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Craftsman 139.53919D User Manual

Craftsman 139.53919D
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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.
Toavoid possible SERIOUSINJURYfrom a falling
garage door opener,fasten it SECURELYto structural
supports of the garage.Concreteanchors 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"
Lock Washers 5/16"
Nuts 5/16"-18
(Not Provided)
Hex Bolts
5/16"- 18x7/8"
Lock Washers 5/16"
Nuts 5/16"-18
HARDWARE SHOWN ACTUAL SIZE
Lag Screw 5/16"-18xl -7/8"
© ©
Hex Bolt
5/16"-18x7/8" Nut 5/16"-18 Lock Washer 5/16"
Figure 3
Bracket
(Provided)
Preferred range of
bracket placement
Existing Brackets
Hanging Brackets
Utilizing existing top mount installation
16

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Craftsman 139.53919D Specifications

General IconGeneral
BrandCraftsman
Model139.53919D
CategoryGarage Door Opener
LanguageEnglish

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