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Remove/install side roof frame - AR65.20-P-1200MCO

MODEL 451.4 

Fig 1: Identifying Side Roof Frame
G10978755Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
DANGER Risk of death  caused by high voltage used for electric welding. Risk of explosion  caused by welding in the area of highly inflammable materials. Risk of injury  caused by welding splatter and UV light while welding. Risk of poisoning  caused by inhaling welding fumes. Use insulating mats. Wear protective clothing, safety glasses and protective mask. Remove highly inflammable materials from the hazard area. Use air extractor system. AS00.00-Z-0007-01A
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. AS00.00-Z-0017-01A
NOTES Measures for preventing damage to vehicles or components when performing electric welding work   AH00.00-P-0005-01FF
NOTES Notes on performing repair, body work and welding on vehicles with airbags and ETR units   AH91.00-P-0002-01SM
IMPORTANT Notes on replacing body parts   AH60.00-P-0027-01FF
IMPORTANT General information on body repair   AH60.00-P-0001-01FF
IMPORTANT The following workshop equipment and tools are required for repair: Round wire brush
 
Cartridge gun
 
Drill
 
Wet/dry vacuum cleaner
 
Vise grip pliers
 
MIG MAG gas welder (steel, brazing, aluminum)
 
 
  Tarp (fire-resistant) Welding protective blanket
 
 
1 Remove detachable parts in the repair area    
2 Cover all detachable parts remaining in vehicle (area to be repaired) NOTES Use fireproof tarp to avoid damage from flying sparks.  
3 Remove roof paneling   AR65.10-P-5702MCO 
4 Remove upper A-pillar outer paneling   AR63.20-P-1105MCO
5 Partially remove side wall paneling   AR63.10-P-0115MCO
6 Partially remove side wall reinforcement   AR63.20-P-0862MCC
7 Remove lower A-pillar outer section   AR63.20-P-1102MCO
8 Remove lower A-pillar reinforcement   AR63.20-P-1114MCO
9 Partially remove upper A-pillar reinforcement   AR63.20-P-1116MCO
10 Expose spot welds on side roof frame (1) and cut out (areas A and B).    
11 Remove damaged side roof frame (1).    
12 Grind connection surfaces down to bare metal in cross-hatched areas. IMPORTANT Coat insides of spot weld flanges with zinc dust paint.  
    Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
13 Grind new side roof frame (1) down to bare metal in cross-hatched areas. IMPORTANT Coat insides of spot weld flanges with zinc dust paint.  
    Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
INSTALLING Install     
14 Fit new side roof frame (1) and fasten with vise grip pliers. IMPORTANT When fitting, observe correct distances.  
15 New side roof frame (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas C and D)    
16 Level spot welds (areas C and D)    
17 Partially install upper A-pillar reinforcement   AR63.20-P-1116MCO
18 Install lower A-pillar reinforcement   AR63.20-P-1114MCO
19 Install lower outer A-pillar   AR63.20-P-1102MCO
20 Partially install side wall reinforcement   AR63.20-P-0862MCC
21 Partially install side wall paneling   AR63.10-P-0115MCO
22 Install upper A-pillar outer paneling   AR63.20-P-1105MCO
23 Install roof paneling   AR65.10-P-5702MCO 
24 Clean sheet metal flange with wire brush and clean areas to repaired    
25 Prime repair area using primer filler    
26 Supply standard seam seals with body sealant   AR97.10-P-4000MCC
    Sealant *BR00.45-Z-1003-01A 
27 Paint repair area adjacent surfaces    
IMPORTANT Notes on paintwork repairs   AH98.00-P-9408-02MCC
28 Apply additional cavity preservation   AR97.20-P-1500FF
    Teroson protective wax *BR00.45-Z-1008-05A 
29 Reinstall all detachable parts removed    
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1003-01A White sealing compound, 310 ml, DBL 6069.20 A 001 989 63 20
BR00.45-Z-1008-05A Teroson protective wax Henkel Loctite
  Art. no.: 122.73Q
BR00.45-Z-1001-07A Zinc dust paint suitable for spot welding A 000 986 34 42