V1.4
22 of 22 04/01/2009
Excessive power draw.
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Pressure too high.
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Liquid is more viscous than originally expected.
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Suction or discharge lines obstructed.
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Insufficient
horsepower.
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Drive shaft and pump misaligned.
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Pump binding due to insufficient end clearance.
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Pump shaft is bent.
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Misalignment within the pump due to bad piping or poor installation, causing strain
or distortion.
Pump is noisy.
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Pump is cavitating due to inadequate suction conditions.
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Misalignment of coupling.
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Coupling is set too close to pump.
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Vibration of pump due to worn or bent shaft.
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Air leaks on suction side of pump or air entrainment in the fluid.
Pump leaks.
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Cover bolts need tightening or cover gasket is defective.
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Worn or defective seal.
Material Returns
If it becomes necessary to return a pump to the factory, a Return Goods Authorization
(RGA) must be obtained from either your local Authorized Distributor or our Chicago plant.
No RGA can be issued until a completed Material Safety Data Sheet (MSDS) has been
forwarded to our Chicago plant and return of the pump approved.
•
Tuthill pumps are precision built and must be handled with care.
•
Pumps must be drained of all fluid and the ports plugged to prevent foreign
material from getting into the pump.
•
Pumps must be packaged securely to prevent damage while in transit.
