Drive Belt: Testing and Inspection

Wartung Motor: Checking Polyrib belt state

NOTE: The rear wall cover and the maintenance cover must be removed for maintenance operations on the belt drive.







1. Remove maintenance cover. To do so, undo the 7 fastening screws and the 2 fastening nuts.
2. Mark belt travel direction with a colored pen.

WARNING:
- Risk of damage!
- Never remove Polyrib belt when warm. The belt would deform and could be damaged.







3. Turn the tensioning roller -7- on the socket wrench (wrench size 27 mm) clockwise and simultaneously remove the belt from the drive pulleys.
4. Visually inspect the condition of the belt and replace it if necessary. Check belt pulley for damage.







5. Install Polyrib belt in the order shown.







6. Twist the tensioning roller -7- clockwise and simultaneously place the belt on the idler pulley -8-. Subsequently relieve the tensioning roller slowly.
7. Visually check whether the belt is correctly positioned on all wheels.







- Refit maintenance cover and rear wall trim. The 7 fastening screws and the 2 fastening nuts are tightened to 10 Nm (7.5 ftlb.).