|
Posted by Tony Hwang on May 28, 2006, 4:32 pm
joel_falk@hotmail.com wrote:
show/hide quoted text
> My Carrier's blower suddenly started screaching yesterday. I shut off
> the power and opened the inspection cover to find the squirrel cage
> grinding on the outer edge of the blower assembly. I removed the
> assembly and noticed that the cage retaining bolt had actually worked
> itself out completely and allowed the cage to slide down the motor's
> shaft until contacting the edge of the assembly. I pushed the cage
> back into position, reinstalled the bolt and tightened.
>
> When I manually spin the blower it seems a bit out of alignment,
> running in an out maybe 1/4 inch. If I turn on power and depress the
> safety switch to run the blower, the misalignment seems invisible,
> possibly due to the speed. The vibration when it is on does not seem
> worse than it did prior to coming loose.
>
> I did not like this misalignment so I fudged with it a bit to try to
> get it straight but I had no luck. Do I have a problem or is this ok?
>
> If this is an issue, is there a trick or tips to resolve?
>
> Thanks
>
Hi,
I had exactly same problem on my Carrier furnace. I retightened
everything and been running for number of years w/o any problem.
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap
> the power and opened the inspection cover to find the squirrel cage
> grinding on the outer edge of the blower assembly. I removed the
> assembly and noticed that the cage retaining bolt had actually worked
> itself out completely and allowed the cage to slide down the motor's
> shaft until contacting the edge of the assembly. I pushed the cage
> back into position, reinstalled the bolt and tightened.
>
> When I manually spin the blower it seems a bit out of alignment,
> running in an out maybe 1/4 inch. If I turn on power and depress the
> safety switch to run the blower, the misalignment seems invisible,
> possibly due to the speed. The vibration when it is on does not seem
> worse than it did prior to coming loose.
>
> I did not like this misalignment so I fudged with it a bit to try to
> get it straight but I had no luck. Do I have a problem or is this ok?
>
> If this is an issue, is there a trick or tips to resolve?
>
> Thanks
>