LiftMaster 8587WL Owners Manual - English French Spanish - Page 15

Install the Door Bracket

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Installation 8 Install the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact the garage door manufacturer or installing dealer for opener reinforcement instructions or 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 of the top panel. Contact the garage door manufacturer or installing dealer for opener reinforcement instructions or reinforcement kit. NOTE: Many door reinforcement kits provide for direct attachment of the clevis pin and door arm. In this case you will not need the door bracket; proceed to the next step. SECTIONAL DOORS 1. Center the door bracket on the previously marked vertical centerline used for the header bracket installation. Note correct UP placement, as stamped inside the bracket. 2. Position the top edge of the bracket 2"-4" (5-10 cm) below the top edge of the door, OR directly below any structural support across the top of the door. 3. Mark, drill holes and install as follows, depending on your door's construction: Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket: • Drill 3/16" fastening holes. Secure the door bracket using the two self threading screws. (Figure 1) • Alternately, use two 5/16"-18x2" bolts, lock washers and nuts (not provided). (Figure 2) Metal, insulated or light weight factory reinforced doors: • Drill 3/16" fastening holes. Secure the door bracket using the self-threading screws. (Figure 3) Wood Doors: • Use top and bottom or side to side door bracket holes. Drill 5/16" holes through the door and secure bracket with 5/16"-18 x 2" carriage bolts, lock washers and nuts (not provided). (Figure 4) NOTE: The 1/4"-14 x 5/8" self-threading screws are not intended for use on wood doors. HARDWARE Self-Threading Screw 1/4"-14 x 5/8" FIGURE 1 Vertical Reinforcement Vertical Centerline of Garage Door Door Bracket FIGURE 3 UP Self-Threading Screw 1/4"-14 x 5/8" Vertical Centerline of Garage Door UP Self-Threading Screw 1/4"-14 x 5/8" FIGURE 2 Vertical Reinforcement Vertical Centerline of Garage Door Bolt 5/16"-18 x 2" (Not provided) UP Door Bracket Lock Washer 5/16" Nut 5/16"-18 FIGURE 4 Bolt 5/16"-18 x 2" (Not provided) Inside Edge of Door or Reinforcement Board UP Vertical Centerline of Garage Door 15

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15
Installation
8 Install the Door Bracket
Fiberglass, aluminum or lightweight steel garage doors
WILL REQUIRE
reinforcement BEFORE
installation of door bracket. Contact the garage door manufacturer or installing dealer for opener
reinforcement instructions or 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 of the top
panel. Contact the garage door manufacturer or
installing dealer for opener reinforcement instructions
or reinforcement kit.
NOTE:
Many door reinforcement kits provide for direct attachment of the clevis pin and door arm. In
this case you will not need the door bracket; proceed to the next step.
SECTIONAL DOORS
1.
Center the door bracket on the previously marked vertical centerline used for the header
bracket installation. Note correct UP placement, as stamped inside the bracket.
2.
Position the top edge of the bracket 2"-4" (5-10 cm) below the top edge of the door, OR
directly below any structural support across the top of the door.
3.
Mark, drill holes and install as follows, depending on your door’s construction:
Metal or light weight doors using a vertical angle iron brace between the door panel
support and the door bracket:
•
Drill 3/16" fastening holes. Secure the door bracket using the two self threading screws.
(Figure 1)
•
Alternately, use two 5/16"-18x2" bolts, lock washers and nuts (not provided). (Figure 2)
Metal, insulated or light weight factory reinforced doors:
•
Drill 3/16" fastening holes. Secure the door bracket using the self-threading screws.
(Figure 3)
Wood Doors:
•
Use top and bottom or side to side door bracket holes. Drill 5/16” holes through the door
and secure bracket with 5/16"-18 x 2" carriage bolts, lock washers and nuts (not provided).
(Figure 4)
NOTE:
The 1/4"-14 x 5/8" self-threading screws are not intended for use on wood doors.
FIGURE 1
FIGURE 3
Vertical Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket
Self-Threading Screw
1/4"-14 x 5/8"
Self-Threading
Screw
1/4"-14 x 5/8"
Vertical Centerline
of Garage Door
UP
FIGURE 4
Vertical
Centerline of
Garage Door
Bolt 5/16"-18 x 2"
(Not provided)
UP
Inside Edge of Door or
Reinforcement Board
FIGURE 2
Vertical Reinforcement
Bolt 5/16"-18 x 2"
(Not provided)
Lock Washer 5/16"
Nut 5/16"-18
Door Bracket
UP
Vertical
Centerline
of Garage Door
Self-Threading Screw
1/4
"
-14 x 5/8
"
HARDWARE