13
L-1599 (04-01-22)
SYMPTOM PROBABLE CAUSE(S) CORRECTIVE ACTION
Engine Heats
Excessively.
Rotating and/or reciprocating parts
drag.
Refer to engine section.
Speed too high.
Maximum engine speed not to exceed engine manufacturer’s
recommendation.
Internal leakage.
Check clearances between face of vanes and case. Should not
exceed 1/32”.
Rotating parts drag. Inspect. Repair.
Loose or broken parts. Inspect. Repair.
Obstruction in suction piping. Locate and remove obstruction. Attach strainer.
Discharge head too low. Decrease rate of flow.
Abnormal Noise
and/or Vibration.
Loose or broken parts. Refer to engine section.
Not primed.
Re-prime, inspect suction system for air leaks, and/or check
assembly.
Flow through pump completely or
partially blocked.
Locate and remove obstruction. Attach strainer.
Loose or broken parts. Inspect. Repair.
Obstruction in suction piping. Locate and remove obstruction. Attach strainer.
Suction lift too high.
Check with gauge or measure vertical distance between water
surface and center line of pump, allowing for friction loss in suction
pipe. Reduce rate of flow to obtain desired lift. Refer to pump
performance chart.
Discharge head too low. Decrease rate of flow.
Pump Works for a
While, Then Stops.
Loose or broken parts. Refer to engine section.
Flow through pump completely or
partially blocked.
Locate and remove obstruction. Attach strainer.
Loose or broken parts. Inspect. Repair.
Suction lift too high.
Check with gauge or measure vertical distance between water
surface and center line of pump, allowing for friction loss in suction
pipe. Reduce rate of flow to obtain desired lift. Refer to pump
performance chart.
Suction inlet not immersed deep
enough.
Refer to Installation section of manual.
Leaky suction line or connection
admitting air.
Repair or replace suction line. Tighten connections.
Engine Won't Start. Check engine as follows:
Check that there is gas in the tank.
Make sure the fuel valve is “ON” and that the engine switch is “ON.”
Make sure there is enough oil in the engine to reset the low-oil
sensor.
Check that fuel is getting to the carburetor (for persons with
small-engine experience).
Check for s par k at the spar k plu g (fo r pe rs on s wi th s ma ll -e ng ine
experience).
TROUBLESHOOTING
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