ASI DOORS, INC.
(800) 558-7068
asidoors.com
17
Mounting Chain Bracket
INS
TALL
ATION
Figure 31: Chain Lock Bracket # 13b1773NN
Mount the chain lock bracket (packed in hardware
bag in loose parts box) to the wall so that the slot-
ted opening on the bracket is positioned as shown
in figure 29 & 30
Figure 32: Mount Spreader Support Gusset To
Center Support
Mounting Spreader Support Gusset
Figure 33: Mount Spreader Support Gusset To
Wall
With the curtain completely lowered, mount the
spreader support gusset(s) (packed in hardware bag
in loose parts box) to the center support(s) on the
header frame ( figure 32)
Doors will have 0, 1, or 2 sets of stiffeners mounted
on the header, depending on the width of the open-
ing, and whether or not the door was ordered with
a shroud
Install (1) spreader support gusset for each set of
stiffeners on header
Lift the header frame at the center support as need-
ed so the rear spreader bar is level and secure to the
wall through the 3 holes in the flange of the spread-
er support gusset as shown in figure 33
(2) 5/16”-18 x 0 50”
Screws
(P/N 41A1075)