For...
Reduce the center distance by...
Side mounted motors
Adjusting the motor slide base
Make sure that the center distance between the pump and motor shaft is reduced to the point
where the belts can be put on the sheaves without the use of force. Never roll or pry the belts into
place, as this could damage the belt cords.
2.
After the belts are seated in the sheave grooves, increase the center distance between the pump
and motor shafts to tension the belts.
Refer to pump general arrangement drawing for center distance ranges.
1
2
3
Figure 19: V-belt tension
Many v-belt drive manufacturers offer tension measurement tools that can aid in setting proper belt
tension. Contact the v-belt drive manufacturer for more information.
3.
Secure the overhead motor mount on slide base in place once the belts are properly tensioned.
4.
Install the unit after installation to ensure that the belts and sheaves do not come into contact with
the guard.
CAUTION:
The unit must not be operated without the proper drive guard in place. Operating the unit with-
out the drive guard in place could result in personal injury to operating personnel.
4.4 Install the pump, driver, and coupling
1.
Mount and fasten the pump on the baseplate. Use applicable bolts.
2.
Mount the driver on the baseplate. Use applicable bolts and hand tighten.
3.
Install the coupling.
See the installation instructions from the coupling manufacturer.
4.5 Pump-to-driver alignment
Precautions
WARNING:
•
Failure to disconnect and lock out driver power may result in serious physical injury or
death. Always disconnect and lock out power to the driver before performing any installa-
tion or maintenance tasks.
•
Electrical connections must be made by certified electricians in compliance with all
international, national, state, and local rules.
•
Refer to driver/coupling/gear manufacturer's installation and operation manuals
(IOM) for specific instructions and recommendations.
4.4 Install the pump, driver, and coupling
32
XHD Installation, Operation, and Maintenance Manual
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