5KSM185PSBPH4 Whirlpool Mixer - Overview

My girlfriends' stand mixer failed when the accessory drive cap fell into the mixing bowl and jambed the beater, spliting the worm gear. The teeth on this gear are made of nylon and are molded to an aluminum center. This part is designed to fail in situations like this, saving the more expensive transmission parts. Following a repair manu ... Read more al I found online, I first removed the rear cover and pulled out the cord strain relief out from the base. Next I removed the drip cup from around the base of the planetary drive. I then used a pin punch to drive out the pin holding the planetary to the center shaft and removed the planetary. The unit was then inverted and I removed 4 screws holding the bottom cover to the gear case, and the 5 screws from around the planetary drive. The bottom cover was then lifted off. Three screws holding the worm gear bracket in place were then removed and the worm gear assembly lifted out. A small pin holds the worm gear to the shaft. I drove this out with a small pin punch and the shaft and worm gear were then removed. There is also a thrust washer on this shaft, and it's location is important. Make a note for re-assembly. The new gear was installed and the entire process reversed for re-assembly. A successful repair completed! My girlfriend would have replaced this $200 appliance, but I was able to repair it for less than $30 including shipping.

I removed screws in a sequence that I felt wouldn't further damage the mixer until I had it completely unassembled. When I found the broken worm gear, I went online to find a part. I found an exploded view, but the part numbering was old, and the salesperson couldn't tell me what the worm gear and bracket assembly consisted of, as I only ... Read more wanted the worm gear. After trying to drive the pin out of the assembly, and failing, I decided to back online and see if anyone else had a photo of the assembly. Luckily (and wisely) PartSelect,com did and that answered any questions I had. The price was better, too. Reassembly of the mixer was a cinch with the exploded view. It's working like new, and we're hoping for another 35 years of service from it! Thanks.

I removed the rear cap, decorative strap, and decorative ring. Next I drove out the pin holding the mixing head. I then removed the 9 screws holding on the motor/gearing portion. This facilitated removal of the gearing from the motor assembly. I next laid in the new gears and calculated what thickness of fiber washers were needed to h ... Read more old the gears in place. Reassembly was in reverse order of dissassembly.