Thread Number: 59509  /  Tag: Vintage Dishwashers
Two almost-twin dishwashers!
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Post# 821065   4/26/2015 at 22:02 (1,247 days old) by PhilR (Quebec Canada)        

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Today, I picked up a dishwasher that I wanted for a long time. At the same time, I gave a similar one to a friend of mine who just got the GE fridge in the other thread.

Can you see the difference?

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Post# 821066 , Reply# 1   4/26/2015 at 22:04 (1,247 days old) by PhilR (Quebec Canada)        

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OK, the one on the right had it's lower panel repainted in white...

Now, let's see inside...

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Post# 821067 , Reply# 2   4/26/2015 at 22:09 (1,247 days old) by PhilR (Quebec Canada)        

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Now I guess most of you found it but here's more pics!

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Post# 821070 , Reply# 3   4/26/2015 at 22:38 (1,247 days old) by PhilR (Quebec Canada)        

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I just replaced the racks in the WU600 with newer (and much nicer!) blue racks that Paul gave me. The white ones were in pretty bad shape.

I took pictures of the serial numbers if the new WU600 and of my remaining WU601. I think I'll install both together and compare them!

The WU600 is from August of 1973 and the WU601 is from May of 1976.

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Post# 821075 , Reply# 4   4/26/2015 at 23:20 (1,247 days old) by jetaction (Minneapolis)        

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Maytag RR dishwashers are my overall favorite vintage dishwasher. Ease of loading, capacity, cleaning are all amazing. Not the most stylish compared to others but we can't have it all in one model can we??
Congrats Phil!

Post# 821076 , Reply# 5   4/26/2015 at 23:36 (1,247 days old) by A440 ()        

Love the 73' direct drive! That motor was about the size of most swimming pool pumps at the time! Great sounding machine while running with a full load! I always thought the wash action sounded like a Maytag top loader washing from the same vintage.
Awesome machine to have in your collection.

Post# 821083 , Reply# 6   4/27/2015 at 00:50 (1,247 days old) by behzad (Home Appliances Lab)        
Hello Phil

I really like the clean design of those dishwashers. According to the pumps styles, I guess the non-belt type(actually the left one) is quieter than the other one. Is it right?

Thank you by the way

Post# 821085 , Reply# 7   4/27/2015 at 01:40 (1,246 days old) by PhilR (Quebec Canada)        
I guess the non-belt type(actually the left one) is quieter

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That I'll have to find out!

Here's an interesting thread about the early direct drive (pre-belt drive) models.

Post# 821094 , Reply# 8   4/27/2015 at 04:11 (1,246 days old) by behzad (Home Appliances Lab)        

thank you Phil, I'm gonna read that.


Post# 821098 , Reply# 9   4/27/2015 at 06:07 (1,246 days old) by Easyspindry (Winston-Salem, NC)        
The dishwasher on the left . . .

. . . had a poor design (I had one) that caused the porcelain to rust through and leak. When Maytag discovered this flaw in the design, they offered a "kit" to repair the damage or offered a good trade-in toward the price of a new dishwasher. The original dishwasher was bought in 1972.

I chose the trade-in, received the new machine and never had a problem with it for I don't know how many years.

I had a friend who was re-doing a kitchen in a rent house, and I gave the dishwasher to him. I don't know whether or not it is still running.

I got myself a Hobart-built ISE which ran flawlessly until the main seal in the tub started decaying.

Never a complaint with either Maytag as far as cleaning ability. But I found the ISE capacity was greater, especially for items such as large cookie sheets.

Jerry Gay

Post# 821136 , Reply# 10   4/27/2015 at 11:58 (1,246 days old) by behzad (Home Appliances Lab)        

Hey Jerry
The horrible dishwasher which you talking about doesn't have any grinder, does it? And I just noticed that there is no float switch on WU600! Or maybe located at another place. Since I'm not expert in Maytag dishwasher, any idea would be great.

Post# 821139 , Reply# 11   4/27/2015 at 12:26 (1,246 days old) by PhilR (Quebec Canada)        

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Jerry, where did the tank rust through in yours? 



I also noticed there's no float switch, maybe it has a pressure switch underneath, I haven't checked for that. I have a 1969 Frigidaire mobile dishwasher that has neither, the undercounter version had one.





Post# 821166 , Reply# 12   4/27/2015 at 14:12 (1,246 days old) by behzad (Home Appliances Lab)        

you're right, I think it has a pressure switch right down the tub.
This is the only possible way to measuring the water level.

Thank you again.

Post# 821190 , Reply# 13   4/27/2015 at 18:13 (1,246 days old) by appnut (TX)        

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Didn't these dishwasher feature a metered fill rather than timed fill?

Post# 821204 , Reply# 14   4/27/2015 at 19:35 (1,246 days old) by combo52 (Beltsville,Md)        
Early MT Built-in Dishwashers

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The direct drive WU600 was the first BI DW MT ever built, it was a very good cleaning machine and a nicely styled unit as well. But it had MTs unusual reverse rack loading design that plagued MT DWs from the beginning for its poor flexibility and limited capacity. [ MT DWs never really took off in sales until they voluntary dropped this flawed [ consumer hated ] design ].


The DD machines were quieter overall than the noisy BD machines that came later, but like several other brands of DWs with reversing motors when the motor started in the drain direction the pump made an interesting loud sound as they stared to drain.


The early MT WU600 DWs did have several serious design flaws that caused MT to replace or exchange a large # of them in just a few short years.


All these early MT DWs were timed fill [ like 98% of all DWs ever built in the US ] on the DD DWs there was a safety over fill rubber pressure type over-fill switch under the SS sump cover.

Post# 821222 , Reply# 15   4/27/2015 at 23:03 (1,246 days old) by PhilR (Quebec Canada)        

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I read your posts about the design flaws in another thread, were they all corrected by the end of the WU600 production?  I read about bad wiring cut by repeated door openings and upper wash arms rubbing the porcalain which caused rust problems. 


On mine, I can't tell about the wiring as I haven't used it yet (it's supposed to work fine) but the porcelain over the wash arm seems OK (with just a trace of gray which suggests there was very light rubbing, not causing any serious damage). 


If I remember well, I think you said some of these (or was it the earlier WP600?) had a Delco motor? They must be earlier models because this one seems to have a GE.


By 1973, even most Frigidaire appliances didn't have Delco motors anymore...


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Post# 821255 , Reply# 16   4/28/2015 at 05:58 (1,245 days old) by combo52 (Beltsville,Md)        
Early MT WU600 DWs

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Hi Phil, yes MT corrected a lot of problems by the time yours was built, so hopefully yours will work well.


One of the big problems with the early ones was the main pump discharge hoses blowing off the pump housing and flooding the kitchen. It was a PITA to fix as you had to pull the whole DW to get to the pump, then we had to take a triangular file and file grooves in the pump discharge port and reclamp the hoses and pray it didn't happen again.

Post# 821256 , Reply# 17   4/28/2015 at 06:07 (1,245 days old) by Easyspindry (Winston-Salem, NC)        
BJ, the tank . . .

. . . rusted through right at the edge of the Figure 8 metal plate just under the lower wash arm.

I have to say the Maytag cleaned well, but the noise was deafening, especially when it drained.

Jerry Gay

Post# 821278 , Reply# 18   4/28/2015 at 10:32 (1,245 days old) by Tomturbomatic (Beltsville, MD)        

The dishwasher on the left looks like it had a briss while the one on the right looks unmodified.

Post# 821280 , Reply# 19   4/28/2015 at 10:48 (1,245 days old) by swestoyz (Cedar Falls, Iowa)        

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I believe Phil's new WU600 is probably a Series 2 machine, which had almost all of the bugs worked out from the earlier versions of this dishwasher. 


I'll be very curious to hear what your thoughts are about the two!



Post# 821351 , Reply# 20   4/28/2015 at 20:21 (1,245 days old) by gdouaire ()        

I'll install the belt-drive Maytag tomorrow... Eager to see this nice machine work again :) Will be a perfect fit with the 1965 Talisman GE fridge and the 1974 Belanger "Ceravit" stove.

Thanks again Phil!

Post# 821382 , Reply# 21   4/28/2015 at 22:04 (1,245 days old) by PhilR (Quebec Canada)        

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You're more than welcome Gilles!


I hope it will work fine and that you'll enjoy using/fixing these machines!


Welcome here!

Post# 821385 , Reply# 22   4/28/2015 at 22:20 (1,245 days old) by PhilR (Quebec Canada)        

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Tom, I was wondering what you were talking about, I had to look at the definition of "briss" to figure it!!



Post# 821409 , Reply# 23   4/29/2015 at 06:36 (1,244 days old) by Tomturbomatic (Beltsville, MD)        

I was trying to be considerate of the delicate sensibilities in the Imperial realm.

Post# 821417 , Reply# 24   4/29/2015 at 08:50 (1,244 days old) by A440 ()        
Direct Drive Pump

Hi John,


I have only seen two of the direct drive early Maytag's DW's and on both I said how pitiful the connection was for the discharge hose!  It had no grooves and it was less than a quarter of an inch to connect the hose.  I never understood how could anyone design something so positive to fail.  Not to mention gallons of water flying all over a running enormous motor!


I have heard a few talking about the first run of these DD that had an issue with the wash arms syncing up and how it would cause an unbelievable racket.  Is this true?  



Post# 821920 , Reply# 25   5/3/2015 at 19:25 (1,240 days old) by electronicontrl (Grand Rapids, MI)        
Wow!! You've got an original

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What fun!! I love it!
Next find the WP600 portable for your collection.
I'm a Maytag dishwasher fan for life.

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Post# 838724 , Reply# 26   8/30/2015 at 13:03 (1,121 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        
Just picked up a

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NIB/MIB Jen Aire RR of similar vintage. I think this one is a '79-'80 year model, haven't cut the box yet though.


We had the TOL Maytag '79 absolutely loved that machine, what a cleaner it was.



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Post# 838725 , Reply# 27   8/30/2015 at 13:35 (1,121 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        
Is the JetClean II a

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WP model machine??



Post# 838726 , Reply# 28   8/30/2015 at 14:33 (1,121 days old) by appnut (TX)        

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No, it's a Maytag.  All Maytag. 

Post# 838727 , Reply# 29   8/30/2015 at 14:41 (1,121 days old) by PhilR (Quebec Canada)        

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Now show us what hides under that box!!

Post# 838736 , Reply# 30   8/30/2015 at 16:12 (1,121 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        

jetcone's profile picture

was the JetClean II the one with the all polyprop. self cleaning filter?? Or was that an even later interation than the WU900?



Post# 838745 , Reply# 31   8/30/2015 at 17:51 (1,121 days old) by toploader55 (Massachusetts Sand Bar, Cape Cod)        

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And where is this one going ? To the Cape ?

Post# 838749 , Reply# 32   8/30/2015 at 18:08 (1,121 days old) by appnut (TX)        

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Jon, I think this is really a tall tub model.  Could be the last of the real Maytags before the WP acquisition.  I've seen a manual for a JennAir Jetclean II that had a copyright of 2004 or 2005. 

Post# 838768 , Reply# 33   8/30/2015 at 20:44 (1,121 days old) by combo52 (Beltsville,Md)        

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It looks to be an older MT style DW, probably a RR machine with all that nasty Fiber-Glass insulation on it.


Jon it might be just as bad as that TOL MT RR DW you had at the cape.

Post# 838774 , Reply# 34   8/30/2015 at 22:14 (1,121 days old) by appnut (TX)        

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I don't think the moniker "JetClean II" came along until the redesigned dishwasher that put loading in the traditional arrangement rather than RR. 

Post# 838783 , Reply# 35   8/31/2015 at 00:16 (1,121 days old) by gansky1 (Omaha, The Home of the TV Dinner!)        

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I saw the ad before Jon went to get it, the picture was the reverse rack model.  Porcelain tub, belt-drive, etc.


But who knows what's in THAT box?  Could be a NIB Jenn-Air reverse-rack, or it could be...

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Post# 838792 , Reply# 36   8/31/2015 at 04:54 (1,120 days old) by appnut (TX)        

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Yes, GE did source low-end JA in the late 1980s early 1990s. 

Post# 838797 , Reply# 37   8/31/2015 at 06:52 (1,120 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        
Kerrssslapppp ! By DIRECT DRIVE TO -- M.S. !!!!

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I know its  a RR belt drive. I've seen its sister who was put into service, and I'm going to go back and get her too!


Just gotta cut the box today and get the model##.


Eddie one of them is headed to the Cape, I refuse to live with one dishwasher!!




Post# 838950 , Reply# 38   9/1/2015 at 05:13 (1,119 days old) by toploader55 (Massachusetts Sand Bar, Cape Cod)        

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Nothing like 2 dishwashers. I have the KDS 20 right now which is a built in. Then I use one of my portables as the Daily Driver.

I use the 20 for overflow on Prep Days, Baking or just plain old "Got a lot of stuff to wash".

Having a Galley Kitchen, I need the portables right from the get go for Counter Space. Speaking of portables, I need to swap out something today. The KenWhirl has been in service for a year now. Usually I swap out every month or so.
I like the Heated Dry of the KitchenAids for the Hydration bottles I take to the gym. I can wash them in the lower rack without worrying about damaging them with the heat element from the KenWhirl. However the placement in the Lower rack not near the element works fine too.

Ooops Hi Jacking... Sorry. I look forward to cooking at the Chatham house with the New RR machine. Will the KitchenAid stay ?

Still want to pick up the next RR that I find just to experience a RR. There is one in Southwest Florida I have my eye on. I may have to grab it if it's still around in November when I head down with my Dad's Car.

So... Where are the Pics of this New Find ? Do I have to drive up to the Rose to see him ??? Hmmm ??? I am off today ya know... LOL

Post# 839262 , Reply# 39   9/2/2015 at 17:09 (1,118 days old) by nmassman44 (Boston North Shore Massachusetts)        

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It's funny I always thought that Maytag/JennAire dishwashers didn't come out until the mid 80's for some reason. So Jon that dishwasher was never used ? I have always loved those reverse rack dishwashers by Maytag.

Post# 839275 , Reply# 40   9/2/2015 at 18:09 (1,118 days old) by bwoods ()        
wonderful machines!

Yes. 1969 was the beginning of the Maytag RR. Great performers, quality built and engineered to be a premium machine. The engineers started from scratch and challenged the preexisting dishwasher design paradigms of the day. No wonder they are so popular with the members!!

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