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Control Box
120 Volt indoor
Transformer
(surge protector
not supplied)
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
12 Volt automotive or marine
type battery in weather proof
housing (not included).
This product meets the requirements of UL325 6th Edition, 2016, the standard for gate
operator safety.
Mighty Mule
3121 Hartsfield Road • Tallahassee, FL 32303
Printed in China for GTO Access Systems, LLC.
Installation Manual
Gate Swings Evenly and Freely
Hung Firmly and Plumb
Single Gate Opener
Post Bracket
Power Cable
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
Example of finished installation
(installations vary slightly on different types of gates)
is the retail brand of GTO Access Systems, LLC
®
MM260
Warning Sign
Horizontal Support
Gate Bracket
Closed Position Stop Plate
Fence Post Set in Concrete
ACCESS SYSTEMS, LLC
Copyright
©
Document Number: R26008 REV A (12-15.16)
2016 GTO Access Systems, LLC

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Summary of Contents for Mighty Mule MM260

  • Page 1 MM260 Installation Manual Gate Swings Evenly and Freely Hung Firmly and Plumb Control Box Warning Sign Single Gate Opener Post Bracket Horizontal Support 120 Volt indoor Transformer (surge protector Gate Bracket not supplied) Closed Position Stop Plate Power Cable PVC conduit (not included)
  • Page 2 Product Usage The Mighty Mule Gate Operator meets all of the safety requirements of a Class I Residential Vehicular Gate Operator and is intended for use solely with vehicular swing gates in single-family residential applications that meet the Class I category listed in the table below.
  • Page 3: Table Of Contents

    Table of Contents PLEASE READ THIS FIRST ........................ii IMPORTANT SAFETY INFORMATION ....................iii TECHNICAL SPECIFICATIONS ......................x BEFORE YOU BEGIN ......................xi Powering Options ........................xi Check Existing Gate Size and Material ..................xii Check for Proper Gate Installation ....................xii Gate Grounding ............................xii Items Included ........................
  • Page 4: Please Read This First

    When correctly installed and properly used, reverse direction when it comes in contact with an your Mighty Mule Gate Operator will give you many obstruction. This is factory set to the most sensitive years of reliable service. Please read the following setting and must be adjusted during installation.
  • Page 5: Important Safety Information

    Because Mighty Mule automatic gate operators are only part of the total gate operating system, it is the responsibility of the installer and end user to ensure that the total system is safe for its intended use.
  • Page 6 4. The gate and operator installation must comply with any ap- plicable local codes. ZONE 2 ZONE 1 ZONE 5 ZONE 3 ZONE 4 Entrapment Zones for a Pull-To-Open Application Driveway Gate in the Open Position MM260 Installation Instructions...
  • Page 7 6. Secure outdoor or easily accessed gate operator damage. controls in order to prohibit unauthorized use of the gate. NEVER install any control device within gray area Pull-To-Open Application Moving Gate Area Driveway MM260 Installation Instructions...
  • Page 8 It is your responsibility to post warning disconnect the operator, contact the Mighty Mule signs on both sides of your gate. If any of these Service Department.
  • Page 9 Entrapment Alarm The Mighty Mule Automatic Gate Operator is designed to stop and reverse the gate when the gate comes in contact with an obstruction. Additionally, these operators are equipped with an audio entrapment alarm which will activate if the unit obstructs twice while opening or closing.
  • Page 10 Installing Warning Signs and Pedestrian Gates Warning signs alert people of automatic gate operation and are required when installing Mighty Mule Automatic Gate Operators. A minimum of two WARNING SIGNS must be installed in the area of the gate. Each sign is to be visible by persons located on the side of the gate on which the placard is installed.
  • Page 11 Conforms to UL STD 325 Certified to CSA STD C22.2 No.247 Class I Vehicular Gate 9901178 MM260-0000000 S/N: MMDDYY GTO Access Systems, LLC - Tallahassee, Florida USA Product identification label (1) installed under rear mount on arm. MM260 Installation Instructions...
  • Page 12: Technical Specifications

    OPERATIONAL CAPACITY • The Gate Capacity Chart shows approximate cycles, per day, you can expect from the Mighty Mule Automatic Gate Opener when powered with a transformer and 12 volt battery, prior to the battery depleting to a state where the unit will not function. Actual cycles may vary slightly depending upon the type and condition of gate and installation.
  • Page 13: Before You Begin

    IMPORTANT: • The Mighty Mule gate opener is designed and intended for use with a 12 Volt automotive or marine type battery. The battery must be placed inside a weatherproof case and located within 6 feet of the opener arm. The 8 foot harness supplied connects the battery to the opener arm.
  • Page 14: Check Existing Gate Size And Material

    NOTE: No grounding system absolutely protects against lightning strikes. If installed correctly, a 8 Foot Ground Rod grounding system will help minimize damage to 5/8” Copper Clad Steel (not included) your gate opener. - available at local homecenter and hardware stores - MM260 Installation Instructions...
  • Page 15: Items Included

    3/8” Washer (6) 3/8” x 2-3/4” Bolt (2) 5/16” x 1-1/2” Bolt (1) 3/8” Lock Nut (5) 5/16” Lock Nut (1) 2” Mounting Screw (3) 3/8” x 1-1/2” Clevis Pin (2) 3/8” x 1-1/2” Bolt (1) xiii MM260 Installation Instructions...
  • Page 16: Tools Needed

    Mighty Mule 5 watt solar panel to trickle charge the • Weatherproof cover for outdoor outlet and battery. See the accessory catalog (Do not use both transformer.
  • Page 17: Gate Opener Installation

    Swing gate and opener arm to the CLOSED position-check clearance/ binding by inspecting alignment. Arm stroke should be a minimum opener. of 7” and maximum of 13”. TIP: Turning the pivot bracket over gives more hole alignment options for the post pivot bracket assembly. MM260 Installation Instructions...
  • Page 18 6 11 Drill holes completely through gate post and gate cross sup- Attach post bracket assembly to fence post. NOTE: Must be port. through bolted. MM260 Installation Instructions...
  • Page 19: Closed Position Stop Plate Installation

    Position gate stop with gate CLOSED to fence post. Tighten ing edge of the gate with one of the following: fasteners. Cut off excess bolt length. • U-bolts—tube and chain link gates (Not included) • Wood/lag screws—flat aluminum/wood supports (Not included). MM260 Installation Instructions...
  • Page 20: Control Box And Battery Installation

    Ped estr Max 1,000 Ft GTO Transformer Mounts Here Use PVC conduit from ground up to control box. Locate power outlet and identify wire path to control box. NOTE: If OUTLET is OUTSIDE use weatherproof cover. MM260 Installation Instructions...
  • Page 21: Transformer Wiring Installation

    P G O T a ll In c . G T O Attach cover back onto the control box. Plug in transformer to power outlet. (Use of a surge protector is highly recommended. If outdoors use weatherproof box.) MM260 Installation Instructions...
  • Page 22: Solar Panel Installation

    P G O In c . G T O BLACK BLACK attach BLACK to the ‘COM’ terminal attach RED to the ‘CHGR’ terminal For multiple solar panels, wire the panels in parallel as shown. Reattach cover. Turn power on. MM260 Installation Instructions...
  • Page 23: Setting Personal Transmitter Code

    SETTING PERSONAL TRANSMITTER CODE All Mighty Mule transmitters are set to a standard code at the factory and are ready to operate your gate opener. For your safety and security, we strongly recommend that you replace the factory setting with your own personal code. Follow the...
  • Page 24: Setting Closed Limit Position

    Press and hold transmitter again; gate should start opening. Gate operator’s closed position is now set. Press and release Release transmitter button when single audible alarm sounds transmitter to close gate for normal operation. indicating that gate has reached OPEN position. MM260 Installation Instructions...
  • Page 25: Setting Dual Sense Detection And Auto Close Time

    NOTE: The stall force setting must at the lowest (minimum) possible position. CAUTION For safety reason the Dual Sense Stall Force setting on the Mighty Mule control board comes from the factory set at MIN (minimum). This setting may need adjustment depending on the size and weight of the gate.
  • Page 26: Connecting Additional Devices

    CONNECTING ADDITIONAL DEVICES Mighty Mule strongly recommends the use of additional obstruction detection devices however we do not endorse any specific brand names. Only use products that are listed to be in compliance with any applicable UL safety standards and national and regional codes.
  • Page 27: Control Board Connections

    Activation of this input while idle will prevent gate from running. COM: • Common/Negative terminal for accessory devices. LOCK +: Positive terminal to connect GTO electro-mechanical lock. (FM143) LOCK - : Negative terminal to connect GTO electro-mechanical lock. (FM143) MM260 Installation Instructions...
  • Page 28: Connecting Accessories

    Mighty Mule Vehicle Sensor Refer to Vehicle Sensor Mighty Mule Keypad manual for additional information if needed. NOTE: Connections are for typical applications. For additional connection options not illustrated here refer to the accessory manual for details. MM260 Installation Instructions...
  • Page 29: Maintenance

    Monthly, turn off the power switch and disconnect the Mighty Mule and move the gate to make sure the gate is moving freely without sticking or binding. Lubricate the hinges or repair the gate as required before reattaching the Mighty Mule.
  • Page 30 • Power at AC outlet. • Output of Transformer. • Voltage on wire at 18 VAC Input Solar: • Solar Panel Wires Reversed • Weather • Solar Panel Placement • Output of Solar Panel • Voltage on wire at Solar Input MM260 Installation Instructions...
  • Page 31: Repair Service

    REPAIR SERVICE If your Mighty Mule Gate Opener is not operating properly, please follow the steps below: 4. If repair or replacement of your gate opener is 1. First use the procedures found in the Maintenance & necessary, the Service Department will assign a Troubleshooting Guide (see page 13 and 14).
  • Page 32: Conversion Chart

    Refer to this information when calling GTO for service or assistance with your automatic gate opener. Serial Number ____________________ Date of Purchase ____________________ Place of Purchase ____________________ Remember to keep all receipts for proof of purchase. MM260 Installation Instructions...
  • Page 33: Accessories

    (sold separately). Pin Lock (FM133) The Pin Lock substitutes for the clevis pin at the front end of the Mighty Mule gate openers. Helps prevent theft of the operator from the gate, while allowing quick release of the operator.
  • Page 34 Copyright infringement is a violation of federal law. Mighty Mule¨, E-Z Gate¨, GTO¨, “Dual Sense Technology” are registered trademarks of GTO Access Systems, LLC, America’s DIY Automatic Gate Openers is a trademark of GTO Access Systems, LLC and are the exclusive property of GTO Access Systems, LLC (“GTO”).
  • Page 35 Gate Operator Installation Checklist The gate has been checked to make sure it is level and moves freely in both directions. Potential pinch areas have been guarded so as to be inaccessible OR have sensing edges and/or photo beam obstruction detection devices installed. The installer has installed one or more contact or non-contact obstruction sensing devices, if required for this installation.
  • Page 36 3121 Hartsfield Road • Tallahassee, Florida, USA 32303 Telephone Mighty Mule Sales: 1-800-543-4283 • Fax (850) 575-8912 or Mighty Mule Technical Service: 1-800-543-1236 • Fax (850)575-8950 www.mightymule.com...

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