TM 55-1520-240-23-8
10-74
INSTALL FORWARD FUEL TANK VENT VALVE
(Continued)
10-74
6.
Perform vent system pressure test (Task 10-117).
7.
Position gasket (13) and door (14).
8.
Install 30 washers (15) and bolts (16). Torque
bolts (16) to 70 inch-pounds.
INSPECT
FOLLOW-ON MAINTENANCE:
Raise and install fuel tank (Task 10-26).
Test forward fuel tank (Task 10-27).
Perform vent system flow test (Task 10-118).
Perform test of pressure refueling system (Task
10-119).
Refuel helicopter (Task 1-51).
Bleed fuel system (Task 10-121).
Perform operational check of affected fuel system
(TM 55-1520-240-T).
Inspect for leaks (Task 10-4).
Install forward landing gear access panel (Task 2-181
or 2-179).
Tasks 10-75 and 10-76 deleted.
END OF TASK
10-363
