Installing Roof Outer Skin
Clean all bonding surfaces on vehicle and on new part with cleaning agent R1.
Apply adhesive in areas (1).
Apply sealant in areas (1) analogously to Series.
Apply adhesive in areas (2).
Apply a little more adhesive to nodes (3) of A-pillar.
Place roof outer skin with helpers evenly and centrally on vehicle.
For positioning, set up roof drip moldings and windscreen.
Mount roof pliers (1) and secure with tensioning strap (2).
Secure roof outer skin in area (1) with screws and nut until the adhesive has cured.
(2) Roof pliers with tensioning strap.
In area (1) rivet roof outer skin with 7 N4 punch rivets.
Set punch rivets in corners starting at a distance of approx. 200 mm.
Use 6 punch rivets N4 in area (2).
Adapt step (1) between roof outer skin (2) and A-pillar with emerging adhesive.
Remove excess adhesive.
Do not leave any traces of sharp edges as this could compromise the tightness of the subsequent bond.
Operation is described on the left side. Right side identical.
Fit an EMC SCREW after adhesive has hardened in area (1).
In so doing, bear in mind subsequent fitting of roof trim strip!