Troubleshooting
20 Rev 65521-20090226
Troubleshooting
Problem Cause Solution
Water pump will not start No fuel Add fuel
Faulty spark plug Replace spark plug
Water pump will not start;
Water pump starts but runs roughly
Low oil level Fill crankcase to the proper level
Place semi-trash pump on a flat, level
surface
Choke in the wrong position. Adjust choke.
Spark plug wire loose Attach wire to spark plug
Water pump shuts down during
operation
Out of fuel Fill fuel tank
Low oil level Fill crankcase to the proper level.
Place semi-trash pump on a flat, level
surface
Water pump overheating or
performing poorly
Strainer or hose clogged Remove debris from strainer or hose
Pump not primed Re-prime pump
Suction hose out of water Place suction hose under the surface
of the water
Head limit exceeded Relocate pump so suction head is less
than discharge head (maximum 98
feet)
Air leak Tighten connectors and clamps or
replace seal packing
