Service Instructions
137463E Rev. D
Table of Contents
August 2015
ITable of Contents
Table of Contents
Section 1: Introduction
1.1 General Service Information ........................................................................... 1
1.2 Denitions ..................................................................................................... 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 General Tool Information ............................................................................... 3
1.8 Actuator Weight ............................................................................................ 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 Spring Cylinder Disassembly ........................................................................... 8
2.3 Housing Disassembly ..................................................................................... 9
Section 3: Actuator Reassembly
3.1 General Reassembly ..................................................................................... 10
3.2 Housing Reassembly .................................................................................... 10
3.3 Spring Cylinder Reassembly .......................................................................... 13
Section 4: Actuator Testing
4.1 Actuator Testing .......................................................................................... 16
4.2 Return to Service .......................................................................................... 17
Section 5: Field Conversions
5.1 Fail Mode Reversal (CW to CCW, or CCW to CW) .......................................... 18
Section 6: Troubleshooting
6.1 Fault Insertion .............................................................................................. 19
6.2 Operational Test ........................................................................................... 20
Section 7: Removal and Decommissioning
7.1 Removal and Decommissioning ................................................................... 21
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