Webasto dbw 300 руководство по ремонту

Brand: Webasto
|
Category: Water Heater
|
Size: 4.21 MB

• Table of Contents

  3

• 1 Introduction

  7

  • Scope and Purpose

    7

  • Applicability of Manual

    7

  • Meaning of Warnings, Cautions and Notes

    7

  • Additional Documentation to be Used

    7

  • Safety Information and Regulations

    7

    • General Safety Notes

      7

  • Legal Provisions for Installation

    8

  • Corrections and Improvements

    8

• 2 General Description

  9

  • Parts of the Heater

    12

    • Electronic Control Unit (1)

      12

    • Overheat Fuse (15)

      12

    • Temperature Limiter (17)

      12

    • Temperature Control Thermostat (16)

      12

    • Flame Detector (23)

      13

    • Combustion Air Intake (26)

      13

    • Combustion Air Fan (5) and Motor (2)

      14

    • Coupling (4)

      15

    • Toothed Gearing (6)

      15

    • Fuel Pump (24)

      15

    • Fuel Control Valve and Solenoid (8)

      15

    • Fuel Nozzle and Nozzle Holder (14)

      16

    • Fuel Line Connections (25)

      16

    • Electronic Ignition Unit (3)

      16

    • Ignition Electrodes (13)

      16

    • Combustion Chamber (20), Combustion Air Swirler (21)

      17

    • Heat Exchanger (19)

      17

    • Preheat Thermostat (7)

      17

    • Pre-Heater Cartridge (10)

      17

    • Coolant Circulating Pump

      18

• 3 Functional Description

  19

  • Switch on

    19

  • Heating Operation

    19

  • Switch off

    19

• 4 Technical Data

  20

  • Technical Data of the Heaters

    21

  • Technical Data of the Circulating Pumps

    22

  • Permissible Extension of the Connections

    22

• 5 Troubleshooting

  23

  • Quick Check Troubleshooting Matrix

    23

  • Tester Instructions (Tester P/N 1302691A)

    23

    • Test Procedures

      23

  • Instructions for Fault Finding

    26

    • Combustion Starts Immediately When Heater Is Switched on

      26

    • Heater Does Not Start When Switched on

      26

    • After Switching ON, the Heater Switches off after Approx. 30 Seconds on Fault

      27

    • Heater Starts Only after Several Starting Attempts

      28

    • Heater Switches off by Itself During Operation

      28

    • Heater Smokes

      30

    • Heater Cannot be Switched off

      30

• 6 Functional Adjustments

  31

  • General

    31

  • Adjustments

    31

    • Adjustment of CO2 Contents

      31

    • Flame Detector Resistance Check

      32

    • Ignition Electrode Check and Setting

      32

    • Ignition Coil Check

      33

    • Fuel Pump Check

      33

    • Fuel Solenoid Valve Check

      34

    • Nozzle Block Pre-Heater Check

      34

• 7 Circuit Diagrams

  35

  • DBW 2010 12 V and 24 V — Early Canadian Version

    35

  • DBW 2010 12 V and 24 V — Present North American Version

    36

  • Dbw 2020 / 300 12 Vand 24 V — Without Nozzle Preheat

    37

  • Dbw 2020 / 300 12 Vand 24 V — with Nozzle Preheat

    38

  • Scholastic Heater 12 V — with On/Off Switch

    39

  • Scholastic Heater 12 V — with 7-Day Timer Model 1529

    40

  • Scholastic Heater 12 V — with 7-Day Timer Model 1531

    41

  • Control Unit — Identification of Terminals

    42

• 8 Servicing

  43

  • General

    43

  • Heater Servicing

    43

  • Vehicle Servicing

    43

  • Heater Test Run

    43

  • Maintenance

    43

    • Burner Head Opening and Closing

      43

  • Visual Inspections and Regulations for Installation

    45

    • Connection to Vehicle Cooling System

      45

    • Connection to Vehicle Fuel System

      45

      • Fuel Lines

        45

      • Fuel Filter

        45

    • Combustion Air Supply

      45

    • Exhaust Line

      46

  • Removal and Installation

    46

    • Heater, Removal and Installation

      46

      • Removal

        46

      • Installation

        46

    • Temperature Limiter, Replacement

      47

    • Temperature Thermostat, Replacement

      47

    • Overheat Fuse, Replacement

      47

    • Burner Head, Replacement

      47

    • Ignition Coil, Replacement

      47

    • Flame Detector (Photo Eye), Replacement

      47

    • Combustion Chamber, Replacement

      47

  • First Operation

    47

    • Water Circuit, Bleeding

      47

    • Fuel Supply System, Bleeding

      48

• 9 Repair

  49

  • General Information

    49

    • Work on Components after Disassembly

      49

      • Visual Inspection, General

        49

      • Combustion Chamber, Visual Inspection

        49

      • Heat Exchanger, Visual Inspection

        49

      • Combustion Air Fan Wheel, Visual Inspection

        50

  • Disassembly and Assembly

    50

    • Overheat Fuse, Replacement

      50

      • Removal

        50

      • Installation

        50

    • Temperature Control Thermostat, Replacement

      50

    • Temperature Limiter, Replacement

      51

      • Removal

        51

      • Installation

        51

    • Control Unit, Replacement

      51

    • Burner, Replacement

      51

    • Fuel Valve and Solenoid, Replacement

      53

      • Removal

        53

      • Installation

        53

    • Fuel Pump, Replacement

      53

    • Fuel Nozzle, Replacement

      54

      • Removal

        54

      • Installation

        54

    • Flame Detector, Replacement

      54

    • Ignition Electrodes, Replacement

      55

      • Removal

        55

      • Installation

        55

    • Ignition Coil, Replacement

      55

    • Drive Motor, Replacement

      56

      • Removal

        56

      • Installation

        56

    • Combustion Air Fan, Replacement

      57

      • Removal

        57

      • Installation

        57

    • Fan Replacement

      58

    • Fan Shaft, Bearings and Gearing, Exploded View (DBW 2010)

      59

    • Fan Shaft, Bearings and Gearing, Exploded View (DBW 2020 / DBW 300)

      60

    • Combustion Chamber, Replacement

      61

      • Removal

        61

      • Installation

        61

    • Heat Exchanger, Replacement

      61

  • Coolant Circulating Pump Repair

    62

    • Removal

      62

    • Disassembling

      62

    • Assembling

      62

    • Installing

      62

  • MP School Bus Circulation Pump

    64

    • Removal

      64

    • Disassembling

      64

    • Assembling

      64

    • Installing

      64

• 10 Instruments and Tools

  65

  • Setting Gauge

    65

  • Tester

    65

  • CO2 Test Apparatus

    65

  • Smoke Number Test Apparatus

    65

  • Nozzle Wrench

    66

  • Fuel Pressure Gauge

    66

  • Grease and Locking Varnish

    66

• 11 Product Information

  67

  • ISS «White» Timer for the Scholastic Heater

    67

Brand: Webasto
|
Category: Heater
|
Size: 9.95 MB

• Index

  2

• Technical Data

  3

• Permissible Extension of the Connections

  3

• General Description

  4

• Description of Operation

  6

• Parts of the Heater

  6

• Electronic Control Unit

  6

• Motor

  6

• Combustion Air Intake — Regulation

  7

• Clutch

  7

• Combustion Air Fan

  7

• Toothed Gearing/Fuel Pump/Solenoid Valve

  7

• Fuel Nozzle (Nozzle Holder)

  8

• Ignition Electrodes/Flame Detector

  8

• Fuel Line of the Heater/Combustion Chamber, Combustion Air Swirler

  8

• Heat Exchanger

  8

• Electronic Ignition Unit

  9

• Overheat Fuse, Temperature Limiter

  9

• Control Thermostat/Pre-Heat Thermostat

  9

• Pre-Heater/Coolant Circulating Pumps

  9

• Electrical Schematics

  10

• Identification of Terminals of Control Unit

  13

• Troubleshooting

  14

• Tester Instructions

  14

• Test Procedures

  14

• Component Test Procedures

  15

• Manual Test Run of Heater

  15

• Instruction for Fault Finding

  16

• Combustion Starts Immediately When Heater Is Switched on

  16

• Heater Does Not Start When Switched on

  16

• After Switching on Heater Switches Repeatedly after 30 Sec on Fault

  17

• Heater Starts Only after Several Starting Attempts

  18

• Heater Switches off by Itself During Operation

  18

• Heater Smokes

  19

• Heater Cannot be Switched off

  20

• Repairing Instructions

  21

• Important Operating Tips

  21

• Bleeding the Cooling System

  21

• Removing the Burner Unit

  21

• Installing the Burner Unit

  22

• Replacing the Solenoid Valve

  22

• Replacing the Fuel Pump

  22

• Replacing the Nozzle

  23

• Checking or Replacing the Flame Detector

  24

• Adjusting or Replacing the Ignition Electrodes

  24

• Replacing the Electric Motor

  25

• Replacing the Ignition Unit

  25

• Replacing or Cleaning the Combustion Chamber

  26

• Replacing the Overheat Fuse

  26

• Replacing the Control Thermostat

  27

• Replacing the Temperature Limiter

  27

• Replacing the Pre-Heat Thermostat

  27

• Replacing the Control Unit

  28

• Checking and Adjusting the Fuel Pressure

  28

• Repairing of the Coolant Circulating Pump

  29

• Instruments and Tools

  31

Brand: Webasto
|
Category: Heater
|
Size: 0.58 MB

• Table of Contents

  2

• Important Information

  4

• General Safety Regulations and Information

  6

• Meaning of Warnings, Cautions and Notes

  6

• Description

  8

  • General Description

    8

  • Coolant Heater DBW 2010

    8

  • Coolant Heaters DBW 2020 / 300

    9

• Operating Instructions

  10

  • Operating Your Webasto DBW Series Heater

    10

  • Switching on

    11

  • Switching off

    13

  • Engine Preheating

    13

  • Operation with 7-Day Digital Timer

    14

  • Setting the Digital Timer (Models 1529 & 1531)

    16

  • 7-Day Digital Timer Programming and Operating Instructions (Models 1529 & 1531)

    17

  • Operation with 7-Day Electronic Timer Model CDN-1224

    19

  • Timer Operation Modes (Model CDN-1224)

    20

  • Dip Switch Programming (Model CDN-1224)

    21

  • Timer Operation (Model CDN-1224)

    26

  • Maintenance of the Heater

    28

• Basic Troubleshooting

  30

  • General Information

    30

  • Malfunctions

    31

  • Malfunction Identification — DBW Series Heaters

    32

  • Sequence of Events — DBW Series Heaters

    33

• Technical Data

  34

  • General Information

    34

  • Heater Data

    34

  • U 4810 and U 4846 Coolant Pump Data

    35

  • U 4814, U 4851 and U 4852 Coolant Pump Data

    36