(1) Disconnect hose P from 90° fitting at input
port P of valve manifold.
(2) Install swivel tee fitting on 90 degree
fitting at input port P of valve manifold.
(3) Connect hose P to swivel tee fitting.
(4) Connect reducer, hose, and STE/ICE adaptor
to swivel tee fitting.
(5) Start engine (TM 9-2320-366-10-1).
(6) Position PTO switch to on (TM 9-2320-
366-10-1).
(7) Set engine speed to 1250-1450 RPM (TM-9-
2320-10-1).
(8) Perform SET/ICE-R Test #51 (TM 9-4910-571
-12&P)
(9) Position Dump Body UP/DOWN switch to
down, while assistant checks reading on
STE/ICE-R.
(10) If pressure is less than 2500 PSI, replace
winch control valve TM 9-2320-366-20-4
(para 17-25).
Change 1 2-1072.9
TM 9-2320-366-34-1
PRESSURE TEST