Tools And Materials; Installation Overview For Pull-To-Open Gates - Nortek Security & Control Mighty Mule HD272 Installation Manual

Tools and Materials

Tools Needed:
• Power Drill
• Open End Wrenches — 1 / " and 9 / "
2 16
• Adjustable Wrench
• 3 / " Drill Bit
8
• Hacksaw or Heavy Duty Bolt Cutters
• Small Flat Bladed Screwdriver
• Large Phillips Screwdriver
• Tape Measure
• Level
• Wire Strippers
• C-Clamps — small, medium, and large
• Center Punch
• Hammer (for center punch)
• Extra person will be helpful
Materials You May Need for the Installation:
These items are NOT included with the gate opener kit. Some of these items can be purchased or special ordered through
participating retailers. Please see page 28 or www.mightymule.com
• 12 VDC automotive/lawn tractor or deep cycle marine battery is required to power the opener.
• Low voltage wire [RB509] will be needed to run from the transformer to the opener control board; length depends upon the
distance between the transformer power supply and the control box.
• If your gate is more than 1000' away from an AC power source you will need to use at least one 10 watt Solar Panel [FM123]
to charge the 12 Volt battery. (page 2 & page 28)
• PVC conduit for protecting in ground wiring. (page
• Push-To-Open Brackets [FM148] are required if gates open out from property.
• Materials to reinforce thin walled tube or panel gates.
• 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. (page 3 & page 7)
• Some installations may require muffler clamps for the gate bracket, to prevent drilling into thin wall tube gates.
• (2)16 AWG crimp on fork lugs. (page 17)
• Surge protection for transformer. (page 18)
• Weather proof outlet and cover is required if transformer is plugged into outside outlet.
• Some types of installations require U-Bolts for closed position stop plate.
• A low profile ground stop is required for dual gates when using the Mighty Mule gate lock.
5
HD272 Installation Instructions
NOT ALL TOOLS ARE SHOWN
(page 2)
(page 15 & page 22)
6)
(page 3 & page 22)
(page 7)
(page
(page 18)
(page 11)
(page 11)

Installation Overview for Pull-To-Open Gates

PUSH-TO-OPEN installation instructions begin on
Example of an installation on a chain link fence:
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).
Gate in the
CLOSED POSITION
1" minimum
Pinch Area
Gate in the
7)
OPEN POSITION
1" minimum
page 21.
Gate Swings Evenly and Freely
Hung Firmly and Plumb
First Opener
Gate Bracket
Closed Position Stop Plates
36' power cable allows the control You will need to trench across the
board to control the SECOND gate driveway in order to lay conduit for
opener (run in PVC conduit) the second opener power cable.
IMPORTANT: To achieve the most efficient
leverage for the gate opener and ensure long
trouble free service, the gate opener needs to be
installed within the following parameters.
Pinch Area
The diagram at left shows the optimum position
for gate opener arm in relation to the gate in the
open and closed positions.
Be sure the position of the gate opener and
7 to 13"
stroke
brackets allows for 1" of clearance between the
gate and the opener in both the open and closed
position, at the same time maintaining a stroke
distance of 7" to 13" from center of hole in the
end of the retracted opener arm to the center of
the hole in the gate bracket with the gate in the
closed position.
If the gate post is larger than
6" the Post Pivot Bracket can
be removed and the center
hole of the Post
Bracket can be the
mounting point for
the gate opener.
Center hole of
post bracket
Second Opener
Fence Post
Set in Concrete
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
6
HD272 Installation Instructions