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Spray arm not spinning

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I ran a garden hose directly through the arm. The pressure is 60lbs. The holes are clean and there doesn't

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Old 05-07-2012, 09:45 AM
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Default Spray arm not spinning
Model Number: KUDI01FLSS2   Brand: Kitchen Aid   Age: More than 10 years   

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I ran a garden hose directly through the arm. The pressure is 60lbs. The holes are clean and there doesn't appear to be any obstruction. Water does come through but the arm doesn't turn and there is no spray. Am I possibly missing a gasket that would cause a loss of pressure? If you like I can dissassemble and post another picture.


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Old 05-09-2012, 03:19 AM
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Sorry but without actually being there I cannot say what exactly the problem is. Your arm assembly does look complete.
I have never run one on a hose so cannot say if it should rotate.

I would take it apart and see if a piece is worn where it would slow down the arm when water pressure is applied.

When you had it on the hose did water come out of both angled holes on the end. These are the ones that cause rotation.
I have seen where junk will get in an arm and plug it only when there is water pressure. Once pressure is removed the junk falls back into the arm so you cannot see it.

Do you know if the upper rinse arm (item 3 Section 12 ) works.
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Old 05-09-2012, 11:40 AM
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The psi for the hose is 60. The pump I believe should deliver a higher pressure. So should I assume it's the pump or something blocking the water flow
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Old 05-10-2012, 02:47 AM
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Here is a manual which should help pull the pump apart so you can check it.
http://appliancejunk.com/forums/inde...t=13 36642347

I would check the following first.

The rear water feed tube has two openings for a top tray that moves up and down. Check that the unused one is sealing correctly.

Often low water pressure is due to low fill. Most units fill to just under the heating element.
An easy way to check this is to add a couple quarts of water after a fill to see if the arm will spin. Just be careful to not overfill it.
If it is low fill then most likely cause is a partially plugged screen filter on the input side of the fill valve. Remove the valve and check/clean it. Do not permanently remove it as it is there to keep crud out of the valve which could hold it open and cause a flood.
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Old 05-10-2012, 03:00 AM
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Default Water pressure

Where is the filter located? I'd like to see if the screen is blocked
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Old 05-10-2012, 04:21 AM
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Here are your parts
Replacement parts for Whirlpool KUDI01FLSS2 UNDERCOUNTER DISHWASHER | AppliancePartsPros.com

The screen is Item 1 in Section 9.
Also there is a filter on the chopper Item 6 in Section 9.
When you click on a part's picture often another page will open with more info and a Q&A section.
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Old 05-10-2012, 05:05 AM
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Default Filter

I checked that filter located under the lower spray arm. I gave up trying to remove it. I'll give it another try. Maybe I missed a hidden screw. I only noticed 3. When the washing cycle is finished, the dishes are hot and there's moisture everywhere. The spray arms are probably not spinning because many of the bowls are not clean. Is there a way to observe with the door open without shutting down just to confirm?
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Old 05-10-2012, 06:11 AM
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There really is no way to check with the door open, water would get everywhere.

Often if you open the door during a cycle you will see the arms still turning.

Have you checked for low fill?
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Old 05-10-2012, 06:29 AM
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Haven't done that yet. Kitchen aide has a new program. For $292.50 they will repair the dishwasher replace any part and guarantee it for one year. It's 8 and a half years old. I may just do that
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Old 05-12-2012, 06:58 AM
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Default Section 9 #6

You were right. There was a piece of plastic caught in that filter which popped the blade and restricted flow. I bought the Kitchenaide special service plan for $267 which covered all parts and service for 1 year. I don't think he was in the house for more than 1/2 hour. He zeroed in on the problem and got it running perfectly. The service plan is a win win for everyone. The motivattion is to do it right and do it quickly. Thanks for all your advice. -Murray
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