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ADDING AN ADDITIONAL HANGING BRACKET:
Cut the enclosed hanging bracket (cross brace) to fit across the installed
hanging brackets. Fasten the cross brace to the top and bottom hole of the
hanging brackets (Figure 3 and Figure 4) using 5/16" -18x7/8" hex bolts,
5/16 lock washers and 5/16" -18 nuts.
Figure 3
Lock Washer 5/16"
Nut 5/16"-18
Lock Washer 5/16"
Nut 5/16"-18
HARDWARE SHOWN ACTUAL SIZE
Hex Bolt
5/16"-18x7/8"
Hanging Bracket (Cross Brace) Not shown actual size
Hanging Bracket
(Cross Brace)
Hex Bolt 5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
To avoid possible SERIOUS INJURY from a falling garage door
opener, fasten it SECURELY to structural supports of the garage.
Concrete anchors MUST be used if installing any brackets into
masonry.
Figure 4
Lock Washer 5/16"
Nut 5/16"-18
Lock Washer 5/16"
Nut 5/16"-18
REPLACEMENT PARTS
Part No.
Description
41A5807-2
10' Chain/Cable Assembly
183C157-10
Center Rail Section
41A3021
Rope
4A1008
Master Link Kit
2
Hanging Bracket
(Cross Brace)
Hex Bolt 5/16"-18x7/8"
Qty
www.chamberlain.com
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