TM 9-2320-366-34-1
CONTROL VALVE FLOW AND PRESSURE TEST
(1) Place drain pan under vehicle.
(2) Disconnect hose from port A of boom lift
cylinder.
(3) Connect hydraulic tester between hose and
port A with test hoses and adapters.
(4) Start engine (TM 9-2320-366-10-1).
(5) Position PTO switch to on (TM
9-2320-366-10-1).
(6) Increase engine rpm to 1250-1450 rpm (TM
9-2320-366-10-1).
(7) Position MHC main power switch to ON
(TM 9-2320-366-10-1).
(8) Operate boom up (TM 9-2320-366-10-1),
perform flow test, and note flow reading.
(9) Operate boom up (TM 9-2320-366-10-1),
perform pressure test, and note pressure
reading.
(10) Position MHC main power switch to OFF
(TM 9-2320-366-10-1).
(11) Position PTO switch to off (TM
9-2320-366-10-1).
(12) Shut down engine (TM 9-2320-366-10-1).
(13) Disconnect test hose and hydraulic tester from
port A of boom lift cylinder.
(Continued on next page)
WARNING
Wear approved eye protection when performing
pressure checks. Failure to comply may result
in oil getting into eyes. If oil contacts eyes, seek
medical attention immediately.
Drop hydraulic pressure to zero before
disconnecting any hydraulic hose, tube, or fitting.
Failure to comply may result in injury to personnel.
Fuel and oil are slippery and can cause falls.
Wipe up spilled fuel or oil with rags. Failure
to comply may result in injury to personnel.
NOTE
Tag hydraulic hoses, tubes, and fittings
prior to disconnecting.
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