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TROUBLESHOOTING
19
TROUBLESHOOTING
Problem Cause Correction
No pump output or low
pump output when water
pump is running.
1. Pump not primed.
2. Suction hose restricted, collapsed,
damaged, too long, or diameter too
small.
3. Strainer not completely under water.
4. Air leak at suction hose connector.
5. Strainer clogged.
6. Discharge hose restricted, damaged,
too long, or diameter too small.
7. Excessive or marginal head.
8. Throttle lever is down in slow position.
1. Fill pump chamber with water and
prime pump.
2. Replace suction hose.
3. Sink the strainer and the end of
suction hose completely under
water.
4. Replace sealing washer if missing
or damaged. Tighten hose
connector and clamp.
5. Clean debris from strainer.
6. Replace discharge hose.
7. Relocate pump and/or hoses to
reduce head.
8. Move throttle lever up to fast
position.
Engine will not start; lacks
power; starts and runs
rough; or "hunts" or
falters.
1. Dirty air cleaner.
2. Out of fuel.
3. Stale or contaminated fuel or water in
fuel.
4. Spark plug wire not connected to
spark plug.
5. Bad spark plug.
6. Excessive fuel is present in the
air/fuel mixture causing a “flooded”
condition.
7. Excessively rich fuel mixture.
8. Intake valve stuck open or closed.
9. Engine has lost compression.
10. Carburetor is running too rich or too
lean.
1. Clean or replace air cleaner.
2. Wait two minutes and fill fuel tank.
3. Drain fuel tank and carburetor; fill
with fresh fuel.
4. Connect wire to spark plug.
5. Replace spark plug.
6. Wait 5 minutes and re-crank
engine.
7. Contact Authorized service facility.
8. Contact Authorized service facility.
9. Contact Authorized service facility.
10. Contact Authorized service facility.
Engine shuts down when
running.
Out of gasoline. Wait two minutes and fill fuel tank.