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- > Do-It-Yourself Appliance Repair Help > The Laundry Appliance Repair Forum > grounding ball, kenmore dryer 417.80042990

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grounding ball, kenmore dryer 417.80042990  Rate Topic 
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 Posted: Wed Oct 27th, 2010 05:20 am
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MichaelMichaelC
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chicken and egg thing?

Installed new bracket
Installed new globe bearing on drum.
Now, how to get this tiny ball bearing to stay in the proper location while I put globe to bearing??
My solution- affix it on to the end of the globe with the high heat grease that came with the kit.

Why there isn't a spring mounted pin that penetrates from the back side is beyond my dismal comprehension

Is it gonna fail?

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 Posted: Wed Oct 27th, 2010 05:23 am
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john63

 

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That's exactly the right idea--good job.

Attaching the ball to the plastic bearing holder & then installing the rear bracket with (2) 5/16 screws to secure the white plastic bearing to the back of the dryer---is the correct way.


 

Last edited on Wed Oct 27th, 2010 05:28 am by john63

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 Posted: Wed Oct 27th, 2010 05:26 am
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kdog
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The small metal plate that has the threads for the long screws and mounts to the rear of the cabinet acts as a spring from the rear, holding it with the grease is advisable - I always use a telescopic magnet as well so that the ball does not accidentally fall to never-never land



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 Posted: Wed Oct 27th, 2010 05:32 am
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MichaelMichaelC
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thanks john, I couldn't imagine lining up the drum with the bearing plate while by myself.

I didn't notice, but is the plastic bearing holder a little concave so that the grounding ball finds its way to the contact hole?

And grease is conductive, right?

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 Posted: Wed Oct 27th, 2010 05:35 am
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john63

 

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<<<And grease is conductive, right?>>>

*********

Excellent question.

Use dielectric grease.

**********


<<<I didn't notice, but is the plastic bearing holder a little concave so that the grounding ball finds its way to the contact hole?>>>

**********

Yes---there's a small cavity at the hole on the white bearing.





Last edited on Wed Oct 27th, 2010 05:38 am by john63

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 Posted: Wed Oct 27th, 2010 05:37 am
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kdog
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Concave yes, conductive no - the only purpose the ball and sleeve serve is to support the drum - not part of the electrical circuit



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 Posted: Wed Oct 27th, 2010 05:40 am
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john63

 

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The *tiny* ball is a *ground connector*.

The giant ball at the back of the drum is the actual drum bearing (hi-temp grease provided with the bearing kit should be used).

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 Posted: Wed Oct 27th, 2010 05:48 am
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MichaelMichaelC
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John Rocks!

And what happens without the grounding ball? does it help discharge static electricity?

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 Posted: Wed Oct 27th, 2010 06:14 am
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john63

 

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I never thought of that---but without a doubt--yes to some degree at least.

The grounding ball is more for protecting the user from an electrical shock hazard should a wire "short" against the drum.

 

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 Posted: Wed Oct 27th, 2010 03:13 pm
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Samurai Appliance Repair Man
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I learned that the purpose of the ball bearing was to discharge static electricity that builds up inside the drum. The type of grease doesn't matter because the static jumps the dielectric gap created by the thin coating of grease. Has my world been rocked?



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 Posted: Wed Oct 27th, 2010 06:49 pm
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kdog
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And here all along I considered it to be a sort of wear indicator as I can ususally tell by looking at that ball from the outside if I should be goin' out to the truck and grabbing a bearing kit



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 Posted: Thu Oct 28th, 2010 06:46 am
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john63

 

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<<<Has my world been rocked?>>>

****

Haha--Not likely.

You know as well as most of us servicers that---we learn something new nearly everyday. Small things that add yet another dimension to our overall knowledge.

Which is truly one of the taken-for-granted aspects of a forum such as this one...

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 Posted: Thu Oct 28th, 2010 06:49 am
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kdog
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john63 wrote: ---we learn something new nearly everyday.
 

As my Daddy so delicately put it to me "If ya ain't screwin' up, ya ain't workin "



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 Posted: Thu Oct 28th, 2010 07:05 am
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john63

 

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Smart man.

There's an old bit of wisdom from the past that reads (possibly not verbatim though):

"The Man Who Never Makes Mistakes, Usually Never Makes Much Of Anything."

Applied today--I would tell my daughter to remove the word "Man" & put in the word "Person" or "Individual".

 

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