Fasten The Door Bracket - Craftsman 139.53990D Manual Del Propietário

Abridor de puerta de cochera de 315mnz
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INSTALLATION
STEP
11
Fasten
the
Door
Bracket
Follow instructions which apply to your door type
as illustrated below or on the following page.
A horizontal reinforcement
brace should be long
enough to be secured to two vertical supports. A
vertical reinforcement brace should cover the
height of the top panel.
The illustration shows one piece of angle iron as the
horizontal brace. For the vertical brace, two pieces of
angle iron are used to create a U-shaped support
(Figure 1). The best solution is to check with your
garage door manufacturer for an opener installation
door reinforcement kit.
NOTE: Many vertical brace installations provide for
direct attachment of the clevis pin and door arm. In
this case you will not need the door bracket; proceed
to Installation Step 12.
SECTIONAL DOORS
• 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 (Figure 2).
• Position the bracket on the face of the door within
the following limits:
A) The top edge of the bracket 2"-4" (5-10 cm)
below the top edge of the door.
B) The top edge of the bracket directly below any
structural support across the top of the door.
Fiberglass, aluminum or lightweight steel garage doors
WILL REQUIREreinforcement BEFORE installation of
door bracket. Contact your door manufacturer for
reinforcement kit.
HARDWARE
SHOWN ACTUAL
SIZE
© ©
Nut 5/16"-18
Lock Washer
5/16"
Carriage Bolt
5/16"-18x2-1/2"
• Mark and drill 5/16" left and right fastening holes.
Secure the bracket as shown in Figure 1 if there is
vertical reinforcement.
If your installation doesn't require vertical
reinforcement but does need top and bottom
fastening holes for the door bracket, fasten as shown
in Figure 2.
Door
Bracket
Location
Vertical
of Garage
Door
Header Bracket
Horizontal
and vertical
reinforcement
is needed for lightweight
garage
doors
lass, aluminum,
eteem, doors with
glass
panel, etc.). (Not Provided)
Vertical
Reinforcement
Edge
of Door or
(_einforcement
Board
I
,Carriage Bolt
5/16"-18x2-1/2
Vertical
,"of Garage
Door
Door
Bracket
Lock Washer
5/16"
Nut
jjJ
5/16"-18
"@-_.
@-_
Door Bracket
Figure
2
UP
Figure
23

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