TM 55-1520-240-23-6
7-147.1
REMOVE AIR CHARGING VALVE AND PRESSURE GAGE FROM APU START
ACCUMULATOR
7-147.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
None
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Utility Hydraulic System Depressurized (Task 7-135.1)
APU Start Accumulator Air Charge Depressurized
(Task 1-64)
Right Aft Transmission Access Door Open (Task 2-2)
Cargo Ramp Open and Level (TM 55-1520-240-T)
High pressure air trapped under valve
cap can be a hazard. If cap is not
removed slowly, air can pop it off and
cause injury.
1.
Loosen cap (1) on charging valve (2) one or two
turns. Allow any trapped air to escape. Remove
cap.
7-652