3
The Chamberlain Group, Inc.
Testing Force Setting
New GDO Manual
2/1/92
Sectional Door
One-Piece Door
The Chamberlain Group, Inc.
Testing Force Setting
New GDO Manual
2/1/92
Pliers
Wire Cutters
Claw Hammer
Hack Saw
Screwdriver
1/2" x 7/16" Box Wrench
1/2" and 7/16" Sockets
and Wrench
Drill
Tape Measure
2
1
Stepladder
Pencil
3/16", 5/16", and
5/32" Drill Bits
Carpenter's
Level
Pince
Pince coupante
Marteau
Scie à métaux
Tournevis
Clé fermée 1/2 x 7/16 po
Clé à douille et douilles
1/2 et 7/16 po
Perceuse
Ruban à mesurer
2
1
Escabeau
Crayon
Forets de 3/16,
5/16 et 5/32 po
Niveau de
menuisier
During assembly, installation and adjustment of the opener, instructions will call for tools shown below.
An unbalanced gara ge door might not re verse 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 service.
Garage doors, door
springs, cables, pulleys, brackets, and their hardware are
under extreme tension and can cause serious injur y or
death. Do not tr y to loosen, mo ve or adjust them
yourself!
Ropes left on a gara ge door could cause someone to
become entangled and killed. Remove all r opes
connected to the door before installing and operating the
opener.
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.
Identify the type and height of your door, any special
conditions that exist, and any additional materials that
may be required. Refer to pages 6 and 7.
Test Your Door for Balance
Before you begin, complete the following test 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
sticking.
Safety Information and Precautions; Tools