TM 9-2320-366-34-1
2-1015/(2-1016 Blank)
MONOBLOCK VALVE ASSEMBLY FLOW TEST
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.
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.
Drop hydraulic pressure to zero
before disconnecting any
hydraulic hose, tube, or fitting.
Failure to comply may result in
injury to personnel.
(1) Place drain pan under vehicle.
(2) Disconnect hydraulic supply hose at
input of pay-out hydraulic motor.
(4) Connect two test hoses with fittings
and adapters to hydraulic tester.
(5) Connect hydraulic tester pressure port hose to
hydraulic supply hose.
(6) Connect hydraulic tester reservoir port hose to
pay-out hydraulic motor input fitting.
(7) Start engine (TM 9-2320-366-10-1).
(8) Engage PTO (TM 9-2320-366-10-1).
(9) Increase engine RPM to 1250-1450 RPM
(TM 9-2320-366-10-1).
(10) Position MAIN WINCH LH or RH lever to OUT
(TM 9-2320-366-10-1) and note flow and
pressure reading.
(11) If flow does not read 2 gpm (8 lpm) or
2400-2750 psi (4800-5500 kPa), adjust, repair,
or replace monoblock valve (para
16-85).
(12) If flow reads 2 gpm (8 /pm) or 2400-2750 psi
(4800-5500 kPa), replace payout hydraulic
motor (para 16-86).
(13) Decrease engine speed to 750 rpm.
(14) Position PTO switch to off (TM
9-2320-366-10-1).
(15) Shut down engine (TM 9-2320-366-10-1).
(16) Disconnect hydraulic tester and disassemble
test hoses, fittings, and adapters.
(17) Connect hydraulic supply hose to pay-out
hydraulic motor input fitting.
(18) Remove drain pan.
