TM 9-2350-261-20-1
1. Remove engine fuel supply line (1) from bulkhead
fitting (2).
2. Manually depress plunger on bulkhead fitting (2)
quick disconnect coupling.
3. Does fuel flow from coupling?
YES
1. Inspect fuel lines between bulkhead fitting and pri-
mary filter.
2. Inspect fuel lines between primary filter and fuel
pump.
3. Inspect fuel lines between fuel pump and secondary
4. Inspect fuel lines between secondary filter and
engine.
5. Are all lines free of kinks and other damage?
1. Replace fuel pump (page 6-121).
2. Verify no faults found.
3-32
f i l t e r.
1. Replace engine fuel line(s)
as required (Chapter 6).
2. Verify no fualts found.