Hang The Opener - Craftsman 139.53663SRT Owner's Manual

I Installation Step 6
Hang the Opener
I
Two representative installations are shown. Yours may
be different. Hanging brackets should be angled, Figure
1, to provide rigid snpport. On finished ceilings, Figure 2,
attach a stnrdy metal bracket to strnctural supports before
installing the opener. The bracket and fbstening hardware
are not supplied.
1. Measure the distance from each side of the opener to
the structnral support.
2. Cut both pieces of the hanging bracket to required
lengths.
3. Drill 3/16" pilot holes in the structnral supports.
4. Attach one end of each bracket to a support with
5/16" - 18xt-7/8" lag screws.
5. Fasten the opener to the hanging brackets with
5/16" - 18x7/8" screws, lock washers and nuts.
6. Check to lnake sure the rail is centered over the door
(or in line with the header bracket if the bracket is not
centered above the door).
7. Relnove the 2x4. Operate the door lnanually. If the
door hits the rail, raise the header bracket.
Figure 1
Measure
Distance
5/16"-18x7/8"
Hex Screws
5/16" Lock Washers
5/16"- 18 Nuts
Preferred Range of
Bracket Placement
Supports
Lag Screws
5/16"-18xl-7/8"
Hardware Shown Actual Size
Lag Screw
5/16"-18xl-7/8"
Hex Screw
5/16"- 18x7/8" Nut 5/16"-18 Lock Washer 5/16"
Figure 2
-- FINISHED CEILING --
5/16"-18 Nut
Preferred Range of
Bracket Placement
2O