Page 28
    Operation & Maintenance Manual──LG936L Wheel Loader 4.1.2 Check before Starting the Engine Check the machine carefully before starting work. Report to the manager if there is any abnormal condition. Operate only after the abnormal conditions are resolved. To avoid fire, check whether there are any flammable materials such as wood chips, leaves and paper which have accumulated on the engine.
  • Page 29
    Operation & Maintenance Manual──LG936L Wheel Loader 4.1.3 When Starting the Engine Before boarding on the machine, check the machine again to see whether there are people or blockages on or under or near the machine. If there are unrelated people in the working area, ask them to leave.

  • Page 30: Safety Driving

    Operation & Maintenance Manual──LG936L Wheel Loader the correct positions. Make sure all the control levers (or control handles) are easy to use. Examine the foot brake valve and oil operation valve according to the user manual to make sure that they are normal. Check whether the left turning and right turning is smooth at low speed. Be sure the control lever of the manual brake valve is at rescission of braking state before moving forward.

  • Page 31
    Operation & Maintenance Manual──LG936L Wheel Loader Always warn people near the machine in all direction by sounding the horn. The door of the cab should be locked when driving. Do not open the door while driving. It is dangerous to pick up other people. No one should sit on the machine body.

  • Page 32: Full Load Transportation

    Operation & Maintenance Manual──LG936L Wheel Loader 5.3 Full Load Transportation Do not keep a full bucket in the high position when moving. Select the proper speed with a full load during transport. Lower the bucket to contact the tilt block and run with proper height (400~500mm above the ground), so that the center of gravity can be lowered to insure driving smoothly.

  • Page 33: Pay Attention To Blockages

    Operation & Maintenance Manual──LG936L Wheel Loader The loader is a special vehicle. Drive carefully when taking long parts which may block the visibility. Carefully lift, go forward and backward, and shift gears. Never let unauthorized people go into the working area or give specific directions. There may be some illusion about the height of the ground and the distance at night, so keep the light on and drive at proper speed.

  • Page 34: Driving Safely On The Ramp

    Operation & Maintenance Manual──LG936L Wheel Loader Never drive the machine near hanging things or close to a deep ravine. The machine weight or vibration may cause the ground to collapse, and result in the machine turning over. Assemble anti-fall and anti-turn operator cab when working in an area where there is danger of falling stone and machine turnover.

  • Page 35: Towing

    Operation & Maintenance Manual──LG936L Wheel Loader the neutral gear. Go down the ramp slowly; never stop the engine. If the engine stops on the ramp (slope is less than 15°)， step on the brake padel immediately and lower the bucket to the ground to help brake, use the parking brake, put the gear control lever in the neutral position, and then restart engine.

  • Page 36: Safety Operation

    Operation & Maintenance Manual──LG936L Wheel Loader Keep the hook of the towing machine and the towing parts in a horizontal line. 6 SAFETY OPERATION 6.1 Keep Good Operation Habits Always be seated with the safety belt locked during operation. The machine in operation should always be controlled by the operator.

  • Page 37
    Operation & Maintenance Manual──LG936L Wheel Loader Be careful when the lift arm reaches the upper limit. Loading in the upper limit position may cause destabilization of loader. So the driving speed should be slow and the bucket should tilt forward slowly. When unloading to the truck or tipper, make sure the bucket does not hit the truck or tipper.

  • Page 38: Pay Attention To Surroundings

    Operation & Maintenance Manual──LG936L Wheel Loader Don’t use the machine for any work other than what the machine is designed for. It may damage the parts or cause an accident when using the head of the working equipment for other fuctions, such as hook, grasp, draw, push, or tow.

  • Page 39: Ensure Ventilation In Close Environment

    Operation & Maintenance Manual──LG936L Wheel Loader 6.3 Ensure Ventilation in Close Environment Open the window to ensure enough air when operating, dealing with fuel, cleaning parts or painting in close or badly ventilated environments to prevent bodily injury. If this can not satisfy the need, please assemble aerator.

  • Page 40: Safety Parking

    Operation & Maintenance Manual──LG936L Wheel Loader (electric wire is generally supported by fixed insulator). At least 6m (20ft) at 40KV high voltage condition (electric wire is generally supported by hanging insulator). The vertical distance between loader and the overhead electric wire should be: At least 2m (6.5ft) at low voltage condition.

  • Page 41: Notice For Cold Area

    Operation & Maintenance Manual──LG936L Wheel Loader 7.2 Notice for Cold Area Clear the water, snow or dust attached to wires, switches, power insert or sensor and the covers of these parts. Otherwise, the water in these parts may be frozen and an unpredictable accident may be caused.

  • Page 42: Working In A Close Area

    Operation & Maintenance Manual──LG936L Wheel Loader Please use the repair tools correctly; do not use broken or low quality tools. Lower the working equipment completely to the ground, stop the engine, push the parking brake switch, and wedge the tire during repairs to prevent bodily injury. Obey the rules of warning labels.

  • Page 43: Working Under The Machine

    Operation & Maintenance Manual──LG936L Wheel Loader handles) in the middle and wedge the tire from the opposite side. Put the cushion blocks under the machine. 8.4 Working under the Machine Park the machine on firm ground. Lower the working equipment to the ground before working under the machine.

  • Page 44: Maintenance While The Engine Is Working

    Operation & Maintenance Manual──LG936L Wheel Loader 8.6 Maintenance While the Engine is Working Routine maintenance of the machine should never be done while the engine is working. When it is necessary, please follow the rules below: Assign an operator to sit on the seat to ensure all the maintenance people can have contact with him so he can prepare to shut the engine when requested.

  • Page 45: Heavy Materials

    Operation & Maintenance Manual──LG936L Wheel Loader operation may be disabled and the electric circuit may be damaged. Wear protect clothes and glasses when using compressed air to clean the filter mesh. 8.9 Heavy Materials Wear protect clothes, safety glasses and safety helmet and put a copper bar between the hammer and the part being hit.

  • Page 46: Maintenance Of Coolant System

    Operation & Maintenance Manual──LG936L Wheel Loader Never do any modifications which may affect the performance, safety and strength capability of the vehicle and the working equipment. 8.11 Maintenance of Coolant System Severe burn may be caused if the cover of the oil tank and the radiator are opened after welding, so pour water or oil on the cover of the oil tank immediately after finishing welding.

  • Page 47: Examination And Repair Of Hydraulic System

    Operation & Maintenance Manual──LG936L Wheel Loader 8.12 Examination and Repair of Hydraulic System Lock the oil tank and other hydraulic equipment safely, release the pressure of all hydraulic systems before examining the hydraulic system. Never bend or beat the high pressure hydraulic pipe. Never assemble the hard pipe and soft pipe if they are bent abnormally or broken.

  • Page 48: Air Storage Tank

    Operation & Maintenance Manual──LG936L Wheel Loader Keep fire away from the storage place of fuel, grease or other flammable materials. Clean the flammable substances on the machine such as fuel, grease oily cloth or other flammable materials. Keep fire away from the storage battery because explosive gas may be generated.

  • Page 49: Electric System

    Operation & Maintenance Manual──LG936L Wheel Loader 8.15 Electric System A professional person with a proper license must maintain the electric system. Connect the grounding cable last to prevent an explosion due to electric sparks near the battery when adjusting outside power. Remove the start up key before repairing the electric system.

  • Page 50: Charging Of Storage Battery

    Operation & Maintenance Manual──LG936L Wheel Loader There is an indicator on the cover of the battery. The green light means it can be used, the black light means it should be charged, and the white light means it should be replaced. Replace with a new battery after the white light indicator.

  • Page 51: Maintenance And Storage Of Tires

    Operation & Maintenance Manual──LG936L Wheel Loader negative or ground (-) cable first when the voltage-raising cable is removed. Connect the ground cable to the frame of the broken machine. Connection should be as far as possible away from the storage battery. Do not let the voltage-raising cables touch each other or let the clamp touch the machine when the voltage-raising cable is removed.

  • Page 52: Waste Materials

    Operation & Maintenance Manual──LG936L Wheel Loader 8.19.2 Storage of Tires It is the basic rule that tires should be stored in a warehouse. No one can enter without permission. Put a fence around and hang a “No Enter” sign if the tires are stored outside the warehouse. Store the tires in a dry and clean place.

  • Page 53: Transportation On The Ground

    Operation & Maintenance Manual──LG936L Wheel Loader Slope boards should be strong enough with sufficient length and width to form a safe slope. The angle with the ground should not be larger than 15°. Keep a safe distance between slope board and board, board and machine.

  • Page 54
    Operation & Maintenance Manual──LG936L Wheel Loader during lifting. All the levers (or handles) should be in the middle position. Stop the engine, lock all the equipment using keys and then remove. No one is allowed to stay in the operator cab. Never lift the machine using steel wire connecting the two hooks on the front frame.

  • Page 55: Chapter Ii Introduction

    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER II INTRODUCTION 1 GENERAL VIEW OF THE MACHINE & COMPONENTS’ NAME Figure 2-1 General view and components’ name of LG936L wheel loader…

  • Page 56: Geometrical Dimensions

    Operation & Maintenance Manual──LG936L Wheel Loader 2 GEOMETRICAL DIMENSIONS Figure 2-2 Geometrical dimensions of LG936L wheel loader mounted with standard lift arms…

  • Page 57: Product Type And Its Meaning

    Operation & Maintenance Manual──LG936L Wheel Loader 3 PRODUCT TYPE AND ITS MEANING Upgrade code Template is 8 Load limit is 3 ton Wheel loader Shandong Lingong 4 NAMEPLATE The nameplate is fixed on the left rear side of the front frame, describing the model, serial No., production date and manufacturer of the machine.

  • Page 58: Use Conditions

    Operation & Maintenance Manual──LG936L Wheel Loader Figure 2-4 Nameplate of LG936L wheel loader mounted with long lift arms 5 USE CONDITIONS This loader is a multi-purpose large construction machine mainly used for bulk materials. It is widely used in mineral yards, construction, roads, freight yards and ports.

  • Page 59: Circumstances Requirement

    Operation & Maintenance Manual──LG936L Wheel Loader 6 CIRCUMSTANCES REQUIREMENT Requirements for this machine follows: 1. Altitude: ≤3000m; 2. Temperature: -15~40 ℃; 3. Water depth: ≤400mm. The loader is a general construction machine, and can be used under the conditions listed in this manual.

  • Page 60: Technical Performance & Parameter

    Operation & Maintenance Manual──LG936L Wheel Loader comfortable environment to the customers. Install many kinds of optional working equipment such as wood-clipping fork, grass-grabbing fork, increasing bucket, rock bucket, side dumping bucket, level fork, snow plowing and replace quickly attachment. 8 TECHNICAL PERFORMANCE & PARAMETER 8.1 Performance of Whole Machine Standard lift arm Long lift arm…

  • Page 61: Principle Dimension And Weight

    Operation & Maintenance Manual──LG936L Wheel Loader 8.2 Principle Dimension and Weight Length (bucket on ground) 7100 mm 7266 mm Width (outside of wheels) 2310 mm 2310 mm Bucket width 2510 mm 2510 mm Height 3170 mm 3170 mm Wheel track 1865 mm 1865 mm Wheel base…

  • Page 62: Chapter Iii Operation And Application

    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER III OPERATION AND APPLICATION 1 BE FAMILIAR WITH MACHINE 1.1 Control Systems and Gauges Figure 3-1 General view of control System (Double Control Lever, Manual Flameout) 1. Panel 2. Steering Wheel 3. Turning Switch 4.

  • Page 63
    Operation & Maintenance Manual──LG936L Wheel Loader 1. Steering Wheel 2. Panel 3. Turning Switch 4. Brake Pedal 5. Accelerator Pedal 6.Seat 7. Parking Brake Control Switch 8. Flameout Control Soft Knot 9. Equipment Control Lever 10. High and Low Speed Control Lever 11. Starting Switch 12.
  • Page 64
    Operation & Maintenance Manual──LG936L Wheel Loader 1. Working Chronometer 2. Engine Water Temperature Gauge 3. Gearbox Oil Pressure Gauge 4. Torque Converter Oil Temperature Gauge 5. Brake Air Pressure Gauge 6. Right Turn Indicator Lamp 7. Preheating Indicator Lamp 8. Parking Brake Indicator Lamp 9.

  • Page 65: Introduction Of Gauges & Controls

    Operation & Maintenance Manual──LG936L Wheel Loader 1.2 Introduction of Gauges & Controls The introduction of gauges & controls needed for operating the machine is below. Be sure to understand their functions and methods for use. 1.2.1 Vehicle Gauges and Lights Engine Water Temperature Gauge This gauge indicates the temperature of engine water.

  • Page 66
    Operation & Maintenance Manual──LG936L Wheel Loader If the pressure index lies in the green range , the oil （11～15） ×100kPa or （15.95～21.75） ×10PSI pressure is normal. Be sure to stop the machine for inspection if the index moves outside this range. Brake Air Pressure Gauge This gauge indicates the air pressure of the brake system.
  • Page 67
    Operation & Maintenance Manual──LG936L Wheel Loader Pre-heat Indicator Lamp: If assemble the pre-heat function, the lamp would be on if in the pre-heating state or the light will be off. Oil Pressure Warning Lamp: The lamp will come on immediately if the start switch is turned on.
  • Page 68
    Operation & Maintenance Manual──LG936L Wheel Loader Fuel Prefiltration Indicator Lamp: The lamp will come on when the fuel preliminary filter is blocked. Please clean it or replace. 1.2.2 Switch Starting Switch This switch, on the gauge panel, is used for starting or shutting 1.1 General down the electric system and the engine.
  • Page 69
    Operation & Maintenance Manual──LG936L Wheel Loader When the starting switch is in the ON position, the high beam of front headlight is lightened if the switch group turns to OFF and put it up; the head light, tail light and back light is lightened if the switch group turns to the position of ‘…
  • Page 70
    Operation & Maintenance Manual──LG936L Wheel Loader Unit Heater Switch (if assembled): Press the lower button and unit heater will work; press upper button, and unit heater stops working. When the unit heater or air-condition work, adjust the air outlet in the front or profile of gauge panel.
  • Page 71
    Operation & Maintenance Manual──LG936L Wheel Loader Warning Button Switch: When this button is pushed down, all the turning lamps will blink for an emergency circumstance, sending light to warn the other vehicles and passersby. Press the button once again and the button springs back, so all the turning lamps will stop blinking.
  • Page 72
    Operation & Maintenance Manual──LG936L Wheel Loader continuously turned; the machine rotation angle will increase until at the needed position. The faster the steering wheel turns, the faster the machine turns. The steering wheel will not automatically come back after turning, the turning angle of the machine will be kept.
  • Page 73
    Operation & Maintenance Manual──LG936L Wheel Loader bucket in the desired position. Lower is used for lowering. Float is used for moving freely under applied force. Notice: Do not lower the arm at float position. (2) Equipment Control Handle 1.1 General View of Refer to Controls and Gauges Figure 3-1, Figure 3-2 in this…
  • Page 74
    Operation & Maintenance Manual──LG936L Wheel Loader handle left to the rear tilt position and the control handle is locked. During drawing the bucket, the control handle returns to the neutral position and place it in the lowering position when in the set level automatically position. Then the equipment is placed on the ground and the bucket is in the bucketing position in order to realize the set level automatically function and increase the efficient of the whole vehicle.
  • Page 75
    Operation & Maintenance Manual──LG936L Wheel Loader 1.2.5 Cab Door Locking Bar Outside Cab Locking Bar: Open the left and right door to 180° and the orientation lock on the door will touch the outside lock of the cab and the door will be locked outside the cab. Turn the control bar downward and it will unlock.
  • Page 76
    Operation & Maintenance Manual──LG936L Wheel Loader Fuse Box (Domestic Type, Pilot Control) Fuse Box (Mechanical Control) Fuse Box (Export Type, Pilot Control) △ NOTICE Always be sure to close the startup switch before replacing the fuse .The fuse is used to protect the wiring and cable from burning out.
  • Page 77
    Operation & Maintenance Manual──LG936L Wheel Loader Start the engine. Open the air volume and power switch 2 which have three gears (fan low gear, fan middle gear and fan high gear) and four positions (O, L, M and H). The speed of evaporating fan increases from left to right to adjust the air volume.
  • Page 78
    Operation & Maintenance Manual──LG936L Wheel Loader 1. Air Volume and Power Switch 2.The Switch to Control The Temperature 3. Refrigeration Indicator Lamp 4. Power Indicator Lamp Operating methods Refrigeration First-time use, turn the air volume and power switch to high gear after the engine started, turn the temperature control switch to refrigeration.
  • Page 79
    Operation & Maintenance Manual──LG936L Wheel Loader or steam. Run the compressor once a week when the refrigeration isn’t used in winner for 1min to maintain the air conditioning in normal state. 1.2.10 Adjustment of Cab’s Seat △ ! WARNING When adjusting the cab’s seat, park the machine in a safe place and stop the engine.

  • Page 80: Run-In Period Of New Machine

    Operation & Maintenance Manual──LG936L Wheel Loader headrest. 1.2.11 Use of Safety Belt If the safety belt is assembled on the seat, please tie it when operating the machine. Before using safety belt, please check the degree of wear and firm. Replace it if it is necessary. Adjust the length of safety belt before using to make sure the safety belt can be used for safety guarantee and comfort.

  • Page 81: Operation And Use Of Loader

    Operation & Maintenance Manual──LG936L Wheel Loader than 70% of the maximum speed limit. Pay attention to the lubricating condition; routinely add and change the lubricant according to rules. Pay attention to the temperatures of the gearbox, torque converter, front and rear frame, rim and brake drum.

  • Page 82: Starting

    Operation & Maintenance Manual──LG936L Wheel Loader 3. The loader must be maintained and lubricated periodically. 4. Drive the loader until the brake pressure reaches 0.4MPa after the engine starts. 5. Put some hot water or vapor in front of the engine for preheating it. Preheat the engine until 30~40 before starting if the environmental temperature is lower than -5 .

  • Page 83
    Operation & Maintenance Manual──LG936L Wheel Loader 3.6.1 Fuel Supplying of Engine 1) Check the engine oil in the engine oil pan. Refer to this chapter. 2) Open the water tank cover to check the water level in the water tank. 3) Check the brake oil in the oil bowl of the brake booster pump.

  • Page 84: Running

    Operation & Maintenance Manual──LG936L Wheel Loader normal position. After that, start again, otherwise there may be some problem. When the engine oil pressure does not reach the designated value, the high running speed of the engine will induce a high temperature and the turbo charger may be broken. Use the equipment control levers to let the preheated hydraulic oil circle in hydraulic tank and pipes, so that way the hydraulic parts can warm quickly.

  • Page 85
    Operation & Maintenance Manual──LG936L Wheel Loader Never lift the bucket to the highest position while transporting material. The lower hinge of the arm working equipment should be 400～500mm above the ground to ensure stable driving in the transporting process. △ NOTICE Never run at high speed if the machine goes on a slope or uneven ground.

  • Page 86: Stopping

    Operation & Maintenance Manual──LG936L Wheel Loader 3.3.4 Braking Never put your foot on the brake pedal unless necessary. Never press the brake pedal again and again unless necessary. Never try to stop the engine and put the high-low speed control lever and the fore-and-aft control level in the neutral position while driving down sloping ground.

  • Page 87
    Operation & Maintenance Manual──LG936L Wheel Loader Pull the flameout control soft shaft (if assembled). Turn the key to OFF position. And draw it out and keep in a safe place. △ WARNING Never pull the flameout control soft shaft before the engine is cooled.
  • Page 88
    Operation & Maintenance Manual──LG936L Wheel Loader…

  • Page 89: Operations

    Operation & Maintenance Manual──LG936L Wheel Loader 3.5 Operations 3.5.1 Prepare to Work Clean the working area, and fill-up any hollow spaces. Clear away the sharp stones and roadblocks that may break the wheels and operation. 3.5.2 Modes of Work (1) Loading Operation Work together with a truck which can help improve working efficiency especially for long distance transportation.

  • Page 90
    Operation & Maintenance Manual──LG936L Wheel Loader (2) Digging Operation Digging Piled Soil or Blasted Rock When digging piled soil or blasted rock, the loader should face the material and do as follows: If the bucket must be lowered while driving the machine forward, stop the machine when the bucket is about 30cm above from the ground, and then lower it slowly.
  • Page 91
    Operation & Maintenance Manual──LG936L Wheel Loader Digging and Shoveling Material on Flat Ground Lightly set the bucket edge leaning on the ground (see picture) when digging and shoveling material on flat ground. Be careful not to fasten the load to one side which will cause unbalance.
  • Page 92
    Operation & Maintenance Manual──LG936L Wheel Loader (4) Dumping Operation When dumping material on to trucks or into freight yards, raise the lift-arm to the position (forward tilt to the maximum position) where the bucket does not touch the carriage or material pole. And operate working equipment control lever to tilt the bucket forward to dump.
  • Page 93
    Operation & Maintenance Manual──LG936L Wheel Loader (6) Striking Operation Tilt the bucket to let the blade touch the ground. For hard ground, put the lift arm control lever in the float position; for soft ground, put the lift arm control lever in the neutral position.
  • Page 94
    Operation & Maintenance Manual──LG936L Wheel Loader braking power. Another towing machine should be used to pull at the back side to prevent the towed machine from losing control or turning over. Start to tow and brake gently, at the low speed, and turn on the warning flash lamp. The speed for towing the loader should be within 2 km/h.

  • Page 95: Oil And Fuel Supply

    Operation & Maintenance Manual──LG936L Wheel Loader 3. Please use an anti-alpine storage battery in an anti-alpine area. Follow-up after every working day: In order to prevent the materials from freezing on the machine which may affect it working the next day, please do as follows: 1.

  • Page 96
    Operation & Maintenance Manual──LG936L Wheel Loader Yuchai YC6B125-T10 engine: If the oil level is lower than the ”L” line, oil should be added by the oil adding port; It is a suitable oil level if it is between the “L” and the “H” line. Weichai TD226B engine: If the oil level is lower than the ”L”…
  • Page 97
    Operation & Maintenance Manual──LG936L Wheel Loader Lay back the dipstick, close the side door on the cover of engine. For choosing the appropriate oil CHAPTER IV 2.2 Oil Selection please refer to ② Engine Oil Replac ement Park the machine on level ground, and put the transmission lever in neutral position. Pull the parking brake switch and put the blocks in the front and back of the tires.
  • Page 98
    Operation & Maintenance Manual──LG936L Wheel Loader 3.6.2 Adding Fuel to Fuel Tank Fuel Level Check Park the machine on level ground, and check the fuel level by dipstick on the outside of fuel tank. If the fuel level is under 0, please add fuel from inlet on the fuel tank.
  • Page 99
    Operation & Maintenance Manual──LG936L Wheel Loader △ WARNING If the temperature of the gearbox oil is relatively highs please wear protective clothes, and operate carefully to prevent injury. Drain all the oil out and clean the oil on the draining plug and the oil on shell of the gearbox. Wrap the plug with new ptfe tape and fit it well.
  • Page 100
    Operation & Maintenance Manual──LG936L Wheel Loader Oil Replac ement ② Park the machine on level ground and run in idle status for about 10 minutes. Trample the accelerator gently to move the machine slowly to let the oil drain plug on the wheel side of the front axle go to the lowest position Shut engine.
  • Page 101
    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant for selection of oil.. ② Oil Replac ement △ WARNING While replacing oil if other maintenance needs to be done do so following the relevant rules, and pay attention to safety. △…

  • Page 102: Long-Time Storage

    Operation & Maintenance Manual──LG936L Wheel Loader △ WARNING The temperature of hydraulic oil may be high, so wear protective clothes, and operate carefully to prevent injury. Disassemble the flange cover of the oil box bottom. Clean the oil tank inside, the oil inlet port and the oil recycle elements.

  • Page 103
    Operation & Maintenance Manual──LG936L Wheel Loader 3.7.2 During Storage △ WARNING Open doors and windows to ensure ventilation and exhaust to allow of poisonous gas if the antirust is used in the building. Start the machine once a month so that lubricant can be coated over the surface of the movable parts and other components surfaces.

  • Page 104: General Problems/Possible Cause/Remedies

    Operation & Maintenance Manual──LG936L Wheel Loader 3.8 General Problems/Possible Cause/Remedies 3.8.1 Electrical System Problems Possible Causes Remedy Faulty cable ( contact 1. Check, and repair the loose Lamp is not bright when the engine problem or open terminals and disconnections. runs at high speed.

  • Page 105
    Operation & Maintenance Manual──LG936L Wheel Loader 3.8.2 Transmission System Problems Possible Causes Remedy Low oil level in gearbox oil sump Oil leakage in the main oil lines Add oil to the specified level Clogged oil filter of gearbox Check the main oil lines Faulty converter charging pump Clean or replace the filter Shifting…
  • Page 106
    Operation & Maintenance Manual──LG936L Wheel Loader 3.8.3 Brake System Problems Possible Causes Remedy Change rectangular sealing ring of pump Oil leakage of pliers pump Bleed the air out Air in brake hydraulic lines Check the sealing performance of Insufficient Low brake air pressure air compressor, control valve, Over worn leather cup of booster pump brake force…
  • Page 107
    Operation & Maintenance Manual──LG936L Wheel Loader 3.8.4 Hydraulic System of Work Equipment Problems Possible Causes Remedy Over worn or damaged cylinders Change the oil seals of cylinder Over worn multi passage valve, Change the distribution valve excessive clearance between valve Find out the leaking points and spool and valve block repair…
  • Page 108
    Operation & Maintenance Manual──LG936L Wheel Loader 3.8.5 Steering System Problems Possible Causes Remedy Insufficient oil supply for working pump Check oil pump and steering pump Discharge air from system and Air in steering system check the suction lines Faulty steel-ball in check valve body of Check the valve.

  • Page 109: Chapter Ⅳ Maintenance

    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER MAINTENANCE Ⅳ 1 MAINTENANCE GUIDE Read following information carefully before carrying out maintenance and inspection. 1.1 Attention to Maintenance and Inspection Perform the maintenance on hard and level ground. Lower the work equipment near the ground and level the bucket. Set all control levers (or handles) to the Neutral position.

  • Page 110: Check The Oil And Filters

    Operation & Maintenance Manual──LG936L Wheel Loader about 20 ℃ to 40 ℃ If it is lower than this temperature, be sure to warm it up to this temperature before draining it. 1.8 Check the Oil and Filters After the oil is changed or filters are replaced, check the oil and filters. If large amounts of metallic particles or impurities are found, consult the maintenance people.

  • Page 111: Checking In Raining And Snowing Circumstances

    Operation & Maintenance Manual──LG936L Wheel Loader 1.16 Checking in Raining and Snowing Circumstances Clean the machine immediately after working in rain and snow. Lubricate and coat anti-rust oil to other parts. 1.17 Dusty Circumstances Do the following when the machine works in dusty circumstances: Inspect and clean air filter frequently to avoid blocking.

  • Page 112
    Operation & Maintenance Manual──LG936L Wheel Loader Never let impurities enter when changing and adding fuel. Strictly choose the fuel brand according to this manual. The fuel may be frozen at low temperatures (particularly temperatures lower than -15 ). So it is ℃…

  • Page 113: Selection Of Fuel, Coolant And Lubricant

    Operation & Maintenance Manual──LG936L Wheel Loader Remember to wipe off the overflow lubricant when adding it. 2.1.4 The Storage of Oil and Fuel Prevent water, dirt or other impurities from mixing with the oil. Follow the rule, first in first out, to maintain oil quality during long-term storage (Use the oil with the longest shell life).

  • Page 114
    Operation & Maintenance Manual──LG936L Wheel Loader Lowest temperature≥4 0#light diesel Oil GB252 ℃ Lowest temperature≥-5 ℃ -10#light diesel Oil GB252 Fuel tank 140L Fuel Lowest temperature≥-14 ℃ -20#light diesel Oil GB252 Lowest temperature≥-29 ℃ -35#light diesel Oil GB252 Brake fluid Motor-vehicle brake fluid HZY3 (DOT3) GB12981 Brake oil cup Pins in every joint points of 2# or 3# lithium based grease…
  • Page 115
    Operation & Maintenance Manual──LG936L Wheel Loader Mobile 8 # Hydrostatic Titan universal Caltex Delo Gold Standard Torque HEIBAWANG1300 Rotella 10W transmission oil Multigrade15W-40 Fluid G7 HD15W-40 Q/SH303 064 （ SAE 15W-40 ） Gear oil (Axle oil) Similar Oil Brands (classified by SAE standard, GL-5) Chinese Brands CALTEX FUCHS…

  • Page 116: The Sketch Of Lubricating Points

    Operation & Maintenance Manual──LG936L Wheel Loader 2.3 The Sketch of Lubricating Points 2.4 Detailed Rules of Electric System Maintenance If the wire stays in the wet environment or the insulation of it is damaged, the electric system may leakage which will cause hazardous accident. Maintenance of components related to the electric system.

  • Page 117: Tightening Torque Of Screw

    Operation & Maintenance Manual──LG936L Wheel Loader 2.6 Tightening Torque of Screw The tightening torques of screw connection of the important parts are listed in the table below. Abide by this table except in special conditions. Material or Position Specification character Torque(N.m) class Fixing bolts of transmission base…

  • Page 118: Content Of Maintenance

    Operation & Maintenance Manual──LG936L Wheel Loader 3. CONTENT OF MAINTENANCE 3.1 Every 10 Hours (Days) Service Check the sealing performance of work equipment systems such as hydraulic, steering and brake system. Check the flexibility and reliability of the brakes. Check whether the electric circuit is correct and the electric components are normal. Check the oil level in the oil tank and the water level in the water tank.

  • Page 119: Every 500 Hours (Season) Service

    Operation & Maintenance Manual──LG936L Wheel Loader Check whether assembling bolts of frames are loose and welding seams are cracked. Check whether the front and rear axles, engine and gearbox and frame are loosen. Check the tire pressure. Inflation pressure of front tires should be (0.333～0.353)MPa while that of rear tires should be (0.275～0.294)MPa.

  • Page 120: Every 2000 Hours (Year) Service

    Operation & Maintenance Manual──LG936L Wheel Loader Check and clean the filter mesh of the oil bowl in the booster pump. Clean the air vent and replace the brake fluid. Check if there is leakage in the hydraulic system. Check and clean the air vent of hydraulic reservoir.

  • Page 121: Chapter V The Structure And Priciple Of Main Components And System

    Operation & Maintenance Manual──LG936L Wheel Loader CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS AND SYSTEM 1 Transmission System The transmission system includes the hydraulic torque converter, gear box, transmission shaft, front and rear driving axle, wheel and others. The transmission system diagram is shown in the Figure 5-1. Figure 5-1 Principle Diagram of Transmission System 2 Hydraulic System As shown in Figure 5-2, the mechanical manual control hydraulic system is composed of a work…

  • Page 122
    Operation & Maintenance Manual──LG936L Wheel Loader valve, pilot valve, pressure select valve, lift arm cylinder, bucket cylinder, hydraulic pressure oil tank and pipe attachments. D32 multi-way valve is a two unit valve. D32A multi-way valve is a three unit valve. The bucket unit includes dumping, neutral and receiving bucket in three positions. The lift-arms unit controls four actions including floating, lowering, neutral and lifting to utilize the work control of loader working device.

  • Page 123: Brake System

    Operation & Maintenance Manual──LG936L Wheel Loader 1-Work and Pilot Pump 2-Pressure Select Valve 3-Oil Tank 4-Hydraulic Oil Radiator 5- Steering and Speed Changing Pump 6-Oil Returning Filter 7-Priority Valve 8-Redirector 9- Steering Cylinder 10-Pilot Valve 11-Multi-way Valve 12-Lift Arm Cylinder 13-Bucket Cylinder 14-Pilot Filter Figure 5-3 Two Units Valve Pilot Control Hydraulic System Diagram 1-Work and Pilot Pump 2- Oil Tank 3- Pressure Select Valve 4-Hydraulic Oil Radiator…

  • Page 124: Driving Brake System(Single Brake Pedal)

    Operation & Maintenance Manual──LG936L Wheel Loader 1-Parking Brake Air Chamber 2- Brake Magnetic Valve 3- Combination Valve of Oil Water Separator 4- Air Compressor 5- Air Tank 6- Air Brake Valve 7- Air Booster Pump Figure 5-5 LG36L Single Brake Pedal Braking Diagram 1- Air Booster Pump 2-Shuttle Valve 3- Air Brake Valve 4- Air Tank 5- Combination Valve of Oil Water Separator 6- Air Compressor…

  • Page 125: Driving Brake System(Single Brake Pedal)

    Operation & Maintenance Manual──LG936L Wheel Loader When the brake pedal is stepped on during driving, the compressed air in air tank 5 flows through air brake valve 6 into the air chamber of the air booster valve 7. The compressed air pushes the piston of the booster pump to change the oil pressure (oil pressure is about 14MPa).

  • Page 126: Electric System

    Operation & Maintenance Manual──LG936L Wheel Loader 4 Electric System The electric system is composed of a storage battery, starting motor, charge generator, appliance, switch, lamps and other electric instruments. The system of this machine employs D.C. 24V voltage, negative electrode and single wire lines. The relation of each electric instrument and their working theories refer to the diagram sketch of the electric system as is shown in figure 5-7,5-8,5-9,5-10.

  • Page 127
    Operation & Maintenance Manual──LG936L Wheel Loader Figure 5-7 Electric System Principle Diagram (Mechanical Operation) 0 117…
  • Page 128
    Operation & Maintenance Manual──LG936L Wheel Loader Figure 5-8 LG936L Electric System Principle Diagram (Pilot Operation, Domestic Type,) 0 118…
  • Page 129
    Operation & Maintenance Manual──LG936L Wheel Loader Figure 5-9 LG936L Electric System Principle Diagram with DEUTZ Engine TD226B （ Export Type ） 0 119…
  • Page 130
    Operation & Maintenance Manual──LG936L Wheel Loader Figure 5-10 Electric System Principle Diagram with Cummins Engine (Export Type) 0 120…

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Operation & Maintenance Manual

LG936

WHEEL LOADER

WARNING

Operators and maintenance persons should read this manual

carefully and understand these instructions before use to

avoid serious accident. For the convenience of relevant

people using this manual, it should be kept properly.

SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD

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Summary of Contents for SDLG LG936

  • Page 1
    Operation & Maintenance Manual LG936 WHEEL LOADER WARNING Operators and maintenance persons should read this manual carefully and understand these instructions before use to avoid serious accident. For the convenience of relevant people using this manual, it should be kept properly.
  • Page 2
    Operation & Maintenance Manual──LG936 Wheel Loader LG936 WHEEL LOADER Operation & Maintenance Manual 880×1230 mm 18pieces 3rd Edition and 1st Print in 2008. 4 SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD Address: Linyi Economic Development Zone, 276023 Tel: (+86) 0539－8785688 Fax: (+86) 0539-8785698 8785671 Services Tel：8008607999 4006587999…
  • Page 3
    Operation & Maintenance Manual──LG936 Wheel Loader Operation & Maintenance Manual Concise Guide All reasonable steps have been taken to ensure that this publication is correct and complete, but should any user be in doubt about any detail, clarification may be sought from Shandong Lingong construction machinery Co.
  • Page 4
    Operation & Maintenance Manual──LG936 Wheel Loader Feedback At Shandong Lingong Construction Machinery Co. Ltd, we are continually striving to improve the standards of our manuals and would welcome customer feedback. If you would like to comment on any aspect of this manual or our products in general, please send email to: TechCenter@sdlg.cn…

  • Page 5: Table Of Contents

    Operation & Maintenance Manual──LG936 Wheel Loader Table of Contents PREFACE ……………………………VIII SAFETY INFORMATION ……………………….X CHAPTER I SAFETY …………………………1 1 SAFETY LABELS POSITIONS AND THE CONTENTS…………….1 1.1 Safety Label and Its Position……………………1 1.2 The Contents of Safety Label(Domestic Type) ………………2 1.3 The Contents of Safety Label (Export Type)……………….

  • Page 6
    Operation & Maintenance Manual──LG936 Wheel Loader 8.10 Welding Repair………………………. 31 8.11 Examine and Repair of Coolant System………………..32 8.12 Examine and Repair of Hydraulic System ………………32 8.13 Anti-fire …………………………. 33 8.14 Air Storage Tank……………………..34 8.15 Electric System………………………. 34 8.16 Maintenance of Storage Battery ………………….
  • Page 7
    Operation & Maintenance Manual──LG936 Wheel Loader 1.12 Fire Prevention ………………………. 93 1.13 Sealing Part ……………………….93 1.14 Checking Frame ……………………..93 1.15 Precautions When Washing Machine ………………..93 1.16 Checking in Raining and Snowing Circumstances …………….93 1.17 Dusty Worksite ………………………. 94 1.18 Avoid Using Mixed Oil ……………………

  • Page 8: Preface

    Operation & Maintenance Manual──LG936 Wheel Loader PREFACE Thank you for purchasing the LG936 wheel loader. This manual is a guideline for users to use and maintain this machine properly. Keep this manual in cab and have all relevant people read it at any moment. If this manual has been lost or has become damaged and cannot be read, contact with our company or our dealers.

  • Page 9
    Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING The wrong operation, maintenance and repair could results in hurt and death. Operator should read this manual carefully before operation or maintenance. Never involve in operation and maintenance and repair of the machine before reading and understanding this manual.

  • Page 10: Safety Information

    Operation & Maintenance Manual──LG936 Wheel Loader SAFETY INFORMATION The operator should know and obey the safety criterion described in national and local laws. If there is no such criterion, please follow the rules described in this manual. Most accidents are caused by the failure to follow fundamental safety regulations for the operation and maintenance of machines.

  • Page 11: Chapter I Safety

    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER I SAFETY △ WARNING Read and follow all safety precautions. Failure to do may result in serious injury or death. 1 SAFETY LABELS POSITIONS AND THE CONTENTS 1.1 Safety Label and Its Position The positions of safety label of this machine please see the figure above.

  • Page 12: The Contents Of Safety Label(Domestic Type)

    Operation & Maintenance Manual──LG936 Wheel Loader 1.2 The Contents of Safety Label(Domestic Type) 1 Antifreeze fluid（if sticked） Warning of radiator cover Located on the mouse of radiator of Located on the cover of radiator of engine hood engine hood 3 Warning of safety distance…

  • Page 13
    Operation & Maintenance Manual──LG936 Wheel Loader 8 Label of Hydraulic oil tank 10 Notice for the door of operator cab Located on the top of the Located on the inner side of fuel tank operator cab door 9 Warning of Steering…
  • Page 14
    Operation & Maintenance Manual──LG936 Wheel Loader 14 Danger of actuating arm Located on the two sides of actuating arm Figure 1-2 Figure of safety label position (Export Type)

  • Page 15: The Contents Of Safety Label (Export Type)

    Operation & Maintenance Manual──LG936 Wheel Loader 1.3 The Contents of Safety Label (Export Type) 1 Limit position of lift arm 2 Danger of actuating arm (Lock the lift arm cylinder before Located on the two sides entering dangerous areas.) of actuating arm…

  • Page 16
    Operation & Maintenance Manual──LG936 Wheel Loader 7 Danger of high voltage Located on the left back pole inner operator cab 8 Antifreeze fluid（if sticked） 10 Warning of machine reversing Located on the left operator cab Located on the two sides of engine hood…
  • Page 17
    Operation & Maintenance Manual──LG936 Wheel Loader 13 Warning of high temperature 14 Hydraulic oil tank Located on vent-pipe of engine Located hood hydraulic oil tank 15 Notice for platform frame 16 Danger or death during Steering Located on right and left sides of…

  • Page 18: Safety Rules

    Operation & Maintenance Manual──LG936 Wheel Loader 2 SAFETY RULES 2.1 Safety Rules Only trained and authorized people can be permitted to operate and maintain the machine. Follow all safety rules, precautions and instructions when operating and maintaining the machine. Adjust yourself, never operate machine when you feel bad.

  • Page 19: Protective Items

    Operation & Maintenance Manual──LG936 Wheel Loader 2.3 Protective Items Wear protective items, such as hard helmet, safety glasses, shoes, mask reflector waistcoat or veil, earplug, heavy gloves when operating or maintaining the machine. Make sure to ware hard helmet, safety glasses and…

  • Page 20: Be Familiar With Machine

    Operation & Maintenance Manual──LG936 Wheel Loader 3.1 Be Familiar with Machine Learn the study manual supplied together with the machine. Learn the structure of the machine, operation and maintenance. Be familiar with the buttons, operation handles, meters, warning devices and their positions and functions.

  • Page 21: Mounting And Dismounting

    Operation & Maintenance Manual──LG936 Wheel Loader 3.3 Mounting and Dismounting Check the handrails and pedals, if there is oil, lubricant or dirt; clean them first to prevent slip. Besides, repair the broken items, fasten the loosen nuts. Never jump on or off the machine. Never get on or off a moving machine.

  • Page 22: Precautions When Operating At High Temperature

    Operation & Maintenance Manual──LG936 Wheel Loader separately. Do not allow unauthorized people to use. Electric welding and flame cutting is not allowed for the tubes containing flammable fluid. Clean the tubes with nonflammable fluid before electric welding and flame cutting.

  • Page 23: Prevention For Crushing Or Cutting

    Operation & Maintenance Manual──LG936 Wheel Loader equipment that may block the eyesight at the front and meanwhile the load is concentrated on the back wheels. Be sure there is no big fog, soot or Sand-dust that may block the eye sight.

  • Page 24: Notice Of Attachment

    Operation & Maintenance Manual──LG936 Wheel Loader 3.8 Notice of Attachment Please read the user manual of the attachment and the contents in the manual that refers to attachment when assemble and use the attachments. It is not allowed to use the attachments that are not sold by Shandong Lingong construction machinery Co.

  • Page 25
    Operation & Maintenance Manual──LG936 Wheel Loader lost. Check the cab floor, rearview mirror, control lever (or control handle), pedal and handrails whether there is oil, grease, snow or other dirt. Clean them if there are such things. Check the water level of coolant, fuel and the oil of engine oil Pan is at the normal level. Pleas CHAPTER III –…

  • Page 26: Safety Driving

    Operation & Maintenance Manual──LG936 Wheel Loader Sit with safety belt (if assembled). Know the meanings of warning equipment, meters, and control equipments on the panel. Be sure the parking brake switch is at the Braking position; all the control equipments are in the middle position, and the gearshift control lever is in the Neutral position..

  • Page 27: Oneself Safety And Others’ Safety

    Operation & Maintenance Manual──LG936 Wheel Loader 5.2 Oneself Safety and Others’ Safety Form good driving habbit to ensure everyone’s safety. Sound the horn to ensure safety before driving to let others know. Be sure there is no people or block at left and right side.

  • Page 28: Full Load Transportation

    Operation & Maintenance Manual──LG936 Wheel Loader Drive at side and let the other cars go first. Keep distance with others. Stop and brake when the engine stops. △ WARNING Steering unit will not work when engine stops. Emergency brake could hurt people! It is dangerous to change the running direction from forward to backward at high speed.

  • Page 29: Ensure Good Visibility

    Operation & Maintenance Manual──LG936 Wheel Loader Keep low speed so as to control easily at any time. Never drive fast, turn and brake suddenly at rugged, slippery or oblique ground. Drive at low speed when pass rough or rugged ground with blocks around, which may let the control of steering wheel difficult.

  • Page 30: Safety Drive On The Ramp

    Operation & Maintenance Manual──LG936 Wheel Loader rained. Step on the brake pedal gently and alternately to let the skid device dry. The clay piled on the ground or near the canal is soft. Never turn over caused by the weight of loader.

  • Page 31: Towing

    Operation & Maintenance Manual──LG936 Wheel Loader backward when drive downward the ramp. Do not turn. Brake slowly when driving downward the ramp, do not use empty speed control for gearshift control lever. Go down the ramp slowly, never stop the engine.

  • Page 32: Safety Operation

    Operation & Maintenance Manual──LG936 Wheel Loader Let the hook of one machine to be towed at the same line with the towing part of the other one. 6 SAFETY OPERATION 6.1 Keep Good Operation Habit Be seated with safety belt (if assembled) all the time during operation.

  • Page 33
    Operation & Maintenance Manual──LG936 Wheel Loader garage and etc.. Examine the ground and clean it first. Operate down the wind at strong wind weather. Be careful when the lift arm reach the upper limit. Load at the uper limit may cause the loader unstable.

  • Page 34: Pay Attention To Surroundings

    Operation & Maintenance Manual──LG936 Wheel Loader Don’t use the machine to do unprofessional works. Use the head of working equipment as other fuction, such as hook, grasp, draw, push, or tow may hurt the part or cause accident. 6.2 Pay attention to Surroundings…

  • Page 35: Don’t Get Close To Dangerous Environment

    Operation & Maintenance Manual──LG936 Wheel Loader Open the widow to ensure enough air when work or burn oil, clean parts or painting in close or bad ventilate environment to prevent hurt our body. If this can not satisfy the need, please assemble aerator.

  • Page 36: Safety Parking

    Operation & Maintenance Manual──LG936 Wheel Loader insulator) To prevent accident, please do the following things: The height distance between loader and the electric wire should be At least 2m(6.5ft) at low voltage cases At least 4m (13ft) at high voltage cases Ask the electricity company first how to act according to the relevent rules when the machine may touch the electricity cables.

  • Page 37: Safety Examine And Repair

    Operation & Maintenance Manual──LG936 Wheel Loader of these parts. Otherwise, the ice will form and the unpredictable accident may be caused. Preheat sufficiently. The machine may delay if do not preheat before operating the conrol handle of working equipment and the unpredictable accident may be caused.

  • Page 38: Working In Close Area

    Operation & Maintenance Manual──LG936 Wheel Loader switch, and wedge the tire during repair to prevent body hurt. Obey the rule of Warning billboard. Pay attention to the important notices in the lable of the machine and obey to the rule. Add new one or clean the lable if it is lost or dirty.

  • Page 39: Working Under The Machine

    Operation & Maintenance Manual──LG936 Wheel Loader Before driving up, lock the front and rear frames with Safety Bar, put the working equipment control lever(or handle) in the middle, wedge the tire from the opposite side. Put the cushion blocks under the machine.

  • Page 40: Do Not Let Anything Fall Into The Inner Place Of Machine

    Operation & Maintenance Manual──LG936 Wheel Loader Assign a operator to sit down on the seat to ensure all the maintenance people can contact with him and prepare to shut the engine. Never touch the part with high temperature such as tail pipe, silencer and etc to prevent hurt.

  • Page 41: Heavy Things

    Operation & Maintenance Manual──LG936 Wheel Loader 8.9 Heavy Things Wear protect cloth, safety glass and safety helmet, put a copper bar between hammer and the part being hit. If hit the hard part using hammer, such as pin and bearing, eyes may be hurt by flying particles.

  • Page 42: Examine And Repair Of Coolant System

    Operation & Maintenance Manual──LG936 Wheel Loader 8.11 Examine and Repair of Coolant System Severe burn may be caused if open the cover of oil tank, radiator after welding, pour water or oil immediately after finishing welding, because the temperature of hydraulic oil, fuel and water in engine, oil and oil in radiator may still very high and the pressure may still be high at this time.

  • Page 43: Anti-Fire

    Operation & Maintenance Manual──LG936 Wheel Loader systems before examine the hydraulic system. Never bend or beat the high pressure hydraulic pipe, never assemble the hard pipe and soft pipe bended abnormally or broken. Examine the pipe system carefully (hard pipe and soft pipe), screw down the connectors according to the proper torque.

  • Page 44: Air Storage Tank

    Operation & Maintenance Manual──LG936 Wheel Loader Keep fire OFF storage battery, because explosive gas may be generated. Strictly follow the program in user manual to maintain the storage battery. Make sure there is no flammable materials such as blasted grass, old paper and etc near the high temperature parts such as silencer and etc when park the machine.

  • Page 45: Maintenance Of Storage Battery

    Operation & Maintenance Manual──LG936 Wheel Loader 8.16 Maintenance of Storage Battery Oxygen and hydrogen may be generated during charging because the electrolyte of storage battery contains vitriol. So miss-operation of storage battery may lead to severe hurt or fire. Please do as following notices: Keep kids OFF since the battery contains strong erosive vitriol.

  • Page 46: Charging Of Storage Battery

    Operation & Maintenance Manual──LG936 Wheel Loader for long time (generally more than 15 days). Recharge the battery every 3~6 months (based on whether the indicator is black or not). 8.17 Charging of Storage Battery It may explode if the storage battery charges in the wrong way. So deal with the battery as the dealing program and the program in user manual.

  • Page 47: Maintenance And Storage Of Tire

    Operation & Maintenance Manual──LG936 Wheel Loader 8.19 Maintenance and Storage of Tire 8.19.1 Maintenance of Tire The Explosion of tire can push the parts, such as tire, rim, driving axle and etc., as far as 500m or more. The explosion and the particles can lead to sever hurt and death, so please keep the pressure of tire at the normal level.

  • Page 48: Waste Materials

    Operation & Maintenance Manual──LG936 Wheel Loader the dirt and oil can erode the tire. No light, heat insulation and ventilation are needed for storage. Cover the tires with canvas, plastic cloth or other anti-dust cloth. The wrong storage method can reduce the quality and life of tire seriously.

  • Page 49: Transportation On The Ground

    Operation & Maintenance Manual──LG936 Wheel Loader Keep the board surface clean, and there are no lubricant, oil, ice and incompact materials. Clean the dirt of the tire. Never turn on the slope board. If it is necessary, turn outside the board and then drive back.

  • Page 50
    Operation & Maintenance Manual──LG936 Wheel Loader Prevent broken of hood, operator cab, hydraulic pipes. No person and car is allowed to pass under the machine during lifting. Draw back the lock bar to turn the machine after lifting. Connect the turning equipment using lock bar after lifting onto the ship (train), wedge the tire and…

  • Page 51: Chapter Ii Introduction

    1 GENERAL VIEW OF THE MACHINE & COMPONENTS’ NAME Front Frame Driving Cab Dump Cylinder Tilt lever Left Rear Front Right Rear Wheel Front Wheel Lift arm Bucket Working light Figure 2-1 General view and components’ name of LG936 wheel loader…

  • Page 52: Geometrical Dimensions

    Operation & Maintenance Manual──LG936 Wheel Loader 2 GEOMETRICAL DIMENSIONS Figure 2-2 Geometrical dimensions of LG936 wheel loader mounted with standard lift arms…

  • Page 53: Product Type And Its Meaning

    The format of nameplate is shown as figure 2-3, 8 TECHNICAL PERFORMANCE & figure 2-4. The other configurations please see “ PARAMETER ” in this chapter Figure 2-3 Nameplate of LG936 wheel loader mounted with standard assembles using YC6108G diesel engine…

  • Page 54: Use Conditions

    Operation & Maintenance Manual──LG936 Wheel Loader Figure 2-4 Nameplate of LG936 wheel loader mounted with standard assembles using TD226B diesel engine 5 USE CONDITIONS This loader is multi-purpose moderate engineering mechanism mainly used for bulk materials. It is widely used in mineral yards, constructions, roads, enterprises, freight yards and ports, etc.

  • Page 55: Circumstances Requirement

    Operation & Maintenance Manual──LG936 Wheel Loader 6 CIRCUMSTANCES REQUIREMENT The requirement of this machine needs the circumstances listed as follows: 1. Altitude: ≤3000m; 2. Temperature: -15~40 ℃; 3. Water depth: ≤400mm. The loader is general purpose engineering machine, and can be used under the cases listed in this manual.

  • Page 56: Technical Performance & Parameter

    Operation & Maintenance Manual──LG936 Wheel Loader 8 TECHNICAL PERFORMANCE & PARAMETER 8.1 The Performance and Parameters of whole machine Standard lift arm Lengthened lift arm Bucket capacity 1.8 m 1.6 m Rated loading capacity 30000N 27000N Lifting time (full load) ≤5.3 s…

  • Page 57: Product Standard And License

    Operation & Maintenance Manual──LG936 Wheel Loader Min. ground clearance 370 mm 370 mm Max. dumping height (-45° dumping angle) 2950 mm 3278 mm Dumping space (-45° dumping angle) 1050 mm 1020 mm Dumping angle ≥45° ≥45° Operate weight 10700kg 10700kg 8.3 Product Standard and License…

  • Page 58: Chapter Iii Operation And Application

    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER III OPERATION AND APPLICATION 1 BE FAMILIAR WITH MACHINE 1.1 General Views of Controls and Gauges 1. Panel 2. Steering Wheel 3. Steering Switch 4. Gearshift Control Lever 5. Brake Pedal 6. Accelerator Pedal 7. Seat 8. Flameout control soft shaft 9. Rocket Switch 10.Parking Brake Switch 11.

  • Page 59
    Operation & Maintenance Manual──LG936 Wheel Loader 1. Steering Wheel 2. Panel 3. Gear Control Lever 4. Brake Pedal (one at left and right side) 5. Seat 6.Accelerator Pedal 7.Socket switch of right operate box 8. Air condition panel (if assembled) 9.

  • Page 60: Introduction Of Gauges & Controls

    Operation & Maintenance Manual──LG936 Wheel Loader 1. Gearbox Oil Pressure Gauge 2. Brake Air Pressure Gauge 3. Working Chronometer 4. Left Turn Indicator Lamp 5. Indicator Lamp 6. Speed Gauge 7. Right Turn Indicator Lamp 8. Fuel level Gauge 9. Engine Water Temperature Gauge 10. Torque Converter Oil Temperature Gauge 11.

  • Page 61
    Operation & Maintenance Manual──LG936 Wheel Loader the water temperature is normal. If the temperature index is over green to reach red ranges, be sure to stop the machine for inspection. Working Chronometer This indicator shows the total operation hours of the machine; its value can be used as references of inspection and maintenance.
  • Page 62
    Operation & Maintenance Manual──LG936 Wheel Loader Fuel level Gauge This gauge shows the fuel capacity in fuel tank. Speed Gauge (if assembled) This gauge shows the speed during machine driving. Indicator Lamp General Indicator lamp of gauge panel: Pre-heat Indicator Lamp: The lamp will be on if start switch is turned to preheat position when machine equipped with cold boot equipment;…
  • Page 63
    Operation & Maintenance Manual──LG936 Wheel Loader cut off, lamp is on; step on right brake pedal, power is not cut off, lamp is off. Emergency Turn Indicator Lamp: If the emergency turn indicator lamp is assembled, if the emergency pump works, the lam will be on if the machine turn in emergency.
  • Page 64
    Operation & Maintenance Manual──LG936 Wheel Loader Radio and CD Player (selectable) Radio and CD player This switch is at the right side of cab top, details please see “ Assembly & Operation Manual ”. The machine without radio reserves the connection for radio, please let electrical professional of auto or engineering machine to assemble the radio according to electric theory figure.
  • Page 65
    Operation & Maintenance Manual──LG936 Wheel Loader Forward (Backward) Lamp Switch: Press bottom side, the forward (backward) lamp of cab will be on; press top side, the lamp is off. Back Light Lamp Switch(if assembled): Press bottom side, the back light, front and rear outline-showing lamp will be on; press top side, the lamp will be off.
  • Page 66
    Operation & Maintenance Manual──LG936 Wheel Loader Rear Head Lamp Switch: Press bottom side, low beam of the rear headlight of engine cover will be on; Press top side, the high beam of the rear headlight of engine cover will be on.
  • Page 67
    Operation & Maintenance Manual──LG936 Wheel Loader 1.2.3 Steering Wheel 1.1 General View of Controls and The steering wheel is at the operator cab, see “ Gauges Figure 3-1 ” in this chapter. Steering wheel and Steering unit are connected. When the machine work fine, turn the steering wheel clockwise, the machine turn right;…
  • Page 68
    Operation & Maintenance Manual──LG936 Wheel Loader Neutral is used for maintaining at a certain position. Lower is used for lowering. Float is used for moving freely under applied force. NOTICE : Never put down the lift arm at Float position.
  • Page 69
    Operation & Maintenance Manual──LG936 Wheel Loader Auto Lock Function: When the loader plough ground or strickle the ground, put the lever at Float position, the control lever will be locked by electromagnetism to realize automatic lock; put the lever at Float position, the lever will automatically return to Neutral position, which will improve the working efficiency.
  • Page 70
    Operation & Maintenance Manual──LG936 Wheel Loader 1.2.5 Operator Cab Door Lock Bar Outside Cab Lock Bar: Open the left and right door to 180°, the orientation lock on the door will touch the outside lock of cab and the door will be locked outside the cab.
  • Page 71
    Operation & Maintenance Manual──LG936 Wheel Loader 1.2.8 Fuse LG936Fuse used for Diesel engine (Domestic Type) YC6108G TD226B LG936 Fuse used for Diesel engine Export Type TD226B （ ） LG936 Fuse used for CUMMINS Diesel engine 6BT5.9 △ NOTICE Always be sure to close the startup switch before replacing a fuse .The fuse is used to protect wiring and cable from burning out.
  • Page 72
    Operation & Maintenance Manual──LG936 Wheel Loader 1. Work Indication Lamp; 2.Wind and Power Switch; 3. Temperature Adjust Switch Operation Method a) Cooling Start the engine. Turn on the wind and power switch 2. This switch has three wind speed (low speed wind,…
  • Page 73
    Operation & Maintenance Manual──LG936 Wheel Loader cooling temperature control switch to warm during winter. Clean the condenser frequently, use compressive air or cool water to wash. NEVER use hot water or steam to clean. Use the condenser once per week during winter even the cool wind is not used for 1 minute to keep the air condition work fine.

  • Page 74: Adjust Of New Machine

    Operation & Maintenance Manual──LG936 Wheel Loader moving up if it hits the block position and you will hear the sound like “Ka Ta”, and then release your hand, the seat will be locked at this position. If the seat is at the upper most position, pull the seat hard upward once and then push it down, the seat will go down to the lower most position.

  • Page 75
    Operation & Maintenance Manual──LG936 Wheel Loader Never start, turn or brake suddenly except emergency. Idle running of the machine without Loading: the gearshift should be used from low speed to high speed accordingly. Turn left, right or brake during steadily during running.

  • Page 76: Operation And Usage Of Loader

    Operation & Maintenance Manual──LG936 Wheel Loader 3 OPERATION AND USAGE OF LOADER 3.1 Notices for Usage 1. The diesel must be deposit more than 72 hours before using, the trademark should fit for the rules. 2. Transmission oil for gearbox, torque converter and the hydraulic oil for hydraulic system must be clean.

  • Page 77
    Operation & Maintenance Manual──LG936 Wheel Loader leak of coolant and broken of parts. Check the status of accessories and hydraulic parts. Check before Starting: 3.6.2 Adding Fuel to Fuel Tank 1) Check the fuel of fuel tank, see “ ” in this chapter.

  • Page 78: Running

    Operation & Maintenance Manual──LG936 Wheel Loader and then turn to the START position. Then release the starting key, it will go back to ON position automatically. The starting time is not more than 5~10 second, (the starting engine should not work continuously for 15 seconds).

  • Page 79
    Operation & Maintenance Manual──LG936 Wheel Loader Release brake pedal, push the accelerograph pedal slowly to drive forward or backward. It is safe to drive only when the brake pressure is over specific value (0.45MPa) Never lift the bucket to the up most position to transport material.

  • Page 80: Stopping

    Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING Never turn suddenly or turn on the slope at high speed. The machine can not turn if the engine stops 3.3.4 Braking Never put your foot on the brake pedal unless necessary.

  • Page 81
    Operation & Maintenance Manual──LG936 Wheel Loader Stop the machine at plane ground where there should not be danger of stone falls, coast or flood. If it is necessary to stop the machine on slope, wedge the tire to prevent movement.

  • Page 82: Working

    Operation & Maintenance Manual──LG936 Wheel Loader Check the brake oil of oil bowl of brake booster pump. Drain the water in air tank from water outlet valve. Clean the outlook of machine and the clay and sundries in bucket. 3.5 Working 3.5.1 Prepare to Work…

  • Page 83
    Operation & Maintenance Manual──LG936 Wheel Loader Digging Piled Soil or Blasted Rock When digging piled soil or blasted rock, the loader should face the material and do as follows: If it is needed to lower the bucket while driving the machine forward, stop the machine when the bucket is about 30cm away from the ground, and then lower it slowly.
  • Page 84
    Operation & Maintenance Manual──LG936 Wheel Loader front tires will deviate from the ground and skip. If there is too much material loaded into the bucket, it’s needed to dump and title the bucket quickly to remove the excessive load so as to prevent the material from dispersing during the transportation.
  • Page 85
    Operation & Maintenance Manual──LG936 Wheel Loader The conveying distance is within 500 meter, it is not economical to use camion. The conveying driving speed is determined according to the road condition. In order to get good visibility and stability, the bucket should turn to its limit (bucket lift-ram touch the upper limited block) and keep the pin connection point of lift-arm at transportation position (400~500mm above the ground).
  • Page 86
    Operation & Maintenance Manual──LG936 Wheel Loader (6) Strickling Operation Tilt the bucket to the bottom to let the blade touch the ground. For hard ground, let the working equipment control lever at the float position; for soft ground, let the lift arm control lever at the neutral position.
  • Page 87
    Operation & Maintenance Manual──LG936 Wheel Loader When towing the machine down the slope, use one machine with enough traction power and braking power and use another one to pull at the back side to prevent the machine towed losing control or turning over.

  • Page 88: Oil And Fuel Supplying

    Operation & Maintenance Manual──LG936 Wheel Loader 3. Please use anti-high and cold storage battery in high and cold place. Attentions after work everyday: In order to prevent the materials frozen on the machine which may affect working the next day, please do as the followings: 1.

  • Page 89
    Operation & Maintenance Manual──LG936 Wheel Loader check the oil level (repeat twice at least). YC6108G Engine: If the oil level is below scale “L”, it needs to add some mobile oil from oil inlet. The oil is proper, if the oil level is between scale “H” and “L” of dipstick.
  • Page 90
    Operation & Maintenance Manual──LG936 Wheel Loader Put the dipstick back, and close side door at right side of engine cover. Mobile oil select please CHAPTER IV 2.2 Oil Selection see “ ”, the followings are the same. ② Mobile Oil Replacing Park the machine on plane ground, put the speed control lever at neutral position, push the parking brake switch, put blocks at front and back of tire.
  • Page 91
    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant “ ”. 3.6.3 Adding Oil to Gearbox ① Oil Level Checking Park the machine on plane ground, put the speed control lever at neutral position, push the parking brake switch, put blocks at front and back of tire.
  • Page 92
    Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING If the temperature of gearbox oil is relatively high please wear protective clothes, and operate carefully to prevent self hurt. Release all the oil, clean the scrap iron on oil releasing plug and the oil dirt on gearbox. Bind new raw material belt on plug and assemble it back.
  • Page 93
    Operation & Maintenance Manual──LG936 Wheel Loader Oil, Fuel and Coolant ”. The followings are the same. ② Oil Replacing Park the machine on plane ground, run the engine 10 minutes, use small accelerograph to move the machine slowly to let the oil drain plug of front axle at wheel side at the lowest position Shut engine, put the speed control lever at neutral position, push the parking brake switch, wedge the front and rear wheels.
  • Page 94
    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant Selection of oil please see “ ”. The followings are the same. ② Oil Replacing △ WARNING If it needs any operation during replacing oil, please do as the relative rules, and pay attention to safety.

  • Page 95: Long-Time Storage

    Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING The temperature of hydraulic oil may be high please wear protective clothes, and operate carefully to prevent self hurt. Disassemble the flange cover of oil box, clean the inner part and the oil inlet port and oil recycle elements, if the elements are broken please replace with new one.

  • Page 96
    Operation & Maintenance Manual──LG936 Wheel Loader 3.7.2 During Storage △ WARNING Open doors and windows to keep ventilation and exhaust poisonous gas if the antirust is used in the house. Start the machine once a month so that lubricant can be coated over the surface of movable parts and other components surfaces, storage battery can be charged at the same time.

  • Page 97: General Problems And Eliminating

    Operation & Maintenance Manual──LG936 Wheel Loader 3.8 General Problems and Eliminating 3.8.1 Electrical System Problems Possible Causes Remedy Faulty cable ( contact 1. Check, repair loose terminals Lamp is not bright when the engine problem or open and disconnection runs at high speed.

  • Page 98
    Operation & Maintenance Manual──LG936 Wheel Loader 3.8.2 Transmission System Problems Possible Causes Remedy Over low oil level in gearbox oil sump Add oil to the specified level Oil leakage in the main oil lines Check the main oil lines clogged oil filter of gearbox…
  • Page 99
    Operation & Maintenance Manual──LG936 Wheel Loader 3.8.3 Brake System Problems Possible Causes Remedy Change rectangular sealing ring of pump Oil leakage of pliers pump Bleed the air out Air in brake hydraulic lines Check the sealing performance of Insufficient Low brake air pressure…
  • Page 100
    Operation & Maintenance Manual──LG936 Wheel Loader 3.8.4 Hydraulic System of Work Equipment Problems Possible Causes Remedy Over worn or damaged cylinders Change the oil seals of cylinder Over worn multi passage valve, Change the distribution valve excessive clearance between valve…
  • Page 101
    Operation & Maintenance Manual──LG936 Wheel Loader 3.8.5 Steering System Problems Possible Causes Remedy Insufficient oil supply for working pump Check oil pump and steering pump Discharge air from system and Air in steering system check the suction lines Faulty of steel-ball in check valve body of Check the valve.

  • Page 102: Chapter Ⅳ Maintenance

    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER MAINTENANCE Ⅳ 1. GUIDES OF MAINTENANCE Read following information before carrying out maintenance and inspection. 1.1 Precautions before Maintenance and Inspection Perform maintenance on the hard and level ground. Lower the work equipment near the ground and level the bucket.

  • Page 103: Check Oil And Filters

    Operation & Maintenance Manual──LG936 Wheel Loader before draining it. 1.8 Check Oil and Filters After the oil is changed or filters are replaced, check the oil and filters. If large amounts of metallic particles or foreign materials are found, consult the maintenance people.

  • Page 104: Dusty Worksite

    Operation & Maintenance Manual──LG936 Wheel Loader 1.17 Dusty Worksite Do as follow when working at dusty worksite: Inspect and clean air filter frequently to avoid blocking up. Clean the radiator frequently to avoid blocking up. Clean and replace fuel filter at short intervals.

  • Page 105
    Operation & Maintenance Manual──LG936 Wheel Loader Always fill the fuel tank after finishing operation to prevent the moisture in the air from condensing and forming water inside the fuel tank. If engine fails to suck fuel or the filters have been replaced just, bleed the air in the circuit.

  • Page 106: Selection Of Fuel, Coolant And Lubricant

    Operation & Maintenance Manual──LG936 Wheel Loader long-term storage. 2.1.5 Filters Filters are extremely important safety components. They can prevent impurities in the fuel from entering important equipment causing problems. Replace all filters periodically. Replace filters at shorter intervals when working in the severely bad conditions.

  • Page 107
    Operation & Maintenance Manual──LG936 Wheel Loader 2.2.2 Reference Table of Foreign and Domestic Oils Engine oil Similar Oil Brands (classified by SAE standard) Oil Brands MOBIL SHELL CALTEX ESSO RotellaSX 40； Diesel Machine Oil HEIBAWANG1300 Essolube XT-3; Excelled CD and CD 15W-40 （SAE15W-40）…
  • Page 108
    Operation & Maintenance Manual──LG936 Wheel Loader Gear oil (Axle oil) Similar Oil Brands (classified by SAE standard, GL-5) Chinese Brands CALTEX FUCHS MOBIL ESSO SHELL Mobil Gear oil Heavy duty gear HD80W-90 Spirax EP oil for （-20～40℃） ； Caltex Thuban…

  • Page 109: The Sketch Of Lubricating Points

    Operation & Maintenance Manual──LG936 Wheel Loader 2.3 The Sketch of Lubricating Points 2.4 Outline of Electric System Maintenance If the wire gets wet or the insulation is damaged, electric leakage may occur and result in hazardous accident. Maintenance of components related to the electric system.

  • Page 110: Tightening Torque Of Threads

    Operation & Maintenance Manual──LG936 Wheel Loader 2.6 Tightening Torque of Threads Be sure to carry out the maintenance following the table lists which is the standard tightening torque of threads in the main components, except for specified conditions. Material Position Thread size Torque(N.m)

  • Page 111: Every 10 Hours (Days) Service

    Operation & Maintenance Manual──LG936 Wheel Loader 3.1 Every 10 Hours (Days) Service Check the sealing performance of work equipment systems such as hydraulic, steering and brake system. Check the flexibility and reliability of brake. Check whether the electric circuit is correct and electric components are normal.

  • Page 112: Every 500 Hours (Season) Service

    Operation & Maintenance Manual──LG936 Wheel Loader of rear tires is 0.275～0.294MPa. Open the water drain valve in the air tank to drain the water. In addition, do the extra maintenance in the first 250 hours as follow: Check and clean the air vent of gearbox. Clean the oil pan of gearbox. Replace the suction filter cartridge in the oil pan of gearbox.

  • Page 113: Every 2000 Hours (Year) Service

    Operation & Maintenance Manual──LG936 Wheel Loader Check the clearance and wear condition between pins and bushes in every articulated point. 3.6 Every 2000 Hours (Year) Service Carry out the periodic maintenance of every 10, 50, 250, 500 and 1000 hours with this maintenance operation at the same time.

  • Page 114: Chapter V The Structure And Priciple Of Main Components And System

    Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS AND SYSTEM 1 Transmission System The transmission system includes hydraulic torque converter, gear box, transmission axle, front and rear driving axle, wheel and so on. The transmission system theory is shown in the Figure 5-1.

  • Page 115
    Operation & Maintenance Manual──LG936 Wheel Loader valve includes dump section and lift section. The dump section has 3 positions including dumping, median and taking bucket back, and the lift section has 4 positions including floating, lowering, median and lifting to control the operation of the work equipment.

  • Page 116: Brake System

    Operation & Maintenance Manual──LG936 Wheel Loader 1.Fork cylinder 2. Multiway valve 3. Steering cylinder 4. Steering machine 5. Priority valve 6. Steering gearshift Twin pump 7. Hydraulic tank 8. Working pump 9. Oil recycle filter 10.Bucket cylinder 11. Life arm cylinder…

  • Page 117: Driving Brake System (Single Brake Pedal Braking)

    Operation & Maintenance Manual──LG936 Wheel Loader 1.Air booster pump 2.Shuttle valve 3.Air brake valve 4.Air reservoir 5.Combination valve of oil water Separator 6. Air compressor 7.Braking electromagnetic valve 8.Parking brake air room Figure 5-5 Double Brake Pedal Braking System Theory 3.1 Driving Brake System (…

  • Page 118: Emergency And Parking Brake System

    Operation & Maintenance Manual──LG936 Wheel Loader stepped, but the power of gearbox is not cut off. Release the brake pedal, the compressed air of booster pump bleeds from brake valve to atmosphere and the brake state is terminated. 3.2 Emergency and Parking Brake System This system employs the electronic control air driving caliper disk brake type brake system and the electronic control air driving inner expand hoof type brake system.

  • Page 119: Electric System

    Operation & Maintenance Manual──LG936 Wheel Loader 1. Steering cylinder 2.Steering unit 3.Priority valve 4.hydraulic oil radiator 5.Steering pump 6.Oil recycle filter 7. Hydraulic oil tank Figure 5-6 Steering System Theory 5 Electric System Electric system is composed of storage battery, starting motor, charge generator, appliance, switch, lamps and other electric instruments.

  • Page 120
    Figure5-7 Electric System Theory Using YC6108G and TD226B Engine (Machinery Control) — 110 -…
  • Page 121
    Figure5-8 Electric System Theory Using Weifang TD226B Engine(Pilot Control、Combined Switch)
  • Page 122
    Figure5-9 Electric System Theory Using Dongfeng CUMMINS Engine(Pilot Control、 Combined Switch) 6BT5.9…

Источник

Detail Specifications:

1677/1677329-sdlg_lg936l.pdf file (10 Oct 2022)

Accompanying Data:

Volvo SDLG LG936L Compact Loader PDF Operation & Maintenance Manual (Updated: Monday 10th of October 2022 11:28:24 PM)

Rating: 4.7 (rated by 90 users)

Compatible devices: L45H 2016, MC60, Amrel PLA Series, AS 210, 3545, L20B, P25.6, Turboloader S322.

Recommended Documentation:

Text Version of Operation & Maintenance Manual

(Ocr-Read Summary of Contents, UPD: 10 October 2022)

Recommended Instructions:

HD CENTER, GTS18XCS, EWAQ016BAW, ImagePro 8800, 7406

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