TM 55-1520-240-23-8
10-83
REMOVE AFT FUEL TANK VENT VALVE
10-83
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Barrier Material (E80)
Tape (E388)
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Helicopter Grounded (Task 1-29)
Aft Tank Defueled (Task 10-34 or 10-35)
Left Aft Access Door Raised And Latched Or Right Aft
Access Panel Lowered, As Required (Task 2-185)
Fuel Tank Purged (Task 10-2)
General Safety Instructions:
All regulations and instructions
for handling fuels shall be strictly
observed.
NOTE
Procedure is same to remove vent
valve from No. 1 or No. 2 aft auxiliary
fuel tank. Removal of No. 2 (right)
vent valve is shown here.
1.
Disconnect vent hose (1) from fitting (2).
2.
Remove 30 bolts (3) and washers (4).
3.
Pullout door (5) and gasket (6) and disconnect
vent hose (7). Remove door and gasket.
10-392
