Auxiliary heater, supplementary heater

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety precautions for working on vehicles with auxiliary/supplementary heater
  1
• 1.2 Safety measures when working on vehicles with a start/stop system
  2
• 1.3 Safety precautions when working on fuel system
  2
• 1.4 Safety precautions when working on the cooling system
  3
• 2 General information
  4
• 2.1 Starting conditions for auxiliary/supplementary heater
  4
• 2.2 Notes for vehicles with a start/stop system
  5
• 2.3 Rules for cleanliness when working on auxiliary heater and fuel system
  5
• 2.4 Type plates
  5
• 3 Repair instructions
  7
• 3.1 General repair instructions
  7
• Supplementary heating
  8
• 1 Overview of fitting locations – auxiliary/supplementary heater
  8
• 1.1 Overview of fitting locations – auxiliary/supplementary heater components
  8
• 2 Auxiliary/supplementary heater
  10
• 2.1 Overview of fitting locations – auxiliary/supplementary heater
  10
• 2.2 Assembly overview - auxiliary/supplementary heater attachments
  11
• 2.3 Assembly overview – auxiliary/supplementary heater, interior
  12
• 2.4 Removing and installing auxiliary/supplementary heater
  14
• 2.5 Dismantling and assembling auxiliary/supplementary heater
  18
• 2.6 Removing and installing air intake silencer
  20
• 2.7 Removing and installing recirculation pump V55
  21
• 2.8 Removing and installing exhaust system
  23
• 2.9 Removing and installing auxiliary/supplementary heater bracket
  24
• 2.10 Removing and installing covers for auxiliary heater control unit J364
  24
• 2.11 Removing and installing glow plug with flame monitoring Q8
  26
• 2.12 Removing and installing temperature sensor G18 and overheating sensor G189
  26
• 2.13 Pin assignment of auxiliary/supplementary heater
  28
• 2.14 Dismantling and assembling burner unit
  28
• 3 Coolant circuit with auxiliary/supplementary heater
  31
• 3.1 Connection diagram - coolant hoses
  31
• 3.2 Bleeding coolant circuit of auxiliary/supplementary heater
  33
• 3.3 Removing and installing coolant pipes for auxiliary heater
  34
• 4 Fuel supply
  39
• 4.1 Overview of fitting locations - fuel supply system
  39
• 4.2 Checking fuel delivery rate
  40
• 4.3 Removing and installing metering pump V54
  41
• 4.4 Checking metering pump V54 with end sealing valve
  43
• 4.5 Bleeding fuel line to metering pump V54 (filling with fuel)
  43
• 5 Regulation of auxiliary/supplementary heater
  45
• 6 Other controlling and regulating components
  46
• 6.1 Removing and installing ambient temperature sensor G17
  46
• 6.2 Removing and installing remote control receiver for auxiliary coolant heater R64
  46