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Limitorque SMB-2 User Manual

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Limitorque
®
SMB Series/SB Series
Installation and Maintenance
Limitorque Actuation Systems
140-11000
July 2003

Table of Contents

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Limitorque SMB-2 Specifications

General IconGeneral
BrandLimitorque
ModelSMB-2
CategoryController
LanguageEnglish

Summary

1 Introduction

1.1 Purpose

Explains the manual's scope covering installation, operation, disassembly, lubrication, and parts.

1.2 User Safety

Details precautions to reduce injury and equipment damage, including warning symbols.

2 Product Capabilities and Features

2.1 Initial Inspection and Storage Instructions

Instructions for receiving, inspecting, and storing the actuator to maintain integrity.

2.2 Product Identification

Details information found on actuator and motor nameplates for identification.

2.3 Inspection and Recording

Procedures for inspecting the actuator upon receipt and recording its details.

2.4 Storage Procedure

Recommended storage procedures to maintain product integrity and avoid warranty voidance.

3 Actuator Weights

4 Installation Instructions

4.1 Safety Precautions

Critical warnings and precautions for safe installation, operation, and troubleshooting.

4.2 Safety Practices

Checkpoints for safe operation, including mounting, cleanliness, and wiring verification.

4.3 Prepare Initial Actuator

Steps to prepare the actuator for installation, including replacing protectors and checking mounting.

4.4 Setting Limit Switch

Procedures for setting the limit switches to trip at desired valve positions.

4.5 Setting Torque Switch

Procedures for setting the torque switch to protect the actuator from overload.

4.6 Position Indication

Instructions for setting local and remote position indicators.

4.7 Additional Electrical Components

Information on electrical components like reversing starters and overload relays.

5 Operation

5.1 Motor Operation

Explains how the actuator operates using the electric motor and its internal mechanisms.

5.2 Manual Operation

Instructions for operating the actuator manually using the handwheel.

6 Maintenance

6.1 Routine Maintenance

Procedures for regular maintenance checks every 18 months or 500 cycles.

6.2 Major Maintenance

Procedures for major maintenance when operational deficiencies are evident.

6.3 Lubrication

Guidance on lubricating the actuator's components for optimal performance.

7 SMB Disassembly & Reassembly

7.1 SMB-000

Disassembly and reassembly instructions specific to the SMB-000 model.

7.2 SMB-00

Disassembly and reassembly instructions specific to the SMB-00 model.

7.3 SMB-0, 1, 2, 3, 4, 4T

Disassembly and reassembly instructions for SMB-0, 1, 2, 3, 4, and 4T models.

7.4 SMB-5 and SMB-5T

Disassembly and reassembly instructions for SMB-5 and SMB-5T models.

8 SB Disassembly and Reassembly

8.1 SB-00

Disassembly and reassembly for the SB-00 actuator, referencing SMB-00 procedures.

8.2 SB-0

Disassembly and reassembly for the SB-0 actuator, referencing SMB-0 procedures.

8.3 SB-1

Disassembly and reassembly for the SB-1 actuator, referencing SMB-0 procedures.

8.4 SB-2

Disassembly and reassembly for the SB-2 actuator, referencing SMB-2 procedures.

8.5 SB-3

Disassembly and reassembly for the SB-3 actuator, referencing SMB-3 procedures.

8.6 SB-4

Disassembly and reassembly for the SB-4 actuator, referencing SMB-4 procedures.

9 Troubleshooting

Geared Limit Switch Failures

Corrective actions for when geared limit switches fail to stop valve travel.

Motor Operation Issues

Corrective actions for when the actuator cannot be operated by motor.

Handwheel Effort Issues

Corrective actions for when excessive effort is required to turn the handwheel.

Starter and Pushbutton Contact Problems

Corrective actions for starter and pushbutton contact issues.

10 How to Order Parts

Ordering Information

Details required information for ordering parts or obtaining further information.

Space Heater Sizing

Table showing space heater sizes based on voltage rating for limit switch compartments.

11 Regulatory Information

Declaration of Conformity

Formal declaration of conformity to applicable EU directives and standards.

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