TM 9-4940-568-20
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Table 2-21. Crane Troubleshooting (CONT).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. CRANE INOPERATIVE (CONT).
Test 3.
Check hydraulic lines, hoses, and fittings for leaks or damage that could restrict flow.
If leaking or damaged lines are found, repair or replace lines as needed. Refer to
paragraph 7-4 in this manual.
If no leaks or damage are found, go to Test 4.
Test 4.
Replace hydraulic filter element. Refer to paragraph 7-3 in this manual. Start FRS and
attempt to move jack cylinders.
If outrigger jack cylinders operate properly, problem has been corrected.
If problem remains, Notify Supervisor.
