Thread Number: 88323  /  Tag: Vintage Automatic Washers
Maytag designs
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Post# 1128899   9/17/2021 at 10:31 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        

Hello everybody, I have become fond of the Maytag design washers as of recently. I have used a Maytag orbital drive on my dorm to wash a load of clothes. How does the drive system look on the commercial version? What made these older designs last so long?
What weight of oil did Maytag use in their transmissions? I am talking both the pitman and orbitals. Inquiring minds want to know. I never thought that I'd personally use the Maytag. I believe they had the sark fin on the commercial units. Please correct me.





Post# 1128913 , Reply# 1   9/17/2021 at 14:08 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
Maytag orbital oil

Here's the oil for the Maytag washer. What weight is it? Is this what they used in their pitman and orbital transmissions?

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Post# 1128915 , Reply# 2   9/17/2021 at 14:28 (949 days old) by qsd-dan (West)        

qsd-dan's profile picture

I don't believe Maytag ever announced the thickness of their oil; It was sort of a guarded secret for whatever reason. The stuff used in pre 1975 transmissions was pretty darn thick. My guess would be somewhere in the neighborhood of 140 using gear oil rating specs (motor oil and gear oil do NOT share the same ratings). The newer oil used in later pitman transmissions and Orbitals seems to be a tad thicker than conventional 90 weight oil, around the 100-110 weight mark. Those are my personal opinions, not facts.


Post# 1128929 , Reply# 3   9/17/2021 at 16:58 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
maytag commercial dependable care

What agitator did the commercial units use? I like the sound of the agitation with the rhythmic sound of the transmission during agitation. I notice that it doesn't do the clunking like whirlpool does during agitation. I would've assumed that Maytag used the heaviest gear oil.
Which other competitors did?


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Post# 1128930 , Reply# 4   9/17/2021 at 16:59 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
design competitors

What did Maytag think of their competitors?

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Post# 1128945 , Reply# 5   9/17/2021 at 21:48 (949 days old) by cfz2882 (Belle Fourche,SD)        
a little random info

Earlier pittman trannys used straight-cut gear teeth,while the later used helical cut teeth-don't know when the change was made.I think the Orbital tranny started with 1989 production.

Post# 1128951 , Reply# 6   9/17/2021 at 22:29 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
maytag a9900 agitation

What is the agitation like on the a9900? I saw a video of the Maytag digital washer from 1991. I wish I could see it going through a regular cycle with a full load of light colors if swestoyz still has this unit.

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Post# 1128952 , Reply# 7   9/17/2021 at 22:31 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
Wrong video.

Wrong video. That was their rival. Let's try this again.

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Post# 1128953 , Reply# 8   9/17/2021 at 22:40 (949 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
oil by maytag

What weight of oil did Maytag use in their dependable care washers?

Post# 1129044 , Reply# 9   9/18/2021 at 18:25 (948 days old) by goatfarmer (South Bend, home of Champions)        

goatfarmer's profile picture

already been answered

What weight of oil did Maytag use in their dependable care washers?

Post# 1129047 , Reply# 10   9/18/2021 at 18:49 (948 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
Helical Cut Gears In Maytag Transmissions ???

combo52's profile picture

Neither the pitman or orbital transmissions had any helical cut gears ever., they all used straight cut gears.

 

John L.


Post# 1129087 , Reply# 11   9/19/2021 at 11:51 (947 days old) by robbinsandmyers (Conn)        

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Imagine how silky smooth/silent a Maytag pitman trans would have worked with bevel gears though? Ooh la la!

Post# 1129156 , Reply# 12   9/20/2021 at 13:49 (946 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
maytag transmission noise

I notice the Maytag transmissions don't do the thunka thunka thunka thunka noise during agitation unlike GE and whirlpool. Thanks for answering the question of the Maytag gear oil. I could've sworn it was 140 weight oil (34 ounces of it.) This may be why these machines last so long.

Post# 1129205 , Reply# 13   9/21/2021 at 10:30 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
pump aerating

Why do the pumps on these Maytags and Whirlpools do that aerating noise during agitation? What is the point of that? I have noticed that on these 2 brands, while others don't, including GE.

Post# 1129211 , Reply# 14   9/21/2021 at 12:51 (945 days old) by d-jones (Western Pennsylvania (Pittsburgh Area))        
I can't speak to the sounds Whirlpool washers make,

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but on the Maytag washer the pump is running in reverse while the machine is agitating. That's likely the source of the sound you're hearing.


Post# 1129216 , Reply# 15   9/21/2021 at 14:19 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
pump running during agitation

I did notice that on Maytag orbitals as well as the whirlpool direct drive. What was the point of that?

Post# 1129221 , Reply# 16   9/21/2021 at 15:23 (945 days old) by d-jones (Western Pennsylvania (Pittsburgh Area))        
There's no way to disconnect it.

d-jones's profile picture

The belt that drives the pump is driven by the same motor pulley that drives the transmission belt. When the motor reverses and the spin cycle begins, the pump turns in the correct direction to empty the water out. When the motor rotates in the forward direction, the transmission agitates and the pump harmlessly rotates in reverse. The idea was to keep things simple.


Post# 1129222 , Reply# 17   9/21/2021 at 15:43 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
pumps

It's interesting how these pumps were able to do this. I could've sworn Whirlpool did this too. I could've sworn I heard air flowing through the pump on a whirlpool direct drive and Maytags as well on their dependable care units.

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Post# 1129225 , Reply# 18   9/21/2021 at 15:51 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
whirlpool

Here's the whirlpool.

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Post# 1129226 , Reply# 19   9/21/2021 at 15:55 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
older whirlpool

Here's the older version. I believe this was Maytag's rival. I could've sworn their pumps aerated like their maytag rival did.

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Post# 1129241 , Reply# 20   9/21/2021 at 18:42 (945 days old) by DADoES (TX, U.S. of A.)        

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Jerome,

Whirlpool direct-drive and Maytag, the pump essentially is the same function.  One pumping chamber, think of it as U-shaped.  The tub outlet hose connects to one end of the U.  The drain hose connects to the other end.  The Maytag pump is a little different shape but it functions the same.  Water flows from the tub outlet into the pump.  The impeller is driven either clockwise or counterclockwise accordingly to which direction the motor is running ... agitate direction or spin direction.  There's no way to disengage the pump from running whenever the motor runs on either type of machine.  Agitate direction the impeller pushes the water back up into the tub.  Spin direction it pushes the water out through the drain hose.  Air can be pulled through the drain hose in the agitation direction and generate a cavitation noise, along with the impeller pushing the water up into the tub.  Whirlpool had a rubber flapper valve on the pump outlet port for some models (KitchenAid for example) that closed it against sucking air to lessen the noise.


Post# 1129251 , Reply# 21   9/21/2021 at 20:48 (945 days old) by GELaundry4ever (Nacogdoches, TX, USA)        
dadoes

Thank you for confirming what I suspected. Maytag Centennials did the same thing. Their designs are ingenious. It seems Whirlpool was ahead of their time with the direct drive system. Maytag followed suit as far as the fast action agitation is concerned, along with GE.


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