Preparing Your Garage Door; Tools Needed - Craftsman 139.53927 Manual Del Propietário

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 SERIOUSINJURY OR DEATH:
• ALWAYScall a trained door systems technician if
garage door binds, sticks, or is out of balance. An
unbalancedgarage door may not reverse when
required.
• NEVER try to loosen, move or adjust garage door, door
springs, cables, pulleys, brackets or their hardware, all
of which are under EXTREME tension
• Disable ALL locks and remove ALL ropes connected to
garage door BEFORE installing and operating garage
door opener to avoid entanglement.
To prevent damage to garage door and opener:
• ALWAYSdisable locks BEFORE installing and operating
the opener.
• ONLYoperate garage door opener at 120V,60 Hzto
avoid malfunction and damage
Sectional Door
One-Piece Door
Level
Tools needed
During assembly, installation and adjustment of the
opener, instructions will call for hand tools as
illustrated below.
Pencil
Tape Measure
WireCutters
Hack Saw
Stepladder
3/16', 5/t6' and5/32"
Pliers
SocketsandWrench Screwdriver
1/2,5/8", 7/16",9/16' & 1/4'
Claw Hammer
BoxWrench1/2x 7/16"
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