TM 1-1520-238-T-7
10–90
10–16. FUEL – IS CONTAMINATED
10–16
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Personnel Required:
67R
Attack Helicopter Repairer
References:
FM 10-68
TM 1-1520-238-23
1. Examine fuel sample.
Are metal or packing fragments visible in fuel
sample?
YES
Go to step 2.
NO
Take corrective action to
decontaminate fuel system
(FM 10-68).
2. Defuel helicopter and visually inspect fuel
system components for damage
(TM 1-1520-238-23).
Can contamination source be identified?
YES
Replace contamination source,
and decontaminate fuel system
(TM 1-1520-238-23).
NO
Flush fuel cells. Replace fuel
filters (TM 1-1520-238-23). To
isolate fault, go to paragraphs
10–17 and 10–47.
END OF TASK
