Emerson Bettis G Series Manuale utente

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

This page intentionally left blank.

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

Notes

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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

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.

January 2021

Installation, Operation and Maintenance Manual

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Removal and Installation4

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

January 2021

Installation, Operation and Maintenance Manual

VA-DC-000-1931 Rev. 0

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

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