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Flowserve Limitorque L120-10 - User Manual

Flowserve Limitorque L120-10
36 pages
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Experience In Motion
USER INSTRUCTIONS
Installation
Operation
Maintenance
Limitorque
®
Actuation Systems L120 Series
For L120-10 through L120-40
FCD LMENIM1201-05-A4 – 03/18
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Summary

Introduction to Flowserve Limitorque L120 Series

User Safety Precautions

Highlights critical safety notices to reduce risk of personal injury and equipment damage during operation.

Installation Instructions and Safety

Critical Installation Safety Precautions

Details essential warnings and precautions before and during actuator installation.

General Safety Practices for Operation

Outlines general safety checks to ensure safe actuator operation and maintenance.

Torque Switch Settings and Balancing

Setting the Torque Switch

Procedure to adjust the torque switch for desired torque or thrust output.

Balancing the Torque Switch

Steps involved in balancing the torque switch for accurate protection.

Geared Limit Switch Configuration

Setting the Geared Limit Switch

Instructions for setting the geared limit switch to control valve travel limits.

Limit Switch Setting Procedure

Detailed steps for setting the limit switch rotor segments and ensuring correct contact.

Position Indication Systems

Calibrating Remote Position Transmitter

Steps to calibrate the position transmitter for a 4-20 mA output signal.

Actuator Operation Procedures

Electrical Start-up Sequence

Steps for initiating electrical startup, including verifying lubrication and checking rotation.

Motor Operation Functionality

Explains how the actuator operates when the motor is energized.

Summary

Introduction to Flowserve Limitorque L120 Series

User Safety Precautions

Highlights critical safety notices to reduce risk of personal injury and equipment damage during operation.

Installation Instructions and Safety

Critical Installation Safety Precautions

Details essential warnings and precautions before and during actuator installation.

General Safety Practices for Operation

Outlines general safety checks to ensure safe actuator operation and maintenance.

Torque Switch Settings and Balancing

Setting the Torque Switch

Procedure to adjust the torque switch for desired torque or thrust output.

Balancing the Torque Switch

Steps involved in balancing the torque switch for accurate protection.

Geared Limit Switch Configuration

Setting the Geared Limit Switch

Instructions for setting the geared limit switch to control valve travel limits.

Limit Switch Setting Procedure

Detailed steps for setting the limit switch rotor segments and ensuring correct contact.

Position Indication Systems

Calibrating Remote Position Transmitter

Steps to calibrate the position transmitter for a 4-20 mA output signal.

Actuator Operation Procedures

Electrical Start-up Sequence

Steps for initiating electrical startup, including verifying lubrication and checking rotation.

Motor Operation Functionality

Explains how the actuator operates when the motor is energized.

Flowserve Limitorque L120-10 Specifications

General IconGeneral
Voltage120 VAC, 240 VAC, 480 VAC, 24 VDC
Enclosure RatingNEMA 4
Control OptionsLocal, Remote
MountingMulti-turn
Ambient Temperature Range-40°F to 150°F (-40°C to 65°C)

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