Braun M1000 gearbox Replacement

Put the mixer in a vise as shown in picture and gently press it. You can use plastic vise jaws to avoid scratching the case.

Increase the vise pressure and pull the handle until it pops out. It is important to apply the correct pressure to release the plastic hooks.

Unlock the gearbox cover using a T15 torx key

Remove the gearbox cover by pressing it as show in the picture

Pull the central gear to remove it from the crankshaft. In the picture you can see the crack in the gear that was causing excess noise.

Replace the gears with the spare parts. The central gear needs to be inserted with some force on the crankshaft. A small hammer can be used to get the central gear in place.

Put the gearbox cover back in place with the torx screws.

Push the plastic enclosure back in place. Press gently until it clicks in place.