7.9.3 Fuel prefilter – Draining
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.
Draining fuel prefilter
1. Switch off filter which is to be drained (A or
B):
1 Filter A switched off
2 Filter B switched off
2. Open threaded vent plug (1) of the filter to
be drained.
3. Open drain valve (2).
4. Drain water and contaminants from the fil-
ter until pure fuel emerges.
5. Close drain valve (2).
86 | Task Description | MS150119/00E 2014-08
TIM-ID: 0000045553 - 002
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