Hang The Opener - Craftsman 139.53919 Owner's Manual

INSTALLATION STEP 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, Figure 2, attach a sturdy metal
bracket to structural supports before installing the
opener. This bracket and fastening hardware are not
provided.
Existing brackets from a previous installation may be
fastened to the sides of the motor unit as in Figures
1 and 2, or to the mounting tabs as shown in
Figure 3. Then continue with step 5 below.
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.
To avoid possible SERIOUSINJURYfrom a falling
garage door opener,fasten it SECURELY to structural
supports of the garage. Concrete anchors MUST be used
if installing any brackets into masonry.
Figure 1
Measure
Distance
Lag Screws
5/16"- 18xl -7/8"
Hex Bolts
5/16"-18x7/8"
Lock Washers 5/16"
Nuts 5/16"-18
Figure 2
Preferred range of
bracket placement
Bracket
(Not Provided)
Hex Bolts
5/16"-18x7/8"
(Not Provided)
Hex Bolts
5/16"- 18x7/8"
Lock Washers 5/16"
Nuts 5/16"-18
Nuts 5/16"-18
HARDWARE SHOWN ACTUAL SIZE
Hex Bolt
5/16"-18x7/8" Nut 5/16"-18 Lock Washer 5/16"
Figure 3
Preferred range of
bracket placement
Existing Brackets
Bracket
(Provided)
Hanging Brackets
Utilizing existing top mount installation
16