Hang The Opener - Chamberlain 1260 Owner's Manual

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Installation 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.
• 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"x1-7/8" lag screws.
• Fasten the opener to the hanging brackets with
5/16"-18x7/8" hex 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 with rail
grease.
Hardware Shown Actual Size
Lag Screw
5/16"-18x1-7/8"
Hex Screw
5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
The opener could fall and injure someone if it
is not properly secured. Fasten the opener
securely to structural supports of the garage.
Figure 1
Measure
Distance
5/16"-18x7/8" Screw
5/16" Lock Washer
5/16"-18 Nut
Figure 2
Hidden Support
Bracket
(Not Supplied)
(Not Supplied)
5/16"-18x7/8" Screw
5/16" Lock Washer
5/16"-18 Nut
13
WARNING
Structural
Supports
Lag Screws
5/16"x1-7/8"
— FINISHED CEILING —
Lag Screws
5/16"x1-7/8"

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1200 series1250125512451260lm

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