Center Main Floor Panel Reinforcement Installation - Ar63.40-P-1110-04RG

	000 588 04 39 00 Rivet press tool		WS60.00-P-0440B
	000 588 12 84 00 Welder		WS00.00-P-0318K

Model 190

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1012-13A	Blind rivet Y2 6.5x12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN)	A 004 990 16 97
BR00.45-Z-1162-02A	Parts kit for 2-component adhesive for body	A 012 989 17 71

Further information can be found in the superordinate service document. Comply with safety information in superordinate customer service document.

The following operation steps are shown on the left side of the vehicle. This must be similarly performed for damage to the right side of the vehicle.

Replace flow drill screws and self-tapping fillister head screws installed in vehicle by high-strength blind rivets according to clamping range.

Courtesy of MERCEDES-BENZ USA

Shown on model 190.4

Install center main floor reinforcement (1) and fit.
Drill rivet holes in center main floor reinforcement (1) with drill bit ø 6.5 mm (areas A and B).
Transfer present positions for rivet connections from vehicle to new part. In the case of new part to new part connections, adapt them and drill through together.
Remove center main floor reinforcement (1).
Drill rivet holes in center main floor reinforcement (1) and in body on both sides (areas A and B).
Observe pretreatment of bonding surfaces.
Remove shavings using wet/dry vacuum cleaner.

Courtesy of MERCEDES-BENZ USA

Shown on model 190.4
In cross-hatched areas (C) on center main floor reinforcement (1) and body, apply the 2-component adhesive.
Observe manufacturer's specification for drying and processing time of 2-component adhesive.
Install center main floor reinforcement (1), fit and fix in place.

Courtesy of MERCEDES-BENZ USA

Shown on model 190.4
Rivet center main floor reinforcement (1) with rivet press tool and blind rivets (area D).

Courtesy of MERCEDES-BENZ USA

Shown on model 190.4
Tack weld center main floor reinforcement (1) at inside to firewall crossmember and to rear wall crossmember with welder ( ) (areas F and G).
When MIG welding ( ) prepare welds by grinding down to bare metal with stainless steel brush. The weld seams must be tacked at the start, end and around every 4 cm.
Check weld seam gap.
The weld seam gap must not be larger than 1 mm; if necessary, make an add-on seam weld.
Weld center main floor reinforcement (1) inside with welder ( ) (areas F and G).
When MIG welding ( ), prepare welds by grinding down to bare metal with stainless steel brush directly before welding. Tack weld seams at start, end and approx. every 4 cm. Weld seam gap should not be greater than 1 mm; if required, create a pre-seam.
Tack weld center main floor reinforcement (1) at bottom to firewall crossmember and to rear wall crossmember with welder ( ) (areas H and I).
When MIG welding ( ) prepare welds by grinding down to bare metal with stainless steel brush. The weld seams must be tacked at the start, end and around every 4 cm.
Check weld seam gap.
The weld seam gap must not be larger than 1 mm; if necessary, make an add-on seam weld.
Weld center main floor reinforcement (1) at bottom with welder ( ) (areas H and I).
When MIG welding ( ), prepare welds by grinding down to bare metal with stainless steel brush directly before welding. Tack weld seams at start, end and approx. every 4 cm. Weld seam gap should not be greater than 1 mm; if required, create a pre-seam.
Clean weld seams on center main floor reinforcement (1) at bottom and level (areas H and I).
Remove shavings using wet/dry vacuum cleaner.