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General Safety Information
15. Check hose for weak or worn condition before each use.
Make certain that all connections are tightly secured.
16. Periodically inspect the pump and the system components.
Perform routine maintenance as required (see Maintenance
section).
17. Use only pipe, hose and ttings rated for the maximum psi
rating of the pump.
18. Do not use these pumps for pumping water or other liquids
for human or animal consumption.
Symptom Probable Cause(s) Corrective Action(s)
Pump will not prime or retain prime after 1. Air leak in the suction line. 1. Repair or replace.
operating. 2. Clogged foot valve or strainer. 2. Clean or replace
Flow rate is low. 1. Incorrect speed. 1. Check drive.
2. Piping is fouled or damaged. 2. Clean or replace.
3. Clogged impeller or worn impeller. 3. Clean or replace.
4. Discharge line restricted or undersized. 4. Flush out piping or replace.
5. High discharge pressure. 5. Check and reduce.
Pump runs but there is no uid. 1. Faulty suction piping. 1. Replace.
2. Pump is located too far from the uid source. 2. Relocate.
3. Gate valve is closed. 3. Open.
4. Clogged strainer. 4. Clean or replace.
5. Fouled foot valve. 5. Clean or replace.
6. Discharge height is too great. 6. Lower the height.
7. Suction lift is to great. 7. Lower the pump.
Liquid drips from the point where the shaft enters 1. Damaged mechanical seal. 1. Replace. (See Mechanical
the pump casing, when the pump is full of liquid. Seal Replacement section.)
The pump starts and stops pumping. 1. Fouled impeller. 1. Clean.
2. Faulty mechanical seal. 2. Replace.
3. Leak in the suction line. 3. Repair.
4. Leak in the foot valve. 4. Repair or replace.
Excessive noise while 1. Pump not secured to rm foundation. 1. Secure properly.
pump in operation. 2. Piping not supported to relieve any 2. Make necessary adjustments.
strain on the pump assembly.
3. Restricted suction line. 3. Clean or correct.
4. Cavitation. 4. a. Reduce speed.
b. Increase inlet size.
c. Use thinner material.
(General Safety Information Continued)
Troubleshooting
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