TM 9-2320-366-34-1
LIFT CYLINDERS LOAD TEST
HOLDING VALVE CHECK
(1) Start engine (TM 9-2320-366-10-1).
(2) Position PTO switch to on (TM
9-2320-366-10-1).
(3) Position MHC power switch to ON (TM
9-2320-366-10-1).
(4) Pick up heavy load, lifting and lowering boom
two or more times (TM 9-2320-366-10-1).
(5) Observe boom lift cylinders for leakage. If
cylinder(s) leaks, replace cylinder(s).
(6) Stow MHC (TM 9-2320-366-10-1).
(7) Position MHC power switch to OFF (TM
9-2320-366-10-1).
(8) Position PTO switch to off (TM
9-2320-366-10-1).
(9) Shut down engine (TM 9-2320-366-10-1).
(1) Pick up moderate to heavy load with MHC
(TM 9-2320-366-10-1).
(2) Observe that boom lift cylinders maintain
position for 30 minutes. If lift cylinder drifts,
holding relief valve on lift cylinder is faulty.
2-1109/(2-1110 Blank)
