Installation Manual
MM260
Installation Manual
Receiver
Control Box
Gate Swings Evenly and Freely
Hung Firmly and Plumb
Warning Sign
Single Gate Opener
120 Volt indoor
Transformer
Post Bracket
Horizontal Support
Gate Bracket
(surge protector
not supplied)
Closed Position Stop Plate
Power Cable
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
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).
Fence Post Set in Concrete
Example of finished installation
(installations vary slightly on different types of gates)
This product meets and exceeds the requirements of UL325 6th Edition, 2016, the standard
which regulates gate operator safety.
GTO Sales: 800-543-4283 • Fax 850-575-8912
GTO Technical Service 800-543-1236
For 24 hour/day, 7 day/week Technical Service visit http://support.gtoinc.com
For more information on Mighty Mule’s full line of Automatic Gate Operators and Access Controls visit
www.mightymule.com
Mighty Mule® is the retail brand of GTO Access Systems, LLC
3121 Hartsfield Road • Tallahassee, FL 32303
Printed in China for GTO Access Systems, LLC.
ACCESS SYSTEMS, LLC
Copyright© 2016 GTO Access Systems, LLC
Document Number: R26008 REV A (04.19.16)
WARNING
This equipment meets Underwriters Laboratory Standard 325 (UL 325). However, gate equipment has
hazards associated with its use and therefore by installing this product the installer and user accept
full responsibility for following and noting the installation and safety instructions. Failure to follow
installation and safety instructions can result in hazards developing due to improper assembly. You agree
to properly install this product and that if you fail to do so GTO Access Systems, LLC, shall in no event
be liable for direct, indirect, incidental, special or consequential damages or loss of profits whether based
in contract tort or any other legal theory during the course of the warranty or at any time thereafter. The
installer and/or user agree to assume responsibility for all liability and use of this product releasing GTO
Access Systems, LLC, from any and all liability. If you are not in agreement with this disclaimer or do
not feel capable of properly following all installation and safety instructions you may return this product
for full replacement value.
READ ALL INSTRUCTIONS CAREFULLY AND COMPLETELY before attempting to install and
use this automatic gate operator. This gate operator produces a high level of force. Stay clear of the unit
while it is operating and exercise caution at all times.
ALL AUTOMATIC GATE OPERATORS ARE INTENDED FOR USE ON VEHICULAR GATES ONLY.
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.
Vehicular Gate Operator Class Categories
Residential Vehicular Gate Operator-Class I:
A vehicular gate operator (or system) intended for
use in garages or parking areas associated with a
residence of one-to-four single families.
Commercial/General Access Vehicular Gate
Operator-Class II: A vehicular gate operator (or
system) intended for use in a commercial location
or building such as a multi-family housing unit (five
or more single family units), hotel, garages, retail
store, or other buildings accessible by or servicing
the general public.
Industrial/Limited Access Vehicular Gate
Operator–Class III: A vehicular gate operator (or
system) intended for use in an industrial location or
building such as a factory or loading dock area or
other locations not accessible by or intended to service
the general public.
Restricted Access Vehicular Gate Operator–
Class IV: A vehicular gate operator (or system)
intended for use in an industrial location or building
such as a factory or loading dock area or other
locations not accessible by or intended to service the
general public.
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........................................................................................................................ xiii
Tools Needed......................................................................................................................... xiv
Items Not Included.................................................................................................................. xiv
GATE OPERATOR INSTALLATION........................................................................................... 1
CLOSED POSITION STOP PLATE INSTALLATION.................................................................. 3
CONTROL BOX AND BATTERY INSTALLATION..................................................................... 4
TRANSFORMER WIRING INSTALLATION .............................................................................. 5
SOLAR PANEL INSTALLATION ............................................................................................... 6
SETTING PERSONAL TRANSMITTER CODE ......................................................................... 7
SETTING CLOSED LIMIT POSITION ...................................................................................... 8
SETTING STALL FORCE AND AUTO CLOSE TIME ............................................................... 9
CONNECTING SAFETY DEVICES ......................................................................................... 10
CONTROL BOARD CONNECTIONS ..................................................................................... 11
CONNECTING ACCESSORIES ............................................................................................. 12
MAINTENANCE ..................................................................................................................... 13
TROUBLESHOOTING GUIDE ................................................................................................ 13
REPAIR SERVICE ................................................................................................................... 15
CONVERSION CHART ........................................................................................................... 16
ACCESSORIES ...................................................................................................................... 17
Please Read This First!
Thank you for purchasing a Mighty Mule Gate
Operator—GTO's "do-it-yourself" automatic gate
operator! When correctly installed and properly used,
your Mighty Mule Gate Operator will give you many
years of reliable service. Please read the following
information and watch the enclosed video to ensure
you have the correct system for your particular
needs. Furthermore, this manual and the DVD will
enable you to properly install your Mighty Mule Gate
Operator.
The Mighty Mule Gate Operator is designed for
installation on a pull-to-open single leaf gate (gates
that open into the property). By purchasing an
accessory bracket, the Mighty Mule Gate Operator can
accommodate a push-to-open single leaf gate (gates
that open out from the property). The gate must not
exceed 18 feet in length and weigh more than 350
pounds or exceed 8 feet in length and weigh more
than 850 pounds (please see Technical Specifications
on page 9). The Mighty Mule Gate Operator can be
used on vinyl, aluminum, chain link, farm tube, and
wrought iron gates. Use on solid surface gates is
not recommended. Solid surface gates have a high
resistance to the wind. If the wind is strong enough,
the operator will obstruct and stop.
The Mighty Mule Gate Operator accommodates
extra transmitters, digital keypads, solar panels, push
buttons, automatic gate locks, and other access control
products. These optional accessories (see the enclosed
Mighty Mule Accessory Catalog) are available at most
stores. Your store should be able to special order any
accessory not in stock. If your store cannot special
order accessories, please call the Mighty Mule Sales
Department (800-543-GATE).
The Mighty Mule Gate Operator features Dual Sense
Technology™. This feature makes the gate stop and
reverse direction when it comes in contact with an
obstruction. This is factory set to the most sensitive
setting and must to be adjusted during installation.
The Mighty Mule Gate Operator also has an adjustable
auto-close feature. After the gate reaches the fully
open position, it can be set to remain open up to 120
seconds before automatically closing. Pressing the
transmitter button at any time after the gate opens fully
will cause it to close immediately. OFF is the factory
setting; meaning the gate will stay open until you press
the transmitter (or keypad, etc.) again.
NOTE—If your application requires any of the
following:
• Swing gates longer than 18 feet or weighing
more than 850 pounds
• Slide gates
• Heavy duty or commercial uses
• Professional installation
Go to www.gtoaccess.com for a dealer or retailer near
you or call (800) 543-4283 for information about our
Linear PRO Access professional line of gate operators
and accessories. Our Sales Department will be glad to
give you the name and phone number of a Linear PRO
Access dealer near you.
BEFORE YOU BEGIN TO INSTALL YOUR AUTOMATIC GATE OPERATOR:
watch the enclosed video and read these instructions carefully and completely
to become familiar with all parts and installation steps. The video is only designed as an
overview of the installation procedure. You must read the installation manual for detailed
instructions on gate operator safety and proper use of the gate operator.
ii Mighty Mule FM260 Installation Instructions
Important Safety Information
Because automatic gate operators produce high levels
of force, consumers need to know the potential hazards
associated with improperly designed, installed, and
maintained automated gate operator systems. Keep in
mind that the gate operator is just one component
of the total gate operating system. Each component
must work in unison to provide the end user with
convenience, security, and safety.
this manual cannot be completely exhaustive in
nature. They do, however, provide an overview of
the safe design, installation, and use of this product.
CAREFULLY READ AND FOLLOW ALL
SAFETY PRECAUTIONS, WARNINGS, AND
INSTALLATION INSTRUCTIONS TO ENSURE
THE SAFE SYSTEM DESIGN, INSTALLATION,
AND USE OF THIS PRODUCT.
This manual contains various safety precautions and
warnings for the installer end user. Because there
are many possible applications of the gate operator,
the safety precautions and warnings contained in
Warnings in this manual are identified with
this warning symbol. The symbol identifies
conditions that can result in damage to the operator or
its components, serious injury, or death.
Because Mighty Mule automatic gate operators are only part of the total gate operating system, it is the
responsibility of the installer or end user to ensure that the total system is safe for its intended use.
Manually Opening and Closing Gate
CAUTION
The gate will move freely and uncontrolled when the gate operator is removed from the gate. ONLY disconnect the operator when the control box power switch is OFF and the gate is NOT moving.
Disconnecting the Operator
Front Mount
1. Turn control box power switch OFF.
2. Remove hairpin clip, clevis pin, and bushing from
either the front or rear mounting point.
Clevis Pin
Gate Bracket
3. Remove the operator from the mount.
The gate can be opened and closed manually
when the operator is disconnected.
Bushing
Hairpin Clip
NOTE: Substitute a Pin Lock for the clevis pin on the front mount of the
gate operator to prevent unauthorized removal of the operator from the
gate (see accessory pages in back of this book). Mighty Mule FM260 Installation Instructions
iii
Important Safety Information
For the Installer and End User
WARNING
To reduce the risk of injury or death:
1. READ AND FOLLOW ALL INSTRUCTIONS. Failure 3. The gate must be installed in a location that
provides adequate clearance between it and
to meet the requirements set forth in the instruction manual
adjacent structures when opening and closing to
could cause severe injury and/or death, for which the
reduce the risk of entrapment. Swinging gates
manufacturer cannot be held responsible.
must not open into public access areas.
2. When designing a system that will be entered from a high 4. The gate and gate operator installation must
way or main thoroughfare, make sure the system is placed
comply with any applicable local codes.
far enough from the road to prevent traffic congestion.
I. Before Installation
4. This gate operator is intended for vehicular gates
ONLY. A separate entrance or gate must be
installed for pedestrian use (see page 7).
1. Verify this operator is proper for the type and size of
gate, its frequency of use and class of the gate system.
2. Make sure the gate has been properly installed and
swings freely in both directions. Repair or replace all
worn or damaged gate hardware prior to installation. A
freely moving gate will require less force to operate and
will enhance the performance of the operator and safety
devices used with the system (see page 10).
3. Review the operation of the system to become familiar
with its safety features. Understand how to disconnect
the operator for manual gate
operations (see page 2).
5. Always keep people and objects away from the gate and
its area of travel. NO ONE SHOULD CROSS THE
PATH OF A MOVING GATE.
6. Pay close attention to the diagram below and be aware
of these potential entrapment zones at all times.
7. Identify all of the entrapment zones for the type of
installation. An entrapment zone is an area around the
automatic gate system where a person or object could
be caught that increases the risk of injury. Entrapment
zones must be eliminated or protected with entrapment
protection devices such as photo beams or sensing edges
that connect to the gate operator.
ZONE 2
ZONE 1
ZONE 3
Entrapment
Zones for a
Pull-To-Open
Application
iv Mighty Mule FM260 Installation Instructions
ZONE 5
ZONE 4
Driveway
Gate in the
Open Position
Important Safety Information
For the Installer and End User
Entrapment Zones are shown in the diagrams on page 3:
Zone 1 – leading edge of the gate and the fence post.
Zone 2 – between the gate and the gate post.
Zone 3 – the path of the gate.
Zone 4 – the space between the gate in the open position and any object such as a wall, fence, tree, etc.
Zone 5 – pinch points between the operator and gate.
II. During Installation
1. Install the gate operator on the inside of the property and fence line. DO NOT install an operator
on the outside of the gate where the public has
access to it.
2. Be careful with moving parts and avoid close
proximity to areas where fingers or hands could
be pinched.
3. Devices such as contact sensors (sensing
edges) and non contact sensors (photo beams)
provide additional protection against entrapment.
4. If push buttons or key switches are installed, they
should be within sight of the gate, located at least
10 feet from any moving part of the gate (see
diagram below). Never install any control device
where a user will be tempted to reach through
the gate to activate the gate operator.
5. Do not activate your gate operator unless you can
see it and can determine that its area of travel is
clear of people, pets, or other obstructions. Watch
the gate through its entire movement.
6. Secure outdoor or easily accessed gate operator
controls in order to prohibit unauthorized use of
the gate.
NEVER install
any control device
within gray area
Pull-To-Open
Application
10'
10'
10'
Moving Gate
Area
Driveway
10'
Mighty Mule FM260 Installation Instructions
v
Important Safety Information
For the Installer and End User
III. After Installation
1. Attach the warning signs (included) to each side
of the gate to alert the public of automatic gate
operation. It is your responsibility to post warning
signs on both sides of your gate. If any of these
signs or warning decals becomes damaged,
illegible, or missing, replace them immediately.
Contact GTO for free replacements.
2. The gate is automatic and could move at any
time, posing serious risk of entrapment. No one
should be in contact with the gate when it is
moving or stationary.
3. Do not attempt to drive into the gate area while
the gate is moving; wait until the gate comes to a
complete stop.
4. Do not attempt to “beat the gate” while the gate is
closing. This is extremely dangerous.
5. Do not allow children or pets near your gate.
Never let children operate or play with gate
controls. Keep the remote control away from
children and unauthorized users; store controls
where children and unauthorized users do not
have access to them.
6. KEEP GATES PROPERLY MAINTAINED.
Always turn power to operator OFF before
performing any maintenance. Clean the
push-pull tube with a soft, dry cloth and apply
silicone spray to it at least once per month.
7. Service the gate and gate operator regularly.
Lubricate hinges, spray push pull tube with high
quality silicone spray monthly and replace the
battery every 2-3 years. See page 33 for maintenance procedures.
vi Mighty Mule FM260 Installation Instructions
8. To operate this equipment safely, YOU must know
how to disconnect the operator for manual gate
operation (see page 2). If you have read the instructions and still do not understand how to disconnect the operator, contact the Mighty Mule Service
Department.
9. Disconnect the operator ONLY when the power
is TURNED OFF and the gate is NOT moving.
10. Make arrangements with local fire and law
enforcement for emergency access.
11. Distribute and discuss copies of the
IMPORTANT SAFETY INFORMATION
section of this manual with all persons
authorized to use your gate.
12. IMPORTANT: Save these safety instructions.
Make sure everyone who is using or will be
around the gate and gate operator are aware of
the dangers associated with automated gates.
In the event you sell the property with the gate
operator or sell the gate operator, provide a
copy of these safety instructions to the new
owner.
Should you need a replacement manual, a copy
can be obtained by downloading one from the
Mighty Mule® web site (www.mightymule.
com), by contacting GTO, at 3121 Hartsfield
Road, Tallahassee, Florida 32303 or by calling 1-800-543-4283 and requesting a duplicate
copy. One will be provided to you for a nominal fee.
Important Safety Information
For the Installer and End User
Mighty Mule gate operators utilize Dual Sense Technology™ entrapment protection. Dual Sense Technology™ is build into every Mighty Mule and provides
redundant methods of entrapment protection for open
and close gate directions.
In addition to Dual Sense Technology, every Mighty
Mule gate controller has provisions for the connection
of additional obstruction detection devices such as
sensing edges and photo beams.
These devices may be located where there is an
increased risk of obstruction. Refer to the diagram
below.
One or more edge sensors may be located at the leading edge, bottom edge, and post edge, both inside and
outside of a vehicular swing gate system.
Wiring to sensors must be located and arranged so the
wiring between the sensor and the gate operator is not
subjected to mechanical damage.
A wireless sensor such as one that
transmits radio frequency (RF) signals to the gate
operator for obstruction protection functions shall be
located where the transmission of the signals is not
obstructed or impeded by building
structures, natural landscaping or similar
obstruction.
Leading Edge
of the gate
Vehicular Gate
Photo Beams
(recommended, not included)
Sensing Edges
(recommended, not included)
Photo Beams
(recommended, not included)
Entrapment Protection
Mighty Mules’s build in Dual Sense Technology™ entrapment protection, even when properly adjusted, may not be sensitive enough to prevent bodily injury in some circumstances. For this reason, devices such as sensing edges (or photoelectric sensors), which stop and reverse gate direction upon sensing an obstruction, are required for enhanced protection
against entrapment.
Entrapment Alarm
The Mighty Mule 560 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. This alarm will sound for a period of 5 minutes, or until the operator receives an intended signal from a hard wired entry/exit source (e.g. push button control or keypad) and the gate returns to a
fully open or fully closed position. Turning the power switch on the control box OFF and back ON will also deactivate the
alarm. Wireless controls such as transmitters and wireless keypads will not deactivate the alarm.
Mighty Mule FM260 Installation Instructions
vii
Important Safety Information
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.
The operator is intended for installation only on gates used for vehicles. Pedestrians must be supplied with a separate access opening. The pedestrian access opening shall be designed to promote pedestrian usage. Locate the gate
such that persons will not come in contact with the vehicular gate during the entire path of travel of the vehicular
gate.
We recommend using the GTO Bulldog Pedestrian Gate Lock (Call the GTO Sales Department at 800-543-4283)
for controlled access.
Pedestrian Gate Lock
(recommended, not included)
Warning Sign
Pedestrian Gate
Vehicular Gate
Warning Signs
The gate operator is provided with 2 safety warning signs.
The signs MUST be installed on the front and back of the
gate where they will be visible in the area of the gate.
Permanently secure each warning sign to the gate.
Immediately replace a damaged or missing warning sign.
viii Mighty Mule FM260 Installation Instructions
!
Required Safety Precautions for Gates
These warning labels should be found at the locations specified below. If any of them are missing, immediately
contact GTO for replacements.
®
260
1. KEEP CLEAR! Gate may move at any time.
2. Do not allow children to operate gate or play in gate area.
3. This gate is for vehicles only. Pedestrians must use separate entrance.
Maximum Gate: 300 lbs. (136.1 kg); 12 ft. (3.7 m) • Voltage: 12 Vdc;
Frequency: 0Hz; Power: 25W • Class I Vehicular Swing Gate Operator
Logo and warning labels (2) installed on each side of
opener housing
TO MANUALLY OPEN AND CLOSE THE GATE
1. Turn opener power switch OFF.
2. Disconnect front or rear mount from mounting bracket.
3. Pull opener away from mounting bracket and move gate.
®
www.mightymule.com • 800-543-4283
Disconnect opener ONLY when the power switch is
OFF and the gate is not moving.
Control box label (1) installed on front of control box
MM200 SERIES
DC Swing Gate Operator
P/N MM260
9901178
MMDDYY
Conforms to UL STD 325
Certified to CSA STD C22.2 No.247
Class I Vehicular Gate
S/N: MM260-0000000
GTO Access Systems, LLC - Tallahassee, Florida USA
Product identification label (1)
installed under rear mount on arm.
Mighty Mule FM260 Installation Instructions
ix
Technical Specifications
Mighty Mule 260 Gate Opener
DRIVE
• Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-20 ºC to +71 ºC).
• Powered by a 12 V motor with integral gear reducer. Motor speed reduced to 260 rpm.
• Maximum opening arc of 110º. Approximate opening time (90º): 18 seconds, depending on weight of gate.
POWER
• The system is powered by a 12 Vdc automotive or marine battery.
• Battery charge is maintained by Mighty Mule transformer or optional Mighty Mule Solar Panels.
IMPORTANT: Never use both transformer and solar panel - this will damage the battery and control board.
• One (1) blade-style fuse is rated for 15 A.
NOTE: The transformer should not be directly connected to any battery. Do not replace fuses with higher ampere rated fuses; doing so will void your warranty and may damage your control board.
CONTROL
• GTO microprocessor-based control board for single leaf, pull-to-open gate installations.
• A circuit on the control board regulates charging. "Sleep draw" is 15 mA; "active draw" is 2 to 5 A.
• Auto-memorization of digital transmitter code.
• GTO RF receiver tuned to 318 MHz.
• Opener length with push-pull tube fully retracted is 263/8", mounting point to mounting point. Maximum
stroke is 13".
• Adjustable auto-close timer (OFF, 3 to 120 seconds), and obstruction sensitivity.
• Power terminal block accommodates a transformer or solar panels.
• Accessory terminal block fully compatible with all Mighty Mule access controls.
• Control board allows connection of safety edge sensors and photoelectric sensors.
• Audio entrapment alarm sounds if unit encounters an obstruction twice while opening or closing.
OPERATIONAL CAPACITY
• The Gate Capacity Chart shows approximate cycles, per day, you can expect from the Mighty Mule 260 Automatic Gate Opener when
powered with a transformer. Actual cycles may vary slightly depending upon the type and condition of gate and installation.
Mighty Mule 260 Gate Capacity /Cycle Chart
Gate Weight
Estimated number of daily cycles, based on use with a transformer.
300 lbs.
150 lbs.
100 lbs.
50 lbs.
Number of Cycles Per Day
77
72
67
82
77
72
87
82
77
92
87
82
5’ - 6’
8’
10’
Gate Length
62
67
72
77
12’
* These specifications are subject
to change without notice.
NOTE: BALL BEARING HINGES SHOULD BE USED ON ALL GATES WEIGHING OVER 250 LB.
To determine the number of cycles the gate opener will perform using solar panels, please see the specifications listed on page xi.
* An operation cycle is one full opening and closing of the gate.
x Mighty Mule FM260 Installation Instructions
Before You Begin
POWERING OPTIONS
1. Determine Charging Option for Battery: Transformer OR Solar
NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT
THE SAME TIME. It will damage the control board.
IMPORTANT:
•
The Mighty Mule 260 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.
•The transformer is designed for indoor use. If the transformer can be plugged only into an outside electrical
outlet, a weatherproof cover/housing (available at local electrical supply stores) must be used.
• If your gate is more than 1000 ft. from an AC power source, you will need to use at least 5 watts solar charging
power to charge the battery [FM121]. Refer to the Solar Panel and Gate Activity chart below.
•All low voltage wire used with the Mighty Mule Gate Opener must be 16 gauge dual conductor, stranded, direct
burial wire [RB509]. Do not run more than 1000 ft. of wire.
SOLAR PANEL AND GATE ACTIVITY CHART
The table and map illustrate
the maximum number of gate
cycles to expect per day in a
particular area when using
from 5 to 30 watts of solar
charging power. The figures
shown are for winter (minimum sunlight). Accessories connected to your system
will draw additional power from the battery.
Single Gate Winter Ratings
Zone 1
12 v single gate (5 watts) solar charger 12 v single gate (10 watts) solar charger 12 v single gate (15 watts) solar charger 12 v single gate (20 watts) solar charger 12 v single gate (25 watts) solar charger 12 v single gate (30 watts) solar charger 4
8
11
14
17
20
Zone 2
Zone 3
8
16
20
28
36
44
13
26
30
38
46
54
Mighty Mule FM260 Installation Instructions
xi
Before You Begin
Check Existing Gate Size and Material
• Gate size: Up to 12 feet or up to 300 lbs—See chart
on page x.
• Type of gate material: Vinyl, aluminum, chain link, farm
tube, wrought iron, wood (not recommended for solid
surface gates).
IMPORTANT: Check for Proper Gate Installation
•
•
•
•
•
•
The gate must be plumb, level, and swing freely on its hinges.
The gate must move throughout its arc without binding or dragging on the ground.
Wheels must NOT be attached to the gate.
Gates over 250 lb. should have ball bearing hinges with grease fittings.
Post must be secured in the ground with concrete (minimizes twist/flex when the operator is activated).
Make sure there is a stable area for mounting the gate bracket (this may require the addition of a horizontal or vertical
cross member).
• We recommend you position the operator near the center-line of the gate to keep the gate from twisting and flexing, and to
avoid back-splash from rain.
A
B
E
F
C
A- Level
B- Plumb
C- Free Swinging
D - Secured Posts in
Concrete
Gate Grounding
• Shorter cable is better, 1 to 2 feet
recommended.
E - Center line Mounting
F - Good Working Hinges (ball bearing hinges are recommended on
gates over 250 pounds)
D
Metal Gate
Post
Ground Rod
Clamp
6 AWG Wire
• Bolt ring terminal at end of cable 4 - 6 inches
above ground level.
R4196 Kit Includes:
• Ground Rod Clamp
• 6 AWG Wire (3 feet)
NOTE: No grounding system absolutely protects
against lightning strikes. If installed correctly, a
grounding system will help minimize damage to
your gate opener.
xii Mighty Mule FM260 Installation Instructions
8 Foot Ground Rod
5/8” Copper Clad Steel (not included)
- available at local homecenter and hardware stores -
Before You Begin
Items Included
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Operator
Arm
W
A
B
J
A
F
Closed Position
Stop Plate
Gate Bracket
Control Box
H
L
5/16” x 1-1/2” Bolt (1)
3/8” x 2-3/4” Bolt (2)
W
3/8” x 1-1/2” Bolt (1)
S
Hairpin Clip (2)
U
V
5/16” Washer (1)
Q
3/8” x 8” Bolt (2)
T
O
3/8” Bushing (1)
P
Transmitter (1)
Post Bracket
M
8” Nylon Cable Tie (14)
K
I
Post Pivot Bracket
2” Mounting Screw (3)
X
3/8” x 1-1/2” Clevis Pin (2)
3/8” Washer (6)
Y
3/8” Lock Nut (5)
Z
5/16” Lock Nut (1)
Mighty Mule FM260 Installation Instructions
xiii
Before You Begin
Tools Needed
3/8” Bit
Drill
Center
Punch
Pen
5/16” Bit
Pliers
Hack Saw
Hammer
1/2”
wrench
Flat Head
Screwdriver
9/16”
wrench
Philips Head
Screwdriver
Level
Adjustable
Wrench
Clamps
Wire
Stripper
Small
Flat Head
Tape
Measure
Items Not Included
• 12 Volt automotive or marine battery and a weather
proof case.
• Surge protection for transformer.
• Some types of installations require u-bolts.
• Low voltage wire will be needed to run from the
transformer to the control box; length depends
upon the distance between the transformer power
supply and the control box. See Transformer Wiring
Installation on page 5, and the accessory catalog.
• PVC conduit.
• If your gate is more than 1000' away from an ac
power source you will need to use at least one
Mighty Mule 5 watt solar panel to trickle charge the
battery. See the accessory catalog (Do not use both
transformer and solar).
• Depending on the type of gate, a horizontal cross
member or mounting plate may be needed to mount
the front of the opener and gate bracket to the gate.
See Gate Bracket Mounting Examples after Step 3
of “Gate Operator Installation.”
xiv Mighty Mule FM260 Installation Instructions
• Additional washers or a metal plate may be
needed for wooden post.
• Weatherproof cover for outdoor outlet.
• If post is more than 6”, bolts longer than 8”
are needed.
GATE OPERATOR INSTALLATION
2
1
X
V
Q
B
M
H
X
I
S
Y
F
Q
Assemble post bracket parts.
Attach opener to gate and post bracket and secure with required hardware.
3
Reinforcement and Gate Bracket Mounting
!W
AR
NIN
G
Gate
Bracket
Gate
Bracket
Muffler Clamp
(not supplied)
Mov
ing
InjuGate
ry O Can
KEE
P CLE
r D Caus
2.
AR!
Do
eath e
Gat
not
1.
pla
3.
e ma
y in allow
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
Thin Walled
Tube Gate
Wood or Metal
Reinforcement
(not supplied)
FRONT VIEW
Panel
Gate
Gate
Bracket
1” x 6” Wood Reinforcement
With Gate in OPEN position, using clamps, secure opener to
gate post and center cross member of gate.
5
4
!W
AR
NIN
pla
3.
1" Min. - Pinch-Point Clearance
2
1
G
ing
InjuGate
1.
ry O Can
KEE
P CLE
r D Caus
2.
AR!
Do
eath e
Gat
not
e ma
y in allow
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
Remove excess bolt length
with hacksaw or bolt cutters
Recommended reinforcement and gate bracket mounting
examples.
5
Mov
SIDE VIEW
Mounting Plate
Created for
Decorative Gate
(required but not
supplied)
1" Min.
Top View
13"
Closed
Position
2
1
Open
Position
Remove clevis pin from the gate bracket and support loose
opener.
Swing gate to CLOSED position-check clearance/binding by
inspecting alignment. Arm stroke should be minimum of 7”
and 13” Max. TIP: Turning the pivot bracket over gives more
hole alignment options for the post pivot bracket assembly.
Mighty Mule FM260 Installation Instructions
1
GATE OPERATOR INSTALLATION
7
1
6
!W
AR
G
ing
InjuGate
1.
ry O Can
KEE
P CLE
r D Caus
2.
AR!
Do
eath e
Gat
not
pla
e ma
allo
3.
U
2
NIN
Mov
y in
w
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
O
1
Z
OPEN gate and reattach opener with clevis pin. Check for level.
Clamp securely.
8
6
3
Secure post pivot bracket to post bracket when clearance is OK
(Step 5) in both open and closed positions.
9
!W
AR
NIN
G
Mov
ing
InjuGate
1.
ry O Can
KEE
P CLE
r D Caus
2.
AR!
Do
eath e
Gat
not
3.
pla
e ma
y in allow
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
Mark middle of post bracket slots on fence post. Mark middle
of gate bracket slots on gate cross support.
Remove clamps, post bracket, gate bracket, and opener. Then
use a hammer and center punch to mark
hole positions.
10
5
11
11
6
Y
S
P
Drill holes completely through gate post and gate cross support.
2 Mighty Mule FM260 Installation Instructions
Attach post bracket assembly to fence post. NOTE: Must be
through bolted.
GATE OPERATOR INSTALLATION
12
6
1
13
2
1
Y
!W
2
AR
NIN
G
Mov
S
1.
2.
3.
ing
InjuGate
ry O Can
r D Caus
eath e
KEE
P CLE
AR!
Do
Gat
not
pla
e ma
y in allow
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
1
T
2
Attach gate bracket assembly to gate cross support.
Attach and secure opener assembly to brackets.
14
3
15
!W
AR
NIN
G
Mov
ing
InjuGate
1.
ry O Can
KEE
P CLE
r D Caus
2.
AR!
Do
eath e
Gat
not
pla
e ma
allo
3.
y in
w
y mo
gat chil
ve
Thi
e are dre
at
s
a. n to ope any
mu gate
tim
st use is for
rate
e.
a sep veh
gat
e or
ara icles onl
te ent y.
ran Pedestr
ce.
ian
s
Check for level. Adjust post bracket if necessary.
Tighten all bolts and remove excess length on post and gate
bracket bolts with hacksaw.
CLOSED POSITION STOP PLATE INSTALLATION
2
5
1
5
4
1
J
1
2
Fully open gate. Attach gate stop with one of the following:
• U-bolts—tube and chain link gates (Not included)
• Wood/lag screws—flat aluminum/wood supports (Not included).
Position gate stop with gate CLOSED to fence post. Tighten
fasteners. Cut off excess bolt length.
Mighty Mule FM260 Installation Instructions
3
CONTROL BOX & BATTERY INSTALLATION
2
1
!W
A
!W
A
RN
RN
IN
G
IN
G
Mo
Mo
vin
g Ga
Injury
te Ca
KEEP
Or n Ca
CLEA
2.
Death use
Do
R! Gate
not
1.
2.
1.
3.
3.
play allow
may
in gate child
move
This
area. ren
at
to opera any
mustgate
time.
use is for
te gate
a sepavehic
or
rate les only.
entra Pede
nce. strian
s
Mount control box on piece of treated plywood then attach it to
post or fence using screws.
3
vin
g Ga
Injury
te Ca
Or n Ca
Death use
KEEP
CLEA
Do
R! Gate
not
play allow
may
in gate child
move
This
area. ren
at
to opera any
mustgate
time.
use is for
te gate
a sepavehic
or
rate les only.
entra Pede
nce. strian
s
Locate control box mounting area. IMPORTANT: Be sure to mount
box at least 3 feet from AC power and 3 feet off the ground.
4
!W
A
RN
IN
G
Mo
1.
2.
vin
g Ga
Injury
te Ca
Or n Ca
Death use
KEEP
CLEA
Do
R! Gate
not
play allow
may
in gate child
move
This
area. ren
at
to opera any
mustgate
time.
use is for
te gate
a sepavehic
or
rate les only.
entra Pede
nce. strian
s
LT
O
V
12
V
O
LT
B
AT
T
ER
Y
12
V
O
LT
B
12
AT
T
ER
Y
B
AT
T
ER
Y
3.
Turn control box OFF. Place 12 Volt battery and weatherproof
battery box within 6 feet of the control box Attach the battery
harness wires from the control box to the battery terminals.
5
Tighten the bolts, washers, and nuts and place the cover on the
weatherproof box. IMPORTANT: Do not connect the transformer
or solar panel directly to the battery.
6
!W
A
RN
IN
G
Mo
1.
vin
g Ga
Injury
te Ca
Or n Ca
Death use
KEEP
CLEA
Do
R! Gate
not
play allow
may
in gate child
move
3.
This
area. ren
at
to opera any
mustgate
time.
use is for
te gate
a sepavehic
or
rate les only.
entra Pede
nce. strian
s
2.
Top View
Min 3 Ft
Max 1,000 Ft
GTO Transformer
Mounts Here
Use PVC conduit from ground up to control box.
4 Mighty Mule FM260 Installation Instructions
Locate power outlet and identify wire path to control box.
NOTE: If OUTLET is OUTSIDE use weatherproof cover.
TRANSFORMER WIRING INSTALLATION
WARNING
Before digging contact local authorities to locate underground utilities such as electric and gas service.
2
1
E
CLOS
TO
AU TIME
L
STAL E
RC
FO
120
C7
C15
R20
MA
X
OF
ED1
MIN
IC4
US
STAT
1
COM
+
LOCK
LOCK
-
1
AVR-ISP
D1
VAR4
K1
VAR6
K2
VAR3
T
WH
ON
GRN
K
M_BL
D
M_RE
VAR2
BATT-
OFF
OFF
POSITION
Strip 1/2” off 2 wires and twist ends. Attach wires to transformer screw terminals.
3
NOTE: Set Control Panel to the OFF Position.
Remove control panel cover by unscrewing center cover fastener.
4
LED3
CHGR
AUTO CLOSE
TIME
SAFETY
C7
COM
120
MAX OFF
VAR1
D14
MIN
D13
D14
D13
D16
D15
VAR1
AUTO CLOSE
TIME
C15
IC4
D16
C7
COM
STALL
FORCE
R20
CHGR
C15
IC4
CHGR
POWER
MIN
120
MAX OFF
C2
K2
WHT
GRN
LOCK -
SG1
06
M_BLK
M_RED
PGOK200 Rev. XC
VAR2
GTO Inc. Tallahassee, FL
BATT-
VAR6
COM
BATT+
LOCK+
4”
LOCK -
STATUS
VAR5
EDGE
ANT SHLD
ON OFF
VAR3
K1
Wrong
Correct
M_BLK
M_RED
VAR2
GTO Inc. Ta lla h a sse e , F L
Wrong
SG1
ANT SHLD
ON OFF
BATT-
BATT+
Screwed into
wire insulation
Wire
5
K2
WHT
GRN
PGOK200 Rev. XC
Feed 4” of low voltage wire through strain relief into box with
battery wire harness.
ED1
D1
S9.8874
LOCK+
K1
VAR4
CYCLE
AVR-ISP
VAR3
VAR3
EXIT
VAR6
COM
AVR-ISP
VAR5
EDGE
C2
06
STATUS
PF1
CYCLE
SAFETY
ED1
D1
VAR4
S9.8874
VAR3
EXIT
PF1
CHGR
STALL
FORCE
R20
D15
POWER
SHLD
BATT+
2
LED3
ANT
SG1
VAR5
XC
FL
ee ,
Rev.
ha ss
200
Ta lla
PGOK
Inc.
GTO
1
D13
D16
VAR
VAR3
PF1
TY
EXIT
E
CYCL
EDGE
C2
06
CHGR
COM
SAFE
D15
CHGR
D14
ER
POW
3
LED
S9.8874
C
F
Exposed strands
of wire
Insert RED and BLACK wires into CHGR terminals interchangeably as shown. Do Not Overtighten Screws.
6
E
CLOS
TO
AU TIME
L
STAL E
RC
FO
120
ED1
US
STAT
COM
+
LOCK
LOCK
200
PGOK
Inc.
GTO
1
D14
D13
D16
VAR
AVR-ISP
D1
VAR3
VAR4
K1
VAR6
K2
VAR3
T
WH
ON
GRN
K
M_BL
D
M_RE
ANT
SHLD
SG1
VAR5
06
TY
EXIT
E
CYCL
EDGE
X
C2
VAR2
XC
FL
ee ,
Rev.
ha ss
Ta lla
BATT-
OFF
SURGE PROTECTOR
MA
MIN
IC4
PF1
CHGR
COM
SAFE
D15
CHGR
F
S9.8874
C7
C15
R20
ER
POW
3
LED
OF
BATT+
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.)
Mighty Mule FM260 Installation Instructions
5
SOLAR PANEL INSTALLATION
2
1
E
CLOS
TO
AU TIME
L
STAL E
RC
FO
120
1
MA
X
ED1
US
STAT
D14
C2
VAR
D1
AVR-ISP
CHGR
COM
PF1
VAR3
TY
SAFE
VAR4
K1
VAR6
K2
VAR3
COM
+
LOCK
LOCK
T
WH
ON
GRN
K
M_BL
D
M_RE
ANT
SHLD
SG1
VAR5
06
EXIT
E
CYCL
EDGE
OF
MIN
IC4
D13
D16
D15
CHGR
S9.8874
C7
C15
R20
ER
POW
LED3
F
VAR2
XC
FL
ee ,
Rev.
ha ss
200
Ta lla
PGOK
Inc.
GTO
OFF
+
BATT
BATT-
Toward
Equator
Position solar panel facing sun and in a non-shaded open area
that allows 8 hours of direct sunlight for a full charge.
3
NOTE: Set Control Panel to the OFF Position.
Remove control panel cover by unscrewing center cover fastener.
4
LED3
CHGR
MIN
SAFETY
C7
COM
120
MAX OFF
VAR1
D14
D14
D13
D16
D15
VAR1
MIN
K2
WHT
GRN
LOCK -
SG1
06
M_BLK
M_RED
PGOK200 Rev. XC
VAR2
GTO Inc. Tal l ahassee, FL
4”
BATT-
VAR6
COM
BATT+
LOCK+
LOCK -
STATUS
VAR5
EDGE
ANT SHLD
ON OFF
VAR3
GRN
K1
Wrong
Correct
M_BLK
M_RED
PGOK200 Rev. XC
Wire
5
K2
WHT
VAR2
GTO Inc. Tallah assee, FL
Feed 4” of the solar panel wire through strain relief into control
box.
ED1
D1
AVR-ISP
K1
VAR4
CYCLE
AVR-ISP
VAR3
VAR3
EXIT
VAR6
COM
C2
06
PF1
S9.8874
STATUS
VAR5
EDGE
SAFETY
ED1
D1
VAR4
LOCK+
Wrong
BATT+
Screwed into
wire insulation
Exposed strands
of wire
Insert red (+) wire into CHGR terminal and the black (-) wire into
the COM terminal. Do Not Overtighten Screws.
Solar Panels connect in PARALLEL
E
CLOS
TO
AU TIME
L
STAL E
RC
FO
120
MA
COM
+
LOCK
LOCK
D14
D13
D16
C2
AVR-ISP
PF1
VAR4
K1
VAR6
K2
VAR3
T
WH
ON
GRN
K
M_BL
D
M_RE
XC
Rev.
ha ss
200
Ta lla
PGOK
Inc.
GTO
ANT
SHLD
SG1
VAR5
06
EXIT
F
D1
VAR3
TY
SAFE
E
CYCL
EDGE
D15
1
VAR
CHGR
COM
OF
US
STAT
ER
POW
CHGR
X
ED1
MIN
S9.8874
C7
C15
IC4
VAR2
FL
ee ,
BATT-
OFF
+
BATT
RED
RED
BLACK
BLACK
attach BLACK to the ‘COM’ terminal
attach RED to the ‘CHGR’ terminal
Reattach cover. Turn power on.
6 Mighty Mule FM260 Installation Instructions
SG1
ON OFF
BATT-
6
LED3
120
MAX OFF
C2
VAR3
EXIT
CYCLE
R20
AUTO CLOSE
TIME
C15
IC4
D13
C7
COM
STALL
FORCE
R20
CHGR
C15
IC4
CHGR
POWER
D16
R20
AUTO CLOSE
TIME
PF1
CHGR
STALL
FORCE
D15
POWER
LED3
For multiple solar panels, wire the panels in parallel as shown.
ANT SHL
S9.8874
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, however, we strongly recommend that you replace the factory setting with your own personal code.
Follow the directions below:
1
2
1
Remove back cover of the transmitter.
3
2
3
4
5
6
7
8
9
Flip transmitter over. Use small screwdriver to move switches
to random positions. If you have more than one transmitter,
now is a good time to set them all with the same code.
4
LD
ON/OFF Switch
Replace back cover of the transmitter.
Turn off control box. Press and hold transmitter button while
sliding the ON/OFF switch to the ON position. Continue to
hold transmitter button for 8 - 10 seconds or until the alarm
sounds. Release transmitter’s button. Personal code is now
programmed.
This device complies with FCC rules Part 15. Operation is subject to the following conditions:
1.This device may not cause harmful interference.
2.This device must accept an interference that may cause undesired operation.
Transmitter distance may vary due to circumstances beyond our control. NOTE: The manufacturer
is not responsible for any radio or TV interference caused by unauthorized modifications to this
equipment. Such modifications could void the user’s authority to operate the equipment.
Mighty Mule FM260 Installation Instructions
7
SETTING CLOSED LIMIT POSITION
2
1
SE
CLO
TO
AU TIME
L
STAL E
RC
FO
120
TUS
STA
LE
CYC
E
EDG
COM
K+
LOC
KLOC
D13
D16
VAR3
VAR4
SHLD
K1
K2
VAR6
VAR3
ANT
SG1
VAR5
06
TY
EXIT
PF1
COM
SAFE
C2
D1
AVR-ISP
VAR1
R
CHG
D15
CHG
D14
ER
POW
R
LED3
OFF
ED1
MIN
IC4
S9.8874
MAX
C7
C15
R20
WHT
ON
GRN
LK
M_B
ED
M_R
XC
e,
Rev.
sse
0
aha
K20
PGO . Ta ll
Inc
GTO
VAR2
FL
BATT
OFF
+
BATT
ON/OFF
SWITCH
With gate in OPEN position, (arm retracted) turn control
box ON/OFF switch to the OFF position. Press and hold the
transmitter while sliding the ON/OFF switch to ON position for
8 - 10 seconds or until the alarm sounds.
3
Press and hold transmitter again; gate should start opening.
Release transmitter button when single audible alarm sounds
indicating that gate has reached OPEN position.
8 Mighty Mule FM260 Installation Instructions
Press and hold transmitter; gate should start closing. Release
transmitter button when gate reaches desired CLOSED position.
NOTE: If your gate stops and reverses before it fully closes, you
may need to increase the stall force. (See page 9)
4
Gate operator’s closed position is now set. Press and release
transmitter to close gate for normal operation.
SETTING DUAL SENSE DETECTION & AUTO CLOSE TIMER
1
STALL
FORCE
CHGR
POWER
STALL
FORCE
R20
AUTO CLOSE
TIME
C15
IC4
MIN
C7
D14
D13
VAR1
D16
COM
D15
CHGR
MIN
SAFETY
MAX
120
MAX OFF
C2
VAR3
EXIT
ED1
D1
STATUS
PF1
VAR4
CYCLE
VAR5
EDGE
S9.8874
LED3
Turn the “STALL FORCE” arrow in the center of the potentiometer with small flat head screwdriver. Adjust the sensitivity from
the MINIMUM position up to the point where the gate operates
without obstructing from its own weight or the wind conditions
in your area.
VAR3
GRN
LOCK -
AVR-ISP
VAR6
COM
LOCK+
K1
K2
WHT
SG1
ANT SHLD
06
M_BLK
M_RED
PGOK200 Rev. XC
VAR2
ON OFF
GTO Inc. Tal l ah as s ee, F L
BATT-
BATT+
CAUTION
For safety reasons the Dual Sense obstruction setting or Stall Force on the Mighty Mule® control board comes from
the factory set at MIN (minimum). This setting may need adjustment to overcome the weight and size of the gates.
ALWAYS KEEP SAFETY AT THE TOP OF YOUR LIST WHEN ADJUSTING OR SERVICING YOUR
AUTOMATIC GATE OPENER
2
AUTO CLOSE
TIME
3
E
CLOS
TO
AU TIME
L
STAL E
RC
FO
CHGR
STATUS
PF1
VAR5
VAR6
VAR3
GRN
K1
K2
WHT
SG1
06
M_BLK
M_RED
PGOK200 Rev. XC
VAR2
GTO Inc. Tal l ah as s ee, F L
ANT SHLD
ON OFF
BATT-
EXIT
E
CYCL
EDGE
K1
VAR6
K2
Rev.
ha ss
200
Ta lla
PGOK
Inc.
GTO
S9.8874
ED1
ANT
SHLD
SG1
VAR5
VAR3
F
C2
T
WH
ON
GRN
XC
OF
D1
VAR4
K
M_BL
D
M_RE
X
US
STAT
VAR3
TY
SAFE
COM
+
LOCK
LOCK
AVR-ISP
COM
1
VAR
CHGR
COM
ED1
D1
VAR4
EDGE
LOCK -
LED3
C2
VAR3
EXIT
CYCLE
MA
MIN
IC4
AVR-ISP
SAFETY
120
MAX OFF
R20
ER
POW
D13
MIN
C7
C15
MAX
D16
D14
D13
D16
D15
COM
LOCK+
MIN
C7
D14
C15
IC4
06
R20
VAR1
D15
POWER
CHGR
PF1
CHGR
120
AUTO CLOSE
TIME
S9.8874
LED3
STALL
FORCE
VAR2
FL
ee ,
BATT-
OFF
+
BATT
BATT+
Turn the “AUTO CLOSE TIME” arrow in the center of the potentiometer with small flat head screwdriver to determine how
long the gate will remain open before it automatically closes.
The limits are OFF and 3 - 120 seconds. The factory setting is
OFF.
Close control box.
Mighty Mule FM260 Installation Instructions
9
CONNECTING SAFETY DEVICES
Although GTO strongly recommends the use of additional safety devices, we do not endorse any
specific brand names. Only use products that are certified and listed to be in compliance with any
applicable UL standards (Underwriters Laboratories) and national and regional safety codes.
Call GTO Sales at 1-800-543-4283 for information on compatible
products for your specific application.
Make sure the power to the opener is turned off before connecting safety device wiring to the
terminal blocks. Unplugging the transformer does not turn power to the opener OFF.
Wiring Accessories through Control Board Wiring Knockout
Remove control box cover.
Carefully remove wiring
knockout (on cover) to
insert accessory wires.
Insert accessory wires
through the knockout and
route to the accessory
input terminals on the
control board.
(See pg. 12)
Reattach control box cover.
ON/OFF Switch
Accessory Wires
(Photo beams, keypad, etc.)
10 Mighty Mule FM260 Installation Instructions
CONTROL BOARD CONNECTIONS
1CHGR: Power Input Terminals:
• Input terminals for transformer or solar panel.
2CHGR: Power Input Terminals:
• Input terminals for transformer or solar panel.
ACCESSORY INPUTS
3COM:
• Common/Negative terminal for accessory devices.
1
2
4SAFETY: (Typically for use with photo beam device,
loop detector or other non-contact sensors)
3
• Activation of this input while the gate is closing will cause
the gate to stop and return to the opened position.
4
• Activation of this input while the gate is opening has
no effect. (gate will continue to open)
5
• Activation of this input while gate is idle will prevent gate 6
from closing.
• Activation of this input while at open limit will restart the 7
auto close time (if enabled).
8
5EXIT: (Typically for use with exit loop or wand)
9
• Activation of this input will open the gate if it’s not already at the open position.
10
• Activation of this input while at open limit will restart the auto close time (if enabled).
POWER
LED3
CHGR
CHGR
COM
VAR1
SAFETY
EXIT
CYCLE
EDGE
COM
LOCK+
LOCK -
VAR3
VAR4
VAR5
VAR6
VAR3
GRN
WHT
M_BLK
M_RED
VA
6CYCLE: (Typically for use with doorbell button or hardwired keypad)
• Each activation at this input will cycle the operation
as follows:
….→ OPEN → STOP → CLOSE → STOP → OPEN → …
7EDGE: (Typically for use with contact edge sensor)
• Activation of this input while gate is moving will cause it to
reverse direction for 2 seconds.
• Activation of this input while idle will prevent gate from running.
8COM:
• Common/Negative terminal for accessory devices.
LOCK OUTPUTS
D15
CHARGE POWER
INPUTS
NOTE:
• All accessory inputs are dry-contact, normally open, inputs. DO NOT apply external voltage sources
to these inputs.
• All accessory inputs are connected with respect to COMMON terminal.
9LOCK +: Positive terminal to connect GTO electro-mechanical lock. (FM143)
10LOCK - : Negative terminal to connect GTO electro-mechanical lock. (FM143)
Mighty Mule FM260 Installation Instructions
11
M_BLK
M_RED
GRN
VAR3
VAR6
VAR5
VAR4
CHGR
CHGR
COM
SAFETY
EXIT
CYCLE
EDGE
COM
LOCK+
LOCK -
LED3
POWER
VAR1
VAR3
CONNECTING ACCESSORIES
1
2
3
4
5
6
7
8
9
10
10
9
GTO Lock
7
8
Edge Sensor
3
4
6
8
Mighty Mule
Push Button Control
1
4
GHI
7
PRS
2
DEF
5
6
JKL
8
TUV
0
Blue
5
Black
8
Red
+
Yellow
Shield
3
ABC
GTO Photo Beams
-
MNO
9
WXY
3
6
Mighty Mule Keypad
NOTE: Connections are for typical applications.
For additional connection options not illustrated
here refer to the accessory manual for details.
12 Mighty Mule FM260 Installation Instructions
Mighty Mule
Vehicle Sensor
Refer to Vehicle Sensor
manual for additional
information if needed.
MAINTENANCE
• Apply silicone spray to a soft, dry cloth and clean the
push/pull tube at least once a month.
•O
n all gates weighing 250 lb. or more, routinely grease
the ball bearing hinges at least 4 times a year; more
frequently if the gates are near a coastal area.
TROUBLESHOOTING GUIDE
If your gate opener does not function properly after it is installed, use this guide before calling the GTO Service Department.
Audible Feedback
Symptom
Diagnosis
Check:
1 or more short beeps
upon power up
Circuit Board Powered
Up & Ready
• Normal Operation
Continuous beep after
power-up
Unit has learned new
transmitter code, releasing
the transmitter button will
shut off alarm.
• Normal Operation
Unit has entered “LEARN
LIMIT” mode. Releasing
the transmitter will turn off
alarm.
•
•
•
•
Path of Gate
Gate for Level and Plumb
Stall Force Adjustment
Disconnect Safety Devices
Rapid beeping
Circuit Board Senses an
Obstruction
1 beep with 20 seconds
off
Low Battery Condition
• Transformer or Solar Panel Voltage
• Battery Harness Connections
• Battery Under Load
2 beeps every 2 seconds
Position sensor is short
circuit.
• Arm Power Cable for Damage
1 beep with 2 seconds off
Arm Limit Switch Error
• Connections to Inputs
• Arm Power Cable for Damage
1 beep when attempting to
run the gate
Blown fuse
Battery is low or damaged
Loose Connection
• Check and replace fuse
• Test battery voltage
• Check all connections
Additional information can be found online 24 hours 7 days a week at the
GTO Tech Wizard (support.gtoinc.com/Support/TroubleShooter.aspx)
Mighty Mule FM260 Installation Instructions
13
Visual Feedback
Symptom
Diagnosis
Check:
Power (green) ON
AC or Solar Power
Present
Normal Operation
Power (green) OFF
No AC or Solar Power
Transformer:
• Breaker or GFI
• 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
14 Mighty Mule FM260 Installation Instructions
REPAIR SERVICE
If your Mighty Mule Gate Opener is not operating properly, please follow the steps below:
1. First use the procedures found in the Maintenance &
Troubleshooting Guide (see page 13).
2. For 24 hour 7 days a week trouble shooting and support
online go to our TECH WIZARD site at...
support.gtoinc.com/Support/TroubleShooter.
aspx
3. If you are unable to solve the problem, call the
GTO Service Department at (800) 543-1236, or
(850) 575-4144. Refer to the serial number (located
on the rear of control arm) and date of purchase when
calling for assistance.
4. If repair or replacement of your gate opener is
necessary, the Service Department will assign a
Return Goods Authorization (RGA) number to
you to track return of equipment.
5. Include a copy of your receipt and securely pack the
component(s) authorized for return to the factory.
Write the RGA number issued to you on the outside
of the package in LARGE BOLD PRINT. Ship
the package(s) freight prepaid to: GTO Access
Systems, LLC • 3121 Hartsfield Road •
Tallahassee, Florida • USA 32303.
NOTE: Products returned to GTO without a Return Goods Authorization (RGA) number
in LARGE BOLD PRINT on the outside of the package WILL NOT be accepted. Items
returned to GTO freight collect WILL NOT be accepted. Items returned without proof of
purchase will not be repaired under warranty.
For 24 hour 7 days a week trouble shooting and support online go to our TECH WIZARD site at...
support.gtoinc.com/Support/TroubleShooter.aspx
For out of warranty service and repair call the Mighty
Mule National Repair Center at... 1-800-543-1236
The GTO Access Systems, LLC Technical Service Department is open
Monday – Friday 8:00 A.M. – 7:00 P.M. (Eastern Time)
Telephone (800) 543-1236
Fax (850) 575-8950 • Web site: www.mightymule.com
Mighty Mule FM260 Installation Instructions
15
Conversion Chart
VOLTAGE READINGS
18 Vac Transformer__________________________18.0 to 22.0 Vac
5 W Solar panel (single)_______________________18.0 to 22.0 Vdc
measure voltage at panel and control box.
12 V Battery________________________________12.0 to 13.5 Vdc
Charging circuit _____________________________ 12.0 to 14.8 Vdc
measure voltage with battery connected
Converting Metric Units to English Equivalents
When You Know
Multiply By
To Find
Symbol
centimeters
meters
kilograms
0.3937
3.2808
2.2046
inches
feet
pounds
in. (or ")
ft. (or ')
lb. (or #)
Converting English Units to Metric Equivalents
When You Know
Multiply By
To Find
Symbol
inches
feet
pounds
2.5400 centimeterscm
0.3048meters m
0.4535 kilogramskg
Converting Temperature
deg. Celsius
deg. Fahrenheit
(ºC x 1.8) + 32
(ºF-32) ÷ 1.8
deg. Fahrenheit
deg. Celsius
ºF
ºC
For Your Records
Please record the product serial number (located on the right hand side of the control box), and the date and place of
purchase in the spaces provided below. 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.
16 Mighty Mule FM260 Installation Instructions
ACCESSORIES
Accessories are Available From Your Retail Store
Solar Panel (FM121)
The Solar Panel is a 5 watt solar powered battery charger for use with the Mighty Mule 260 gate
operator systems. Particularly suited for remote installations, each Solar Panel comes with tubular steel
support, mounting clips, wire connectors, and 10 ft. of low voltage wire (see Low Voltage Wire for additional
wire). The Mighty Mule control board has clearly labeled terminal connections for easy installation of
the Solar Panel. Installation in some regions of the world will require multiple solar panels for adequate
charging power.
Push Button Control (FM132)
Unlit doorbell button for remote entry or exit control. Wires directly to the control board and uses 16 gauge
stranded, dual conductor low voltage wire (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.
Key Chain Two Button Transmitter (FM134)
The Key Chain Transmitter is a dual button version of the Mighty Mule single button entry transmitter and has
the same adjustable code settings. Used for 2 gates or 1 gate and garage door. (battery is included)
Single Button Transmitter (FM135)
The Mighty Mule entry transmitter, with adjustable code settings, is standard equipment with all Mighty
Mule systems. (battery is included)
1
4
GHI
7
PRS
2
3
ABC
5
JKL
Digital Keypad (FM137)
Allow friends access to your property using an identification code that you provide. Keypad can be
programmed to use up to 25 different personal identification number (PIN) codes. Each code is face
programmable with additional security features built in. Wired installations require 16 gauge, low voltage,
stranded, dual conductor, direct burial wire (sold separately). Requires three AA batteries (not included).
DEF
6
MNO
8
9
TUV
WXY
0
Mounting Post (FM100) - In Ground
This black powder coated pedestal is designed to provide convenient access to your keypad, wireless
intercom, or other access control device from your vehicle. With its break down design it is easy to install and
works well in most standard applications. Surface Mount Flanges (F102) and Extensions (F103) for added
height are available.
Mighty Mule Vehicle Sensor (FM138)
The Gate Opening Sensor is designed for residential and agricultural applications and is compatible
with most Mighty Mule automatic gate opener models. The Sensor is an electromagnetic sensor, which offers
'hands free' operation of the Mighty Mule Gate Operator with a 12 ft. radius of detection of vehicles
in motion.
ATIC®
CKK
TOM
LOLOC
AUTE
ITY
GASEC
UR
IC
ON
CTR
ELE
Automatic Gate Lock Pull-to-Open (FM143)
A MUST for added security. Solenoid driven, with a steel housing. Used with Mighty Mule DC swing gate
operating systems for maximum stability and security. Comes with a keyed manual release.
Mighty Mule FM260 Installation Instructions
17
Accessories are Available From Your Retail Store (con't)
DV
9V
AC
3
CE
SS
1-8 CO
00 NT
-54 RO
3-4L
SY
28
ST
EM
S
Ans
wer
Per Grant
mis
sio
n
Key
Ba pad
tt
Low
POW
ER
Wireless Entry Intercom / Keypad (FM136)
Allows owner to screen guest at the gate before allowing access to the property. Keypad also allows owner to give up to
25 programmable entry codes to family, friends or approved delivery personnel. Codes can be permanent of temporary. Up
to 500 feet reception.
Additional base stations available (F3101MBC).
Low Voltage Wire (RB509)
The 16 gauge, stranded, dual conductor Low Voltage Wire is for connecting the AC powered transformer, or the
Solar Panel to the control board. Also used for the connection of accessories, such as locks, keypads, push buttons and
other wired control devices. This specially designed wire is UV treated, PVC coated and ready for direct burial. Available in
1000' rolls or special lengths.
Column Mount Lock Receiver (433IH)
For mounting the Automatic Gate Lock on brick columns, walls, or for other applications with limited space between gate
and post.
Replacement Transformer (RB570)
Standard 18 volt, 2260 mA, AC transformer for maintaining the battery with the Mighty Mule gate operator.
Garage Door Receiver (RB709U-NB)
The Garage Door Receiver allows you to use the same 2 button Mighty Mule entry transmitter to operate your gate operator
and your garage door operator. Compatible with most garage door operators.
Driveway Alarm (FM231)
This device alerts you of vehicles entering your driveway (with or without an automated gate). The indoor base station signals
you with a door chime when a vehicle passes the driveway sensor.
Wireless Driveway Vehicle Sensor (FM130)
Automatically activates gate operator “Hands-Free” when a vehicle exits the property. 100 ft. range between transmitter and
receiver. Easy installation.
If you have a question about any special order item,
just call 1-800-543-4283!
The contents of all material available on this installation manual are copyrighted by GTO Access Systems, LLC (“GTO”), unless otherwise indicated. All rights are reserved by GTO, and content may not be
reproduced, downloaded, disseminated, published, or transferred in any form or by any means, except with the prior, written permission of GTO. Any reprinting of GTO publications is by permission only.
Copyright infringement is a violation of federal law.
Mighty Mule¨, E-Z Gate¨, GTO¨, 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”).
All rights are reserved by GTO, and these marks may not be used, in any for without the prior, written permission of GTO.
18 Mighty Mule FM260 Installation Instructions
Gate Operator Installation Checklist
1. The gate has been checked to make sure it is level and moves freely in both directions.
2. Potential pinch areas have been guarded so as to be inaccessible OR have
sensing edges and/or photo beam obstruction detection devices installed.
3. The installer has installed one or more contact or non-contact obstruction sensing
devices, in compliance with UL325 requirements for this installation.
4. If pedestrian traffic is expected, a separate pedestrian gate has been installed, a minimum
of seven feet from the gate. All pedestrian traffic must use the pedestrian gate.
5. Warning signs have been installed on each side of the gate in highly
visible locations. These signs must remain at all times.
6. There are no controls installed on the gate operator, or within ten feet of the gate.
7. The Dual Sense Technology™ feature has been properly adjusted and tested to
make sure that the gate stops and reverses a short distance with minimal resistance
applied (40 lbs. on a swing gate at the end of the gate, 75 lbs. on a slide gate)
8. Reviewed and understand all of the operational functions,
obstruction sensing devices, warning beeper and reset, etc.
9. Review and understand the proper use of the operator’s manual disconnect feature. The
manual disconnect must never be used while the gate is in motion. The power switch
must be turned off before using the manual disconnect and disengaging the operator.
10. Reviewed all safety instructions, and keep the safety instructions
and owner’s information sheets for reference.
11. Review and understand the maintenance schedule for both the gate and the gate operator.
3121 Hartsfield Road • Tallahassee, Florida, USA 32303
Telephone GTO Sales: 1-800-543-4283 • Fax (850) 575-8912
or GTO Technical Service: 1-800-543-1236 • Fax (850)575-8950
www.mightymule.com­
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