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Changing a motor controller

Motor controller removal and installation

vario moteur

Difficulté3

Temps1h

04 étapes

The steps

  1. First of all, remove the drive belt as described in Stéphano the mechanic's data sheet, available in the "belts" section: Click here to find out more.
  2. Remove the motor variator by unscrewing the 13 mm screw that holds the variator together, then using a sledgehammer and a suitable piece of wood, tap the large 30 mm nut at the end of the motor variator. The motor drive is conically clamped, and will dislodge itself with the impact.
  3. Now that you've removed your motor variator, you can put it on the workbench, and we'll clean and check it later.
  4. To reassemble the drive pulley, proceed in reverse order of removal.

Cleaning and checking removed components

  • Drive pulley: Remove the bell, remove the 3 weight carriers and check the wear clearance at the ends of the blocks. If they are too worn or if the weight is damaged, replace them. Blow the entire flange half with a welder.
  • Check the axial wear clearance of the upper and lower bearings. Replace if necessary.
  • Check bearing and flange interior.

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