TM 9-2320-366-34-1
2-1105
FUNCTION TEST
(12) Stow outriggers (TM 9-2320-366-10-1).
(13) Position MHC power switch to OFF (TM
9-2320-366-10-1).
(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, hoses and adapters.
(17) Connect hose to port P.
(18) Remove drain pan from under vehicle.
(1) Place drain pan under vehicle.
(2) Disconnect hose from input port P of four way
(upper) control valve assembly.
(3) Connect hydraulic tester between hose and
port P 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 power switch to ON (TM
9-2320-366-10-1).
(8) Extend outriggers and erect boom
(TM 9-2320-366-10-1).
(9) Operate boom swing (TM 9-2320-366-10-1).
(10) Observe flow reading of 11-12 gpm (38-
46 lpm). If flow is low replace control
lockout two way solenoid valve.
(11) If flow is OK, replace overload shutdown
(para 16-22).
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.
