8.7 Fuel System
8.7.1 Fuel system – Venting
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Diesel fuel
WARNING
Fuels are combustible and explosive.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
• Wear protective clothing, protective gloves, and safety glasses / facial protection.
Venting LP fuel system
1. Loosen flushing/return line of HP pump at
connection (1).
2. Unlock fuel priming pump (2), screw out han-
dle.
3. Operate the fuel priming pump (2) with the
handle until bubble-free fuel comes out of the
connection (1).
4. Lock fuel priming pump (2), screw in handle.
5. Verify that fuel priming pump (2) is locked:
handle must be tightened.
6. Tighten connection (1) of flushing/return
line.
M015565/03E 2016-02 | Fuel System | 91
TIM-ID: 0000004707 - 003
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