Prepare mating surfaces on vehicle for rear longitudinal member - AR64.20-P-1200-34GZ

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1002-02A	Hole punching pliers, dia. 7 mm
WH58.30-Z-1001-03A	Round wire brush, braided, dia. 70 mm

WORKSHOP EQUIPMENT

WE58.40-Z-1001-03A	Drill (electric/pneumatic)
WE58.40-Z-1004-03A	Body saw (electric/pneumatic)
WE58.40-Z-1005-03A	Wet/dry vacuum cleaner

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-07A	Zinc dust paint suitable for spot welding	A 000 986 34 42

Fig 1: Identifying Mark Cutting Points In Area AF

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

1. Mark cutting points in area AF and cut.
2. Punch marked points for in area AI.

   Use dia. 7 mm hole punching pliers.

3. Grind mating surfaces down to bare metal n in shaded areas I, M, N, O, P, AH, AI, AJ, AK, AL, AM and AN on one side.
4. Grind mating surfaces in remaining shaded areas on both sides.
5. Remove grinding and cutting chips with wet/dry vacuum cleaner.
6. Coat insides of spot welding flange and area AF (except areas I, M, N, O, P, AH, AI, AJ, AK, AL, AM and AN) with zinc dust paint.
7. Grind mating surfaces down to bare metal in shaded areas AO, AP and AQ on one side.
8. Grind mating surfaces in remaining shaded areas on both sides.
9. Remove grinding and cutting chips with wet/dry vacuum cleaner.
10. Coat insides of spot welding flange (except areas AO, AP and AQ) with zinc dust paint.
    Fig 2: Identifying Grind Mating Surfaces to Bare Metal In Shaded Areas AO, AP And AQ

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.