Cut Off Rear End Center Assembly - Ar64.20-P-1000-02MFC

Model 118 

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

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1. Remove six threaded pins for attachment of crossmember.

   

   Replace six threaded pins.

2. Expose spot welds on rear center section (1) and cut out (areas A).
3. Expose spot welds at rear-end center section (1) and drill out with Ø 6.5 mm (areas B).
4. Expose spot welds at rear-end center section (1) and drill out with Ø 6.5 mm (areas C₁ and C₂ ).

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5. Heat rear center section (1) in crosshatched area.

   

   Cross-hatched area is bonded.

6. Remove rear-end center section (1).

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7. Grind mating surfaces down to bare metal in cross-hatched areas.

   

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

8. Grind off mating surfaces on inside in cross-hatched areas (areas E).
9. Remove grinding dust and drill chips.
10. Apply zinc dust paint to insides of spot weld flanges onto connecting flanges that are no longer accessible after installing side roof paneling.

    Do not coat bonding surfaces with zinc dust paint (areas D).

    Otherwise adhesion problems can occur.

11. Apply zinc dust paint to insides of mating surfaces in cross-hatched area (areas E).

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12. Grind mating surfaces in the cross-hatched area down to bare metal on the inside.
13. Remove grinding dust.
14. Apply zinc dust paint to insides of mating surfaces in cross-hatched area.