D64.10-1250-09
1 Mark position of bracket (3) on adjacent profile (4).
Only left rear wall (1).
2 Drill out rivet (6).
Only left rear wall (1).
3 Remove bracket (3).
Only left rear wall (1).
4 Drill out rivet (5).
5 Saw out rear wall (1) along adjacent profiles (4) at a distance of 15 mm.
Do not damage adjacent profiles (4).
6 Remove rear wall (1) from outside.
7 Remove remaining pieces on rear wall (1) from adjacent profiles (4) with suitable tool.