TM 9-2320-392-10-2
M1084A1/M1086A1 MATERIAL HANDLING
CRANE (MHC) HYDRAULICS TROUBLESHOOTING
THIS OPERATE PACKAGE COVERS:
M1084A1/M1086A1 Material Handling Crane (MHC) Hydraulics
INITIAL SETUP:
Maintenance Level
References
Operator
WP 0018 00
WP 0030 00
M1084A1/M1086A1 MATERIAL HANDLING CRANE (MHC) HYDRAULICS
Table 1. M1084A1/M1086A1 Material Handling Crane (MHC) Hydraulics
Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
M1084A1/
1.
Check to see if
1.
Start engine (WP 0018 00).
M1086A1
MHC functions
MATERIAL
operate with PTO
HANDLING CRANE
engaged.
(MHC) HAND PUMP
DOES NOT
OPERATE
2.
Position PTO switch to on
(WP 0030 00).
3.
Attempt to operate MHC (WP
0030 00).
4.
If MHC does not operate with
PTO engaged, perform
Hydraulic System
troubleshooting (WP 0087 00,
Malfunction 2, Loss of
Hydraulic Pressure).
5.
Position PTO switch to off
(WP 0030 00).
6.
Shut down engine (WP 0018
00).
0099 00-1
