72
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
9
suPPLEmEnt
install the torsion gear in the remote brackets
slots positioning the end bushings .
Block the spring failure safety device . tighten
the screws on the end bushings .
install the end bushing fixing plate .