16
Installation
STEP 8 Install the door bracket
Fiberglass, aluminum or lightweight steel garage doorsWILL REQUIRE reinforcement BEFORE
installation of door bracket. Contact the garage door manufacturer or installing dealer for opener
reinforcement instructionsor reinforcement kit. Failure to reinforce the top section as required
according to the door manufacturer may void the door warranty.
A horizontal and vertical reinforcement is needed for
lightweight garage doors (fiberglass, aluminum, steel,
doors with glass panel, etc.) (not provided).A horizontal
reinforcement brace should be long enough to be secured
to two or three vertical supports.A vertical reinforcement
brace should cover the height ofthe top panel. Contactthe
garage door manufacturer or installing dealer for opener
reinforcement instructionsor reinforcement kit.
NOTE: Many door reinforcement kits provide for directattachment of the clevis pin and door arm. In this
case you will not need the door bracket; proceed to the next step.
Self-Threading Screw
1/4"-14x5/8"
HARDWARE
OPTION A SECTIONAL DOORS
1. Center the door bracketon the previouslymarked vertical centerline used for the header bracket
installation. Note correctUP placement, as stamped inside the bracket.
2. Position the top edge of the bracket2"-4" (5-10 cm) below the top edge of the door, OR directly
below any structural support across the top ofthe door.
3. Mark,drill holes and install asfollows, depending on your door’sconstruction.
Metal or light weight doors using a vertical angle iron brace between the door panel support and
the door bracket:
l Drill 3/16" fastening holes. Secure the door bracket using the two 1/4"-14x5/8" selfthreading
screws. (Figure 1)
l Alternately,use two 5/16"-18x2" bolts,lockwashersand nuts (not provided).(Figure 2)
Metal, insulated or light weight factory reinforced doors:
l Drill 3/16" fastening holes. Secure the door bracket using the self-threading screws. (Figure 3)
Wood Doors:
l Use top and bottomor side to side door bracket holes.Drill 5/16" holes through the door and
secure bracketwith 5/16"-18x2" carriage bolts,lock washers and nuts (not provided).(Figure 4)
NOTE: The 1/4"-14x5/8" self-threading screws are not intended for use on wood doors.
FIGURE 1
FIGURE 3
FIGURE 4
FIGURE 2
Vertical
Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket
Vertical Reinforcement
Vertical Centerline
of Garage Door
Hardware
(not provided)
Door Bracket
UP
Vertical
Centerline
of Garage
Door
UP
Vertical Centerline of
Garage Door
Hardware
(not provided)
UP
Inside Edge of Door or
Reinforcement Board
Self-Threading Screw
1/4"-14x5/8"
Self-Threading
Screw
1/4"-14x5/8"
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