Fuel System; Fuel System - Venting - MTU 12 V 4000 G73 Operating Instructions Manual

7.7 Fuel System

7.7.1 Fuel system – Venting
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Diesel fuel
WARNING
Fuels are combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Venting LP fuel system
1. Open vent plug (1).
2. Unlock fuel priming pump (2), screw out
handle by turning it counterclockwise.
3. Operate the pump with the handle (2) until
bubble-free fuel emerges from the vent
plug (1).
4. Close vent plug (1).
5. Screw in handle by turning it clockwise.
6. Verify that fuel priming pump (2) is locked:
Handle must be tightened.
MS150029/02E 2013-03 | Task Description | 105
Part No. Qty.