Sears 139.53971SRT Garage Door Opener User Manual


 
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 _sbalanced and _snot sbckmg 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 techmcian.
WARNING
To preventposs_b]eSERIOUSINJURY013DEATH
ALWAYScalla traJneddoor systemsteohmcian_f
garagedoorbrads,st_cks,or is out of balance An
unbalancedgaragedoor may not reversewhen
required
NEVERtry to loosen,move or adjust garagedoer,door
spnngs, cables pulleys, bracketsor theLrhardware,all
of whichare underEXTREMEtension
DisableALL locksand removeALL ropesconnectedto
garagedoor BEFOREinstallingand operatinggarage
door openerto avoid entanglement
CAUTION
To preventdamageto garagedoor andopener
ALWAYSd_sablelocks beforeJnstalhngand operating
the opener
ONLYoperategaragedoor openerat 120V,60 Hzto
avoid malfunctionanddamage
Sectional Door
One-Piece Door
Level
Tools needed
During assembly,mstallabon and adjustment of the
opener, instructions w_llcall for hand tools as
dlustratedbelow
Stepladder
Drill
Pencil
Tape Measure
Wire CutLers
3/16", 5/16'and _--_
5!32" DrLIIBits PherS
Hack Saw
Screwdriver
AdluStable Encl Wrench