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4KSM90PS7OB0 KitchenAid Mixer - Instructions

All Instructions for the 4KSM90PS7OB0
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replace burnt power cord
First I removed the back cover, two wires just unplugged and one wire I had to remove a screw, then put on the new wire, plug the two screws on, screw on the third wire and put the cover back on.
Parts Used:
Power Cord
  • Richard from Alliance, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
13 of 17 people found this instruction helpful.
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needed a new beater since old one was chipping and had coating flaking off.
Looked up part replacement, ordered on line. Found part easily and waited anxiously for new part. I wanted to make cookies for the holiday season. Received part quickly, opened up packaging, put on mixer and I was back in business. Thanks so much for an easy fix. I also was pleasantly surprised at how cheap the replacement part was. Thank you, thank you for allowing me to get a new part with ease and continue to use my Kitchen Aid mixer.
Parts Used:
Flat Beater
  • Sandra from Reynoldsburg, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
13 of 17 people found this instruction helpful.
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my Kitchen Aid mixer had one speed - HIGH!
I actually didn't do the repair. I asked a friend who was a carpenter about what he thought was wrong with my mixer since it only had high speed which made mixing flour a snow storm. He said when his tools do that, it's the brushes. He ordered new ones and presto - my mixer works marvelously. He saved me from dumping a good mixer and $$$$$$$.
Parts Used:
Motor Brush
  • Darcy from Eyota, MN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
14 of 21 people found this instruction helpful.
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The mixer got a wad of dough between the pan & beater and stopped.
Once I looked at the schematic I was prtty sure what the problem was and what I needed to repair the problem. It was reltively easy to disassemble the mixer and immediately saw that I was correct in what was needed. I ordered the parts. They came through with no delay. It took almost as long to find all of the parts as it was to do the repair. In all it took about a half hour to repair, put it together and clean everything up. It works just like new.
Parts Used:
Worm Gear and Bracket Transmission Case Gasket
  • Charles from Bowie, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Wrench (Adjustable)
11 of 12 people found this instruction helpful.
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broken thumb screw
remove the old screw and screwed the new part in place. I like your link because it shows a picture of the fixture and you can find the part you need real easy. Will order from you again when I need it.
Parts Used:
Thumb Screw - Black
  • Kathleen from Silvis, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
12 of 15 people found this instruction helpful.
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broken worm gear
just took the unit apart and replaced the worn gear and bracket . Then took the old worn gear and bracket apart and replaced the worn gear . Then put the assy back together and now I have a spare
Parts Used:
Worm Gear Worm Gear and Bracket
  • robert from sun valley, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
12 of 17 people found this instruction helpful.
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I broke the motor brush when I was taking my mixer apart for some serious cleaning
unscrewed the screw holding the old brush. carefully removed the spring and old broken brush. we did have some of the old brush left inside, so my husband used a very thin drill bit to break it up. then carefully inverted the stand mixer to allow the broken pieces to fall out. then we were able to install the new brush. works great. yeah!!
Parts Used:
Motor Brush
  • Veronique from Loganville, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
12 of 18 people found this instruction helpful.
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broken gear
remove 6 screws for top of unit, remove gear assymble (23 screws), reassmbly and test it works great
Parts Used:
Worm Gear and Bracket
  • angelo from palm coast, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
9 of 9 people found this instruction helpful.
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gear was stripped , head wouldn;t turn
We followed the you tube instructional video. It was excellent with good advice that kept us out of trouble. My mixer works like new again.
Parts Used:
Worm Gear and Bracket
  • Joan from Nokomis, FL
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
9 of 10 people found this instruction helpful.
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The 5 feet on my Kitchen Aide, had worn out
Took the old feet (5) off and put new on the Kitchen Aide, looks great. Stands high and your assistance on the phone, was so appreciated.
Parts Used:
Foot
  • Beverly from Post Falls, ID
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
8 of 9 people found this instruction helpful.
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Moter would run, but nothing would turn
first removed the dress ring by tapping it very gently.then drive the pin out that holds the beater plate on, now wiggle it off, then you can see the screws that hold the gear reducer on. remove them. take that off and you will see the housing that hold the worm gear. remove the 3 screws that hold it down . Now you will have to drive the drift pin out that holds the worm gear in place, slide the shaft out then remove gear. reverse order to assemble
Parts Used:
Worm Gear
  • Curtis from Green River, WY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
8 of 9 people found this instruction helpful.
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Nut Screw Plastic Housing Split that stabilizes attachments on top side of machine
I removed the old screw with a hand tool to avoid injuring my hand. I then used my hand to install the new screw. Piece of cake. Ordering from Part Select was was a breeze. The only minor issue was the part cost $4.33 and shipping was $7.25.
Parts Used:
Thumb Screw - Gray
  • Richard from Bayfield, CO
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
8 of 9 people found this instruction helpful.
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1960s Kitchenaid K45 Mixer Screw Cap Stripped
My early '60's Kitchenaid K45 mixer screw cap/base plate would no longer hold the bowl, so I looked for another. This item, though not an exact replica of the original, fit and works great. The design is better by being more stout than the original. Pretty straightforward installation: remove three screws, take out old base plate, install new plate and screw down.
Parts Used:
Screw Cap
  • Henry from CAMPO, CA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
7 of 7 people found this instruction helpful.
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Stripped gear when I tried to make Pizza Dough
Very messy as there is lots of heavy grease inside the mixer and you have to fish out the blown gear parts. I vary glad I took shop class in High school as it preped me for the job. The machanical drawing you provide were very useful but you should mention the grease.

Mixer works just like new. and I got the parts in two days with standard shipping. Pizza on Thursday and fixed by Saturday
Parts Used:
Worm Gear
  • Patrick from Cupertino, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
7 of 8 people found this instruction helpful.
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wire broke
total replacement
works beautifully
Parts Used:
Wire Whip Mixer
  • Carol from Rochester, NY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
6 of 6 people found this instruction helpful.
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All Instructions for the 4KSM90PS7OB0
16 - 30 of 229