Chamberlain 7520D 1/2 HP Garage Door Opener User Manual


 
6
2-Conductor Bell Wire
White & White/Red
Chain and Cable in
Dispensing Carton
Curved Door
Arm Section
Straight Door
Arm Section
Safety Labels
and
Literature
Hanging Brackets
Door Bracket
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached
Safety Sensor
Bracket (2)
Motor Unit with 2 Light Lenses
Header Bracket
Idler Pulley
"U" Bracket
Trolley
Chain Spreader
Rail
Center/Back
Sections
Rail
Front (header)
Section
Lighted Door Control Button
with (2) screws 6ABx1-1/2"
SECURITY
®
Single-Button Remote Control (2)
Your garage door opener is packaged in one carton
which contains the motor unit and all parts illustrated
below. Accessories will depend on the model
purchased. If anything is missing, carefully check the
packing material. PARTS MAY BE STUCK IN THE
FOAM. Hardware for assembly and installation is
shown on the next page. Save the carton and
packing material until installation and adjustment is
complete.
Carton Inventory