Baker Hughes Masoneilan 5A Series Instruction Manual

Baker Hughes Masoneilan 5A Series Instruction Manual

Double-acting cylinder actuator for rotary valves

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Masoneilan
5A Series
Double-Acting Cylinder Actuator
for Rotary Valves
Instruction Manual (Rev. A)
Baker Hughes Data Classification : Public

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Summary of Contents for Baker Hughes Masoneilan 5A Series

  • Page 1 Masoneilan ™ 5A Series Double-Acting Cylinder Actuator for Rotary Valves Instruction Manual (Rev. A) Baker Hughes Data Classification : Public...
  • Page 2 TO ASSIST IN THE INSTALLATION, TESTING, OPERATION, AND/OR MAINTENANCE OF THE EQUIPMENT DESCRIBED. THIS DOCUMENT SHALL NOT BE REPRODUCED IN WHOLE OR IN PART WITHOUT THE WRITTEN APPROVAL OF BAKER HUGHES. ii | © 2020 Baker Hughes Company. All rights reserved.
  • Page 3: Table Of Contents

    3. Reassembly ..........................5 4. Actuator Adjustment........................ 6 5. Actuator Operation Change ....................7 6. Installing the Handwheel ......................7 Parts Reference........................... 8 | iii © 2020 Baker Hughes Company. All rights reserved. Masoneilan 5A Series Double-Acting Cylinder Actuator Manual...
  • Page 4: Safety Precautions

    Safety Precautions IMPORTANT - Please read before installation Masoneilan 5A Series Double-Acting Actuator instructions contain DANGER, WARNING, and CAUTION labels, where necessary, to alert you to safety related or other important information. Read the instructions carefully before installing and maintaining your control valve. DANGER and WARNING hazards are related to personal injury.
  • Page 5: Introduction

    Throughout the text, safety and/or caution notes will appear and must be strictly adhered to, otherwise, serious injury or equipment malfunction could result. Baker Hughes has a highly skilled After Sales Department available for start-up, maintenance and repair of our Masoneilan valves and component parts.
  • Page 6: Actuator Disassembly

    If the valve is reassembled with the same actuator mounting position. To facilitate positioning and reassembly, a matching mark on the yoke and lever in the fully closed position is provided - see Figure 2. © 2020 Baker Hughes Company. All rights reserved. Baker Hughes...
  • Page 7 (see Figures 1-3) WARNING Remove the yoke (33), lever (34), and packing flange (14) together. Figure 1 Travel indicator dot Mark on yoke for assembly Figure 2 © 2020 Baker Hughes Company. All rights reserved. Masoneilan 5A Series Double-Acting Cylinder Actuator Manual...
  • Page 8 Note: The actuator is always mounted on the left side of the yoke with the valve closed when the actuator stem retracts. Installation is limited to the locations shown. Mounting positions limited to 2 only. Plug Position Figure 4 © 2020 Baker Hughes Company. All rights reserved. Baker Hughes...
  • Page 9: Maintenance

    (14) fits into the packing flange stud (13). With the packing flange on the shaft, pass the shaft through the grommet (12) of the yoke (33). © 2020 Baker Hughes Company. All rights reserved. Masoneilan 5A Series Double-Acting Cylinder Actuator Manual...
  • Page 10: Actuator Adjustment

    Manually move the lever (34) to the fully closed position. The clevis pin hole of the lever (34) and the hole of the clevis (35) should be assembled. © 2020 Baker Hughes Company. All rights reserved. Baker Hughes...
  • Page 11: Actuator Operation Change

    (50). Also, after installing the handwheel, return the handwheel until the washer (51) hits the yoke lightly, and fix it with the handwheel lock (52) at that position. © 2020 Baker Hughes Company. All rights reserved. Masoneilan 5A Series Double-Acting Cylinder Actuator Manual...
  • Page 12: Parts Reference

    Copyright 2020 Baker Hughes Company. All rights reserved. Baker Hughes provides this information on an “as is” basis for general information purposes. Baker Hughes does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use.

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