Chamberlain HD520EVP - Page 18

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 bracketas shown.
2. Mark either the leftand right, or the top and bottom holes.
Metal Doors:
l Drill 3/16" pilot holes and fasten the bracket with the self-threading screws provided.
WoodDoors:
l Drill 5/16" holes and use 5/16"-18x2" 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 bracketmay be installed on the top edge ofthe 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
Hardware
(not provided)
Hardware
(not provided)
Metal Door
Wood Door
Self-Threading
Screw 1/4"-14x5/8"