Mighty Mule FM500 Green Board - Manual (Page 19)

15
Installing the Post Bracket Assembly and Gate
Step 7
Mark reference points for bolt holes on the fence post through
middle of bracket slots. Marking reference points in this manner
allows room for adjustment when mounting the post bracket
assembly and gate bracket. After marking your reference points,
remove the opener and brackets from the fence and gate.
Step 8
Drill 3 / 8 " holes into fence post as marked.
Step 9
Fasten post bracket assembly to the fence post using
(4)
3 / 8 " x 8" bolts, washers, lock washers, and nuts (provided).
Remove excess bolt length extending beyond the tightened nuts
with a hacksaw or bolt cutters.
NOTE: In cases where the fence post has a diameter larger than
6", threaded rods or carriage bolts longer than 8"
(not supplied) must be used.
Step 10
Mark reference points for bolt holes on the gate cross member
through middle of gate bracket slots. Drill
3 / 8 " holes into the
gate cross member as marked.
Mount gate bracket using (2)
3 / 8 " x 3" bolts, washers, lock washers, and
nuts (provided). Cut off excess bolt length
extending beyond the tightened nuts.
Gate Bracket Mounting Examples
Gate In Open Position 

LEVEL horizontal cross member
Mark cross member through middle of
gate bracket slots and drill 3/8" holes
Round Tube & Chain Link Gate
Square Tube Gate
Mounting Plate 
Created for 
Decorative Gate
(required but not
supplied)

Remove excess bolt length 
with hacksaw or bolt cutters
FRONT VIEW SIDE VIEW FRONT VIEW SIDE VIEW
Round Metal Post
Round Wood Post
Square Metal Post
Square Wood Post
Remove excess bolt length 
with hacksaw or bolt cutters
SIDE VIEW
TOP VIEW
EXAMPLES
Post Bracket
Assembly
Mark fence post through 
middle of bracket slots
and drill 3/8" holes