TM 5-3810-307-10
Table 6-1. Operator Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Hydraulic system failure.
a.
Contact Organizational Maintenance.
34. BOOM RAISES OR LOWERS SLOWLY.
Step 1.
Low hydraulic oil.
a.
Check hydraulic oil level. Refer to PMCS in Section 5. If OK, do
step 2.
b.
Service hydraulic reservoir.
Step 2.
Low engine rpm.
a.
Increase engine rpm.
Step 3.
Cold hydraulic oil.
a.
Operate crane to bring oil to operating temperature.
Step 4.
Hydraulic system failure.
a.
Contact Organizational Maintenance.
35. BOOM WILL NOT RAISE OR LOWER.
Step 1.
Low hydraulic oil.
a.
Check hydraulic oil level. Refer to PMCS in Section 5. If OK, do
step 2.
b.
Service hydraulic reservoir.
Step 2.
Excessive load.
a.
Reduce load as required.
