Chamberlain D2101 Installation Manual - English - Page 6

Tools Needed, Additional Items You May Need

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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 are a to see if you will need any of the following items: l (2)2X4 Pieces of wood : May beused 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. l Support bracket and fastening hardware: Must beused if you have a finished ceiling in your garage. Support Brackets Hardware x2 (each) l 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. Lag screws x4 Lag screws x12 Extension Brackets - 041A5281-1 Wood Blocks l Fastening hardware: Alternate floor mounting of the safety reversing sensor will require hardware not provided. 7/16 l Doorre inforcement: Required if you have alight weight steel, aluminum, fiber glass or glass panel door. l Rail extension kit: Required if your garage door is more than 7 feet (2.13 m) high. 6

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6
5/16
1/2
3/16
7/16
5/32
9/16
1/4
7/16
Wood Blocks
Extension Brackets – 041A5281-1
Support Brackets
Hardware x2 (each)
Preparation
Tools Needed
Lag screws x4
Lag screws x12
Additional Items You May Need:
Survey your garage are a to see if you will need any of the following items:
(2)2X4 Pieces of wood :
May beused 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 beused if you have a finished ceiling
in your garage.
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.
Fastening hardware:
Alternate floor mounting of the safety reversing sensor will
require hardware not provided.
Doorre inforcement:
Required if you have alight weight steel, aluminum, fiber glass or
glass panel door.
Rail extension kit:
Required if your garage door is more than 7 feet (2.13 m) high.