Hang The Opener - Craftsman 139.53800SRT Owner's Manual

nstaHation Step 5
Hang the Opener
Two representative installations are shown.
Yours may be different. Hanging brackets should
be angled, Figure 1, to provide rigid support. On
finished ceilings, Figure 2, attach a sturdy metal
bracket to structural supports before installing the
opener. The bracket and fastening hardware are not
supplied. See accessory page 38.
o Measure the distance from each side of the opener
to the structural support.
• Cut both pieces of the hanging bracket to required
lengths.
- Drill 3/16" pilot holes in the structural supports.
• Attach one end of each bracket to a support with
5/16"xt-7/8" lag screws°
° Fasten the opener to the hanging brackets with
5/16"-t8x7/8" screws, lock washers and nuts_
• Check to make sure the T-rail is centered over the
door (or in line with the header bracket if the
bracket is not centered above the door).
o Remove the 2x4o Operate the door manually° If the
door hits the rail, raise the header bracket.
Hardware Shown Actual Size
L gSc,e'
5/16"- 18xl -7,t8"
,,,,D © ©
Hex Screw
5/16"- 18x7t8" Nut 5./16"-18 Lock Washer 5/16"
Figure I
17