Question about Whirlpool Ultimate Care II LSQ9564J Top Load Washer
Need to know what you are referring to as the top. Do you mean the lid or the chassis top.
The actual top section is bolted from the inside.
Posted on Jan 02, 2008
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this does not apply only to Kenmore brand machines, the 970 is manufactured by Frigidaire but to many others a s well.
I do not believe the 'rot' of the spider is galvanic corrosion but what is know as pitting or chemical corrosion.
Aluminium, and its alloys, are corroded when immersed in an aqueous solution with a pH value below about 4.0 (acidic) [nitric acid is a well known exception] or above about 8.0 (alkaline), most laundry aids, detergent including HE detergent, borax, bleach (sodium hypochlorite), sodium carbonate (washing soda), sodium percarbobante (found in Affresh and OxiClean [powder]), sodium hydroxide, Affresh and OxiClean can have pH values above 8.0 should the required concentrations be reached. At the normal operating levels found in washing machines these values are not exceeded. However when the machine is shut down any water remaining will contain, inter alia, soil from the laundry, products of the interactions between the soil and the laundry aids used, unused laundry aids, and the chemicals found in the tap water. As the water from this mixture evaporates the concentration of the 'impurities' rises until such time as a 'smelly sludge' develops and/or a pH level above about 8.0 is reached and corrosion occurs.
Prime areas for these deposits to occur are, in my opinion, the recesses found at, or very near, the hub of some of the aluminium alloys spiders found in front load washing machines. The final spin, no matter how fast, will not, in my opinion, remove all the 'water' from theses recesses.
To view a corroded spider (not to the point of catastrophic failure) and one with a build of 'smelly crud' please visit: -
These spiders were removed from Frigidaire built 'Kenmore' machines.
To see fractured spiders from Frigidaire built machines, Whirlpool 'Duets' and other manufacturers' please visit: -
Or, for a Whirlpool spider
Not all manufacturers use spiders with recesses, Speed Queen do not (Speed Queen call them trunnions) and photographs at: -
show Miele spiderss without recesses. There may be others.
Should corrosion of the spider have occurred it is also my contention that it is highly likely that the principal product of this corrosion, aluminium oxide, will harbour 'water', as described above which, in time will turn foul smelling.
Additionally the main product of the spider corrosion is aluminium oxide, the same hard, abrasive material used as the 'grit' for some 'sandpapers. I believe that should some of this get into the wash water the soft lips of the spider shaft seal will not survive very long and once the seal has failed water an the aluminium oxide will get into the bearings and it is goodbye bearings.
There is a good paper on galvanic corrosion at: -
and a good, one page paper on what the author calls 'micro galvanic corrosion', I grew up calling it 'pitting corrosion'.
Apr 14, 2009 | Washing Machines
Jan 23, 2009 | Kenmore 24032\24036 Top Load Washer
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