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4K5SS KitchenAid Mixer - Instructions

All Instructions for the 4K5SS
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Worn Worm gear. Mixer made a clunking noise and wouldn't turn.
Followed your instructions from the internet and it was a simple fix. Mixer works great again. Thank You ..you made it easy!
Parts Used:
Worm Gear and Bracket
  • Deborah from HUNTINGTON, IN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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SPEED WENT CRAZY, VERY VERY FAST. NO CONTROL AT ALL EXCEPT OFF
INSTALLED PHASE CONTROL BOARD AND SPEED CONTROL PLATE, BOTH AT SAME TIME
Your DYI video was helpful, especially holding the spring with a cloth. Also good for fine tuning to get the speed exact
Parts Used:
Phase Control Board Speed Control Plate
  • Doug from ELKHART, IN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers, Wrench set
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Worm gear was stripped and needed to be replaced
I am not handy, but was able to follow this YouTube video and do this repair easily and successfully: https://www.youtube.com/watch?v=1QsgPIL9FpA

I did take the mixer apart first to verify that the worm gear was the issue, then ordered the part from you site. I received it quickly and was able to do the repair and get back to mixing in a few days!
Parts Used:
Worm Gear
  • Rachael from SEATTLE, WA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
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Hard to knock out pins, and connecting the top to the bottom after repair
watched how to repair
Parts Used:
Worm Gear Transmission Case Gasket
  • Sheldon from RICHMOND, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set, Wrench (Adjustable)
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Won't Run
Found control backplate out of adjustment. Should be nominal 3/8".Broken speed control spring which attaches to backplate bottom.
I recommend Loctite Blue to complement locknut's when adjusting RPM of "Stir" speed
Parts Used:
Motor Brush
  • Angel from JACKSONVILLE, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
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Splash from K45 KitchenAid Mixer Bowl
The shield works sufficiently. Note that the shield is not a continuous circle as shown in the picture. This actually can be an asset because it can be installed or disassembled without stopping the mixer of having to lift the head while running.
Parts Used:
Stand Mixer Bowl Pouring Shield
  • Mark from LEXINGTON, SC
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
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Loud bearing noise in bushing bearing in rear bracket.
The repair guide has understandable text and good photos of how to do a thorough evaluation, disassembly, and reassembly. It is available here,

https://www.manualslib.com/manual/1568451/Kitchenaid-Ksm75.html#product-STAND%20MIXER%20K5SS

I used a clamp type amp meter and calculate watts, 120 volts times amps = watts.
Parts Used:
BRKT-BEARG FOOT
  • Bertrand from LOLETA, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers, Wrench set
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broken spring latch
Unscrew the broken latch; remove it; screw in the new latch. Very, very, very easy to do.
Parts Used:
Spring Latch
  • Mariette from VALPARAISO, NE
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Plastic worm gear gave way (as designed) when the grain mill over-worked it.
I did exactly what the PartSelect video demonstrated after watching other DIY videos on the Internet, thus I did not remove the stand which seemed like a little too much for a simple straight forward repair. This is the second time I have replaced this gear. The first time was about 10 years ago when the bakelite gear broke on a 30 year old KitchenAid K
-45. That mixer made hundreds of loaves of bread after grinding many pounds of wheat berries. The only reason we had to replace it was that it walked off the flour dusted counter and landed on its head when my wife had her back turned. Otherwise we would still be using it. :-)
Thanks for the excellent service and instructions.
Parts Used:
Worm Gear
  • Robert from CEDAR CITY, UT
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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The mixer would not operate so I took out the brushes. Work afterwards but was a little noisy so, considering the advanced age of the machine and after doing research, I decided to replace the worm gear and bracket.
I followed the instructional video linked to my email order confirmation. Partselect provided one of the best how-to videos I've ever seen. With the right tools, a little patience and the video, I had an outstanding repair experience.
Parts Used:
Motor Brush Worm Gear and Bracket
  • Benjamin W. Tice, from El Paso, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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Mixer operarates at high speed only.
Removed old one and replaced with new one.
Parts Used:
Phase Control Board
  • GALO from DECATUR, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Teeth on the gear were worn off.
Took each area apart. Replaced the gear and reassembled it.
Parts Used:
Worm Gear
  • Curt from SHELBY, MI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
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The mixer was given to my wife. Sometimes it would work or not.
When I took the back cover off I found two parts that "could" be the problem. The speed control plate was cracked which explained the spotty working. I ordered both parts and installed them very easily. The parts fit perfectly and resulted in the mixer working perfectly. I can't say enough about the excellent parts. They were perfect.
Parts Used:
Speed Control Plate
  • James from SAINT PAUL, MN
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
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Attachment hub stopped spinning
Used youtube movies to disassemble the mixer and found that the gear was stripped. I kept the screws in labeled ziploc baggies so I wouldn't forget which screws went where. Once the part arrived, it was very simple to replace the gear. I regreased the mixer and then reassembled. The trickiest part was how greasy everything was! It was also hard to get the pin through the beater hub - I found a video that suggested using a very slim screwdriver to thread the hole before inserting the pin. This was the most involved part replacement I've done on my own, and it was very satisfying to get my mixer back in working order!
Parts Used:
GEAR-HUB
  • Sarah from GRAPEVINE, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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stripped worm gear
i disassembled the mixer until i could remove the worm gear; is in a housing that that includes another gear and shaft. make sure you have a magnetic tray to put parts in as you work or you will spend more time looking for parts than reassembling the mixer. once you have the gear housing out you will need a small diameter punch to drive out the pin that holds the gears in the housing(i used a 5/32 transfer punch.) make sure you punch the pin out where it will be caught or you will need to order that part because you will not find it. after knocking the pin out it is just a matter of removing the old gear, putting the new one in, and reversing the steps and getting everything reassembled.
Parts Used:
Washer Worm Gear Transmission Case Gasket
  • dale from AMSTERDAM, OH
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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All Instructions for the 4K5SS
106 - 120 of 218