LiftMaster 8165W Owners Manual - Page 14

Hang the Garage Door Opener

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Installation 5 Hang the Garage Door Opener To avoid possible SERIOUS INJURY from 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. Hanging your garage door opener will vary depending on your 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. 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"-18 x 1-7/8" lag screws (not provided). 5. Fasten the opener to the hanging brackets with 5/16"-18 x 7/8" 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 Lock Washer 5/16" Hex Bolt 5/16"- 18x7/8" Nut 5/16"-18 FIGURE 1 Unfinished Ceiling FIGURE 2 Finished Ceiling Not Provided FIGURE 3 Measure Distance (Not Provided) Lag Screws 5/16"- 18x1-7/8" Hex Bolt 5/16"- 18x7/8", Lock Washer 5/16", Nut 5/16"-18 14

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14
Installation
5 Hang the Garage Door Opener
To avoid possible SERIOUS INJURY from 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.
Hanging your garage door opener will vary depending on your 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. 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"-18 x 1-7/8" lag screws
(not provided).
5.
Fasten the opener to the hanging brackets with 5/16"-18 x 7/8" 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.
FIGURE 1
FIGURE 2
(Not Provided)
Lag Screws
5/16"- 18x1-7/8"
Measure
Distance
Hex Bolt 5/16"- 18x7/8", Lock Washer 5/16", Nut 5/16"-18
FIGURE 3
Not Provided
Finished Ceiling
Unfinished Ceiling
Hex Bolt 5/16"- 18x7/8"
Nut 5/16"-18
Lock Washer 5/16"
HARDWARE