Step 3: Determine Mounting Location; Step 4: Assemble Gate Post Bracket (Pull-To-Open) - Chamberlain LA400 Installation And Operation Manual

Step 3: Determine Mounting Location

The gate post bracket assembly can be mounted several places on the gate post. Refer to the illustrations on page 10
for the ideal mounting location.
Refer to the illustrations below to determine the appropriate dimensions for the Pull-To-Open bracket.
NOTE: It may be necessary to add shims (angle iron, sheets of metal or wood) to the gate post to achieve the required
dimensions.
Gate Post
Gate Hinge Point
Operator
Hinge Point
7" (18 cm)
Gate Post
Gate Hinge Point
7" (18 cm)
Operator
Hinge Point
7" (18 cm)

Step 4: Assemble Gate Post Bracket (Pull-to-Open)

Assemble Gate Post bracket by placing Pull-To-Open bracket on top of Post bracket. Insert bolt through both brackets
and secure with washer, lock washer and nut. Insert second bolt through both brackets and secure with washer, lock
washer and nut.
3/8" Hex Bolt
Gate Post
7" (18 cm)
Operator
Hinge Point
7" (18 cm)
Gate Post
Gate Hinge Point
Operator
Hinge Point
7" (18 cm)
Pull-to-Open
Bracket
Post Bracket
3/8" Washer
3/8" Lock Washer
3/8" Nut
13
Gate Post
Gate Hinge Point
7" (18 cm)
Gate Post
7" (18 cm)
5/16" Hex Bolt
5/16" Washer
5/16" Lock Washer
Gate Hinge Point
7" (18 cm)
Operator
Hinge Point
7" (18 cm)
Gate Hinge Point
7" (18 cm)
Operator
Hinge Point
7" (18 cm)
Pull-to-Open
Bracket
Post Bracket
5/16" Nut