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
9.
M1084A1/
3.
Check to see if
If MHC swing, telescope,
M1086A1 MATE-
MHC swing,
boom, and hoist do not
RIAL HANDLING
telescope, boom,
operate, notify Field
CRANE (MHC)
and hoist operate
Maintenance.
SWING, TELE-
(WP 0030 00).
SCOPE, BOOM,
AND HOIST DO
NOT OPERATE -
Continued
NOTE
Hydraulic reservoir is considered full when oil level gage reads above 3/4
mark.
10. 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) BOOM DOES
NOT LIFT UP OR
DOWN OR HOLD
UNDER LOAD
2.
Check hydraulic
If Class III leaks are found,
hoses and fittings
notify Field Maintenance.
for Class III leaks.
0099 00-10
