F-1031, Section 4202
Page 4 of 10
Bearings, Gaskets, Seals and O-rings
Parts of this nature are frequently damaged during removal or disassemb
ly. In addition, they sometimes deteriorate or lose their effectiveness be
cause of age or misuse. Replacing these parts whenever overhauling a
pump is a good policy.
Impeller Shafts
Examine shaft for severe scratches, grooves or corrosion - especially un
der packing or mechanical seals. If scratches are not severe, and are not
under packing and seals, clean them with a fine-cut file. Grooves under
the packing are usually permissible if they are not sharp or too deep. Even
slight longitudinal scratches will cause leaks and should be removed.
Installing Ball Bearings
Most Waterous pumps are designed so that ball bearings fit tightly on their
shafts and have relatively loose fits in the bearing housings. When mount
ing these bearings on shafts, always apply force to the inner races. When
bearings have a tight fit in the housings, and a heavy force is necessary to
install them, be sure to apply force only to the outer bearing races. For
either type of fit, applying force to the wrong bearing race may damage the
balls and race.
Installing Body Gaskets
To provide added sealing for gaskets between body halves, or between
bodies and intake adapters, coat both sides of these gaskets with a suit
able sealant. A compound such as Permatex Super 300 is recommended
for this application. Be sure all traces of previous gaskets and sealant are
removed before installing new gaskets.
Disassembly
A CG Series pump may be disassembled in several ways, depending on
the following:
•
Type of transmission
•
Piping arrangement
Removing the pump and transmission together, and then disassembling
the pump is usually the easiest method. Refer to service parts list (SPL)
furnished with your pump for component identification.
