Preparing Roof For Installation

Prepare welding flanges front and side for the installation.
1. 1.1. Grind bare the welding flanges in area of front roof cross member -A- and in area of roof strips -B- using a rotary brush.
  
  Fig 1: Identifying Welding Flanges And Roof Strips Area
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Prepare side adhesive flanges for the installation.
1. 2.1. Grind bare the adhesive flanges in side roof area on the outside using grain 150 sandpaper.
  
  Fig 2: Identifying Grind Bare Adhesive Flanges In Side Roof Area
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Prepare rear welding and adhesive flanges for the installation.
1. 3.1. Grind bare the welding flanges in area of rear roof cross member -D- on both sides using a rotary brush.
2. 3.2. On the inside of the roof, grind bare the adhesive flanges in area of hinge mountings -E- using grain 150 sandpaper.
  
  Fig 3: Identifying Grind Bare Adhesive Flanges In Area Of Hinge Mountings
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Coat front spot-weld flanges with zinc powder paint.
Information
- Do not apply zinc powder paint to the bonding areas -I- .
1. 4.1. Coat all spot-weld flange areas with zinc powder paint -A, B- .
  
  Fig 4: Identifying Coat Spot-Weld Flange Areas With Zinc Powder Paint
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Coat rear spot-weld flanges with zinc powder paint.
Information
- Do not apply zinc powder paint to the bonding areas -E- .
1. 5.1. Coat spot-weld flange area -D- with zinc powder paint.
  
  Fig 5: Identifying Coat Spot-Weld Flange Area With Zinc Powder Paint
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.