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2 Strikes & the Dishwasher’s Not Out

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Reuven
User Rank
Bronze
Re: A similar problem with the whirlpool dryers
Reuven   6/12/2013 1:50:21 PM
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I have written several times about this very problem.  I have a Kenmore washer, with no mention of a filter, and Kenmore freezer with no mention of a backup 9v battery.  I had a Bowlens electric lawnmower with no mention of a design feature that would trap grass and cause the motor to overheat.  Not only was there no mention of this problem, there was no nondestructive way to clean it out.  The lawnmower problem was discovered when I did a teardown on the machine.  The Kenmore problems were solved by doing research on the internet and finding information from other owners who shared their stories.

William K.
User Rank
Platinum
Re: A similar problem with the whirlpool dryers
William K.   6/13/2013 9:46:52 PM
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Larry M, the spring clamp is the source of the problem, since the spring allows movement, which causes the wear. And at 1750 RPM the small unbalance of the worm style clamp is not a big deal. But if it were, it would be a simple matter to use two of them so as to maintain balance.

I had a dishwasher that somehow had the drain age flow clean the food filter, so that the filter did not normally need to be manually cleaned. If a dishwasher manual indicated that dishes had to be cleaned prior to washing, I would consider that a deffective design and retuyrn the machine and demand a refund. A machine that is unable to do the job that it is made for is JUNK.

Larry M
User Rank
Platinum
Re: A similar problem with the whirlpool dryers
Larry M   6/14/2013 10:00:28 AM
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William K, I was thinking of those really serious clamps that work best with a special hose clamp pliers, like one of these clamps:

http://www.hcl-clamping.com/images/product_pics/l-double-wire-spring.jpg

http://www.amazonsupply.com/rotor-clip-hc-4st-steel-single/dp/B005EMZZN6

http://www.gasgoo.com/auto-products/fastener-452/1226129.html

Even the smallest of these can clamp with substantial force if made from the right steel/

William K.
User Rank
Platinum
Re: A similar problem with the whirlpool dryers
William K.   6/15/2013 6:51:02 PM
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Larry, all of those clamps are spring clamps, and besides that they all apply the clamping force along a single line, at least the wire ones do. The third link shows a clamp similar to what is provided with the blower wheel, and that one does allow the very slight motion that causes the wear. The worm gear style clamps don't have any compliance, they wind up being rigid, and so allow no motion. The whole problem is that there is a very small movement that leads to wear, which loosens the joint, leading to more motion and more wear. 

In addition, a spring wire clamp that was tight enough to prevent all relative motion would probably exceed the allowable surface loading of the material.

rkinner
User Rank
Iron
Re: In defense of Maytag
rkinner   6/18/2013 4:55:25 PM
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I too have a dishwasher (10 years old) the slowly got worse in cleaning the dishes.  I tracked it down to the last hole in the lower swing arm being clogged (both ends).  This last hole was angled so it would push the swing arm around to clean most every part of the compartment. 

I ended up finding the smallest tweezers I could to reach in to the hole and pull out the food that was stuck inside.  I do that every few months to keep the unit cleaning fairly well.  It is down stream of the filter (and that is clean) but small parts accumulate at the end of the arm, probably from centrifugal force.  Once it cakes up the arm just stays in on e spot for the whole cycle.

Tom-R
User Rank
Gold
Re: In defense of Maytag
Tom-R   6/25/2013 10:47:21 AM
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I suspect the filter plugging on a 19 year old dish washer is due to the environmental changes made in dishwasher detergent, and not a monkey at Maytag. The detergents are now all phosphate free, thanks to a few States implementing regulations a few years ago. It fits the timing well. The problem with the new detergents is that a film forms that won't wash off many surfaces of your dishwasher. That probably plugged the filter. Before that the filter would have flushed clean every time the washer drained. Now you have to run some TSP through the washer, or buy one of the special dishwasher cleaning solutions being sold by the same detergent companies. Does anyone else see the irony of having to run a special wash solution through a washer to keep it clean?

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