PRINTER’S INSTRUCTIONS: MANUAL, INSTRUCTIONS, MM371W / MM371W - P/N: 10022114 A - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 8.500” X 11.000” - TOLERANCE: ± .
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.
Please Read This First! Important Safety Information Thank you for purchasing a Mighty Mule Gate Operator— Nortek Security and Control'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 to ensure you have the correct system for your particular needs. If so, this manual and will enable you to properly install your Mighty Mule Gate Operator.
Important Safety Information Important Safety Information FOR THE INSTALLER AND END USER FOR THE INSTALLER AND END USER WARNING Typical Entrapment Zones are shown in the diagrams on page iv: To reduce the risk of injury or death: 1. READ AND FOLLOW ALL INSTRUCTIONS. 2. Never let children operate or play with gate controls. Keep the remote control away from children. 3. Always keep people and objects away from the gate. NO ONE SHOULD CROSS THE PATH OF THE MOVING GATE. 4. Test the gate operator monthly.
Important Safety Information Important Safety Information FOR THE INSTALLER AND END USER 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 Nortek Security and Control for free replacements. 2.
Important Safety Information Important Safety Information INSTALLING WARNING SIGNS AND PEDESTRIAN GATES REQUIRED SAFETY PRECAUTIONS FOR 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.
Technical Specifications Before You Begin MIGHTY MULE 371W/372W GATE OPENER POWERING OPTIONS • Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-20 ºC to +71 ºC). • Opener length with push-pull tube fully retracted is 37.25", mounting point to mounting point. Maximum stroke is 17". • Maximum opening arc of 110º. Approximate opening time (90º): 14 seconds, depending on weight of gate. • The system is powered by a 12Vdc automotive or marine battery (not included).
CHECK EXISTING GATE SIZE AND MATERIAL ITEMS INCLUDED FOR PRIMARY GATE OPENER INSTALLATION (MM371W) • Type of gate material: Vinyl, aluminum, chain link, farm tube, wrought iron, wood. • Gate size: Up to 16 feet and up to 50 lbs. — See Operational Capacity chart on page x. Not rated for use on solid surface gates. C B D Transformer Operator Arm IMPORTANT: CHECK FOR PROPER GATE INSTALLATION H ●● ●● ●● ●● ●● ●● The gate must be plumb, level, and swing freely on its hinges.
Mechanical Installation TOOLS NEEDED 7/16” Bit Drill ASSESSING THE GATE FOR INSTALLATION Center Punch Pen 1/2” Bit 7/32” Bit Your gate operator can be mounted to a variety of gate types. This section shows some of the most common, along with the reinforcement methods recommended prior to or while mounting your gate operator.
L T PULL-TO-OPEN OPERATOR MOUNTING (MOST COMMON) PULL-TO-OPEN OPERATOR MOUNTING Your Property N Your Property Step 1 Step 3 ●● Assemble the gate post bracket sub assembly as displayed. S ●● With the gate in the OPEN position, use clamps to secure the operator to the gate post and B center cross member of the gate. O N ●● Ensure that the operator is level.
PULL-TO-OPEN OPERATOR MOUNTING PULL-TO-OPEN OPERATOR MOUNTING Your Property Your Property Step 5 Step 8 Q ●● Using a drill and 7/16” drill bit, drill the necessary holes to mount the gate post and gate brackets. ●● Open the gate and reattach the operator to the gate bracket. ●● Ensure that the operator arm is level and the brackets are securely clamped. ●● Secure the post pivot bracket in place by installing the hardware shown. Tighten both bolts (O and Q).
PULL-TO-OPEN OPERATOR MOUNTING INSTALLING THE CLOSED POSITION STOP PLATE / PULL-TO-OPEN Your Property Your Property Step 10 V Step 1 T N H ●● Remove the operator from the gate post and gate brackets. L ●● Secure the gate bracket with the supplied hardware as shown. S ●● With the gate fully open, install the closed position stop plate (hardware not included). L ●● Do not fully tighten hardware until after the next step.
PUSH-TO-OPEN OPERATOR MOUNTING PUSH-TO-OPEN OPERATOR MOUNTING Your Property Your Property Step 1 Post Bracket Assembly Step 3 ●● Assemble the gate post bracket subassembly as shown with the Push-to-Open pivot bracket (FM148). Must be purchased separate. G O ●● Ensure thatBthe operator is level. F Push-to-Open pivot bracket (FM148) ●● With the operator arm temporarily secured to the gate, check to ensure there is at least 2 inches of clearance between the operator arm and gate.
PUSH-TO-OPEN OPERATOR MOUNTING Your Property Your Property Step 5 Q ●● Close the gate and reattach the operator to the gate bracket. ●● Ensure that the operator arm is level and the brackets are securely clamped. ●● Secure the post pivot bracket in place by installing the hardware shown. Tighten both bolts ‘O’ and ‘Q’. Step 6 ●● Using a permanent marker, mark the center of the mounting locations for the gate post bracket subassembly.
PUSH-TO-OPEN OPERATOR MOUNTING INSTALLING THE CLOSED POSITION STOP PLATE / PUSH-TO-OPEN Your Property Your Property Step 10 L T V ●● Secure the gate bracket with the supplied hardware as shown. Step 1 H ●● Remove the operator from the gate post and gate brackets. L ●● Swing the gate to the open position. ●● With the gate fully open, install the closed position stop plate on the gate opposite the operator (hardware not included). P ●● Do not fully tighten hardware until after the next step.
CONTROL BOX INSTALLATION CONNECTING THE OPERATOR(S) AND BATTERY Step 1 Step 1 4’ x. a M 3’ n. i M 3’ B ●● Identify a suitable mounting location for your control box at least 3 ft. from the ground and no more than 4 ft. from the primary operator. Note: If you intend to install and use the MMS100 Wireless Connectivity System (sold separately) with your gate operator, consider mounting your control box as high as possible to improve radio performance. n.
CONNECTING THE OPERATOR(S) AND BATTERY TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION WARNING Before digging contact local authorities to locate underground utilities such as electric and gas service. Step 3 Step 1 ●● Locate the PRIMARY operator wiring terminals, and insert the wires into the corresponding color terminals. ●● Locate power outlet and identify wire path to control box. ●● If installing a solar panel (FM123 sold separately), see solar panel instruction manual and skip to Step 3.
TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION Step 4 Step 3 TERM6 BAT+ BAT– PUSH ●● From the other end of the low voltage wire, SW1 SW2 strip 1/2” from both the RED and BLACK wire.
OPERATOR LIMIT SETTING TRANSMITTER PROGRAMMING Setting the Operator's Extended Limit (MM371W Only): 1. Press and hold the (up arrow) and ( ) buttons until LED1 turns on and the buzzer sounds. Release. 2. Use the (up arrow) and (down arrow) buttons to jog the gate operator to the EXTENDED position. 3. Once you have positioned the gate operator to the EXTENDED position, press and release the ( EXTENDED limit.
Connecting Additional Devices AUTO CLOSE SETTING Step 1 ●● The auto close timer is set to OFF from the factory. ●● To set an auto close timer, use a small flat head screw driver to turn the auto close potentiometer clockwise. 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.
CONTROL BOARD CONNECTIONS CONNECTING ACCESSORIES NOTES: 1 ●● All ACCESSORY INPUTS (ITEMS 2-6) are dry contact,normally open inputs. DO NOT apply external voltage inputs to these terminals. 2 ●● All ACCESSORY INPUTS (ITEMS 2-6) are connected with respect to the COMMON terminals (ITEM 1). 1 COM: Common/Negative terminal for accessory devices and negative wire from solar panel(s).
Maintenance ●● Monthly, test the obstruction and entrapment protection systems. ●● Monthly, service the gate operator (make sure the power switch is OFF). Clean extended operator arm with a soft, dry clean cloth. ●● On 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 - Visual Feedback If your gate operator does not function properly after it is installed, use this guide before calling the Nortek Security and Control Service Department.
For Your Records Repair Service 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 Nortek Security and Control for service or assistance with your automatic gate operator. If your Mighty Mule Gate Opener is not operating properly, please follow the steps below: Serial Number_____________________________________________ 1.
MMT103 ® The MMT103 Code Safe digital transmitter is a wireless radio control designed for use with Mighty Mule garage door openers and can also be programmed to your Mighty Mule gate openers. One remote for two or three devices. 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 or temporary.
Appendix A Gate Operator Installation Checklist ACCESSORY INSTALLATION INSTRUCTIONS FM130 / FM130-SW Installation For the FM130 / FM130-SW to function, the “Transmitter Module” must be programmed your gate operator’s control board. Before you begin: ●● Ensure the gate operator is in the OPEN position ●● Check to ensure the PUSH-PULL DIP setting is correct (see pages xiv & 21). If you have to change this DIP setting, turn the unit OFF then ON to save setting. ❑ 1.
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 Copyright ©2019 Nortek Security and Control, LLC.
