Table 4-2A. Portable Fire Pump (PE-250) - Running Troubles - continued

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Table 4-2A. Portable Fire Pump (PE-250) - Running Troubles - continued

TM-55-1905-220-14-8 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

Table 4-3A. Portable Fire Pump (PE-250) - Pump Troubles

TM 55-1905-220-14-8

4-5. GENERAL (Continued).

Table 4-2A. Portable Fire Pump (PE-250) - Running Troubles (Continued).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

7. Engine stops.

Step 1. Fuel tank empty.

Refill fuel tank.

Step 2. Ignition inadvertently turned off.

Restart pump.

Step 3. Exhaust port and/or muffler plugged.

Remove blockage from exhaust port and/or muffler, refer to paragraph 4-7.6A.

Step 4. Insufficient oil content in fuel.

Empty fuel tank and refill.

Step 5. Plugged fuel line.

Check fuel lines and clean as required.

Step 6. Impulse tube plugged, pinched or loose.

Clean, tighten, or repair as required.

Step 7. Carburetor inlet screen or passages clogged.

Replace carburetor, refer to paragraph 4-7.7A.

Step 8. Faulty pressure switch.

Replace pressure switch.

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