Hang The Opener - Craftsman 139.536481DM 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 and Figure 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 eachside 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. Fastenthe opener to the hanging brackets with 5/16"-18x7/8"
hex bolts, lock washers and nuts.
6. Checkto 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. Removethe 2x4. Operatethe door manually. If the door hits the
rail, raise the header bracket.
NOTE:DONOT connect power to opener at this time.
HARDWARESHOWN ACTUALSIZE
Hex Bolt
5/16"-18x7/8" Nut 5/16"-18 Lock Washer 5/16"
To avoid possible SERIOUSINJURYfrom a falling garage door
opener, fasten it SECURELY to structural supports of the
garage. Concreteanchors MUST be used if installing ANY
brackets into masonry.
Figure
I
ructural
Supports
Measure _
Distance
Lag Screws
5/16"-18xl -7/8"
Bolt 5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
Bolt 5/16"-18x7/8 _-"
Lock Washer 5/16"
Nut 5/16"-18
FINISHEDCEILING
Provided)
Lock Washer 5/16"
Nut 5/16"-18
g Screws
FINISHEDCEILING
Bolt 5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
, (Not Provided)
Bolt 5/16"-18x7/8"
Lock Washer 5/16"
16