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Option b one-piece doors, Installation – Chamberlain 248730 User Manual

Page 18

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17

Installation

STEP 8 Install the door bracket (continued)
OPTION B

ONE-PIECE DOORS

1. Center the door bracket on the top of the door, in line with the header bracket as shown.
2. Mark either the left and right, or the top and bottom holes.

Metal Doors:

• Drill 3/16" pilot holes and fasten the bracket with the self-threading screws provided.

Wood Doors:

• Drill 5/16" holes and use 5/16"x2" carriage bolts, lock washers and nuts (not provided) or 5/16"x1-

1/2" lag screws (not provided) 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"

This manual is related to the following products: