Fuel supply system - Diesel engines

Chapter overview

• Technical data
  1
• 1 Engine data
  1
• 2 Safety precautions
  2
• 2.1 Safety precautions when working on fuel supply system
  2
• 3 General repair notes
  4
• 3.1 Rules for cleanliness
  4
• Fuel supply system
  5
• 1 Procedure when filling with incorrect fuel
  5
• 1.1 Step 1 (Engine was started with incorrect fuel)
  5
• 1.2 Step 2 (Engine was not started with incorrect fuel)
  5
• 1.3 Step 3 (There are metal particles in fuel delivery unit and fuel tank)
  6
• 1.4 Step 4 (There are no metal particles in fuel delivery unit and fuel tank)
  6
• 1.5 Step 5 (There are metal particles in high-pressure pump)
  7
• 1.6 Step 6 (There are no metal particles in high-pressure pump)
  7
• 2 Fuel tank
  8
• 2.1 Assembly overview - fuel tank
  8
• 2.2 Removing and installing fuel tank
  15
• 2.3 Emptying fuel tank
  16
• 3 Fuel delivery unit, fuel gauge sender
  19
• 3.1 Removing and installing fuel delivery unit, fuel gauge sender
  19
• 4 Push-on connectors
  25
• 4.1 Detaching push-on couplings
  25
• 5 Fuel cooler
  29
• 5.1 Removing and installing fuel cooler
  29
• 6 Fuel filter
  30
• 6.1 Assembly overview - fuel filter
  30
• 6.2 Removing and installing fuel filter
  33
• 6.3 Fuel hoses in engine compartment, engine code AJS
  34
• 7 Accelerator mechanism
  36
• 7.1 Assembly overview - accelerator module
  36
• 8 Fuel pump
  37
• 8.1 Checking fuel pump
  37
• 8.2 Removing and installing fuel pump
  54
• 8.3 Assembly overview - supplementary fuel pump V393 , engine codes CARA, CEXA, CEXB
  56