5
Symptom
Probable Cause(s)
Corrective Action(s)
No discharge
Pump not priming
Discharge line must be open for priming to occur. If
valve is installed, check that it is open.
Fill priming chamber with water.
Increase engine speed.
Low discharge
Air leaks in suction line
Check inlet fittings for leaks. Seal leaks.
Undersized or collapsed suction hose
Suction inlet hose should be same diameter as
inlet port fitting. Check hose for kinks
Blocked or clogged inlet
Inspect basket strainer and clear any debris from
screen.
Impeller plugged
Inspect and clear obstruction.
Fluid leaking from pump
Mechanical seal failure
Determine fluid is coming from weep holes
between pump and engine. Change out seal.
Crack in pump housing
Check casing and casing cover for damage
Engine doesn’t run
Check oil & gas
Refer to engine manual for troubleshooting problem.
Troubleshooting
