5.2 PULSAlarm LEAK DETECTION
Refer to Appendix I, page 33 for startup instructions specific to pumps equipped with the
PULSAlarm diaphragm leak detection system
DRIVE MOTOR INSTALLATION
5.2.1 Motor Rotation
Motor can be operated in either direction, clockwise or counterclockwise. Verification of motor
direction is not necessary at startup.
5.2.2 Motor Installation
PULSAR pumps may be shipped with the drive motor packed separately. This is done to avoid
damage during transport.
Figure 11
1. Remove the unattached coupling half from the motor adaptor. Ensure that the elastomer
coupling spider remains in place, on the coupling half that remains attached to the worm
shaft.
2. If applicable, remove any tape or retainer rings that hold the motor shaft key in place.
3. Place the loose coupling half on the motor shaft. Align the keyway with the key and align
shaft end to inner coupling surface as shown in figure above.
4. Tighten the setscrew onto the shaft key.
5. Place the motor in a vertical position and align the coupling teeth.
6. Install the motor downwards onto the adaptor. The plastic guide will assist in aligning the
coupling halves. Final position can be achieved by slightly rotating the motor until the
coupling jaws align.
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