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- > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > Maytag Dishwasher Model MDB6000AWB Upper arm in dishwasher not spinning

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Maytag Dishwasher Model MDB6000AWB Upper arm in dishwasher not spinning  Rating:  Rating
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 Posted: Wed Mar 22nd, 2006 12:59 am
   
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bohomesinc
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The upper arm of the dishwasher is not spinning. I cleaned the jet holes and the washer is getting water. Can low water pressure stop the arm from spinning? There seems tyo be a problem with calcium build up and I thought the water line may be restricted.

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 Posted: Wed Mar 22nd, 2006 04:00 am
   
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tinto99
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It can be a number of things:

1/ is the upper arm mating properly with the water conduit

2/ is the water conduit or the arm itself split/damaged, therby causing a leak and resulting in no spin

2/ general low water pressure (which can be caused by a chopper or pump problem)

If you ckeck the 'easy' items (1 and 2) and they are fine, next step would be to take it apart down to the chopper, see if anything is wrong there. It's not too difficult to do this. Lemme know if you need help, and please post your brand and model #.

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 Posted: Wed Mar 22nd, 2006 04:19 am
   
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Trying to help
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A few things to add to tinto99's checks.

*Water level on this unit should be up to the bottom of the heating element (using the element as a face of a clock, use the 9 & 3 positions) when the water shuts off if filling correctly. When the unit is done filling and you get the pause prior to the motor kicking on, look at the float switch on the left hand side behind the kick plate. The float is down to fill and will rise allowing the plunger of the switch to extend and stop the fill. If you are not getting a pause between fill and motor operation, you might not be filling with enough water. If the float is still down, add until it raises and breaks the contacts. Shut the door and start the unit, do the arms now move? If so, could be clogged screens in the valve

* Filter in the sump. Remove the lower arm, remove the torx screws holding the top part of the pump housing on. This will expose a micro-mesh filter that could be clogged to the point you are starving the pump of water. This will allow water to come out the arms but not enough pressure to move them. If they are clogged, inspect the back wash arm, that is the 4 armed spinner in the middle of the filter. The arms have verticle slots in the end of them that spray water out to clean the filter. If they have become clogged, clean them and the filter.     



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 Posted: Thu Mar 23rd, 2006 07:28 am
   
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socal_jim
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Thanks TTH.  Weird that our Maytag dishwasher would have the same symptom one day later.

Good call on cleaning out the mesh filter underneath the lower spray arm housing.  That fixed the problem.  Suprisingly, all the stuff stuck in the filter looked really fresh.

Any idea whether this is bound to be a recurring problem?  The spray arms got clogged about a week ago - I suspect it was from a jam jar with the lable still attached.  Could that have caused the filter to not clear itself? 

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 Posted: Thu Mar 23rd, 2006 08:08 am
   
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kdog
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the likelyhood of the problem reoccurring is directly proportional to whether or not you continue to wash paper jar labels in the machine look at the word closely: DISHWASHER  no mention of paper or any other debris that i can see!!



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 Posted: Thu Mar 23rd, 2006 01:56 pm
   
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Trying to help
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If we keep the foreign matter out, and you cleaned the 4 armed backwash arm ports (the one in the middle of the filter) you should be alright. The backwash arm spray's water out or the vertical slits in the end of the arms and is supposed to clean the filter during operation. Paper, and other things (once had one completely coated with orzo pasta and the consumer tried to tell me it came from the dealer that way with the half empty box still on the counter) can completely clog it to the point that even a clean backwash arm wont wash it down. You are probably fine from here.  



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 Posted: Thu Mar 23rd, 2006 06:03 pm
   
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socal_jim
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Thanks again.

I don't remember seeing anything in the middle of the filter that looked like a sprayer, but if it clogs up again, I'll be looking for it!

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 Posted: Fri Apr 7th, 2006 07:32 pm
   
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rickcorgill
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I believe I may have the problem associated with your number 3 but I can't quite figure out how to get it apart. Any hints? It's a Maytag Dishwasher model MDB6000AWB.

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 Posted: Fri Apr 7th, 2006 07:46 pm
   
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rickcorgill
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Sorry, I was referring to tinto99's number 3 above and need help actually getting the lower arm and attached paraphenalia removed.

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 Posted: Fri Apr 7th, 2006 08:44 pm
   
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socal_jim
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Rick:

You may want to be sure to reply directly to Tinto, I got an e-mail saying you replied to me.

However, on my Maytag, the lower arm is held in place by a large (~2.5-3" diameter) plastic furled nut right in the middle of the lower arm.   (There's a large hole in the middle of this nut through which water goes to the sprayer in the middle of the utensil holder.)  Undo that and the whole lower arm assembly will come out.  This exposes the torx bolts that you need to undo to get to the mesh filter. 

I didn't go any further than that, so if you need to get the chopper out, maybe Tinto can help.

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 Posted: Fri Apr 7th, 2006 11:52 pm
   
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tinto99
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You're referring to my second 2/. lol (my typo)

At this Sears site, you can search by your model # and get parts diagram and parts list. I attached the diagram just in case you have difficulty.

http://www3.sears.com/

Otherwise, I'm not too good with Maytags, not too sure how to get to the chopper on your machine.

I'll study the diagram a bit and try to come up with something.

Good luck

Attachment: Parts.jpg (Downloaded 25 times)

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 Posted: Sun Apr 9th, 2006 01:48 pm
   
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rickcorgill
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Thanks for the responses. I was actually able to figure it out. It is accessed as Grasshopper mentioned. The problem was the screen and also the 4 arm whirly-gig being clogged. Works like a new one now. Thanks for the help!

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 Posted: Thu Apr 13th, 2006 01:48 am
   
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GaryPE
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I have a similar model with the same problem.  I replaced the screen and cleaned the spray arm.  Worked great... for a month, followed by monthly cleaning.  I finally decided there was a little crud in the main waste drain.  If that drains slowly, without the velocity to carry away all the crud, it starts to build up on the screen.  Then, cleaning the screen let a little stuff into the "clean" side of the screen, which made its way to the spray arm.

I decided to resort to chemistry - hit it with a little Drain-O.  I let it sit for a few minutes, then ran a cycle.  Thing thing has worked great for > 3 mos.

 

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 Posted: Sun Aug 20th, 2006 09:28 pm
   
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pine lake
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Help - we have done all that is suggested ..... and cleaned (boy did we find things ).

The toruble is the water fillls up the lower tub - nice and hot .....but it never goes anywhere from there.

We broke a glass in the DW a few weeks ago - wedid get some broken glass out during the cleaning .....

Could it be the float?  Any reccomendations on next steps?

thx lb

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 Posted: Mon Aug 21st, 2006 12:12 am
   
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reelynyceguy
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The lower impeller in bolted directly on a plastic shaft to the motor, isn't it? I've had occasions where a piece o' glass will jam the impeller, and when the motor starts, breaks the shaft. The impeller will just spin freely, or not at all when the motor runs...thus no water pressure and no water circulating.



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 Posted: Mon Aug 21st, 2006 08:42 pm
   
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pine lake
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Hmmm .... ok sorry - impeller, proeller.....

So is the motor located below the filter area that we removed and cleaned?

thx lb
thx in advance ......

Last edited on Mon Aug 21st, 2006 08:43 pm by pine lake

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 Posted: Tue Aug 22nd, 2006 12:57 am
   
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reelynyceguy
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 Yes..beneath the filter, etc. There's a cover with several long torx screws to pull off, then you'll see the impeller. It's a round black thing with a single screw through the center. Pull the screw, lift off the impeller and see if the plastic shaft is broken. If it is,  you'll need a whole new motor. The shaft is supposed to be bonded to the motor.



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