Fastenthe Door Bracket; Sectionaldoors - Craftsman 139.53902D Manual Del Propietário

iNSTALLATiON STEP 12
Fastenthe Boor Bracket
Follow instructions which apply to your door type as illustrated
below or on the following page.
A horizontal reinforcementbrace should be IonSenough to be
securedto two or three vertical supports.A vertical
reinforcementbrace should cover the height of the top panel
Figure 1 shows one piece of angle iron as the horizontal brace.
For the vertical brace, 2 pieces of angle iron are used to create a
U-shaped support. The best solution is to check with your garage
door manufacturer for an opener installation door 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 Step 12.
SECTIONALDOORS
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, drift holes and install as follows, depending on your
door's construction:
Metal or light weight doorsusing a verticalangle iron brace
between the door panel support and the doorbracket:
* Drill 3/16" fastening holes. Secure the door bracket using the
two 1/4"-14x5/8" self-threading screws. (Figure 2A)
* Alternately, use two 5/16" bolts, lock washers and nuts (not
provided). (Figure 2B)
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"x2"
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.
__. HARDWARESHOWN
ACTUAL SiZE
elf-Threading
crew
/4"- 14x5/8"
Fiberglass, aluminum or lightweight steel garage doors WILL
REQUIREreinforcement BEFORE installation of door bracket.
Contact your door manufacturer for reinforcement kit.
Door
Bracket
Location
_ HORIZONTAL AND VERTICAL
IS NEEDED
Vertical FOR LIGHTWEIGHT GARAGE
Centerline DOORS (FIBERGLASS,
of Garage ALUMINUM, STEEL, DOORS
Door WITH GLASS PANEL, ETC.).
(NOT PROVIDED)
Figure 1
Vertical
_f,_ 1 ,o,0 _ Ve rtic°_rlc_:trline
]}arage Door
Door Bracket _j/"__Up
S e If-T h readi n g --------=-_
Screw 1/4"-14x5/8"
Figure 2A
(Not Provided
L% iJ°H Vertical Centerline
. .0eooo
_o
Lock Washer 5/16'_.
Nut 5/16"-18
Figure 2B
Bolt 5/16"x2"
(Not Provided
inside Edge
of Door or
Reinforcement Board
_ _ ,_Vertical
'.4 Centerline
_ll_J of[_ DoGrarage
q "¢_ Se,f-Threadio
: "'_ Screw l
1/4"- 14x5/8"
/
Figure 3
Vertical
Centerline
of Garage
Door
Figure 4
23