October 2015
Service Instructions
VA001-196-30 Rev. 1
2
Section 1: Introduction
Introduction
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Definitions
WARNING:
If not observed, user incurs a high risk of severe damage to actuator and/or fatal injury
to personnel.
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.
NOTE:
This product is only intended for use in large-scale fixed installations excluded from the
scope of Directive 2011/65/EU on the restriction of the use of certain hazardous substances
in electrical and electronic equipment (RoHS 2).
ES:
Extended stop screw (for travel stop adjustment over a full 100° degree travel range).
ES is not intended for use as a manual override.
M3:
Manual jackscrew override
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General Safety Information
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Products supplied by Emerson, in its “as shipped” condition, are intrinsically safe
if the instructions contained within this service instruction are strictly adhered to
and executed by well trained, equipped, prepared and competent personnel.
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 conflict arises between this procedure and the customer’s procedures the
differences should be resolved in writing between an authorized customer's representative
and an authorized Emerson/Bettis representative.