| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-221-14-1
Table 4-1. Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
27. LOSS OF OIL.
Check for ruptured line.
Repair ruptured line or refer to your supervisor.
28. OVERFLOWING OF TANK.
Check for aeration of oil by air leaks in system.
Shut down system, allow air to escape; repair air leak.
29. RAMP CONTROL VALVE LEVER DOES NOT MOVE.
Check control valve for any obvious defects.
Notify your supervisor.
30. RAMP CONTROL VALVE LEVER MOVES BUT WINCH DOES NOT TURN WHEN CABLE IS FREE TO MOVE.
Step 1. Check power takeoff (PTO) is engaged at pumps.
Engage PTO.
Step 2. Check if ball valve is open.
Close ball valve.
Step 3. Check hydraulic oil or system pressure.
Check quantity of oil in supply tank. Replenish if necessary.
Step 4. Check for ruptured hydraulic line.
Notify your supervisor.
Step 5. Check system relief valve to see if it is set at correct pressure (para 4-89).
Check system pressure. Adjust relief valve if required.
4-16
|
||
|
||
