AEG COMPETENCE B8879-4 User Information page 51

Replacing the side rails
1
When inserting the rails, make sure
that the rounded ends of the guide
bars are pointing to the front.
1. To install the rails, first insert the
rails into the holes at the front (1).
2. Swing the rails towards the back
and insert into the holes (2).
3. Re-tighten the screw.
51