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Pump Troubleshooting
Problem
1. Incorrect lubrication or not
enough lubrication.
Pump overheats
2. Worn parts.
1. Low engine speed.
Unit stalls
2. Severely clogged air filter.
3. Improper lubrication.
1. Pump is not primed.
2. Intake Strainer clogged.
3. Air leak at intake connector.
Pump does not
4. Hose leaks.
pump water
5. Suction hose has collapsing wall.
6. Hose has too small diameter.
7. Pump is too high above water surface.
1. Suction hose collapsed, damaged,
too long or diameter is too small.
2. Air leak at connector.
Low Pump Output
3. Strainer clogged.
4. Discharge hose damaged,
too long or diameter too small.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
Item 68375
Possible Causes
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Likely Solutions
1. Lubricate using recommended oil or
grease according to directions.
2. Have qualified technician inspect internal
mechanism and replace parts as needed.
1. Qualified technician should increase
no load speed to 3,800±100 RPM
by adjusting pressure switch.
2. Replace air filter.
3. Check for proper oil level.
1. Prime Pump.
2. Clean Intake Strainer or replace if damaged.
3. Replace Coupling Gasket or tighten clamp.
4. Replace hose.
5. Use hose with non-collapsible wall.
6. Use hose with diameter 2" or greater.
7. Locate Pump at a lower level so it doesn't
have to work so hard to lift the water.
1. Replace or adjust suction hose.
2. Replace Coupling Gasket or tighten Clamp.
3. Clean Strainer.
4. Replace or adjust Discharge Hose.
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