Porsche 1972 911 Workshop Manual page 669

5. Disconnect and remove cemented mounting rail.
I n s t a l l i n g
1 . Cut out protective coat on inside of top canvas
cover and ripper with a scissors,
2 .
Mark distance from rear window to cementing
edge of mounting rail on top canvas cover;
80
approx. mm.
3.
Cement mounting rail on top canvas cover accord-
ing to marks.