Disassembling KitchenAid Classic Mixer K45SSWH Motor Housing Cover

Written By: Chris Gonzales
  • Comments: 58
Disassembling KitchenAid Classic Mixer K45SSWH Motor Housing Cover

Difficulty

Moderate

Steps

8

Time Required

20 - 25 minutes

Introduction

In this guide, you will learn how to disassemble the motor housing cover.

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    • Using a spudger, gently pry off the aluminum drip ring.

    Unplug the Mixer.

    Mike Reckner -

    Good call! Nobody likes digital trauma

    David Brand -

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    • Using a 4 mm pin punch and hammer, hammer the pin until it is dislodged from the planetary gear cover.

    This should be a 5/32 inch or 4mm punch.

    Patrick Hailstone -

    For mine it is so stiff and I cant put out the pin with hammer

    Omid -

    The pin is not moving: is there any other way of removing it or completing the job without removing it?

    ollver -

    My pin is stuck too, are there any other ways?

    Nabil Baker -

    Can the pin be hammered from either side. It won’t budge

    Sally Stier -

    Just keep at it, mine didn’t budge for a while

    Robert Chauharjasingh -

    No way. I ‘ve tried for an hour and it didn’t move at all. But I ‘ve found a solution. I drilled it out. First with 2mm then with a 3mm drill. Then I could easily remove it. The replace part is a 4mm x ~22.5mm grooved pin (half-length-center-grooved; ISO 8743).

    Zwiebeljack -

    Mine was also stubborn. I laid the machine on the side and sprayed WD-40 in the pin several times. Waited 30 min and then it came out easy.

    Petter Hellevik -

    If you need to buy a pin punch set, get ones with knurled handles (crosshatching of the metal) which are much easier to hold onto. I had to try one side then the other and WD-40 to get it out. Also figure out to how to position the mixer and what lean your hand agains while holding the pin to keep it steady so you can make multiple, accurate strikes.

    When re assembling, when it came to aligning everything, i found using a small pin punch to poke all the way through helped. Then i started in on hammering the pin back in.

    Linda Przybyszewski -

    Can’t get it back in when reassembling. Any ideas?

    Michael Rosman -

    Stick with it guys. You need to hit it harder than you’d think. I actually used a 1.2mm tool steel rood do more energy was transferred from hammer to the pin. Took me about 5 min of much harder hits than I thought needed but once it starts to move it comes out easy. 😄

    Cam S -

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    • Using a spudger, pry the planetary gear cover from the mixer shaft.

    My spudger must have been cheap, it bent, so i wrapped a flat sided screwdriver in a rag instead.

    when reassembling, the alignment can look and feel almost be correct but the shaft wont come out far enough to let you out the pin back in, i needed to take off twice and then it slid in perfectly and everything in the rotation moved much more easily

    Linda Przybyszewski -

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    • Using a flathead screwdriver, remove the five 28 mm front motor housing screws.

    • Using the same flathead screwdriver, remove the two 28 mm locking screws.

    • One of the locking screws contains a safety locking mechanism. Do not interchange these screws with the front motor housing screws.

    Hier Werder mittlerweile Vierkantschrauben in 3/32 Zoll verbaut. Wie bekomme ich die auf?

    Chris -

    Classic Plus uses a square-drive screw. You’ll need #1 size.

    Robert Kyle -

    How do I know which one of the locking screws contains a safety locking mechanism?

    Droopy Dog -

    i need this screws but i don't know what you call and what size?

    angel carmona fuentes -

    https://en.wikipedia.org/wiki/Robertson_...
    3/32 inch is called "#1"

    I bought "Wera 05056478001"

    Bellistor -

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    • Turn your device around. Using the same flathead screwdriver, remove the two 28 mm rear locking screws.

    • One of the rear motor housing screws contains a safety locking mechanism. Do not interchange these screws with the front motor housing screws.

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    • Using a Phillips #2 screwdriver, remove the 10 mm screw from top of back cover.

    • The rear cover is now completely free from the mixer.

    When I removed this, 2 nuts were in there lose. I cannot tell where they came from.

    Nila Tae -

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    • Carefully pull the power cord from the notch in back of the mixer.

    • The motor housing cover is now completely free from the base of the mixer.

    For the KSM90BU model, take a set of needlenose pliers and carefully rotate the plastic clip 90 degrees, then pull the cord out of the notch.

    Charles Lester -

    Had a switch issue where the OFF position was not working. Only required adjusting the gapping with the top, spring loaded screws inside this back. Trying to post highlighted photo.

    Roger -

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    • Lift the motor housing cover from the mixer base.

    • Be sure to place the cover upside-down to prevent grease from leaking out.

    Und wie komme ich nun an den Motor zur Reinigung des Unterbrechers?

    Arbeitsgruppe Dialog -

    ich habw eine 5KSM150, leider lässst sich die Motorabdeckung nicht entfernen, alle vorhergehenden Schritte wurden wie beschrieben erledigt

    kann hier jemand helfen?

    Marius Quaschinski -

    Hi all, for your information: I also have the model 5ksm150 and managed to remove the top of the machine with a lot of effort, wiggling back and forth until it came out. That worked after about 10-15 min :-) Now the good mixer works again!

    Francois -

    Any tips for doing this? It’s very stuck!

    Marina Juarez -

    I cannot remove the housing cover… it is stuck. Any tips?

    Marina Juarez -

    Don’t forget to clean ALL the old lubricant out. Don’t leave any as can contaminate the fresh lube. I recommend rectorseal food-grade anti-seize & lubricant. Happy mixing!

    Cam S -

    How much lubricant should be in the the motor, there is a large amt amt everywhere

    Elizabeth Willett -

    How much grease is normal, I have thick great everywhere

    Elizabeth Willett -

    See KitchenAid Classic Mixer K45SSWH Worm Gear Replacement, step 9. It's really rather thick.

    VauWeh -

    Use a wide flat head screwdriver or stronger special plastic tools (a spudger is too weak) to lift the housing cover carefully. There are several slits between base and cover e.g. the ones left and right where the speed/tilt levers are. Do not do this in the round-shaped front area since there is a (black) sealing (see pictures) you may hurt.

    Bellistor -

Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

Chris Gonzales

Member since: 13/10/14

1582 Reputation

26 comments

Well fine job! Just finished and t works!!!

James Anderson -

Instruccion is exelent but I veleave the problem is electric. can you give aidea. dhe machine does’nt work at all

Aristides Aleman -

Thank you! I'm repainting my white mixer a deep cherry red gloss to match my kitchen. These mixers can last 20+ years, if you take care of them. But, who wants the same color kitchen for that long? Bonus: saved $50+ by painting it the color I wanted, rather than pay the extra for a mixer from the colored choices.

Heather Schrader -

Do the motor housing sometimes become to hard to remove? I followed all the steps yet it still acts as if something inside the housing is keeping it from coming off.

Royce M -

Nothing else, only the planetary assembly, and the 9 big housing screws. Once those are off, it can take a lot of jiggling and persistence, mostly because there’s a vacuum between the vertical shaft and the bushing inside. Remember to loosen the cord in case to prevent yanking it accidentally when the cover comes off.

Ariel Cornejo -

A gentle twist with a blade screwdriver in each of the control knob slots will start the separation.

John Hogg -

Did you ever get the housing cover off? I’m having the same issue! I feel like the grease might have suctioned the cover and is stuck.

Marina Juarez -

Reassembly of motor housing onto base took a bit of patience, as it took a couple of minutes to line up the gears. You need to insert a punch or thin screwdriver in the shaft where you attach your beater or whip. Use the screwdriver to turn the shaft while pressing down gently on the top of the housing. Eventually the gears will align and the housing will lower into place. Then you can insert your fasteners, the planetary, and the planetary pin.

rtresssider -

I followed your instructions and removed the top housing. The inside of my housing has “piles” of jelly like goo (I’m assuming it’s old congealed oil). What should the inside look like? Should I remove this oil? I looks like mushed up prunes. (sorry I couldn’t come up with a better comparison). My machine has been making a very loud humming/grinding noise when I run it.

Renea Ree -

The “goo” is the grease applied during assembly. The tv show “how its made” covered the assembly of these mixers, and they use a substantial amount of grease. Oil, on the other hand, will be thinner, and flow/run/drip. The grease will stay put or move really slowly.

acovert18tgti -

Hi Chris, I’ve tried to remove the pin from the planetary gear cover, but it will not budge. Any suggestions? Thanks

Stephanie Rothschild -

Having the same problem, is there a solution to this?

Clarise Dizon -

I have got the same problem…

Nabil Baker -

A drop of penetrating oil, then tapping on the pin to create vibrations & if needed letting it set (even overnight if need be) should unstick the pin.

ScrappyLaptop -

My model doesn’t seem to have the rear screws shown in Step 5?

Anne-Catherine -

What happens if I didn’t realize there was a locking washer on one of those rear screws and put it back together without it? The video I watched didn’t mention it until I already had the thing all put together again and then I didn’t see any extra washer lying around.. Until my husband found it on the floor… it was a bear getting the pin out of the planetary gear cover.

Liz Rose -

All gears look good—-our Ultra Power unit seems to lose its “grunt” when the cookie dough gets stiff!!

ve5ned -

need to acsess the engine

Eduardo Diaz -

I need to Access the engine

Eduardo Diaz -

how do you replace the lower gear case on a K45 SS tilt? Is it difficult? please advise instructions. thank you

eva b adler -

props to whoever posted this. I used it to get mine apart correctly in less than five minutes. cleaning the grease out took 20 but….still a win

Carl York -

I have a dough hook that is completely stuck on the stem of the mixer. I tried the compress and hot water. No luck. I tried pretty much every online removal method I could find with no luck. I disassembled the chuck and have it off and separate from the machine. I managed to hammer the stem down but still can’t get it to turn so it will release the hook. I ran a punch through the hole at the top of the stem to try to turn it. It broke the punch lol. I’ve tried pb blaster to loosen it and that hasn’t worked. My last two options are going to be boil it and try to turn it, or put the hook in a vice, torch the heck out of the stem, then run a rod through that top hole again and try to turn it with the torch on it. If you have any better advice, please let me know.

joetater7 -

Thank you for your help. It's beyond my ability but interesting to learn about it. At least I'll know what the repairperson is talking about.

Carol Ojeski

Carol Ojeski -

The grease is dark brown and the motor has been smoking I think I have more work to do

Steve -

Great guide. We had to remove the pin where the "dough arm" connects, since there was a plate blocking the removal of the gear cover.

Everything looked fine inside, but the carbon brushes were making big sparks, so now we try to change them.

The problem was, that the mixer would turn on for a few seconds and then turn off again.

Reparations.Konsortiet -

Clear and concise! Got the top off to find that the gear had bent and sheared a bit when trying to shred a bit too much hard cheese at once. A note - a modern stand mixer, steps 4 and 5 use a 2mm square bit.

Dfritz -