You'll Need Tools; Salety Informmjonregarding Garage Door Locks And Ropes; Bindingand Balance - Craftsman 139.53678SRT Owner's Manual

1/2 hp
Table of Contents

Advertisement

You'll Need Tools
During assembly, installation and adjustment of the opener, instructions will call for hand tools shown below.
Stepladder
Drill
Hack Saw
Tape Measure
(_
Wire Cutters
5/16" _nd
_
_..._
Claw Hammer
3/16",
5/32' Drill Bits
Screwdriver
AdjustableEndWrench
An unbalanced garage door might not reverse
when required
and someone
under the door
could be seriously Injured or killed.
If your garage door binds, sticks or is out of
balance,
call for professional
garage
door
sorvice. Garage doors, door springs,
cables,
pulleys, brackets and their hardware are under
extreme tension and can cause serious injury
or death. Do not by to loosen, move or adjust
them youreelfl
Ropes
left on a garage
door could
cause
someone
to become
entangled
and killed.
Remove all ropes connected to the door before
installing and operstlng the opener.
Identify the type and height of your door and any
special conditions that exist and any additional
materials that may be required by referring to the lists
on page 4 or page 5.
To avoid
damage
to the garage
door and
opener,
disable
locks before
installing
and
operating the opener. Use a wood screw or nail
to
hold
locks
in the
"open"
(unlocked)
position.
Operation at other than 120V 60 Hz will cause
opener malfunction and damage.
Before you begin, complete
the following teat to
make sure your door is balanced, and is not
sticking or binding:
• Lift the door about halfway as shown. Release the
door. It should stay in place, supported entirely by
its springs.
• Raise and lower the door to see if there is any
binding or sucking.

Advertisement

Table of Contents
loading

Table of Contents