TM 9-2320-366-34-1
HYDRAULIC PUMP FLOW TEST
(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 flow/pressure kit and disassemble
test hoses, fittings, and adapters.
(17) Connect hydraulic supply hose to monoblock
valve assembly input.
(18) Remove drain pan.
(19) Install four screws, washers, self-locking nuts,
center catwalk.
(1) Remove four self locking nuts, washers,
screws and center catwalk.
(2) Place drain pan under vehicle.
(3) Disconnect hydraulic supply hose at
input of monoblock valve.
(4) Connect two test hoses with fittings
and adapters to hydraulic tester.
(5) Connect hydraulic tester pressure hose to
disconnected hydraulic supply hose.
(6) Connect hydraulic tester reservoir hose to
monoblock valve 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 9-2320-10-1).
(10) Perform a flow check and note reading.
(11) Perform a pressure check and note reading.
(12) If flow does not read 12-14 gpm (45-53 lpm)
or 2400-2950 psi (16548-20340 Kpa), replace
the three stage hydraulic pump (para 16-92).
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.
2-1013
