Auxiliary heater

Chapter overview

• Supplementary heating
  1
• 1 Auxiliary heater Thermo Top V
  1
• 1.1 Safety measures for working on vehicles with auxiliary heaters
  1
• 2 Notes on general repairs on vehicles with auxiliary heaters
  2
• 2.1 Starting conditions for auxiliary heating (preheater)
  2
• 2.2 Starting conditions for auxiliary heating
  2
• 3 Rules for cleanliness when working on the auxiliary heater and the fuel system
  3
• 4 Repairing auxiliary heater Thermo Top V
  4
• 4.1 Manufacturer's nameplate for Thermo Top V
  6
• 4.2 Removing and installing ambient temperature sensor G17
  8
• 4.3 Removing and installing exhaust system
  9
• 4.4 Removing and installing remote control receiver for auxiliary coolant heater R149
  9
• 5 Removing and installing auxiliary heater Thermo Top V
  11
• 5.1 Components of auxiliary heater Thermo Top V
  12
• 5.2 Removing and installing auxiliary heater Thermo Top V
  12
• 5.3 Dismantling and assembling supplementary heater
  17
• 5.4 Dismantling and assembling auxiliary heater Thermo Top V
  19
• 5.5 Inner components of auxiliary heater
  20
• 5.6 Removing and installing glow plug with flame monitoring Q8
  22
• 5.8 Removing and installing heater coolant shut-off valve N279 for vehicles with petrol engine
  23
• 5.9 Removing and installing heater coolant shut-off valve N279 for vehicles with diesel engine
  24
• 6 Connecting auxiliary heater Thermo Top V to coolant circuit
  26
• 6.12 Connection diagram for coolant hoses in vehicles with auxiliary heater, engine code BMM
  37
• 7 Fuel supply for auxiliary heater Thermo Top V
  41
• 7.1 Rules for cleanliness
  41
• 7.2 Fuel feed to Thermo Top V
  41
• 7.3 Removing and installing metering pump V54
  43
• 7.4 Testing quantity of fuel delivered
  44
• 8 Regulation of auxiliary heater Thermo Top V
  48
• 8.1 Functional description of auxiliary heater Thermo Top V
  48
• 8.2 Functional description of “large” remote control
  50
• 8.3 Functional description of “small” remote control
  52