Hang The Opener - Craftsman 139.53664SRT2 Owner's Manual

Installation Step 5 I
Hang the Opener
I
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The opener could fall and injure someone if it
is not properly secured. Fasten the opener
securely to structural supports of the garage.
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
provided. See accessory page 38.
• 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"xl 8-1-7/8" lag screws.
Fasten the opener to the hanging brackets with
5/16"-18x7/8" 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).
• Remove the 2x4. Operate the door manually. If the
door hits the rail, raise the header bracket.
Grease the top and
underside of the rail
surface where the trolley
slides, A tube of grease
is supplied.
Hardware Shown Actual Size
Lag Screw
5/16'-18xl-7/8"
5/16"-18x7/8" Nut 5/16"-18 Lock Washer 6/16"
Figure 1
StrUctural
Supports
Measure __ Lag Screws
Distance 5/16"xl 8-1-7/8"
5/16"-18x7/6" Screw \
5/16" Lock Washer
5/16 * -18NutJ_- J_t_._ /
Figure 2
(Not provided)
/ 5/16"-18x7/8"Screw
" 5/16"-18 Nut
5/16'-18X7/8" Screw
5/16" LOck Washer
17