TM 9-2320-366-34-1
POSSIBLE PROBLEMS
Faulty hoist.
Faulty check valve.
KNOWN INFO
YES
NO
Are pressure and flow
through hoist motor OK?
REASON FOR QUESTION
Faulty hoist motor will
cause hoist to not work.
TEST OPTIONS
Motor Flow Test
Replace oil filled disc
brake assembly and
check valve (para 16-50).
Fault corrected.
2.
Hydraulic oil level OK.
Hydraulic hoses, tubes,
and fittings OK.
Control valve OK.
Hoist-up lockout valve OK.
RV1 relief valve OK.
Motor control valve OK.
j8. M1089 MATERIAL HANDLING CRANE (MHC) HOIST DOES NOT WORK (CONT)
2-1064
