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Replace blower motor in Lennox gas heater

I need to replace a blower motor in a Lennox gas-fired home hot-air heater. It is ''chirping'' and I want to replace it before it quits. I have located the correct replacement part, and it looks like a fairly easy fix (insert shaft of motor and hook up two wires). Is this something I should attempt myself after shutting off power to the unit?

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  • hildejim01 Feb 28, 2009

    Thanks for your help...motor needed lubrication...the oil finally reached the trouble spot and the chirping went away.


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It is a fairly simple operation. The hardest part may be seperating the blower wheel from the motor shaft. I recommend first sanding then applying a little oil to the old shaft. Prop the blower housing aprox. a foot off the floor with the motor facing down then using a wrench (NOT pliers as you may scar the shaft) hold the wheel with one hand and work the wrench on the shaft work it back and forth to loosen. DO NOT hammer on the end of the shaft as you will mushroom it ever so slightly. The weight of the motor should cause the shaft to slide down. Good luck and don't forget to answer back if this works or not.

Posted on Jan 18, 2009

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