Craftsman 1/2HP Garage Door Opener 139.53515SR - Manual (Page 15)

Installation
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Install Door Bracket and Plate
^ ^ Follow instructions which apply to your door typo as illustrated below.
A
TO PREVENT DAMAGE TO LIGHTWEIGHT AND METAL GARAGE DOORS OR ONES WITH GLASS PANELS,
ALWAYS REINFORCE THE INSIDE OF DOOR—BOTH VERTICALLY AND HORIZONTALLY—WITH 2x4
BOARDS OR ANGLE IRON.
Check The horizontal brace should be at least 6 feet long. The vertical brace should cover height of top panel,
with your garage door manufacturer for a door reinforcement kit for an opener installation.
Sectional Door Installation Procedure
1. Assemble door bracket and plate as shown. Center
; bracket on previously marked vertical guideline.
2. Position the bracket assembly 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.
B) Directly below any structural suf^rt across the top
of the door
Placement depends on your particular needs.
3. Mark arxl drill 5/16' TOP aixl BCHTOM fastening holes.
Secure bracket as shown.
Header
Bracket
Vertical
Center
Line
SECTIONAL DOOR
Door Bracket a
Plate Assy,
Top of Door
Reinforceinent
- Board for
Lightweight Doors
Carriage Bolt
&16"-18x2-1/2"
Inside Edge
of Door or
Reinforcement Board
kLe]
0^
' V 1
.ock
Door
Bracket
Door Bracket
Plate
Nut
5/16T-18
One-Piece Door Installation Procedure
NOTE: Door bracket has left and right side fastening
holes. Assemble and install the door bracket and plate
if your installation requires top and bottom fastening
holes.
1, Center bracket (with or without plate as required) on
top edge of door as shown, Mark holes.
2. Drill two 5/16' holes and fasten the door bracket with
hardware supplied.
NOTE: If the door has no exposed framing, drill 3/16'
pilot holes and use 5/16* x 1 >1/2' lag screws (not sup­
plied) to fasten bracket to top of door.
Nut
Sn6*-18
NOTE: The door bracket may be installed on face of
door if required for your installation. (Refer to dotted
line drawing.) HOWEVER, drill 3/16' pilot holes and
substitute 5/l6”x 1-1/2* lag screws (not supplied) to
fasten the bracket to the door.
ONE PIECE DOOR
Header
Bracket
Top Edge
of Door
(Optional)
6__ Carriage Bolt
Sf16--18x1/r
15