Section 1: Introduction; General Service Information; Definitions - Emerson BETTIS G01 Series Disassembly And Reassembly

Service Instructions
127072E Rev. C

Section 1: Introduction

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General Service Information

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NOTE:
Storage time is counted as part of the service interval.
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1�1�10 Use a non-hardening thread sealant on all pipe threads.
CAUTION: FOLLOW MANUFACTURER'S INSTRUCTIONS
Apply the thread sealant per the manufacturer's instructions.
1�1�11 Emerson recommends that disassembly of the actuator modules should be done
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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.
Introduction
This service procedure is offered as a guide to enable general maintenance to be
performed on Bettis G01X0X.X-SR-M11, G2X0X.X-SR-M11, G3X0X.X-SR-M11,
G4X0X.X-SR-M11, G5X0X.X-SR-M11, G7X0X.X-SR-M11, G8X0X.X-SR-M11 and
G10X0X.X-SR-M11 Spring-Return Series Single Hydraulic Power Module Actuators
with M11 or M11-S hydraulic override module.
Normal recommended service interval for this actuator series is five years.
This procedure is applicable with the understanding that all electrical power and
hydraulic pressure have been removed from the actuator.
Remove all piping and mounted accessories that will interfere with the module(s)
that is to be worked on.
This procedure should only be implemented by a technically competent technician
who should take care to observe good workmanship practices.
Numbers in parentheses ( ) indicate the bubble number (reference number) used
on the Bettis assembly drawing and actuator parts list.
This procedure is written using the stop screw side of the housing (1-10) as a
reference and this side will be considered the front side of the actuator. The
housing cover (1-20) will be the top of the actuator.
Actuator module weights are listed in Section 6 Table 6.1.
When removing seals from seal grooves, use a commercial seal removing tool or a
small screwdriver with sharp corners rounded off.
in a clean area on a work bench.
Section 1: Introduction
October 2015
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