78
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
Installation of the top roller support
Horizontal tracks installation
By assembling of the top panel install the
top roller supports . level the corner support
edges according to the panel, drill four holes
∅
4 .2 mm and fix it using tapping screws for
door panels .
Position the support roller on the top
horizontal track . loose the tapping
screws, adjust the upper supports
to enable close abutment of the top
panel to the lintel . tighten the tapping
screws .
the horizontal tracks are delivered in
assembly . they are punched to enable their
fastening to the vertical tracks .
fasten the horizontal and vertical tracks
to each other using two bolts for tracks
assembling and the connection plate located
in the position of tracks joint .
Before bolt tightening the tracks must be
leveled using the builder's level .