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Installation
3. Secure the overhead motor mount on slide base in place once the belts are properly
4. Install the unit after installation to ensure that the belts and sheaves do not come into
CAUTION:
The unit must not be operated without the proper drive guard in place. Operating the unit
without the drive guard in place could result in personal injury to operating personnel.
Pump-driver alignment
WARNING:
Follow coupling manufacturer's installation and operation procedures.
Shaft alignment of horizontal pump and driver
Pumps and drivers that are received from the factory with both machines mounted on a
common subbase were accurately aligned before shipment. Because all subbases are, to
some extent, flexible, factory alignment may be altered during shipment and handling. After the
subbase has been leveled, grouted, and secured, check the alignment. Alignment should be
rechecked after the pump is fully installed and before startup. Refer to the Alignment
Procedure.
Disconnect coupling halves before proceeding with alignment. Check for angular and parallel
alignment in the Alignment Procedure. The faces and outside diameters of the coupling halves
must be square and concentric with the bores. If this condition does not exist, the Alternate
Method of Alignment is recommended.
Subbase mounted horizontal pumps may be shipped with or without drivers and gears. Be sure
pump and drivers are uncoupled before installation. Level by shimming beside each anchor
bolt and grout as described in Installing Pump on Foundation.
Alignment procedure
A check for angular alignment is made by inserting the taper gauge or feelers at four points
between the coupling faces and comparing the distance between the faces at four points
spaced around the coupling. The unit will be in angular alignment when the measurements
show that the coupling faces are the same distance apart at all points Checking angular
alignment.
8
Refer to pump general arrangement drawing for center distance ranges.
Figure 5: 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.
tensioned.
contact with the guard.
Alignment procedures must be followed to prevent unintended contact of rotating parts.
Model JC Installation, Operation and Maintenance Instructions
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