Chamberlain HD920EV User Manual

17
Installation
STEP 8 Install the door bracket (continued)
OPTION B ONE-PIECEDOORS
1. Center the door bracketon the top of the door, in line with the header bracket as shown.
2. Mark either the left and right, or the top and bottomholes.
Metal Doors:
• Drill 3/16" pilotholes and fasten the bracketwith the self-threading screws provided.
Wood Doors:
• Drill 5/16" holesand use 5/16"x2" carriage bolts,lock washers and nuts (not provided) or 5/16"x1-
1/2" lag screws (notprovided) depending on your installation needs.
NOTE: The door bracket may be installed on the top edge of the door if required for your installation.
(Refer to the dotted line optional placement drawing.)
For a door with no exposed
framing, or for the optional
installation, use lag screws
5/16"x1-1/2" (not provided)
to fasten the door bracket.
Vertical
Centerline
of Garage
Door
Optional
Placement
of Door
Bracket
Door Bracket
Header Bracket
Header Wall
2x4 Support
(Finished Ceiling)
Door
Bracket
Top of Door
(Inside Garage)
Top Edge of
Door
Optional
Placement
Optional
Placement
Top Edge
of Door
Top of Door
(Inside Garage)
Door
Bracket
Carriage Bolt 5/16"x2"
(not provided)
Nut 5/16"-18
Lock Washer 5/16"
Metal Door
Wood Door
Self-Threading
Screw 1/4"-14x5/8"

Chamberlain HD920EV Specifications

General

Brand	Chamberlain
Model	HD920EV
Category	Garage Door Opener
Language	English