Author Topic: 70 Series Dryer heats but no air and no tumble  (Read 4277 times)

Offline Jaytag

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70 Series Dryer heats but no air and no tumble
« on: June 24, 2010, 09:08:43 AM »
Dryer heats when you hit start button but no air and no tumble.  Motor shows signs of oil or some reside underneath.

Model 11066712694

Offline john63

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #1 on: June 24, 2010, 09:11:42 AM »
Does the motor start/run?

Offline JWWebster

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #2 on: June 24, 2010, 09:59:00 AM »
Unplug the machine and take it outside if possible. Yank out the filter and remve the filter chute screws. Pop the top then remove some screws and unplg the lid switch
« Last Edit: June 24, 2010, 10:30:22 AM by JWWebster »
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Offline JWWebster

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #3 on: June 24, 2010, 10:01:39 AM »
Get the drum out. Clean the lint out. Don't use this idler in the picture.
« Last Edit: June 24, 2010, 10:19:15 AM by JWWebster »
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Offline JWWebster

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #4 on: June 24, 2010, 10:04:25 AM »
Go back with this Idler. Click on all pictures to enlarge. It helps to have a friend hold the drum while you put the idler on. If the new belt is twisted it will be destroyed when the motor starts. belt is installed rib side down to the drum.
« Last Edit: June 24, 2010, 10:06:25 AM by JWWebster »
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Offline Jaytag

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #5 on: June 25, 2010, 05:50:51 AM »
The motor does not run.  I have the drum out.  I can turn all parts by hand.  Is it normal for the heating element to turn on without the motor running?

Offline RegUS_PatOff

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #6 on: June 25, 2010, 07:17:40 AM »
The motor does not run.  I have the drum out.  I can turn all parts by hand.  Is it normal for the heating element to turn on without the motor running?
NO ...
One section of the Motor Start Switch controls the Heater.
It may be "stuck" (technical term)   :)
lint, etc .. and therefore the Motor won't start, either.

Does the Motor "hum" ? (another technical term)   :)

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Offline JWWebster

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #7 on: June 25, 2010, 12:10:48 PM »
What about the door switch?
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Offline Jaytag

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #8 on: June 28, 2010, 07:00:02 AM »
Door switch is fine, the light goes on and off if you depress it

Motor makes no noise or hum at all

Offline RegUS_PatOff

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #9 on: June 28, 2010, 09:12:47 AM »
If the Dryer heats without the Motor (and thus Blower) running, the Motor Centrifugal Switch is "stuck".

You may need a new Motor,

AND the white Thermal Fuse that blew when the Dryer over-heated because of the "stuck" Centrifugal Switch.
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Offline schaffersapplian

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #10 on: June 28, 2010, 04:36:42 PM »
I just had a whirlpool dryer the other day that when the timer was moved into a cycle, ( you didn't have to press start) The Heater would come on.  It was due to a shorted heating element, not the Motor.
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Offline RegUS_PatOff

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #11 on: June 28, 2010, 05:08:13 PM »
...  It was due to a shorted heating element, not the Motor.
yes, thanks schaffersapplian, I keep forgetting about that ..
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Offline schaffersapplian

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #12 on: June 28, 2010, 05:51:05 PM »
LOL, so did I, I ordered a new motor, stuck it in, only to find, it did the same thing.  And the whole time I had the heater in my truck.  Oh well, thats what I get for assuming with this job.  :ahhh:
« Last Edit: June 28, 2010, 05:56:13 PM by schaffersapplian »
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Offline Jaytag

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #13 on: June 29, 2010, 11:15:26 AM »
So replace the thermal fuse? And not the motor?

Offline RegUS_PatOff

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Re: 70 Series Dryer heats but no air and no tumble
« Reply #14 on: June 29, 2010, 11:22:26 AM »
So replace the thermal fuse? And not the motor?
yes, but first test the Heater for shorts to the chassis (ground)
If no short, could be the Motor (Switch)...

« Last Edit: June 29, 2010, 11:27:14 AM by RegUS_PatOff »
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