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 TM 55-1905-220-14-8
4-5. GENERAL (Continued).
Table 4-2. Portable Fire Pump (P-250) Carburetion Troubleshooting.
NOTE
portable fire pump. Tables 4-1A thru 4-3A apply to the
Prosser PE250 electric start portable fire pump.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Filter - fuel.
Step 1. Clogged filter element.
Refer to paragraph 4-7.2.
Step 2. Air leak due to faulty or misplaced filter bowl gasket.
Refer to paragraph 4-7.2.
Step 3. Faulty fuel line connections.
Refer to paragraph 4-7.2.
2. Fuel tanks.
Step 1. Loose filler cap - faulty gasket.
Refer to paragraph 4-7.4.
Step 2. Faulty fuel line connectors.
Refer to paragraph 4-7.4.
Step 3. Clogged fuel line.
Refer to paragraph 4-7.4.
Step 4. Leaks in fuel and air lines.
Refer to paragraph 4-7.4.
Step 5. Pressure leaks in fuel tank.
Refer to paragraph 4-7.4.
4-12
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