34
6 Service and maintenance
6.1
Mechanical service
Tensioning toothed belt
See Chapter 3.7.
Checking toothed belt tension
1. Start up door.
Toothed belt may not lift up from the motor gear or skip when braking toward the
open position.
2. If the toothed belt lifts up or skips, increase toothed belt tension:
– Mark motor position at the runner.
– Move motor to the right in 1-mm increments.
Danger of injury from falling hood!
Hood is held by an engaging mechanism and the Velcro strips of the hood mounting
bracket.
➮
The hood may only be set in place and removed by two people working together.
➮
Carefully lower the hood via the hood stay cables when removing it.
➮
When setting the hood in place, always lock the hood and press the Velcro
strips.
Danger of electric shock!
➮
Disconnect the system from the 230 V mains network before working on the
electrical system.
Danger of injury due to impact and crushing!
➮
Secure the door leaves against accidental movement.
➮
Disconnect the battery.
Danger of injury by opened drive!
Hair, clothing, cables etc. can be pulled in by rotating parts!
➮
When working on open drive, be cautious of rotating parts.
•
Keep inside area of runner clean.
•
Three teeth of toothed belt must engage on each side of toothed belt lock.
