Parts List - Opener And Mounting Hardware - Nortek Security & Control Mighty Mule HD272 Installation Manual

2. Check Direction of Gate Swing
The Mighty Mule 272 is designed for PULL-TO-OPEN
installations. PUSH-TO-OPEN installations require two
Push-To-Open brackets [FM148]. Push-to-Open Installation
Instructions begin on page 21.
3. Prepare the Gates
• Gates must be plumb, level, and swing freely on their
hinges.
• Wheels must NOT be attached to the gates.
• The gates must move throughout their arcs without
binding or dragging on the ground.
• Note that gates over 250 lb. should have ball bearing hinges with grease fittings.
• The gate post should be secured in the ground with concrete so it will minimize twist or flex when the opener is activated.
• The addition of a horizontal or vertical cross member (if one is not already in place) to provide a stable area for mounting
the gate bracket is also important.
• Trench the driveway in order to lay PVC conduit for the second opener power cable (see illustration on
A
E B
F
C
Metal gate post
A – Level D – Posts Secured in Concrete
B – Plumb E – Centerline Mounting D
C – Free Swinging F – Good Working Hinges
Ground
6 ft. deep
or more
Metal Gate Post
3/16" Drilled
Pilot Hole
Copper clad ground rod
Copper Single
(not included)
Conductor Lug
2 ft. or Less
from post
Copper ground
2 Inches or
rod clamp Less above
ground
12awg or Larger
Ground
3
HD272 Installation Instructions
Your Property Your Property
Pull-To-Open Push-To-Open
(arm retracts to open) (arm extends to open)
page 6).
Horizontal Cross Member
Vertical Cross Member
Gate Opener
Control Box
Gate Grounding
(recommended)
• Shorter wire (6 AWG) is better, 1 to 2 feet recommended.
• Bolt ring terminal at end of cable 4 - 6 inches above
ground level.
NOTE: No grounding system absolutely protects against
lightning strikes. If installed correctly, a grounding system
will help minimize damage to your gate opener.
Parts List – Opener and Mounting Hardware
!
WARNING
Moving Gate Can Cause
Injury Or Death
1. KEEP CLEAR! Gate may move at any time.
2. Do not allow children to operate gate or
play in gate area.
Battery Wire
3. This gate is for vehicles only. Pedestrians
must use a separate entrance.
Harness (1) with Transformer (1)
Warning Signs (2)
RB503
15A fuses (2)
Transmitter(2)
Gate Bracket (2) MMT103
Closed Position
Post Bracket (2)
Stop Plate (2)
Hardware Bag Contents
3/8" x 8" Bolt (4)
3/8" x 2-3/4" Bolt (4)
3/8" x 1-1/4" Bolt (2)
5/16" x 1-1/4" Bolt (2)
3/8" x 1-1/2" Clevis Pin (4)
Hairpin Clip (4)
Control Box (1) Battery Box (1) Battery (1)
Gate Opener (2)
Post Pivot Bracket (2)
Literature Kit
3/8" Washer (14)
3/8" Lock Washer (10)
5/16" Washer (2)
3/8" Nut (10)
5/16" Lock Nut (2)
2" Mounting Screw (3)
HD272 Installation Instructions
4