TM 9-2320-366-34-1
2-1046
KNOWN INFO
KNOWN INFO
POSSIBLE PROBLEMS
POSSIBLE PROBLEMS
Faulty outrigger extension
cylinder.
REASON FOR QUESTION
TEST OPTIONS
TEST OPTIONS
REASON FOR QUESTION
Faulty outrigger extension
cylinder or beam will cause
outrigger extension to not
work properly.
Does outrigger extension
cylinder maintain position?
NO
YES
Does outrigger extension
cylinder work smoothly
without leaking?
NO
YES
Holding Valve Check
Cylinder Load Test
Fault corrected.
Replace outrigger extension
cylinder (para 16-57).
Replace outrigger extension
cylinder (para 16-57) or
replace outrigger beam
(para 16-58).
2.
3.
Hydraulic oil level OK.
Hydraulic hoses , tubes,
and fittings OK.
Control valve OK.
Right and left outriggers
OK.
Faulty holding valve.
Faulty outrigger extension
cylinder.
Faulty holding valve will
cause outrigger extension
cylinder to drift.
Hydraulic oil level OK.
Hydraulic hoses, tubes,
and fittings OK.
Control valve OK.
Holding valve OK.
Right and left outriggers
OK.
j4. M1089 MATERIAL HANDLING CRANE (MHC) OUTRIGGER EXTENSION CYLINDER DOES NOT WORK
(CONT)
