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 TM 55-1905-220-14-8
4-5. GENERAL (Continued).
SYMPTOM INDEX
Note
M in Table number indicates malfunction item number.
EQUIPMENT
MALFUNCTION
TABLE
Portable Fire Pump
Ignition troubleshooting
(Gale Marine P250)
Spark plug
Breaker points - magneto
4-1-M2
Condenser - magneto
4-1-M3
Ignition coil - magneto
4-1-M4
Wiring magneto
4-1-M5
Flywheel
4-1-M6
Carburetion troubleshooting
Filter - fuel
Fuel tanks
Carburetor
Motor floods
Motor starves
Poor carburetion
Power head troubleshooting
Cooling system troubleshooting
Portable Fire Pump
Hardstarting or will not run
(Prosser PE-250)
Lack of fuel
4-1A-M1
Poor or no ignition spark
4-1A-M2
Engine flooded
4-1A-M3
Carburetor lean, too much air
4-1A-M4
Poor compression
4-1A-M5
Running troubles
Lacks power
4-2A-M1
Runs unevenly
4-2A-M2
Poor acceleration
4-2A-M3
No acceleration
4-2A-M4
Engine backfires through
carburetor
4-2A-M5
Pings under heavy load, full
throttle
4-2A-M6
Engine stops
4-2A-M7
Pump troubles
Pump primes slowly or not at a
4-3A-M1 -
Magnetic clutch slipping
4-3A-M2
Pump will not pump water - or is
not pumping enough
4-3A-M3
4-4
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