4KG25G7XOB4 KitchenAid Mixer - Instructions

removed top housing, removed gear housing cover, removed all gears, cleaned out all grease, obtained gears and new housing cover, fit all gears in housing, filled with grease and put on housing cover.
Reassembled mixer.

The repair was easy, I only had to order new gear assembly parts and to replace the associated worn parts (shaft, pin, and gears).

Just followed the video.amazing!!got my kitchen aid back.

Skewer the screw in with my fingers,

Fast

Thank goodness for YouTube. Pretty much followed the process of taking it out. Was easy, but having a video made it a bit simpler.

using Phillips screw driver, remove 5 screws - take off cowl (cover)l. remove 2 screws holding speed control assembly
unplug old speed control assembly (4 plugs) and plug in new speed control unit - reassemble cowl .

Remove covers, open gear box, remove lock ring and gears to deterime which gears were bad. Remove old grease, install new gears and pack with new grease.

replace worm gear

so easy to remove the switch. I first marked the wires, 1-2-3-4 and then removed them from the old switch. removed the old switch and replaced with the new one and plugged in the wires as per markings. tried it out before replacing the top and it works perfectly. no longer timid about effecting repairs on my own. the diagrams on the website were a great help. this is a great company to do business with. part was here in 3 days.

Unplugged wires from old switch, plugged them into the new switch. The new Switch have the mounting brackets in different places from the old one. Be sure to match up the numbers by the posts with the correct wires

Unscrew the top and remove it , 4 more screws to remove the top of gear box , wipe out the old grease , lift the gears , but to remove the center gear you need a special narrow tip plier to remove the snap ring . Changed the center gear , apply new food grade grease and with reverse order putting back all remaining parts . Worked fine .

Took off all the screws to open the mixer and install the new parts.

REPLACE SPPED CONTROL SWITCH

When I ordered a replacement assembly, I was sent a "new" replacement. As I had read up on your site to number the 5 wires BEFORE I removed them, this was a great idea. The new assembly was wired differently than the original board. Although no install instructions came with the new part, it was just a matter of connecting the NUMBERED wires to the new configuration. The first time I fired it up after plugging everything in, nothing happened! I removed all the plug-in wires and reinstalled to ensure I had not gotten a tight connection because of the plastic covers over the end connectors. On my second try, everything worked as advertised! VIOLA!!!! It was a bit tough because of the tight spaces within the motor housing and the new wire routing. Just take pictures of the area BEFORE you disconnect anything and you should do o.k., since I did. 20 minutes.