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Sentry 300 automatic gate opener ornamental Iron vinyl chain link farm ranch gate openers

Sentry Service Manual - English
click here to download printable copy

Sentry Service Manual - Spanish
click here to download printable copy

Installation Steps:

1.	Importance of a Properly Designed Gate
2.	Tools Required
3.	Mounting Site Review
4.	Determine Proper Brackets and Opening Method
5.	Attach Universal Actuator Bracket to hinge post or post being used
6.	Attach Actuator Bracket to Universal Actuator Bracket
7.	Install Linear Actuator to Actuator Bracket
8.	Install Gate Bracket to Linear Actuator
9.	Install Gate Bracket to Gate
10.	Prepare Control Box for Installation
11.	Install Sentry Control Box
12.	Sentry Plug N Go Harness
13.	Install Battery
14.	Install Charging System (AC or Solar)
15.	Connect Charge Device to Charge Controller
16.	Charge Controller Operation Check
17.	Install Linear Actuator Cable
18.	Final Installation
19.	Sensitivity Adjustments and Entrapment Alarm
20.	Adjusting Gate 1 and Gate 2 Sensitivity
21.	Close and Open Limit Adjustments
22.	Operating Gate for the First Time
23.	Making Final Adjustments
24.	Install Safety Signs
25.	Programming Transmitter and Receiver

Sentry 300 D Gate 2 Installation

Click here for installation instructions for the Sentry 300 D Gate 2 linear actuator.

GENERAL REQUIREMENTS

BATTERY REQUIRED FOR OPERATION - battery not included

Recommended battery type:
Battery 12-volt, Group U-1; sealed (maintenance free); 33 amp hour minimum.
The Plug N Go harness has two 1/4” ring terminals to connect to bolt type battery post.

CAUTION: Do not install wet cell battery into control box. This type of battery usually has removable caps used for service and will vent into control box.