Product Manual

18 Mighty Mule MM360 Installation Instructions
Step 5
Attach the opener to the securely bolted post bracket assembly and gate bracket using clevis pins, bushings,
and hairpin clips, or optional Pin Locks (FM133). Verify that the opener is level and adjust the post bracket
assembly if necessary.
Installation of the Closed Position Stop
The Mighty Mule Gate Opener firmly holds the gate in the closed position using the closed position
stop plate. The closed position stop helps stabilize the gate leaf in the closed position.
Level Opener
Gate In Open Position
LEVEL horizontal cross member
Post Bracket Assembly
bolted to fence post
Clevis Pin, Bushing, and Hairpin Clip
Clevis Pin, Bushing, and Hairpin Clip
Gate Bracket bolted
to gate cross member
Fence Post
Step 6
Remove hairpin, clevis pin, and washer from front
mount and close the gate (remember to support
opener). Fasten the closed position stop plate to the
end of the gate frame on the gate centerline, but do
not tighten it completely. Slide the stop plate toward
the fence post until they touch (see illustration). Once
you have moved the stop plate to the correct position,
tighten its hardware completely.
Use the appropriate hardware for your type of gate
(use U-bolts if you have a tube or chain link gate; wood
or lag screws for wood gates; etc.). This hardware is
not provided.
Closed Position
Stop Plate
Closed Position Stop Plate mounted
on metal post with U-bolts.
Gate Hinge
The gate opens to 110º (max.)
Fence Post
Gate Post
TOP VIEW
SIDE VIEW
MOUNTING THE OPENER
NOTE: The stop plate will mounted on the inside for a
pull to open installation and on the outside for a push
to open.