7.7 Fuel System
7.7.1 Fuel system – Venting
Preconditions
☑ Engine is stopped and starting disabled.
WARNING
Fuels are combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Venting fuel system
1. Unlock fuel priming pump, unscrew handle.
2. Open vent plugs on filter head.
Note: New version has two threaded vent plugs,
old version has four threaded vent plugs.
3. Operate the pump with the handle until fuel
without bubbles comes out of the vent plugs
and the nipples.
4. Close vent plugs on filter head.
5. Operate the pump with the handle until fuel
without bubbles comes out of the nipple.
6. Lock fuel priming pump, screw in handle.
82 | Task Description | MS150062/01E 2012-01
TIM-ID: 0000004716 - 002
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