TM 9-2320-366-34-1
2-1103
HOLDING VALVE CHECK
TELESCOPIC CYLINDER LOAD TEST
(1) Pick up light load with MHC, extend boom (tele
out) and lift boom to 30 degrees (TM
9-2320-366-10-1).
(2) Observe that extended boom maintains position
for 30 minutes. If telescopic cylinder drifts,
holding valve (in telescopic cylinder) is faulty.
(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) Operate MHC boom up to 30 degrees, then out
and in two or more times (TM 9-2320-366-10-1).
(5) Observe telescopic cylinder for leakage. If
telescopic cylinder leaks, replace cylinder.
(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).
