TM 55-1520-240-23-1
1-68
SERVICE UTILITY SYSTEM RESERVOIR PRESSURIZATION
ACCUMULATOR
(Continued)
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12.
Shut off air source. Remove chuck (8).
13.
Torque nut (9) to 60 inch-pounds. Install
lockwire (E231).
14.
Install cap (6) on valve (7).
INSPECT
15.
Charge accumulators. Use hand pump (11).
Read pressure on APU start accumulator gage
(12). If temperature is above -25ºF (-32ºC),
charge accumulator to 3000 psi. If temperature
is below -25ºF (-32ºC) charge accumulator to
3350 psi or until pointer of accumulator gage
stops moving, whichever occurs first.
FOLLOW-ON MAINTENANCE:
Close pylon right access door (Task 2-2).
Check utility hydraulic reservoir level (Task 1-62).
END OF TASK
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