P65.20-2638-09
1 Grind mating surfaces on rear roof frame (1) down to bare metal in the cross-hatched areas.
Grind spot weld flanges down to bare metal on both sides.
2 Coat insides of spot welding flange on rear roof frame (1) with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas F1 and F2).