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PartSelect Number PS138556
This bi-metal detergent cup repair kit comes with everything you see here. It allows the detergent cup cover to clip into place and then snap open when the bi-metal receives the correct signal from the dishwasher, releasing detergent into the dishwasher.
The repair was fairly simple. The hardest part was figuring out if this was the part I needed or not. After studying the inerds of the dishwasher door and the detergent cup mechanism, it seemed like this part would do the trick. Here's how the mechanism works . . . the plastic stopper at the end of the bi-metallic strip latches the detergent cup in place. If these strips are bent away from the spring mechanism / plastic cam enough, the stopper will not latch on the cam (as was the case with mine). So, I needed to replace the bi-metallic strip. This part comes along with a new cam and spring.The actual replacement of the parts is simple. The parts come with pretty good installation instructions. Good luck . . .
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followed the scematic on the wesbite that i used to i.d. the repair part needed. removed the front door outside cover (8 screws) removed the bi-metal switch (2 screws), did not need to replace the door latch or spring. replaced the switch and the front door cover and ran the dishwasher to test the new switch. worked fine and has been working fine.
1. Removed the four screws to remove the door front.2. Removed the six screws to remove the detergent cup.3. Replaced bimetal strip, cam, and spring. (simple task)4. Replaced gasket and seal.5. Replaced detergent cup.6. Replaced door front.
Typically when the detergent is not being despensed during the wash cycle, the bi-metal switch is bad (they don't tend to last forever). I took the 4 lower screws out from the inside of the dishwasher door,, unscrewed the bi-metal switch, and screwed in the new switch. I also decided to replace the metal spring for the dish as well, which took the majority of the time. Once you get the idea of how that spring is wound in there, the install goes pretty quickly.
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