64
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
Two-shaft system on end support brackets
Position the support bracket close to the wall
and the corner support, matching the holes
in the bracket and in the support . Mark the
holes for fastening to the c-profile and the
embrasure wall according o the perforation in
the support bracket .
drill the marked holes (in the wall the hole
is
∅
12 mm and in the c-profile the hole is
∅
8 .5 mm) .
insert the dowels in the holes in the wall . in a
similar manner mark the holes for the bracket
fastening on other side of the embrasure .
install symmetrically on the inside the second
support bracket, for that position it to the
embrasure wall and mark the points of its fas-
tening to the wall . the distance between the
brackets must be enough to place the drum .
drill the marked
∅
12 mm holes in the wall,
insert dowels and fix the bracket using tapping
screws . fix the support bracket on other side
of the embrasure in a similar manner .
insert the shaft with spring in the brackets
bearing and install the drums . fasten the
right and left brackets to the wall using
tapping screws and washers and to the corner
brackets and the c-profiles using bolts and
nuts .