TM 55-1520-240-T
7-2.4 UTILITY HYDRAULIC SYSTEM OPERATIONAL CHECK (Continued)
7-2.4
TASK
RESULT
19.
Set POWER XFR NO. 1 and POWER XFR NO. 2
NO. 1 and NO 2 HYD FLT CONTR (Without 74 ) HYD 1
switches (15 and 16) to OFF.
and HYD 2 (With 74) capsules (18 and 19) shall come
on. If one capsule does not come on, replace associated
PWR XFR switch (15 and 16).
20.
Hold pressure line (23) to brake on winch (24). Push in Pressure surge should not be felt on pressure line (23). If
pushbutton (25) on shutoff valve (26).
surge felt, go to Task 7-2.20.
21.
Release pushbutton (25).
Pushbutton (25) should come out. If it does not, replace
shutoff valve (26).
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Electrical power off.
Battery disconnected.
Install heater compartment acoustic blanket.
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7-80.2 Change 17
