Labconco Intelli-Sense Multi-Speed Blowers 7183413 - Manuel (Page 35)

Chapter 6: Maintaining Your Blower
Product Service 1-800-522-7658 31
Original instructions
Bearings
The pillow block bearings on your blower are factory sealed and lubricated. Under
normal operation, no further lubrication is required. Excessive lubricating may
cause damage to the bearing seal and significantly shorten the life span of the
bearing. Refer to Appendix A.
Coupler
The shaft coupler from the ECM motor to the blower wheel shaft can be inspected
once a year as needed. Tightening of the coupler screws would indicate possible
misalignment or an unbalanced blower wheel. Refer to Appendix A.
Common Service Operations (See
drawings in Appendix A Replacement
Parts)
Pillow Block Bearing Replacement
If you need to replace a pillow block bearing on your blower, make sure that the
locking collars on the bearings face one another. The setscrews used on the
locking collars have been sealed with a removable thread sealant. Thread sealant
should be applied when a pillow block bearing is replaced in the field. Refer to
Appendix A.
Motor Replacement
With the power disconnected, remove the upper weathercover, the mounting
hardware that supports the ECM motor frame and remove the ECM motor.
Remove both of the wire lead connectors to the motor. Re-install the new motor in
reverse order. Refer to Appendix A.
Intelli-Sense MSB Control Box Replacement
With the power disconnected, remove the existing Intelli-Sense MSB Control Box
and replace it with the new one. Make all connections per electrical wiring
diagram in Appendix C. Then follow the instructions in Chapter 3 to adjust the fan
speeds and confirm the performance of your Intelli-Sense Multi-Speed Blower/
Hood System. Refer to Appendix A.