i n s t a l l a t i o n o f g a r a g e a n d i n d u s t r i a l s e c t i o n a l d o o r s
53
9
suPPLEmEnt
Installation of the bottom corner bracket for drum behind
Installation of the bottom corner bracket with the cable tension device.
Put the bottom corner bracket for drum behind on the bottom panel, mark and drill holes
∅
4 .2 mm for bracket fastening .
fix the bracket using tapping screws .
install the bottom corner bracket with the
cable tension device using 6 tapping screws .
run the cable through the oval disc and fix it
on the hook .