Product Manual

wc_tx004597en.fm
39
PT2A / PT3A / PT4A Troubleshooting
9 Troubleshooting
Problem / Symptom Reason Remedy
Engine does not start.
No fuel in tank
Old fuel
Engine oil pressure/oil level low
Impeller rubbing on front cover
Add fuel.
Drain fuel tank, change fuel filter,
and fill with fresh fuel.
Add engine oil.
Inspect impeller clearance.
Engine is hard to start.
Dirt or debris inside pump housing
blocking movement of impeller
Clean or remove debris.
Impeller does not turn
and pump is hard to
start.
Impeller jammed or blocked
Impeller rubbing on front cover
Remove pump housing cover and
clean or remove debris.
Inspect impeller clearance.
Engine starts but
pump does not take in
water.
Pump housing not filled with water
Suction strainer partially clogged
Suction hose damaged
Air leak at suction port
Pump too high above water line
Engine speed too low
Debris collecting in pump housing
Too much clearance between
impeller and front cover
Prime the pump.
Clean or remove debris.
Repair or replace suction hose.
Repair air leak.
Move pump closer to water.
Run pump at maximum operating
speed.
Clean or remove debris.
Inspect impeller clearance.
Pump takes in water
but discharges little or
no water.
Impeller worn
Discharge hose kinked or blocked
Engine speed too low
Inspect impeller clearance.
Unkink discharge hose or remove
obstruction.
Run pump at maximum operating
speed.
Suction hose leaks at
inlet.
Clamps not sealed properly
Suction hose diameter too large
Suction hose damaged
Tighten, replace, or add clamps.
Use a hose with a smaller
diameter.
Replace suction hose.
Discharge hose does
not stay on coupling.
Pressure is too high for clamps
being used
Discharge hose kinked or blocked
Add another clamp.
Unkink discharge hose or remove
obstruction.
Engine stops by itself.
No fuel in tank
Engine oil pressure/oil level low
Engine too hot
Add fuel.
Add engine oil.
Allow the engine to cool. Check
and add coolant if necessary.