Troubleshooting - Wacker PT2A Manual De Operación

1A OPERATION

1.29 Troubleshooting

Problem / Symptom
Pump does not take in water.
Pump takes in water, little or no discharge.
Suction hose leaks at inlet.
Discharge hose does not stay on coupling.
Impeller does not turn; pump is
hard to start.
1A-16
Reason / Remedy
1. Not enough priming water in housing.
2. Engine speed too low. Adjust speed.
3. Strainer plugged. Clean strainer.
4. Suction hose damaged. Replace or repair hose.
5. Air leak at suction port. Check that fittings are tight and
sealing properly.
6. Pump too high above water.
7. Debris collecting in pump housing. Clean pump housing.
8. Too much clearance between impeller and insert.
1. Engine speed too low. Adjust speed.
2. Suction strainer partially plugged. Clean strainer.
3. Impeller worn. Adjust clearance by adding shims or replace
impeller.
4. Volute insert worn or damaged. Adjust clearance or replace
insert.
1. Clamps are not sealing properly. Tighten, replace, or
add clamp.
2. Hose diameter is too large.
3. Hose is damaged.
1. Pressure may be too high for clamps being used.
Add another clamp.
2. Hose kinked or end blocked. Check hose.
1. Impeller jammed or blocked. Open pump cover and clean
dirt and debris from inside of pump housing.
2. Impeller and insert binding. Adjust clearance by removing
shim from behind insert.
PT2A 1