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Suds Lock

was not confined to 60's KM machines, afflicted ALL KM/WP belt drive machines right up to the end. Don't know about the DD machines, anybody know?
 
I had a KitchenAid TL washer for a year in 1989; no suds lock problem with it. I also had a Whirlpool large-tub washer for awhile in 1984 (belt drive with the winged Surgilator) and I don't recall many suds lock problems with that one, either. Perhaps they'd moved from a 1/3-hp motor to a 1/2-hp by that time----if that makes any difference.
 
Actually, now that I think about it, our 1976 18-pounder had much less trouble with suds lock than did the 1962 standard capacity or any of the other WP/KM standard capacity machines I'd used. Of course by that time, we weren't using high-sudsing detergents (vintage Tide).
 
Suds Lock

Bear with my guy and gals, (remember I'm a newbie). What exactly is a suds lock? As much as I hung around the laundry room of the apartment building I grew up in, I don't ever recall anyone complaining or even mentioning suds lock.
 
I believe suds lock happens when the concentration of suds are so high that they create excess friction between a washer's inner and outer tub - greatly affecting its ability to spin properly.
 
Suds Lock

"I believe suds lock happens when the concentration of suds are so high that they create excess friction between a washer's inner and outer tub - greatly affecting its ability to spin properly."

Exactly.

KM/WP machines only have a fraction of an inch between the inner and outer tubs, unlike GE and some other brands
 
I wouldn't say it's a fraction of an inch. Tolerances aren't that close.

Suds lock also causes a vapor-lock on the pump. Water from the spray rinses can't drain and builds up, adding to the drag.
 

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