Craftsman 139.53675SRT - Manual (Page 24)

Installation Step 11
Fasten Door Bracket
Foilow Instructions which apply to your door
type as illustrated below or on page 25 .
I lUINIi
To prevent damage to steel, aluminum,
fiberglass or glass pane! doors, always
reinforce the inside of the door both vertically
and horizontally with an angle iron.
A horizontal brace should be long enough to be secured to 2 vertical supports. A vertical brace should
cover the height of the top panel.
The Illustration shows one piece of angle iron as the horizontal brace. For the vertical brace, 2 pieces of
angle iron are used to create a "IF-shaped support The best solution Is to check with your garage door
manufacturer for an opener instailatlon door reinforcement kit
Figure 1
Figure 2
* Center the door bracket on the previousiy marked
vertical guideline used for the header bracket
installation,
Nate correct UP placement, as
stamped inside the bracket
* Position the bracket on the face of the door within
the following limits:
A) The top edge of the bracket 2“-4" below the top
edge of the door.
8) The top edge of the bracket directly below any
structural support across the top of the door.
* Mark and drill 5/16" left and right fastening holes.
Secure the bracket as shown in Rgure 1 if there is
vertical reinforcement.
If your installation doesn’t require verticai reinforce­
ment but does need top and bottom fastening holes
for the door bracket, fasten as shown in Figure
2
Hardware Shown Actual Size
Nut 5/16-1 a Lode Washei S/16"
Camags Bel!
S/!6".l8x2-t/2‘
24