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Customer Questions and Answers for Wax Motor Kit by Whirlpool

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    • Part Number: AP4009198
    • MFG Part Number: 12002535
    • Made by: Whirlpool
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For Whirlpool Wax Motor Kit (Part Number: AP4009198)

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What is the function of the wax motor?

Gary for Model Number mah4000aww

ANSWER Hello Gary, The wax motor provides a safety measure to the door lock to prevent the door from opening before the tub has completely stopped it's rotation. Basically a wax motor is paraffin wax in a confined space that, when voltage is passed through it, heats the wax, causing it to expand, pushing the plunger out which activates a linkage which locks the door and tells the control the door is locked by activating the door lock switch. This also explains why the door takes about 3 minutes to unlock because that's the time it takes for the wax to cool and contract which unlocks the door as it pulls the linkage back the other way. 

Answered by AppliancePartsPros.com   |   Tuesday, June 26, 2012

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