Service manual

INSTALLATION
Shaft Alignment
In the case of a belt driven system, care should be taken to insure proper alignment and tension of
the drive belts and pulleys. A pillow block must be used in order to support the side load from the
belts. Insure that the belts and pulleys are free and clean from oil and debris.
In the case of a direct drive system, proper care must be used to insure that the coupled shafts are
accurately aligned. Failure to do so may result in rapid wear of the seal and/or reduced pump life.
System Piping
Pump should be positioned as near as possible to source feeding it. Suction piping must be no
smaller in diameter than the pump intake port and designed to avoid sharp bends, changes in
sections or undue restrictions. Pressure drops due to an accumulation of valves, flex lines, etc can
be considerable and must be taken into consideration.
Certain designs such as a low level drop are designed in order to maintain a minimum amount of
liquid at the pump. After evacuating the lines, this remaining liquid can significantly improve
start-up priming.
Piping Strain
To ensure undue forces are not present, flange bolts (suction and discharge) should be completely
slackened. If flanges are observed to spring apart, twist or move out of parallel excessively,
remedial action must be taken.
The piping system can expand and contract considerably with the changes in temperature. Ensure
that the final system allows for this change.
BearCat Pumps, LLC
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