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Air Torque AT301U - User Manual

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Original instructions
EB AT-RP-4GU EN
4th Generation Upgrade Series
Rack&Pinion actuators
AT045U → AT801U models
Edition November 2020

Table of Contents

Other manuals for Air Torque AT301U

Preview: Installation Maintenance And Operating Instructions
Installation Maintenance And Operating Instructions12 pages

Questions and Answers

  • W
    whitechristineAug 9, 2025
    What to do if my Air Torque AT301U Controller loses power?
    • S
      Stephen SmithAug 9, 2025
      If your Air Torque Controller experiences a loss of power, first ensure that the supply pressure is correct by checking the control system. Then, inspect all tubing and fittings for blockages, compression, or sealing issues, removing any obstructions or damaged parts. Also, you should disassemble the actuator to inspect and replace any damaged seals. Check the air exhaust hole and remove any plugs or foreign objects that may be blocking it.
  • C
    candersonAug 19, 2025
    Why is my Air Torque Controller rotation uneven?
    • L
      Lonnie SnowAug 19, 2025
      Uneven rotation in your Air Torque Controller can stem from several causes. Start by checking the supply system to ensure the pressure is correct. If that's not the issue, the actuator may need lubrication; disassemble it, lubricate all sliding parts, and then reassemble. Worn or damaged components can also cause this, so inspect and replace any that are faulty. Ensure the control system components are correctly assembled. If the actuator is mounted on a valve, consult the valve documentation and contact the manufacturer for assistance.
  • M
    Michael NelsonAug 29, 2025
    How to fix incomplete rotation of Air Torque AT301U?
    • J
      Jason VazquezAug 29, 2025
      Incomplete rotation of your Air Torque Controller can occur due to several reasons. First, ensure the stroke is correctly adjusted. Next, disassemble the actuator and check for any foreign objects inside. Also, incorrect assembly after maintenance can cause this issue, so disassemble and reassemble the actuator correctly. Make sure the control system components are correctly assembled. If the actuator is mounted on a valve, check the valve documentation and contact the manufacturer.

Summary

Safety instructions and measures

Intended use

Defines the intended purpose and scope of use for AIR TORQUE actuators.

Reasonably foreseeable misuse

Qualifications of operating personnel

Warning against residual hazards

Advises on preventing hazards from signal pressure, stored energy, or moving parts.

Responsibilities of the operator

Responsibilities of operating personnel

1.1 Notes on possible severe personal injury

Details severe personal injury risks, including bursting and falling loads.

1.2 Notes on possible personal injury

Covers risks of personal injury from lifting, moving parts, air exhaust, and springs.

1.3 Notes on possible property damage

Markings on the device

2.1 Actuator nameplate sample

Illustrates and explains the information presented on the actuator's nameplate.

Design and principle of operation

3.1 Direction of action and fail positions

Explains the standard rotation direction and fail-safe positions of the actuators.

3.3 Technical data

Mounting and assembly

5.1 Preparation for installation

5.3 Mounting the actuator over the valve

Details the procedure for mounting the actuator onto the valve, with safety warnings.

Start-up

Operation

Malfunctions

8.1 Troubleshooting

Provides a guide to identify and resolve common actuator malfunctions.

Service

9.1 Preparation for servicing

Lists the steps and materials needed before performing service on the actuator.

9.2 Part list

9.3 Disassembly

Details the process of disassembling the actuator and its components.

9.5 Reassembly

Repairs

Air Torque AT301U Specifications

General IconGeneral
BrandAir Torque
ModelAT301U
CategoryController
LanguageEnglish

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