Chamberlain PD220 - Additional Items You May Need; Tools Needed

2
Additional Items You May Need:
Surve y your garage are a to see if you will need any of the following items:
n (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 insta llation and for testing the safety reversing sensors.
n SUPPORT BRACKET AND FASTENING HARDWARE
Must be used if you haveafinished ceiling in your garage.
n EXTENSION BRACKETS (MODEL 041A5821-1) OR WOOD BLOCKS
Depending upon gar age construction, extension brackets or wood blocks may be needed to
install the safety reversing sensor.
n FASTENING HARDWARE
Alternate floor mounti ng of th e safety r eversing sensor will require hardware not provided.
n DOOR REINFORCEMENT
Required if you havealightweight steel, aluminum, fiberglass or glass panel door.
Tools Needed
2
1
3/16
7/16
1/2
7/32
5/16
3/8
7/16
1/2
Prepa ratio n