FLUSHING AIRFRAME FUEL SYSTEM
Follow instructions of Task 10-9, Fuel Cell
Precautionary Criteria, General Information.
Inspect interior of fuel cells (1) for dirt or
Wipe out any dirt or other contaminants. Clean
the interior of cells (1). Use clean cloth (E135)
damp with 50-50 solution of vinegar (E436) and
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.
Clean boost pump screens (2) by sloshing. Use
2 gallon container and dry cleaning solvent
(E162). Wear gloves (E186).
Remove any remaining contaminants from
screens (2) with compressed air.
Perform vent system pressure test (Task 10-117).
Install eight fuel boost pumps (Tasks 10-52,
10-54, 10-70 and 10-80).
Perform vent system flow test (Task 10-118),
pressure refueling system test (Task 10-119),
and fuel feed system test (Task 10-120).
Refuel helicopter (Task 1-51).