Service Manual 73
Page 32 of 32
5. Problem: Pump is noisy.
a. Pump is cavitating due to inadequate suction conditions.
b. Misalignment of coupling.
c. Coupling set too close to pump.
d. Vibration of pump due to worn or bent shaft.
e. Air leaks on suction side of pump or air entrainment in fluid.
6. Problem: Pump leaks.
a. Bolts need tightening, allowing gaskets or o-rings to leak.
b. Gaskets or o-rings are damaged.
Note: Packings are designed to leak. Leakage should be at a rate that will prevent excessive
heating on the bracket at the packing area.
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 Alsip plant. No RGA can be
issued until a completed Material Safety Data Sheet (MSDS) has been forwarded to our Alsip
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.
12/01/2001
