Fastenthe Door Bracket - Craftsman 139.30437 Owner's Manual

iNSTALLATiON STEP 8
Fastenthe Door Bracket
Follow instructions which apply to your door type as illustrated
below or on the following page.
A horizontalreinforcementbrace should be long enough to be
secured to two or three vertical supports.A vertical
reinforcement brace shouldcover 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 9.
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, drift holes and install as follows, depending on your
door's construction:
Metal or light weight doorsusing a vertical angle iron brace
between the doorpanel support and the door bracket:
* 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.
HARDWARE
SHOWN ACTUAL
SiZE
If-Threading
rew
"-14x5/8"
Fiberglass, aluminum or lightweight steel garage doors WiLL
REQUIREreinforcement BEFORE installation of door bracket.
Contact your door manufacturer for reinforcement kit.
Vertical
Centerline
of Garage
Door
Figure 1
Vertical Reinforcement
Vertical Centerline
of Garage Door
/
i
Door_ "_
Bracket _}_
Self-Threading
Screw 1/4"-14x5/8"
Figure 2A
Vertical Reinforcement
Vertical
Centerline of
Bolt ,/Garage Door
5/16"-18x ',
'r°tv e0,
Lock Washer 5/16 ''/_I _\
Nut 5/16"-18
I Figure 2B
Vertical
Centerline
of Garage
Door
\
_Self-Threading
_j_ Screw 1/4"-14x5/8' j
Bolt 5/16"-18x2"
(Not Provided)
Inside Edge of Door or
Reinforcement Board
Vertical
Centerline
of Garage
Door
Figure 4
Figure 3
18