July 2020
Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
2
Section 1: Introduction
Introduction
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.
1.3
General Safety Information
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 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 NOTICE
contained in this procedure.
!
WARNING
Follow plant 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 Bettis representative.