How to replace the gearbox of the drum motor W15A
1.- First remove the 4 bolts in every corner of the roof.

2.- Remove the 2 imbus bolts on top of the isolated pipe. This prevent the isolated pipe from moving.

Now you can remove the isolated pipe from the machine. First pull the top part of the isolated, after that you can pull out the bottom part and take out the whole isolated pipe from the machine.

4.- Loose the M10 bolt from the drum motor, now you can slide of the motor from the axle of the drum.

5.- Now remove all the screws surrounding the motor to separate the gearbox from the motor.

Once the gearbox has been replaced, you can follow the same procedure to reposition the drum motor.