Chamberlain GA200D Owner's Manual page 14

POSITION THE EXTENSION BRACKET TO POST BRACKET
3
Assemble post bracket by placing the extension bracket on top of post bracket. Insert bolt through
brackets and loosely secure with 3/8" serrated flange nut. DO NOT TIGHTEN AT THIS TIME.
Left-Hand Gate
Hold post bracket in desired position. Align extension bracket to a position as CLOSE AS POSSIBLE
above the marker.
Once the extension bracket is in the desired location,
insert 5/16" ribbed neck bolt with the serrated flange
nut. DO NOT TIGHTEN AT THIS TIME.
Installation
3/8" Ribbed Neck Bolt
Post Bracket
3/8" Serrated Flange Nut
5/16" Ribbed Neck Bolt
5/16" Serrated Flange Nut
Right-Hand Gate
3/8" Ribbed Neck Bolt
Post Bracket
3/8" Serrated Flange Nut
FOR 6" AND LARGER POSTS
An extension bracket is not necessary if the operator
is being installed on a 6" (15 cm) or larger post.
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