Craftsman 139.53325SRT Garage Door Opener User Manual


 
Installation Step 11
Fasten Door Bracket
Foliow instructions which apply to your door
type as illustrated beiow or on page 25°
To prevent damage to steel, aluminum_
fiberglass or glass pane_ doors, always
reinforce the inside of the door _th veAicaily
and horizontally with an angle Iron.
Figure i
Center the door bracket on the previously marked
vertical guideline used for the header bracket
installation
- Position the bracket on lhe face ot the door within
the following limits:
A) The top edge of the bracket 2°4 '`below the top
edge of the door.
B) The top edge d the bracket directly below any
structural suppoM across the top of the door.
Mark and ddti &ll 6" _eftand right fastening holes
Secure the bracket as shown in Figure I if there is
ve_'ticaI reinforcemenL
if your installation doesn't require vertical reinforce
meat but does need top and bottom fastening holes
_or the door brackeL position the door p_ate over the
door b_acket as shown in Figure 2 Fasten securely
with hardware shown in Figure 1
Hardware Shown Actual Size
24