Hang The Opener - Craftsman 139.53939D Owner's Manual

INSTALLATION ST P 5
Hang the Opener
Three representative installations are shown. Yours may
be different. Hanging brackets should be angled
(Figure 1) to provide rigid support. On finished ceilings
(Figures 2 and 3), attach a sturdy metal bracket to
structural supports before installing the opener. This
bracket and fastening hardware are not provided.
1. Measure the distance from each side of the motor unit
to the structural support.
2. Cut both pieces of the hanging bracket to required
lengths.
3.,Drill 3/16" pilot holes in the structural supports_
4. Attach one end of each bracket to a support with
5/16"-18xl-7/8" lag screws.
5 Fasten the opener to the hanging brackets with
5/16"-18x7/8" hex bolts, lock washers and nuts.
6. Check to make 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.,Remove the 2x4, Operate the door manually. If the
door hits the rail, raise the header bracket.
NOTE: DO NOT connect power to opener at this time.
HARDWARE SHOWN ACTUAL StZE
Lag Screw 5/16"-18xl-7/8"
Hex Bolt
5/16"-18x7/8" Nut 5/16"-18 Lack Washer 5/16"
To avoid possible SERIOUSINJURYfrom a falling garage
door opener,fasten it SECURELY to structural supports of
the garage Concreteanchors MUSTbe usedif installing any
bracketsintomasonry_
Figure 1
Measure _.
Distance
Bolt 5/16"-18x7/8"
Nut 5/16"-18
Lag Screws
5116"-18xl-7/8"
Figure 2
Bolt 5/16"-18x7/8"
Lack Washer 5/I 6"
Nut 5/16"-18
FINISHED CElUNG
(Not Provided)
Bolt 5/16"-15x7/8"
Lack Washer 5/16"
Nut 5/16"-18
Figure 3
Lag Screws
5/16"-18xl -7/8"
Bolt 5/16"-I 5x7/8"
Lack Washer 5/16"
Nut 5/16"-18
(Not Provided)
Bolt 5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
16