TEST AFT FUEL TANK AFTER INSTALLATION
Battery Disconnected (Task 1-39)
Electrical Power Off
Helicopter Grounded (Task 1-29)
Fuel Tank Defueled on Affected Side (Task 10-34 or
Aft Intertank Pod Panel Lowered (Task 2-185)
Aft Pod Panel Removed (Task 2-185)
General Safety Instructions:
All regulations and instructions
for handling fuels shall be strictly
Procedure is same to test No. 1 or
No. 2 fuel system aft fuel tank. No. 1
aft tank is shown here.
Remove aft drain valve (1) and two packings (2
and 3). Install plug in port (4).
Do not allow nipple or fittings to turn
when disconnecting fuel lines from
forward or aft access panel of tank.
Otherwise, access panel fittings can
fall and cause fuel blockage.
Check that gate valve (5) is closed.
Hold breakaway fitting (6) with a strap wrench
and disconnect hoses (7 and 8). Remove conical
seals (7.1 and 8.1). Catch spilled fuel. Use
grounded container. Cap fitting and plug hoses.