Chamberlain B2202C Manuel D'installation page 4

Preparation
Tools Needed
5/32
3/16
5/16
1/2
1/4
7/16 9/16
Additional Items You May Need:
Survey your garage area to see if you will need any of the following items:
(2) 2X4 Pieces of wood : May be used to fasten the header bracket to the structural supports. Also

used to position the garage door opener during installation and for testing the safety reversing
sensors.
Support bracket and fastening hardware: Must be used if you have a finished ceiling in your garage.

Support Brackets
Extension brackets (Model 041A5281-1) or wood blocks: Depending upon garage construction,

extension brackets or wood blocks may be needed to install the safety reversing sensor.
Extension Brackets – 041A5281-1
Fastening hardware: Alternate floor mounting of the safety reversing sensor will require hardware not

provided.
Door reinforcement: Required if you have a lightweight steel, aluminum, fiberglass or glass panel door.

Rail extension kit: Required if your garage door is more than 7 feet (2.13 m) high.

7/16
4
Hardware x2 (each)
Lag screws x4
Wood Blocks
Lag screws x12