Air Torque AT051U - 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 AT051U

Installation Maintenance And Operating Instructions12 pages

Questions and Answers

B
Brooke HughesAug 8, 2025
What to do if my Air Torque AT051U Controller loses power?
- S
  Steven MorenoAug 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
cabreraryanAug 19, 2025
Why is my Air Torque AT051U rotation uneven?
- K
  Kristin RobertsAug 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.
K
Kimberly BurnettAug 28, 2025
How to fix incomplete rotation of Air Torque AT051U?
- C
  claypamelaAug 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.

Summary

Definition of Signal Words

Signal Word Explanations

Defines and explains the meaning of signal words like DANGER, WARNING, NOTICE, Note, and Tip used in the manual.

Safety Instructions and Measures

Hazard Warnings

Details specific warnings related to severe personal injury, personal injury, and property damage risks.

Design and Principle of Operation

Direction of Action and Fail Positions

Mounting and Assembly

Mounting the Actuator Over the Valve

Detailed steps for mounting the actuator onto the valve, including direct and bracket methods.

Start-up

Operation

Malfunctions

Troubleshooting and Emergency Actions

Provides guidance on identifying and resolving common malfunctions and actions in emergencies.

Service

Disassembly

Detailed instructions for disassembling the actuator, including specific component removals.

Drive Shaft Reassembly

Pistons Reassembly

End Caps Reassembly

Stroke Adjustment

Guidance on adjusting the actuator's stroke for both closed and open positions.

Mounting the Actuator Over the Valve

Decommissioning

Removal

Repairs

Annex

Tightening Torques

Provides specific tightening torque values for various actuator components and connections.

Summary

Definition of Signal Words

Signal Word Explanations

Defines and explains the meaning of signal words like DANGER, WARNING, NOTICE, Note, and Tip used in the manual.

Safety Instructions and Measures

Hazard Warnings

Details specific warnings related to severe personal injury, personal injury, and property damage risks.

Design and Principle of Operation

Direction of Action and Fail Positions

Mounting and Assembly

Mounting the Actuator Over the Valve

Detailed steps for mounting the actuator onto the valve, including direct and bracket methods.

Start-up

Operation

Malfunctions

Troubleshooting and Emergency Actions

Provides guidance on identifying and resolving common malfunctions and actions in emergencies.

Service

Disassembly

Detailed instructions for disassembling the actuator, including specific component removals.

Drive Shaft Reassembly

Pistons Reassembly

End Caps Reassembly

Stroke Adjustment

Guidance on adjusting the actuator's stroke for both closed and open positions.

Mounting the Actuator Over the Valve

Decommissioning

Removal

Repairs

Annex

Tightening Torques

Provides specific tightening torque values for various actuator components and connections.

Air Torque AT051U Specifications

General

Brand	Air Torque
Model	AT051U
Category	Controller
Language	English

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