TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
M1084/M1086 MATERIAL HANDLING CRANE (MHC) SWING DRIVE DOES NOT OPERATE.
Notify Unit Maintenance.
M1084/M1086 MATERIAL HANDLING CRANE (MHC) BOOM DOES NOT TELESCOPE IN OR
OUT.
Notify Unit Maintenance.
M1084/M1086 MATERIAL HANDLING CRANE (MHC) SWING, TELESCOPE, BOOM, AND
HOIST DO NOT OPERATE.
Notify Unit Maintenance.
M1084/M1086 MATERIAL HANDLING CRANE (MHC) BOOM DOES LIFT UP OR DOWN OR
HOLD UNDER LOAD.
Notify Unit Maintenance.
CAB DOES NOT RAISE.
Step 1. Check hydraulic oil level in air/hydraulic power unit (Appendix F).
If hydraulic oil level is low, add hydraulic oil (Appendix F).
Step 2. Check hydraulic hoses, air lines, and fittings for Class III leaks.
If Class III leaks are found or cab tilt still does not raise or lower properly, notify Unit Maintenance.
CAB DOES NOT LOWER.
Step 1. Check hydraulic oil level in air/hydraulic power unit (Appendix F).
If hydraulic oil level is low, add hydraulic oil (Appendix F).
Step 2. Check hydraulic hoses, air lines, and fittings for Class III leaks.
If Class III leaks are found or cab still does not lower, notify Unit Maintenance.
SPARE TIRE RETAINER DOES NOT RAISE.
Step 1. Check hydraulic oil level in air/hydraulic power unit (Appendix F).
If hydraulic oil level is low, add hydraulic oil (Appendix F).
Step 2. Check hydraulic hoses, air lines, and fittings for Class III leaks.
If Class III leaks are found or spare tire retainer still does not raise or lower properly, notify Unit
Maintenance.
SPARE TIRE RETAINER DOES NOT LOWER.
Step 1. Check hydraulic oil level in air/hydraulic power unit (Appendix F).
If hydraulic oil level is low, add hydraulic oil (Appendix F).
Change 2
3-84.29/(3-84.30 Blank)
