Service Instructions
124842E Rev. C
Table of Contents
October 2015
I
Table of Contents
Table of Contents
Section 1: Introduction
1.1
General Service Information .......................................................................... 1
1.2
Definitions
.................................................................................................... 2
1.3
General Safety Information ........................................................................... 2
1.4
Bettis Reference Materials ............................................................................. 3
1.5
Service Support Items ................................................................................... 3
1.6
Lubrication Requirements ............................................................................. 3
1.7
Fluid Requirements ....................................................................................... 4
1.8
General Tool Information .............................................................................. 4
1.9
Actuator Storage ........................................................................................... 4
1.10
Actuator Installation ..................................................................................... 4
1.11
Actuator Start-up .......................................................................................... 5
1.12
Actuator Operation ....................................................................................... 6
Section 2: Actuator Disassembly
2.1
General Disassembly ..................................................................................... 7
2.2
Hydraulic Power Module Disassembly ........................................................... 7
2.3
-H Hydraulic Override Module Disassembly ................................................... 8
2.4
Drive Module Disassembly ............................................................................ 9
Section 3: Actuator Reassembly
3.1
General Reassembly .................................................................................... 12
3.2
Drive Module Reassembly ........................................................................... 12
3.3
Hydraulic Power Module Reassembly .......................................................... 17
3.4
-H Hydraulic Override Module Reassembly .................................................. 19
3.5
Actuator Testing ......................................................................................... 21
Section 4: Field Conversions
4.1
Converting Double-Acting to Double-Acting with -H Hydraulic
Override Module ......................................................................................... 22
Section 5: Module/Component Removal and Installation
5.1
Spring Module Removal .............................................................................. 23
5.2
Hydraulic Power Module Installation ........................................................... 23
5.3
-H Hydraulic Override Module Removal ....................................................... 24
5.4
-H Hydraulic Override Module Installation ................................................... 25
5.5
G2 Through G10 Powr Swivl Module Removal ............................................. 26
5.6
G2 Through G10 Powr Swivl Module Installation ......................................... 26