BACKREST ADJUSTING WHEEL
Special tools and workshop equipment required
Scheme 30
- Assembly tool 3399
Removing
Scheme 31
Turn the backrest adjustment wheel -1- until a locking mechanism is visible from behind -arrow A-. It may be necessary to use a flashlight.
Hook in 3399 -item 2- and pry in -direction of arrow B-.
Turn backrest adjustment wheel -1- about 120° more.
Hook in 3399 -item 2- again and pry in -direction of arrow B-.
Remove backrest adjustment wheel -1-.
Installation
Installation is reverse of removal, but note the following
Hand wheel must be pressed on until it audibly engages.
Note. If the hand wheel for backrest adjustment sits loosely on the adjustment shaft, the hand wheel for backrest adjustment must be replaced.