TM 9-2320-392-10-2
M1084A1/M1086A1 MATERIAL HANDLING
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CRANE (MHC) HYDRAULICS TROUBLESHOOTING - Continued
M1084A1/M1086A1 MATERIAL HANDLING CRANE (MHC)
HYDRAULICS - Continued
Table 1. M1084A1/M1086A1 Material Handling Crane (MHC) Hydraulics
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
M1084A1/
3.
Check to see if
If MHC left outrigger (jack)
M1086A1
MHC left outrigger
drifts or does not operate,
MATERIAL HAND-
(jack) operates and
notify Field Maintenance.
LING CRANE (MHC)
does not drift (WP
LEFT OUT-RIGGER
0030 00).
(JACK) DRIFTS OR
DOES NOT
OPERATE -
Continued
NOTE
Hydraulic reservoir is considered full when oil level gage reads above 3/4
mark.
4.
M1084A1/
1.
Check hydraulic oil
If oil level is low, add
M1086A1 MATE-
level gage to
hydraulic oil (WP 0103 00,
RIAL HANDLING
determine
Table 3, Item 8).
CRANE (MHC)
hydraulic oil level.
RIGHT OUTRIG-
GER (JACK) DRIFTS
OR DOES NOT
OPERATE
2.
Check hydraulic
If Class III leaks are found,
hoses and fittings
notify Field Maintenance.
for Class III leaks.
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