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Service Instructions
133893 Rev. C
1�2
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).
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General Safety Information
Products supplied by Bettis, in its "as shipped" condition, are intrinsically safe if the instruc-
tions contained within this service instruction are strictly adhered to and executed by well-
trained, equipped, prepared and competent personnel.
WARNING: READ WARNING MESSAGES CAREFULLY
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 PLANT SAFETY PROCEDURES
This procedure should not supersede or replace any customers plant safety or work
procedures. If a conflict arises between this procedure and the customers procedures
the differences should be resolved in writing between an authorized customers
representative and a authorized Bettis representative.
Introduction
Section 1: Introduction
January 2013
2
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