Remove Inner Part Of Rear-End Center Section - Ar64.20-D-1121-01TS

Model 907.6/7 

Additional information can be found in the superordinate service document.

The safety information in the superordinate service document must be observed.

The following operation steps are shown for model 907.633.

1. Model 907.6/7 Remove soundproofings (2).
2. Expose spot welds at rear-end center section inner part (1) (areas A, B, C, D, E and F).

   Commercially available devices/tools 

   Rotary wire brush

3. Cut off spot welds at rear-end center section inner part (1) (areas A, B, C, D, E and F).

   Commercially available devices/tools 

   Spot weld milling machine

4. Expose weld seams at rear-end center section inner part (1) (areas G, H, I, J, L₁ , L₂ , M₁ and M₂ ).

   Commercially available devices/tools 

   Rotary wire brush

5. Cut weld seams at rear-end center section inner part (1) (areas G, H, I, J, L₁ , L₂ , M₁ and M₂ ).

   Commercially available devices/tools 

   Straight grinder

6. Mark separating point on rear-end center section inner part (1) (area K).

   Observe dimension (A).

7. Cut rear-end center section inner part (1) at separating point (area K).
8. Expose spot welds at rear-end center section inner part (1) (areas N and O).

   Commercially available devices/tools 

   Rotary wire brush

9. Cut off spot welds at rear-end center section inner part (1) (areas N and O).

   Commercially available devices/tools 

   Spot weld milling machine

10. Mark separating point, as shown, on rear-end center section inner part (1) (area P).
11. Cut rear-end center section inner part (1) at separating point (area P).

    Do not cut too deeply. Otherwise the components underneath will be damaged and strength will be impaired.

    Commercially available devices/tools 

    Body power jigsaw

12. Remove damaged rear-end center section inner part (1).

    Do not cut too deeply.

    Otherwise the components underneath will be damaged and strength will be impaired.

    Commercially available devices/tools 

    Body power jigsaw

13. Grind mating surfaces down to bare metal in cross-hatched areas and around hole.

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

    Commercially available devices/tools 

    Rotary wire brush

14. Remove shavings and milling chips.

    Commercially available devices/tools 

    Wet and dry vacuum cleaner

15. Zinc dust paint to insides of spot weld flanges.