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#1
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Carrier Furnace Question
The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off.
Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Thanks! (Stormy need not apply!) |
#2
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Carrier Furnace Question
On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa
wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Can't really answer your question directly. I'd inspect the rubber motor mount bushings and inspect for places a clip may have been.... Perhaps the blade (?) is hitting the shroud on the inside making it "rattle". |
#3
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Carrier Furnace Question
On Wednesday, January 1, 2014 1:11:21 PM UTC-6, Oren wrote:
On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Can't really answer your question directly. I'd inspect the rubber motor mount bushings and inspect for places a clip may have been.... Perhaps the blade (?) is hitting the shroud on the inside making it "rattle". "Rattle" is a poor description...a shudder is more like it. It kind of breathes when the power turns-off the motor. Vibration is normal when at proper speed. That's what makes me think it's out-of-balance! Thanks for the post! |
#4
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Carrier Furnace Question
On 1/2/2014 10:27 AM, Bob_Villa wrote:
"Rattle" is a poor description...a shudder is more like it. It kind of breathes when the power turns-off the motor. Vibration is normal when at proper speed. That's what makes me think it's out-of-balance! Thanks for the post! I had trouble with the inducer fan on my York a couple years ago. But, I'm not allowed to comment or provide information. -- .. Christopher A. Young Learn about Jesus www.lds.org .. |
#5
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Carrier Furnace Question
On Thu, 02 Jan 2014 10:54:32 -0500, Stormin Mormon
wrote: On 1/2/2014 10:27 AM, Bob_Villa wrote: "Rattle" is a poor description...a shudder is more like it. It kind of breathes when the power turns-off the motor. Vibration is normal when at proper speed. That's what makes me think it's out-of-balance! Thanks for the post! I had trouble with the inducer fan on my York a couple years ago. But, I'm not allowed to comment or provide information. Mine squeaked on shut-down and startup - the squirrel cage was loose in the hub - part was not available so I brazed it. Been good for 9 years since. |
#6
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Carrier Furnace Question
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#7
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Carrier Furnace Question
On Thu, 02 Jan 2014 10:54:32 -0500, Stormin Mormon
wrote: I had trouble with the inducer fan on my York a couple years ago. But, I'm not allowed to comment or provide information. ....chicken **** - do it anyway And stop playing the victim. |
#8
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Carrier Furnace Question
On 1/2/2014 5:45 PM, Oren wrote:
On Thu, 02 Jan 2014 10:54:32 -0500, Stormin Mormon wrote: I had trouble with the inducer fan on my York a couple years ago. But, I'm not allowed to comment or provide information. ...chicken **** - do it anyway And stop playing the victim. But, he told me not to. And I'm scared. -- .. Christopher A. Young Learn about Jesus www.lds.org .. |
#9
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Carrier Furnace Question
On Thu, 2 Jan 2014 07:27:55 -0800 (PST), Bob_Villa
wrote: On Wednesday, January 1, 2014 1:11:21 PM UTC-6, Oren wrote: On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Can't really answer your question directly. I'd inspect the rubber motor mount bushings and inspect for places a clip may have been.... Perhaps the blade (?) is hitting the shroud on the inside making it "rattle". "Rattle" is a poor description...a shudder is more like it. It kind of breathes when the power turns-off the motor. Vibration is normal when at proper speed. That's what makes me think it's out-of-balance! Thanks for the post! Might try using a mechanic's stethoscope to isolate the noise to a particular location. If you don't have a stethoscope, a long screwdriver, dowel of wood, etc. will work. Holding by your ear. You can pin down the location. |
#10
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Carrier Furnace Question
On Thu, 02 Jan 2014 10:06:19 -0800, Oren wrote:
On Thu, 2 Jan 2014 07:27:55 -0800 (PST), Bob_Villa wrote: On Wednesday, January 1, 2014 1:11:21 PM UTC-6, Oren wrote: On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Can't really answer your question directly. I'd inspect the rubber motor mount bushings and inspect for places a clip may have been.... Perhaps the blade (?) is hitting the shroud on the inside making it "rattle". "Rattle" is a poor description...a shudder is more like it. It kind of breathes when the power turns-off the motor. Vibration is normal when at proper speed. That's what makes me think it's out-of-balance! Thanks for the post! Might try using a mechanic's stethoscope to isolate the noise to a particular location. If you don't have a stethoscope, a long screwdriver, dowel of wood, etc. will work. Holding by your ear. A length of plastic tubing works, too. You can pin down the location. |
#11
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Carrier Furnace Question
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#12
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Carrier Furnace Question
On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa
wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Thanks! (Stormy need not apply!) Ivve been looking at my owners manual for my 30 year old Carrier oil; furnace -- is yours oil or gas-- Always say. -- and I forgot that it has a troubleshooting section. You should find the manual for yours (I have the paper copy but found this online. ) I don't think I have an inducer motor. Certainly not one that looks like your picture. I can't tell how big it is. Spinning when it's off sounds good to me. If this is just a fan, no it doesn't matter if it vibrates when the power is turned off. It matters if it doesn't spin at the proper speed when the power is on. That's what matters. I've never seen a fan with metal balancing clips, and that includes the 2 squirrel-cage blades on my furnace . Did you actually find a clip? That seems to go on the fan? |
#13
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Carrier Furnace Question
On Mon, 06 Jan 2014 06:35:44 -0500, micky
wrote: On Wed, 1 Jan 2014 08:33:25 -0800 (PST), Bob_Villa wrote: The inducer motor assembly vibrates/rattles when it shuts-down. The unit is 18 yrs old...The inducer motor runs smoothly and continues to spin a long while after power is off. Is this a concern...possibly a metal clip (for balancing) fell-off? http://i1181.photobucket.com/albums/...ps60adef7e.jpg Thanks! (Stormy need not apply!) Ivve been looking at my owners manual for my 30 year old Carrier oil; furnace -- is yours oil or gas-- Always say. -- and I forgot that it has a troubleshooting section. You should find the manual for yours (I have the paper copy but found this online. ) I don't think I have an inducer motor. Certainly not one that looks like your picture. I can't tell how big it is. Spinning when it's off sounds good to me. If this is just a fan, no it doesn't matter if it vibrates when the power is turned off. It matters if it doesn't spin at the proper speed when the power is on. That's what matters. I've never seen a fan with metal balancing clips, and that includes the 2 squirrel-cage blades on my furnace . Did you actually find a clip? That seems to go on the fan? I've seen lots of clip-ballanced squirrel cage blowers. Dumb idea as far as I'm concerned but not uncommon |
#14
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Carrier Furnace Question
This is an NG unit...I pulled-off the exhaust PVC and looked at the plastic fan...it's not loose and no weights or scratches where they might have been.
The gas shuts-off 1st and after about 10 sec. power to the inducer motor is cut-off and then there is a shutter to the whole assem. (jpg link). Maybe it's caused by the long PVC exhaust run (about 20') It has been running well in this -15 deg weather...just wonder if anyone has heard or seen this... |
#15
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Carrier Furnace Question
On Monday, January 6, 2014 8:30:58 PM UTC-6, Bob_Villa wrote:
This is an NG unit...I pulled-off the exhaust PVC and looked at the plastic fan...it's not loose and no weights or scratches where they might have been. The gas shuts-off 1st and after about 10 sec. power to the inducer motor is cut-off and then there is a shutter to the whole assem. (jpg link). Maybe it's caused by the long PVC exhaust run (about 20') It has been running well in this -15 deg weather...just wonder if anyone has heard or seen this... I lubed the bearing of the fan housing and this quieted it down...it looks like a sintered type. |
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