Backrest adjustment wheel, removing and installing
Special tools, testers and auxiliary items required
- Assembly tool 3399
Removing
- Turn backrest adjusting wheel - 1 - until one of the adjusting wheel catches can be seen from behind (direction of arrow - A -), use a flashlight, if necessary.
- Insert assembly tool 3399 - 2 - and pry in - direction of arrow - - B -.
- Turn backrest adjustment wheel about 120° more.
- Insert assembly tool 3399 - 2 - and pry in - direction of arrow - - B -.
- Remove backrest adjustment wheel.
Installing
Installation is reverse of removal. Observe the following when doing so:
- If backrest adjustment wheel is too loose after installation, replace wheel.