Emerson M11S-S Installation, Operation And Maintenance Manual
Installation, Operation and Maintenance Manual
M11S-S Hydraulic Control System
For "G" Series Spring Return Actuators
121960, Rev. C
June 2012
Installation, Operation and Maintenance Manual
121960 Rev. C
Table of Contents
Section 1: Introduction ���������������������������������������������������������1
1.1 System Description ....................................................................................... 1
1.2 Denitions .................................................................................................... 1
1.3 Safety Statement ........................................................................................... 1
Section 2: General Information ���������������������������������������������2
Section 3: Actuator Power Operation �����������������������������������3
Section 4: Actuator M11S-S Manual Operation ���������������������4
Section 5: Sytem Refilling ����������������������������������������������������� 5
Table of Contents
June 2012
Section 6: Maintenance ��������������������������������������������������������7
Section 7: Document Revision ����������������������������������������������8
Appendix A: List of Drawings ������������������������������������������������9
A.1 Part No. 121107, Assembly Dwg M11S-S G4/G8, Sheet 1 of 2 ....................... 9
A.2 Part No. 121107, Assembly Dwg M11S-S G4/G8, Sheet 2 of 2 ..................... 10
Table of Contents
I
Section 1: Introduction
June 2012
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).
1�2 Definitions
WARNING:
If not observed, user incurs a high risk of severe damage to actuator and/or fatal injury to personnel.
Installation, Operation and Maintenance Manual
121960 Rev. C
CAUTION:
If not observed, user may incur damage to actuator and/or injury to personnel.
NOTE:
Advisory and information comments provided to assist maintenance personnel to carry out
maintenance procedures.
1�3 Safety Statement
Products supplied by Bettis, in its "as shipped" condition, are intrinsically safe if the instructions
contained within this Service Instruction are strictly adhered to and executed by a well trained,
equipped, prepared and competent technician.
WARNING: FOLLOW WARNING AND CAUTION SIGNS
For the protection of personnel working on Bettis actuators, this procedure should be
reviewed and implemented for safe disassembly and reassembly. Close attention should be
noted to the WARNINGS, CAUTIONS and NOTES contained in this procedure.
WARNING: FOLLOW COMPANY SAFETY PROCEDURES
This procedure should not supersede or replace any customer’s plant safety or work
procedures. If a conict arises between this procedure and the customer’s procedures the
differences should be resolved in writing between an authorized customers representative
and an authorized Bettis representative.
1
Introduction
Installation, Operation and Maintenance Manual
121960 Rev. C June 2012
Section 2: General Information
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 ll plug must be removed and replaced, with the breather supplied, before
operation.
2.1 Numbers in parentheses ( ), indicate the bubble number (reference number) used on the Bettis
Assembly Drawing.
2.2 Bettis M11S-S System Assembly Drawing part number 121107.
2.3 M11S-S Hydraulic Control System Fluid Requirements: Hydraulic uids, other than those listed
in steps 2.3.1 and 2.3.2, should not be used without prior written approval of Bettis Product
Engineering.
2.3.1 Standard and high temperature service (-20°F to +350°F) use Dexron II or or Shell
Tellus T-32 Automatic Transmission Fluid..
2.3.2 Low temperature service (-50°F to +150°F) Use Exxon Univis J13 or HVI 13
Hydraulic Fluid.
CAUTION: FOLLOW MANUFACTURER'S INSTRUCTIONS
Apply thread sealant per the manufacturer's instructions.
2.4 Do not use Teon tape on threads, use a non-hardening thread sealant on all pipe threads.
General Information
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