Wacker Neuson PT2A - Troubleshooting

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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.