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

MODEL 453 

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

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

   Fig 1: Locating Grind Areas

   Courtesy of MERCEDES-BENZ USA
2. Remove shavings and drill chips with wet/dry vacuum cleaner.
3. Coat insides of spot welding flanges with zinc dust paint.