Chamberlain PD300D NOTE:, Wood Doors:, Metal Doors:, ONE-PIECEDOORS

ONE-PIECE DOORS

Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also.

•Center the door bracket on the top of the door, in line with the header bracket as shown. 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 1/4"-14x5/8" self-threading screws

provided.	HARDWARE SHOWN
• Wood Doors: Drill 5/16" holes and use 5/16"x2"	ACTUAL SIZE
carriage bolts, lock washers and nuts (not
provided) or 5/16"x1-1/2" lag screws (not provided)
depending on your installation needs.
	Self-Threading Screw
	1/4"-14x5/8"

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.)

			Self-Threading
			Screw
		Door	1/4"-14x5/8"
Header Wall	Finished Ceiling		Top of Door
		Bracket
2x4 Support			(Inside
			Garage)
			Top Edge
			of Door
Header
Bracket
			Optional
			Placement
Door
Bracket
			METAL DOOR
Optional	HORIZONTAL AND VERTICAL
Placement
	REINFORCEMENT IS NEEDED	Nut
of Door			Lock
	FOR LIGHTWEIGHT GARAGE	5/16"-18
Bracket			Washer
	DOORS (FIBERGLASS,
			5/16"
	ALUMINUM, STEEL, DOORS
	WITH GLASS PANEL, ETC.).	Door	Top of Door
Vertical	(NOT PROVIDED)
		Bracket	(Inside
Centerline of			Garage)
Garage Door			Top Edge
			of Door
			Optional
			Placement
			Carriage Bolt
			5/16"x2"
			(Not Provided)

For a door with no exposed framing,	WOOD DOOR
or for the optional installation, use
lag screws 5/16"x1-1/2" (Not Provided)
to fasten door bracket.

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