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ITEM 63404
S
AFETY
Op
ERA
TION
M
AINTENANCE
S
ETU
p
pump Troubleshooting
problem
possible Causes
Likely Solutions
Pump overheats
1. Incorrect lubrication or
not enough lubrication.
2. Worn parts.
1. Lubricate using recommended oil or
grease according to directions.
2. Have qualified technician inspect internal
mechanism and replace parts as needed.
Unit stalls
1. Low engine speed.
2. Severely clogged air filter.
3. Improper lubrication.
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.
Pump does not
pump water
1. Pump is not primed.
2. Intake Strainer clogged.
3. Air leak at intake connector.
4. Hose leaks.
5. Suction hose has
collapsing wall.
6. Hose has too small diameter.
7. Pump is too high above
water surface.
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 3" or greater.
7. Locate Pump at a lower level so it doesn’t
have to work so hard to lift the water.
Low Pump Output
1. Suction hose collapsed,
damaged, too long or
diameter is too small.
2. Air leak at connector.
3. Strainer clogged.
4. Discharge hose damaged, too
long or diameter too small.
1. Replace or adjust suction hose.
2. Replace Coupling Gasket or tighten Clamp.
3. Clean Strainer.
4. Replace or adjust Discharge Hose.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
