TM 55-1520-240-23-6
7-135.1
DEPRESSURIZE UTILITY HYDRAULIC SYSTEM
(Continued)
7-135.1
1.
Turn EMERG UTIL PRESS valve handle (1) and
UTILITY RESERVOIR DEPRESSURIZE VALVE
handle (1.1) to OPEN.
2.
Press depressurizing valve (2) on APU start
module. Hold valve until sound of repressurizing
stops.
3.
Deleted.
4.
Check pressure gage (3). If indicated pressure
is less than 1800 psi, go to Follow-On
Maintenance. If not, repeat step 2.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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