TM 5-3810-306-10
TABLE 3-1. OPERATOR TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
36. BOOM RAISES OR LOWERS ERRATICALLY
Step 1.
Hydraulic oil low.
a. Check hydraulic oil level. If ok, do step 2.
b. Fill hydraulic reservoir. Refer to LO 5-3810-306-12.
Step 2.
Low engine rpm.
a. Increase engine rpm.
Step 3.
Hydraulic system failure.
a. Contact Organizational Maintenance.
37. BOOM RAISES OR LOWERS SLOWLY
Step 1.
Low hydraulic oil.
a. Check hydraulic oil level. If ok, do step 2.
b. Fill hydraulic reservoir. Refer to LO 5-3810-306-12.
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.
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