Table 3-1. Operator's Troubleshooting

TM 5-4930-233-14

TM 4930-14/1

ITEM

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE FAILS TO TURN OVER WHEN STARTER SWITCH IS PUSHED

WARNING

Do not smoke or use an open flame in the vicinity when servicing

the batteries. Batteries generate hydrogen gas, which can explode

causing severe injury or even death.

Step 1. Check to see if batteries electrolite level is over plates.

Add distilled water until level is correct.

Step 2. Inspect for loose, corroded or broken battery cables.

Clean corroded cables. Tighten loose connections. If cables are broken or damaged, notify unit

maintenance.

Step 3. Inspect air compressor wiring harness for damage or loose connections.

Tighten loose connections. If wiring harness is damaged or broken, notify unit maintenance.

Step 4. Inspect control panel switches for damage.

Notify unit maintenance if switches are damaged.

Step 5. Inspect starter for damage.

Notify unit maintenance if starter is damaged.

ENGINE TURNS OVER BUT FAILS TO START

Step 1. Ensure that control panel switches are in correct position for starting.

Place switches in correct positions (paragraph 2-5).

Step 2. Check for improperly choked engine, especially when engine is cold pull out choke completely.

Step 3. Check for empty fuel tank.

Fill empty fuel tank.

Step 4. Check for damaged or leaking fuel lines.

Notify unit maintenance if fuel lines are damaged or leaking.

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