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Old 03-22-2009, 11:12 AM   #1
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Trane XE 78 blower replacement


My unit is starting to make some noise, and it feels like the squirrel cage has excessive play. It's not obvious to me just how this assembly is most easily removed from the furnace. Does anyone have any experience with this?

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Old 03-22-2009, 11:20 AM   #2
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Trane XE 78 blower replacement


Look at the blower as where it mounts and there will be slide rails. Follow the slides and you should find a could of screws to remove and after you remove the screws it will just slide out. You may have to work around the wires

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Old 03-22-2009, 11:38 AM   #3
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Trane XE 78 blower replacement


Thanks for the quicke response! I guess this means that the electrical control box in front of it has to come out first.
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Old 03-22-2009, 02:02 PM   #4
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Trane XE 78 blower replacement


I have seen the set screws work loose on motor shafts.. Check the flat spot on the motor shaft & see if the set screw is tight against the flat spot
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Old 03-22-2009, 03:05 PM   #5
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Trane XE 78 blower replacement


I'll do that- thanks.
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Old 03-22-2009, 03:12 PM   #6
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Trane XE 78 blower replacement


Quote:
Originally Posted by kenmac View Post
I have seen the set screws work loose on motor shafts.. Check the flat spot on the motor shaft & see if the set screw is tight against the flat spot
And if its already worn a groove around the whole shaft, its too late.
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Old 03-22-2009, 03:15 PM   #7
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Trane XE 78 blower replacement


Understood. It wouldn't be the first time I was too late!
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Old 03-22-2009, 08:18 PM   #8
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Trane XE 78 blower replacement


Yea it was too late when I had my third kid if you know what I mean.

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