TM 9-2320-366-34-1
2-1035
EIGHT BANK CONTROL VALVE ASSEMBLY
INPUT FLOW TEST
(11) Position PTO switch to off (TM
9-2320-366-10-1).
(12) Shut down engine (TM 9-23-20-366-10-1).
(13) Disconnect hydraulic tester, hoses and
adapters from fitting and port P.
(14) Connect fitting to port P.
(15) Remove drain pan.
(16) Install wrecker control panel splash guard
(TM 9-2320-366-20-4).
Drop hydraulic pressure to zero before
disconnecting any hydraulic hose, tube,
or fitting. Failure to comply may result in
injury to personnel.
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 removall.
(1) Place drain pan under vehicle.
(2) Disconnect fitting from port P of eight bank
valve assembly.
(3) Connect hydraulic tester between fitting and
port P with 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) Push in and hold MANUAL OVERRIDE
(TM 9-2320-366-10-1).
(8) Position TELESCOPE IN to IN (TM
9-2320-366-10-1) and note reading.
(9) If flow reading is not 14-15 gpm (53-57 lpm)
and 3000-3100 psi (20685-21375 kPa),
repair or replace eight bank valve
assembly (16-59).
(10) If flow reading is 14-15 gpm (53-57 lpm) and
3000-3100 psi (20685-21375 kPa), replace
manual override valve (para 16-61).
