Author Topic: Kenmore dryer  (Read 2385 times)

Offline app1

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Kenmore dryer
« on: October 14, 2011, 06:39:19 PM »
Working on a Kenmore stackable unit Model# 417.90802990 and this might sound crazy but the clothes are not drying very quick and the dryer gets very-very hot as I touch the back. I have checked for blockage in the vents and they are fine , my question is this, would it be the cycling thermastat or the Hi Limit thermastat or the heater thermistor. Also, doesn't the Hi limit thermastat control how hot it gets or is it another thermastat. The Hi limit is on the heater housing and the other two are on the vent housing. Any help would be deeply appreciated. Thanks in advance for any help!

Offline app1

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Re: Kenmore dryer
« Reply #1 on: October 14, 2011, 06:51:15 PM »
kenmore stackable dryer model# 417.90802990 is overheating and the vents are clean, any suggestions, thanks in advance

Offline AJ

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Re: Kenmore dryer
« Reply #2 on: October 14, 2011, 06:59:39 PM »
I would remove the drum from the dryer and then remove the heat shield (part #3204254) from the back of the drum and clean the lint out. Then check the temperature again. Also check the blower housing area.

For some reason this style dryer seems bad for collecting lint between the back of the drum and the heat shield.
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Offline AJ

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Re: Kenmore dryer
« Reply #3 on: October 14, 2011, 07:07:29 PM »
The high limit thermostat (part #3204267) is a safety and does not control the temperature of the dryer. If the dryer gets to hot this thermostat will kill the power to the heating element.

Heater Thermistor, Part #131658102 and Thermostat, Part #3204307 control the temperature of the dryer.


If you are sure the dryer and venting is 100% lint free then I would replace Thermostat, Part #3204307
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Offline RegUS_PatOff

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Re: Kenmore dryer
« Reply #4 on: October 14, 2011, 09:07:41 PM »
... clothes are not drying very quick
... and the dryer gets very-very hot
If you have heat and you say the Vent is OK, then it should dry ...
Check the blower and the Vent System ...
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Offline JWWebster

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Re: Kenmore dryer
« Reply #5 on: October 14, 2011, 09:14:15 PM »
The blower sometimes separates from the motor on its own. I had one like that earlier this year.
Click on pix to enlarge:
« Last Edit: October 14, 2011, 09:16:58 PM by JWWebster »
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Offline JWWebster

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Re: Kenmore dryer
« Reply #6 on: October 14, 2011, 09:20:21 PM »
To get into the dryer portion the top come off first the the control panel then the front then the drum:

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Offline JWWebster

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Re: Kenmore dryer
« Reply #7 on: October 14, 2011, 09:25:15 PM »
The top comes off then remove the splash plate (the tech sheet is there) then the controls have quick connects you sit them aside and get the front panel off there. To get the drum out I removed the 3 screws holding the center beaing out just to make it easier for me. Hulk Hogan would have no problem I am sure.  :rofl:
« Last Edit: October 14, 2011, 09:27:56 PM by JWWebster »
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Offline whirlpooltech

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Re: Kenmore dryer
« Reply #8 on: October 15, 2011, 07:54:29 AM »
JW  O0 O0

Offline app1

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Re: Kenmore dryer
« Reply #9 on: October 19, 2011, 04:23:35 PM »
AJ, I took the drum out and cleaned everything out - no lint - put it back together and left the exhaust disconnected and the back of the drum feels extremly hot still, you said to change the thermastat and I can do this but my question is that when I check the continuity it checks out OK, can this still be bad you stated that the thermistor heater and the thermastat control the heat, how do I check the thermistor? or should I just change them both. Also, what should the exhaust air temp be (from the exhaust or should it be checked another way. WOW, sorry for all the questions, just tryng to learn and can you get these parts as a kit. Thanks again for all your help I really appreciate it
Bob

Offline JWWebster

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Re: Kenmore dryer
« Reply #10 on: October 19, 2011, 06:20:05 PM »
That thang yall calling a thermister is nothing more than a bias heater. It is used to warm the klixon so that it will shut down faster for knits and permapress. I say get another klixon

http://www.repairclinic.com/PartDetail/Cycling-Thermostat/3204307/508556
« Last Edit: October 19, 2011, 06:23:23 PM by JWWebster »
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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
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