TM 55-1520-240-23-1
1-63
SERVICE FLIGHT CONTROL SYSTEM ACCUMULATOR
1-63
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Source of High-Pressure Compressed Air or
Nitrogen, With 0-3000 PSI Air Gauge and Pressure
Regulator
Torque Wrench, 30-150 Inch-Pounds
Materials:
None
Personnel Required:
CH-47 Helicopter Repairer
Inspector
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Right Forward Work Platform Open (Task 2-2)
Pylon Right Access Door Open (Task 2-2)
NOTE
There are two accumulators, one
in No. 1 and one in No. 2 module.
Procedure is same for servicing or
depressurizing either accumulator.
1.
Measure and record outside air temperature.
Use fat gauge (1) in cockpit.
2.
Deleted.
1-242
Change 3