Troubleshooting - Briggs & Stratton 073049 Operator's Manual

Troubleshooting

Problem
No pump output or
low pump output
when water pump is
running.
Engine will not start;
lacks power; starts
and runs rough; or
"hunts" or falters.
Engine shuts down
when running.
14
Cause
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. Engine speed lever is in "Slow" position. 8. Move engine speed lever to "Fast"
1. Rocker switch set to OFF (0).
2. Fuel shutoff is in OFF (0) position.
3. Dirty air cleaner.
4. Out of fuel.
5. Stale or contaminated fuel or water in
fuel.
6. Spark plug wire not connected to spark plug. 6. Connect wire to spark plug.
7. Bad spark plug.
8. Excessive fuel is present in the air/fuel
mixture causing a "flooded" condition.
9. Carburetor is out of adjustment.
Out of fuel.
Correction
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.
position.
1. Set switch to ON (I).
2. Turn fuel shutoff to ON (I) position.
3. Clean or replace air cleaner.
4. Wait two minutes and fill fuel tank.
5. Drain fuel tank and carburetor; fill with fresh fuel.
7. Replace spark plug.
8. Wait 5 minutes and re-crank engine.
9. Contact Authorized service facility.
Wait two minutes and fill fuel tank.
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