Emerson Bettis G2 Series Disassembly And Reassembly

Service Instructions
127072E Rev. C
Table of Contents
October 2015
ITable of Contents
Table of Contents
Section 1: Introduction
1.1 General Service Information .......................................................................... 1
1.2 Denitions .................................................................................................... 1
1.3 General Safety Information ........................................................................... 2
1.4 Bettis Reference Materials ............................................................................. 2
1.5 Service Support Items ................................................................................... 3
1.6 Lubrication Requirements ............................................................................. 3
1.7 Fluid Requirements ....................................................................................... 3
1.8 General Tool Information .............................................................................. 4
1.9 Actuator Storage ........................................................................................... 4
1.10 Actuator Installation ..................................................................................... 4
1.11 Actuator Start-up .......................................................................................... 4
1.12 Actuator Operation ....................................................................................... 5
Section 2: Actuator Disassembly
2.1 General Disassembly ..................................................................................... 6
2.2 Hydraulic Power Module Disassembly .......................................................... 6
2.3 Drive Module Disassembly ............................................................................ 7
2.4 G01 through G5 M11 Hydraulic Override Cylinder Disassembly ................... 10
2.5 G7 through G10 M11 Hydraulic Override Cylinder Disassembly ................... 10
Section 3: Actuator Reassembly
3.1 General Reassembly .................................................................................... 11
3.2 Drive Module Disassembly .......................................................................... 11
3.3 Hydraulic Power Module Reassembly .......................................................... 16
3.4 G01 through G5 M11 Hydraulic Override Cylinder Reassembly .................... 18
3.5 G7 through G10 M11 Hydraulic Override Cylinder Reassembly .................... 18
3.6 Actuator Testing ......................................................................................... 20
Section 4: Field Conversions
4.1 Fail Mode Reversal (CW to CCW or CCW to CW) .......................................... 21
4.2 Convert Double-Acting Actuator to
Spring-Return with M11 Module ........................................................................... 21
Section 5: Module Removal and Installation
5.1 M11 Override Cylinder Removal .................................................................. 22
5.2 M11 Override Cylinder Installation .............................................................. 23
5.3 Spring Module Removal .............................................................................. 24
5.4 Spring Module Installation .......................................................................... 25
5.5 Hydraulic Power Module Removal .............................................................. 27
5.6 Hydraulic Power Module Installation .......................................................... 28
5.7 G2 through G10 Powr Swivl™ Removal ....................................................... 29
5.8 G2 through G10 Powr Swivl Module Installation .......................................... 29

Emerson Bettis G2 Series Specifications

General

Brand	Emerson
Model	Bettis G2 Series
Category	Controller
Language	English