Carton Inventory - Chamberlain HD920EV Owner's Manual

Preparation

Carton Inventory

Your garage door opener is packaged in one carton which contains the motor unit and all parts
illustrated below. Accessories vary depending on the garage door opener model purchased. Depending
on your model, other accessories may be included with your garage door opener. Instructions for these
accessories will be attached to the accessory and are not included in this manual. If anything is missing,
carefully check the packing material. Hardware for assembly and installation is shown on the next page.
Save the carton and packing material until the installation and adjustment is complete. The images
throughout this manual are for reference only and your product may look different.
A. Header bracket
B. Pulley
C. Door bracket
D. Curved door arm
E. Straight door arm
(Packaged inside front rail section)
F. Trolley
NOTE: Be sure to assemble the trolley before sliding onto rail.
G. Emergency release rope and handle
H. Rail (1 front and 4 center sections)
I. Hanging brackets (2)
(Packaged inside the front rail section)
J. Garage door opener (motor unit)
K. Sprocket cover and screws
L. "U" bracket
M. Belt
N. Door control (Motion-Detecting Control Panel or Smart Control Panel
O. Remote control
®
P. The Protector System
Safety reversing sensors with 2 conductor white and white/black wire attached: Sending Sensor (1),
Receiving Sensor (1), and Safety Sensor Brackets (2)
NOT SHOWN
White and red/white wire
Owner's manual
®
)
3
A
B
F
C
D
E
G
P
OR
M
N
H
K
L
I
J
O