SyMptoM
poSSiBLe cAuSe
correctiVe ActioN
Pump will not prime
1. Air leak in suction line
1. Repair or replace
or retain prime after
2. Seal worn
2. Replace seal
operating
3. Gasket leaking
3. Replace gasket
4. Groove worn in shaft at seal area
4. Replace motor
5. Suction lift too high
5. Lower pump
6. Hose kinked
6. Straighten hose
7. Hose fitting not tight on head
7. Tighten hose
Pump runs but no fluid
1. Faulty suction piping
1. Repair or replace
2. Defective cam or impeller
2. Replace
3. Suction lift too high
3. Lower pump
4. Discharge height too great
4. Lower the height
5. Clogged inlet
5. Clean or replace
6. Pump too far from liquid
6. Relocate
Motor runs too hot
1. Voltage incorrect
1. Supply to be 115V
2. Excessive discharge pressure
2. Reduce pressure
3. Impeller swollen
3. Replace
4. Liquid too viscous
4. Reduce viscosity of liquid
5. Plugged or kinked discharge
5. Examine & repair
6. Insufficient air flow on motor
6. Be sure ample fresh air is
available at the motor
Flow rate is low
1. Piping is fouled or damaged
1. Clean or replace
2. Clogged impeller
2. Clear obstruction
3. Worn impeller
3. Replace cam or impeller
4. Voltage incorrect
4. Supply to be 115V
Seal leaks
1. Seal worn out
1. Replace seal
2. Shaft grooved
2. Replace motor
3. Pump head loose on motor
3. Repair
Pump will not run
1. No power
1. Determine that outlet is 115
2. Impeller jammed
2. See impeller section
3. Motor has open circuit
3. Clear obstruction
4. Motor overheated
4. Motor has automatic thermal
protector. Wait fifteen minutes
for motor to cool.
trouBLeShootiNG
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