Emerson Bettis G Series User manual

Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0
January 2021
Bettis G-Series
Acculine Drive Shaft Replacement

Notes
January 2021
Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0
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iTable of Contents
Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0
Table of Contents
January 2021
Table of Contents
Section 1: Introduction
1.1 General Service Information.......................................................................... 1
1.2 Denitions .................................................................................................... 2
1.3 General Safety Information ........................................................................... 2
1.4 Service Support Items................................................................................... 3
1.5 Lubrication and Fluid Requirements .............................................................. 3
Section 2: Removal and Installation
2.1 Acculine Drive Shaft Removal........................................................................ 4
2.2 New Acculine Drive Shaft Installation ............................................................ 6
Section 3: Actuator Support Information
3.1 G01 Tool Style and Wrench Size .................................................................... 9
3.2 G2 Tool Style and Wrench Size..................................................................... 10
3.3 G3 Tool Style and Wrench Size..................................................................... 10
3.4 G4 Tool Style and Wrench Size..................................................................... 11
3.5 G5 Tool Style and Wrench Size..................................................................... 11
3.6 G7 Tool Style and Wrench Size..................................................................... 12
3.7 G8 Tool Style and Wrench Size..................................................................... 12
3.8 G10 Tool Style and Wrench Size .................................................................. 13

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Installation, Operation and Maintenance Manual
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Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0 January 2021
Introduction 1
Section 1: Introduction
Section 1: Introduction
1.1 General Service Information
1.1.1 This service procedure is offered as a guide to enable Bettis™ Acculine drive shaft
replacement to be performed on Bettis™ G01 - G13 G-Series Actuators.
1.1.2 This procedure is applicable with the understanding that all electrical power and
pneumatic pressure has been removed from the actuator.
1.1.3 Remove all piping and mounted accessories that will interfere with the module(s)
that are to be worked on.
1.1.4 This procedure should only be implemented by a technically competent technician
who should take care to observe good workmanship practices.
1.1.5 Numbers in parentheses, ( ) indicate the bubble number (reference number) used
on the Bettis assembly drawing and Actuator Parts List.
1.1.6 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.
1.1.7 When removing seals from seal grooves, use a commercial seal removing tool or a
small screwdriver with sharp corners rounded off.
1.1.8 Use a non-hardening thread sealant on all pipe threads.
! CAUTION
Apply the thread sealant per the manufacturer’s instructions.
1.1.9 Bettis recommends that disassembly of the actuator components should be done
in a clean area on a workbench.

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Introduction2
Section 1: Introduction
Header Font size can
be adjustable from
12 to 10
and 10 to 9
1.2 Denitions
! 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
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
This procedure should not supersede or replace any customer’s plant safety or work
procedures. If a conict 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.

Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0 January 2021
Introduction 3
Section 1: Introduction
1.4 Service Support Items
1.4.1 Bettis module service kits.
1.4.2 Commercial leak testing solution.
1.4.3 Non-hardening thread sealant.
1.5 Lubrication and Fluid Requirements
NOTE:
Lubricants and hydraulic uids other than those listed in steps 1.5.1 and 1.5.2 should not
be used without prior written approval of Bettis Product Engineering.
1.5.1 Lubricants:
All temperature services (-20 °F to +350 °F) / (-29 °C to 176 °C) use Bettis ESL-5
lubricant. ESL-5 lubricant is contained in the Bettis module service kit in tubes or
cans and they are marked ESL-5 and 10 lubricant. For low temperature service
(-40 °F to 150 °F) / (-40 °C to 65.6 °C) use ESL 15 lubricant. ESL 15 lubricant is
contained in low temperature Bettis module service kits in tubes or cans and they
are marked ESL 15 lubricant.
1.5.2 Fluids:
M18 Manual Hydraulic Override System – Standard and high temperature
service (-20 °F to +350 °F) / (-28.9 °C to 176.6 °C) use Shell Tellus T-32 Automatic
Transmission Fluid. Low temperature service (-40 °F to 150 °F) / (-40 °C to 65.6 °C)
use Univis J13 or HVI 13 Hydraulic Fluid.
1.6 General Tool Information
1.6.1 Tools:
All tools/Hexagons are American Standard inch. Large adjustable wrench,
two (2) large screwdrivers, Allen wrench set, set of open/box end wrenches,
rubber or leather mallet, torque wrench (up to 1200 lbf-ft / 1627 Nm), breaker bar,
small drift punch and a drive socket set. For recommended tool and wrench sizes
refer to Section 3, Tables 1 through 8.

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Removal and Installation4
Section 2: Removal and Installation
Section 2: Removal and Installation
2.1 Acculine Drive Shaft Removal
! WARNING
It is possible, that the actuator may contain a dangerous gas and/or liquids. Ensure that
all proper measures have been taken to prevent exposure or release of these types of
contaminants before commencing any work.
! WARNING
If not already removed disconnect all operating pressure from actuator power cylinders.
! WARNING
The spring cartridge must be checked to verify that the spring(s) are in their extended
position before the spring cartridge is removed from the actuator.
2.1.1 Remove the plastic position indicator (1 - 220), unscrew Hex head screws
(1 - 160) and remove the screws (1 - 160) and washers (1 - 170) from actuators.
Refer to Section 3 for screw size.
Figure 1

Installation, Operation and Maintenance Manual
VA-DC-000-1931 Rev. 0 January 2021
Removal and Installation 5
Section 2: Removal and Installation
2.1.2 Remove the yoke cover (1 - 150) from the actuator.
Figure 2
2.1.3 Remove the position indicator assembly (1 - 140) from the actuator.
Figure 3

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Removal and Installation6
Section 2: Removal and Installation
2.1.4 Use proper tools to remove the spring pin (1 - 100) from the actuator.
Figure 4
2.2 New Acculine Drive Shaft Installation
NOTE:
Properly clean the surfaces before installation to ensure better actuator performance.
2.2.1 Insert the new spring pin (1 - 100) into the yoke, spring pin is provided in the
service kit.
Figure 5