Separate B-pillar with side longitudinal member - AR63.20-P-0550-01SC

Fig 1: Identifying Spot Welding Areas On Panel (B, C And D)

Courtesy of MERCEDES-BENZ USA

1. Scribe separation line on panel (3) with metal needle template and cut (area A).

   Observe sheet metal panels below; transfer dimension from new part.

2. Expose spot welds on panel (3) and cut (areas B, C and D).
3. Heat panel (3) in crosshatched areas with hot air gun and remove.

   The panel (3) is bonded in the crosshatched areas.

   Fig 2: Identifying Panel Crosshatched Areas

   Courtesy of MERCEDES-BENZ USA
   Fig 3: Identifying Spot Welding On B-Pillar (E, G And H)

   Courtesy of MERCEDES-BENZ USA
4. Expose spot welds on B-pillar (2) and cut out with BTR-Usibor milling cutter (areas E, G and H).
5. Grind open rivet connection on B-pillar reinforcement (4) (area I).
   Fig 4: Identifying B-Pillar Reinforcement And B-Pillar Crosshatched Areas

   Courtesy of MERCEDES-BENZ USA
6. Heat B-pillar reinforcement (4) and B-pillar (2) in crosshatched areas with hot air gun and remove B-pillar (2).

   Crosshatched areas are bonded.

   Fig 5: Identifying Scribe Separation Line On Longitudinal Member With Metal Needle Template Area (U)

   Courtesy of MERCEDES-BENZ USA
7. Scribe separation line on longitudinal member (1) with metal needle template and cut (area U).

   Observe sheet metal below.

8. Expose spot welds on longitudinal member (1) and cut out with BTR-Usibor milling cutter (areas O, S, T and V).
   Fig 6: Identifying Spot Welding Areas On Longitudinal Member (P And Q)

   Courtesy of MERCEDES-BENZ USA
9. Expose spot welds on longitudinal member (1) and cut out (areas P and Q).

   Cut out area P from bottom.

10. Expose spot welds on longitudinal member (1) and cut out with BTR-Usibor milling cutter (areas R, S and T).
    Fig 7: Identifying Spot Welding Area On Inner Longitudinal Member (W)

    Courtesy of MERCEDES-BENZ USA
11. Drill out spot welds on inner longitudinal member with BTR-Usibor drill with Ø 6.7 mm (area W).
    Fig 8: Identifying Longitudinal Member Crosshatched Areas

    Courtesy of MERCEDES-BENZ USA
12. Heat longitudinal member in crosshatched areas with hot air gun.

    Crosshatched areas are foamed and bonded.

    Fig 9: Identifying Inner Longitudinal Member Crosshatched Areas

    Courtesy of MERCEDES-BENZ USA
13. Heat inner longitudinal member in crosshatched area with hot air gun.

    Crosshatched area is bonded.

14. Remove longitudinal member.
    Fig 10: Identifying Longitudinal Member Grinding Areas

    Courtesy of MERCEDES-BENZ USA
15. Grind mating surfaces in crosshatched areas down to bare metal using round wire brush.

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