Flowserve Limitorque MX-20 - User Manual

Experience In Motion
USER INSTRUCTIONS
Limitorque MX
Electronic Actuator
FCD LMENIM2314-00 – 07/08
Maintenance
and Spare Parts
Swanson Flo | 800-288-7926 | www.swansonflo.com

Summary

1 Introduction

1.3 Important Notes and Warning Statements

Provides critical safety notices, warnings, and cautions for actuator operation and maintenance.

2 MX Actuator Subassembly

2.3 Maintenance

Details recommended maintenance procedures, including oil level checks and lubrication requirements.

2.4 Subassembly Removal and Remounting Procedures

Outlines the general procedures for removing and remounting subassemblies, emphasizing prerequisite steps.

3 Remove Actuator from Mounting Adapter

3.1 Actuator Removal with Type B1;B4;B4 E Base (Torque)

Provides step-by-step instructions for removing the actuator from torque bases.

3.2 Actuator Removal with Type A1;A1 E Base (Thrust)

Details procedures for removing the actuator from thrust bases, either separately or as a unit.

4 Mechanical Assemblies

4.2 Declutch

4.7 Thrust Base Type A1;A1 E

Provides part lists and removal/remounting procedures for A1/A1E thrust bases.

4.8 Torque Base Type B1

Details part lists and removal/remounting procedures for the Type B1 torque base.

4.9 Baseplate Type B4

Covers part lists and removal/remounting procedures for the Type B4 baseplate.

5 Electronic Assemblies

5.1 Control Panel (CP)

Provides part lists and diagrams for the Control Panel (CP) assembly.

5.2 Control Module (Units Supplied Before September 2003)

Details removal, remounting, fuse replacement, and EPROM care for control modules.

5.6 Adding Electronic Options to Your MX Actuator (Most Supplied After September 2007)

5.7 Restoring Power to Actuator with New Control Module

Guides on restoring power to the actuator after installing a new control module.

5.8 Terminal Block (prior to March 2007)

Details removal and remounting procedures for terminal blocks manufactured before March 2007.

5.9 MX Terminal Block (Supplied With Most Actuators Since March 2007)

5.10 Control Module-Contactor Assembly

5.11 Replacing 19 Amp Reverser on the MX-140 and -150 (Not for most actuators shipped after September 2007)

Provides instructions for replacing the 19 Amp reverser on specific MX models.

5.13 Encoder (Through hole and surface mount technology, most units prior to September 2007)

5.14 Encoder Drive Cartridge (Most units prior to September 2007)

5.15 Removal and Replacement of MX Encoder (Supplied With Most Actuators Since September 2007)

5.16 Encoder Drive Cartridge (Supplied With Most Actuators Since September 2007)

5.18 Solid State Motor Reverser Upgrade Instructions (Most units prior to September 2007)

Provides instructions for upgrading to a Solid State Motor Reverser for units prior to September 2007.

5.19 Mounting of SSMR (Solid State Motor Reverser) in units shipped after February 2008

6 Spare and Replacement Parts

Flowserve Limitorque MX-20 Specifications

General

Category	Controller
Manufacturer	Flowserve
Model	Limitorque MX-20
Fieldbus Communication	Modbus, Profibus
Enclosure	NEMA 4
Operating Temperature	-40 to 85 °C
Housing Material	Aluminum
Ambient Temperature Range	-40 to 85 °C