P64.20-5356-08
1 Grind mating surfaces on rear center section down to bare metal in crosshatched areas.
Grind spot weld flanges down to bare metal on both sides.
2 Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas A, B, C, D, E and F).
Observe pretreatment of bonding surfaces.