WATER PUMP OPERATOR’S MANUAL
TROUBLE SHOOTING
No Pump Output
Possible Cause
Correction
1. Check pump chamber.
Pump not primed.
Prime the pump
2. Check suction hose.
Hose collapsed, cut or
punctured.
Replace suction hose
Strainer not completely
underwater.
Sink the strainer and the end
of a suction hose completely
underwater.
Air leak at connector.
Replace sealing washer if
missing or damaged. Tighten
hose connector and clamp
Strainer clogged.
Clean debris from strainer.
3. Measure suction and
discharge head.
Excessive head.
Relocate pump and/or
hoses to reduce head
4. Check engine.
Engine lacks power.
Low Pump Output
Possible Cause
Correction
1. Check suction hose.
Hose collapsed, damaged, too
long, or diameter too small.
Sink the strainer and the end
of a suction hose completely
underwater.
Air leak at connector.
Sink the strainer and the end
of a suction hose completely
underwater.
Strainer clogged.
Clean debris from strainer.
2. Check discharge hose.
Hose damaged, too long, or
diameter too small.
Replace discharge hose
3. Measure suction and
discharge head.
Marginal head.
Relocate pump and/or hoses to
reduce head
4. Check engine.
Engine lacks power.
PUMP
11
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