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

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Table 4-1A. Portable Fire Pump (PE-250) - Hard Starting or Will Not Start. (CONTINUED)

TM-55-1905-219-14-8 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

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

TM 55-1905-219-14-8

4-5. GENERAL (Continued).

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

NOTE

Tables 4-1A thru 4-3A apply to the Prosser PE250 electric start portable fire

pump. Tables 4-1 thru 4-4 apply the Gale Marine P-250 portable fire pump

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Lacks power.

Step 1.

Poor quality or improperly mixed fuel.

Empty fuel tank and refill.

Step 2.

Water in fuel.

Empty fuel tank and refill.

Step 3.

Exhaust port and/or muffler plugged.

Remove blockage from exhaust part and/or muffler.

Step 4.

Improperly adjusted carburetor.

Adjust carburetor, refer to paragraph 4-7.7A.

Step 5.

Ignition timing wrong.

Check ignition timing, refer to paragraph 4-7.10A.

Step 6.

Poor compression.

Replace engine, refer to paragraph 4-7.10A.

2. Runs unevenly.

Step 1.

Bad spark plug.

Replace.

Step 2.

Wrong spark plug.

Replace with correct spark plug.

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