TM 9-2320-392-10-2
M1084A1/M1086A1 MATERIAL HANDLING
0099 00
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
4.
M1084A1/
3.
Check to see if
If MHC right outrigger (jack)
M1086A1 MATE-
MHC right outrigger
drifts or does not operate,
RIAL HANDLING
(jack) operates and
notify Field Maintenance.
CRANE (MHC)
does not drift (WP
RIGHT OUTRIG-
0030 00).
GER (JACK) DRIFTS
OR DOES NOT
OPERATE -
Continued
NOTE
Hydraulic reservoir is considered full when oil level gage reads above 3/4
mark.
5.
M1084A1/
1.
Check hydraulic oil
If oil level is low, add
M1086A1
level gage to
hydraulic oil (WP 0103 00,
MATERIAL
determine
Table 3, Item 8).
HANDLING CRANE
hydraulic oil level.
(MHC) MAST DOES
NOT ERECT
2.
Check hydraulic
If Class III leaks are found,
hoses and fittings
notify Field Maintenance.
for Class III leaks.
0099 00-5
