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Craftsman 139.53918D User Manual

Craftsman 139.53918D
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Preparing your garage door
Before you begin:
Disable locks.
Remove any ropes connected to garage door.
Complete the following test to make sure your garage
door is balanced and is not sticking or binding:
1. Lift the door about halfway as shown. Release the
door. If balanced, it should stay in place, supported
entirely by its springs.
2. Raise and lower the door to see if there is any
binding or sticking.
If your door binds, sticks, or is out of balance, call a
trained door systems technician.
To prevent possible SERIOUSINJURYOR DEATH:
ALWAYScall a trained door systems technician if garage
door binds, sticks, or is out of balance An unbalanced
garagedoor may not reversewhen required
NEVERtry to loosen, move or adjust garagedoor, door
springs, cables,pulleys, brackets or their hardware,all of
which are under EXTREMEtension
DisableALL locks and removeALL ropes connected to
garagedoor BEFOREinstalling and operating garagedoor
openerto avoid entanglement.
To prevent damageto garage door and opener:
ALWAYSdisable locks BEFOREinstalling and operating the
opener
ONLYoperategarage door opener at 120V, 60 Hzto avoid
malfunction and damage
Sectional Door
One-Piece Door
Tools needed
During assembly, installation and adjustment of the
opener, instructions will call for hand tools as
illustrated below.
Stepladder
Level (Optional)
Pencil
Tape Measure
Wire Cutters
Drill 3/16" 5/16" and
5/32" Drill Bits
ts Scre wd rive r
Hack Saw
Claw Hammer
Adjustable End Wrench

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Craftsman 139.53918D Specifications

General IconGeneral
BrandCraftsman
Model139.53918D
CategoryGarage Door Opener
LanguageEnglish

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