Emerson M11S-S Installation, Operation And Maintenance Manual

Hydraulic control system for "g" series spring return actuators
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Installation, Operation and Maintenance Manual
121960, Rev. C
June 2012
M11S-S Hydraulic Control System
For "G" Series Spring Return Actuators

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  Summary of Contents for Emerson M11S-S

  • Page 1 Installation, Operation and Maintenance Manual 121960, Rev. C June 2012 M11S-S Hydraulic Control System For "G" Series Spring Return Actuators...
  • Page 3: Table Of Contents

    Section 7: Document Revision ����������������������������������������������8 Appendix A: List of Drawings ������������������������������������������������9 Part No. 121107, Assembly Dwg M11S-S G4/G8, Sheet 1 of 2 ....... 9 Part No. 121107, Assembly Dwg M11S-S G4/G8, Sheet 2 of 2 ..... 10 Table of Contents...
  • Page 4: Section 1: Introduction

    1�1 System Description M11S-S Hydraulic Control System is a compact, modular system designed for use with Bettis spring return actuators. The system incorporates a piston type hand pump and a make-up oil reservoir necessitated by the differential volume of the hydraulic cylinder (the differential volume is due to the inboard piston rod displacement).
  • Page 5: Section 2: General Information

    June 2012 Section 2: General Information CAUTION: FOLLOW PROPER MOUNTING PROCEDURES The M11S-S package must be mounted with the pump and reservoir upright and vertical. The reservoir fill plug must be removed and replaced, with the breather supplied, before operation.
  • Page 6: Section 3: Actuator Power Operation

    Fully open the M11S-S by-pass control valve (30). NOTE: The valve is located on the right hand side of the M11S-S control module. CAUTION: DO NOT EXCEED OPERATING PRESSURE Do not exceed the maximum operating pressure rating of the actuator.
  • Page 7: Section 4: Actuator M11S-S Manual Operation

    Continued operation of the pump simply circulates fluid through a high pressure relief. Fully open the M11S-S by-pass control valve (30) to reverse the actuator rotation or to return to normal power operation. Actuator M11S-S Manual Operation...
  • Page 8: Section 5: Sytem Refilling

    5.2.1 Shut off and exhaust the operating media from the actuators power cylinder. 5.2.2 Allow the actuator to fully stroke to its fail position by opening the M11S-S by-pass control (30) valve. 5.2.3 Remove the breather (150) from the reservoir end cap (25).
  • Page 9 5.3.10 and proceed as follows: 5.3.12 Close the M11S-S block (10) by-pass control valve (30). 5.3.13 Operate the M11S-S hand pump as described in section 4.0 to cycle actuator. 5.3.14 Replace the hydraulic cylinder inboard top o-ring plug when fluid appears. Stop operation of pump.
  • Page 10: Section 6: Maintenance

    Bettis does not recommend periodic field maintenance for the M11S-S module and pump. The only time the M11S-S module or pump should be disassembled is when either the pump or the M11S-S module fails to perform its override function. If maintenance is required and when possible the M11S-S package should be returned to the factory for maintenance.
  • Page 11: Section 7: Document Revision

    Installation, Operation and Maintenance Manual Section 7: Document Revision 121960 Rev. C June 2012 Section 7: Document Revision Table 1� Revision Overview DATE BY * DATE Released September, 1997 A COMPILED COLBY 22 JUNE 06 19110 July, 2006 CHECKED JOHN R 6/22/06 APPROVED DAVID MCGEE...
  • Page 12: Appendix A: List Of Drawings

    Installation, Operation and Maintenance Manual Appendix June 2012 121960 Rev. C Appendix: A List of Drawings A�1 Part No� 121107, Remote Mount Assembly Dwg M11S-S G4/G8 For Fire Safe, Sheet 1 of 2 Apppendix...
  • Page 13: Part No. 121107, Assembly Dwg M11S-S G4/G8, Sheet 2 Of 2

    Installation, Operation and Maintenance Manual Appendix 121960 Rev. C June 2012 A�2 Part No� 121107, Remote Mount Assembly Dwg M11S-S G4/G8 For Fire Safe, Sheet 2 of 2 Appendix...
  • Page 15 ©2017 Emerson. All rights reserved. No. 1 Lai Yuan Road EUROPE Wuqing Development Area The Emerson logo is a trademark and service mark of Emerson Electric Co. Tianjin 301700 Berenyi u. 72- 100 Bettis is a mark of one of the Emerson family of companies.