INSTALL SUCTION FEED CHECK VALVE
Dry cleaning solvent (E162) is
flammable and toxic. It can irritate
skin and cause burns. Use only in
well-ventilated area, away from heat
and open flame. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
Remove barrier material and tape from main fuel
tank (5). Remove tape residue from tank. Use
dry cleaning solvent (E162) and cloths (E120).
Wear goggles to protect eyes. Wear gloves
Do not puncture or scratch lining
of fuel tank. If lining is broken, fuel
penetrates and activates self-sealing
layers. Activated layers swell and trap
fuel. Activated green spongy material
also contaminates fuel system. This
makes it necessary to replace fuel
tank and flush fuel system.
Position check valve (4), bellmouth tube (2),
clamp (1), and bonding jumper (6) as a unit.
Connect tube (7) to check valve (4).
Position spacer (8) and clamp (1). Install bolt (9),
washer (10), and nut (11).
Remove bolt (12) and washer (13) from mounting
Position bonding jumper (6). Install washer (13)
and bolt (12).
Perform vent system pressure test (Task 10-117).
Install main fuel tank aft access door (Task 10-54).
Test main fuel tank (Task 10-22).
Perform vent system flow test (Task 10-118).
Perform test of pressure refueling system (Task
10-119) and fuel feed system (Task 10-120).
Refuel helicopter (Task 1-51).
Bleed fuel system (Task 10-121).
Perform operational check of fuel system (TM
Inspect for leaks (Task 10-4).
Close and latch aft intertank pod panel (Task 2-188).
END OF TASK