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 TM 55-1905-222-14
Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STARTING SYSTEM - Continued
2. CRANKING SPEED TOO SLOW.
Step 1.
Check to see if engine oil or system oil is too heavy.
Replace oil with proper grade oil.
Step 2.
Check for inlet line restriction (from accumulator to starting motor).
Ensure that hoses are not collapsed and are free of obstructions.
Step 3.
Check to see if hydraulic oil pressure is Insufficient.
Charge accumulators with hydraulic oil, using hand pump.
Step 4.
Check to see If starting motor is defective.
Notify direct support maintenance.
3. HAND PUMP FAILS TO CHARGE SYSTEM.
Step 1.
Check to see if accumulator valves are closed.
Open accumulator valves.
Step 2.
Check to see if isolation valve is closed (when trying to charge port accumulators).
Open isolation valve.
Step 3.
Check to see if oil level in reservoir is low.
Replenish reservoir.
Step 4.
Check to see if suction filter is clogged.
Clean filter element or replace (para. 3-13).
Step 5.
Check to see If accumulator blowdown valve is open (when trying to charge port accumulators).
Close accumulator blowdown valve.
3-15
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