Chamberlain 349544 Garage Door Opener User Manual


 
3
üAdditional items you may need:
Survey your garage area to see ifyou will need
any ofthe following items:
q
(2) 2X4 PIECES OFWOOD
Maybe used to fasten the header bracketto
the structural supports.Also used to position
the garage door opener during installation
and for testing the safetyreversing sensors.
q
SUPPORT BRACKETAND FASTENING
HARDWARE
Mustbe used ifyou have a finished ceiling in
your garage.
q
EXTENSIONBRACKETS (MODEL
41A5281) ORWOOD BLOCKS
Depending upon garage construction,
extension bracketsor wood blocksmaybe
needed to install the safetyreversing sensor.
q
FASTENING HARDWARE
Alternate floor mounting ofthe safety
reversing sensor will require hardware not
provided.
q
OUTSIDEQUICKRELEASE
(MODEL7702CB)
Required for a garage with NO accessdoor.
q
DOORREINFORCEMENT
Required ifyou have a lightweightsteel,
aluminum, fiberglassor glass panel door.
q
RAIL EXTENSIONKIT
Required ifyour garage door is more than 7
feet(2.13 m) high.
Tools Needed
2
1
3/16
7/16
1/2
5/32
5/16
5/8
9/16
1/4
7/16
Preparation