Prepare Bottom Rear Center Section For Installation - Ar64.20-P-1000-07LWX

Model 253.3 

Model 293 

Courtesy of MERCEDES-BENZ USA

1. Grind mating surfaces on rear center section (1) down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

   Grind mating surface on inside down to bare metal (area A).

2. Remove grinding dust.
3. Coat insides of spot weld flanges with zinc dust paint.

   Do not coat area of plug welds with zinc dust paint (area A).

   Otherwise adhesion problems may occur.