CROSSMEMBER Below Rear Seat Installation - Ar63.40-P-1194-02S

Model 223.0/1/9 

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Countersunk-head rivet (Z) 

• Z₁ = Countersunk-head rivet 6.4x14.0
• Z₂ = Countersunk-head rivet 6.4x15.5
• Z₃ = Countersunk-head rivet 6.4x17.0
• Z₄ = Countersunk-head rivet 6.4x19.0
• Z₅ = Countersunk-head rivet 6.4x21.0

Blind rivet (Y) 

• Y₁ = Rivet 6.4x12
• Y₂ = Rivet 6.5x12.5
• Y₃ = Rivet 6.5x14.5
• Y₄ = Rivet 6.4M6
• Y₅ = Rivet 6.4
• Y₆ = rivet 6.5x13.5
• Y₇ = rivet 6.4x14
• Y₈ = rivet 6.4x17
• Y₉ = rivet 6.4x20

Flow-form rivet with countersunk head (X) 

• X₁ = Flow-form rivet with countersunk head 1.3 mm to 2.5 mm clamping range
• X₂ = Flow-form rivet with countersunk head 2.3 mm to 3.5 mm clamping range
• X₃ = Flow-form rivet with countersunk head 3.35 mm to 4.1 mm clamping range
• X₄ = Flow-form rivet with countersunk head 4 mm to 5.15 mm clamping range
• X₅ = Flow-form rivet with countersunk head 5.0 mm to 6.1 mm clamping range
• X₆ = Flow-form rivet with countersunk head 6.0 mm to 7.2 mm clamping range
• X₇ = Flow-form rivet with countersunk head 7.1 mm to 8.3 mm clamping range

Flow-form rivet (W) 

• W₁ = Flow-form rivet structure with 3.5 mm clamping range
• W₃ = Flow-form rivet structure 3.35 mm up to 4.1 mm clamping range
• W₄ = Flow-form rivet structure 4 mm up to 5.15 mm clamping range
• W₅ = Flow-form rivet structure 5.0 mm up to 6.1 mm clamping range
• W₆ = Flow-form rivet structure 6.0 mm up to 7.2 mm clamping range
• W₇ = Flow-form rivet structure 7.1 mm up to 8.3 mm clamping range

Blind rivet (V) 

• V₁ = rivet 3.2x4.5
• V₂ = rivet 3.2x6.5

Blind rivet (U) 

• U₁ = rivet 3.2x9.5

Blind rivet with countersunk head (T) 

• T₁ = blind rivet with countersunk head 3.0 mm to 5.0 mm clamping range
• T₂ = blind rivet with countersunk head 1.5 mm to 3.0 mm clamping range

The following steps are shown on the left side of the vehicle for model 223.1 and must be performed in the same way on the right side of the vehicle.

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

The graphics show the vehicle from the mechanic's perspective. At the same time, this perspective also prescribes the direction in which the rivets must be set.

1. Install crossmember under the rear seat (1), fit, and fix in place.
2. Drill rivet holes in crossmember under rear seat (1) with Ø 6.7 mm (areas A).

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3. Drill rivet holes in crossmember under rear seat (1) with Ø 6.7 mm (areas B).
4. Drill rivet holes in crossmember under rear seat (1) with Ø 6.7 mm through existing holes in body (area C).
5. Countersink rivet holes in crossmember under rear seat (1) (area C).
6. Remove crossmember under the rear seat (1).
7. Deburr rivet holes in the crossmember under the rear seat (1) and in the body on both sides.
8. Remove drilling chips.

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9. Apply 2-component adhesive to body in cross-hatched areas.

   Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

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10. Apply 2-component adhesive to body in cross-hatched areas.

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

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11. Install crossmember under the rear seat (1) and fix in place.
12. Rivet crossmember under rear seat (1) with Ø 6.3x12.5 rivets (areas Y₁ ).
13. Rivet crossmember under rear seat (1) with rivets Ø 6.5x12.5 (areas Y₂ ).
14. Rivet crossmember under rear seat (1) with rivets Ø 6.5x14.5 (area Y₃ ).
15. Rivet crossmember under rear seat (1) with Ø 6.4x17.7 rivets (areas Y₅ ).
16. Screw in screw (2).

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17. Rivet crossmember under rear seat (1) with rivets Ø 6.5x12.5 (areas Y₂ ).
18. Rivet crossmember under rear seat (1) with Ø 6.3x14.5 countersunk-head rivets (area Z₁ ).
19. Screw in screws (3).

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