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 TM 55-1905-221-14-1
Table 4-1. Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. STEERING WHEEL DIFFICULT TO TURN.
Step 1. Check if both ball valves at pump discharge are open.
Close one ball valve.
Step 2. Check if relief valve is stuck open.
Readjust relief valve (para 4-22).
Step 3. Check setting of overcenter valve.
Reset overcenter valve (para 4-22).
Step 4. Check setting of counterbalance valves.
Reset counterbalance valves (para 4-18).
21. STEERING IS SLOW.
Step 1. Inspect ball valve at pump discharge.
One valve must be closed, the other open.
Step 2. Inspect flow control valve.
Notify your supervisor if valve is defective.
22. WHEEL WILL NOT TURN.
Step 1. Check rudders if jammed or fouled.
Remove physical obstruction.
Step 2. Check if one or more ball valves at cylinders are closed.
Open ball valves at cylinders (in Lazarette).
23. KICKBACK IN HELM.
Step 1. Check for air in system.
Bleed air from system. Correct air leak and refill.
4-14
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