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Air Torque AT201U - 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 AT201U

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

Questions and Answers

  • G
    Gregory RomeroAug 8, 2025
    What to do if my Air Torque AT201U loses power?
    • D
      Dana YoungAug 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.
  • S
    Samuel AndersonAug 28, 2025
    How to fix incomplete rotation of Air Torque AT201U?
    • L
      larsonchristineAug 28, 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.
  • L
    Lisa HansenSep 10, 2025
    Why is my Air Torque AT201U Controller rotation uneven?
    • P
      phillipharrisSep 12, 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.

Summary

Definition of Signal Words

DANGER

Defines hazardous situations resulting in death or serious injury.

WARNING

Defines hazardous situations resulting in death or serious injury.

Safety Instructions and Measures

Intended Use

Qualifications of Operating Personnel

Personal Protective Equipment

Responsibilities of the Operator

Outlines the operator's duties for safe operation and compliance.

Responsibilities of Operating Personnel

Details the duties of personnel operating the actuators.

Notes on Possible Severe Personal Injury

Details hazards that can cause death or serious injury.

Notes on Possible Personal Injury

Details hazards that can cause personal injury.

Design and Principle of Operation

Direction of Action and Fail Positions

Technical Data

Mounting and Assembly

Preparation for Installation

Control and Signal Devices Assembly

Mounting the Actuator Over the Valve

Detailed instructions for attaching the actuator to the valve.

Start-up

Operation

Malfunctions

Troubleshooting

Table listing common malfunctions and recommended actions.

Service

Preparation for Servicing

Part List

Disassembly

General instructions for disassembling the actuator.

End Caps Disassembly

Procedures for safely removing the end caps.

Pistons Disassembly

Drive Shaft Disassembly

Service Operations

Reassembly

Procedures for reassembling the actuator after service.

Drive Shaft Reassembly

Pistons Reassembly

End Caps Reassembly

Instructions for reassembling the end caps.

Stroke Adjustment

How to adjust the actuator's stroke limits.

Mounting the Actuator Over the Valve

Repairs

Annex

Tightening Torques

Specifies torque values for various fasteners and components.

Air Torque AT201U Specifications

General IconGeneral
BrandAir Torque
ModelAT201U
CategoryController
LanguageEnglish

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