8.0 Operation And Maintenance Instructions 14-23 8.1 Operation instruction 15 8.2 Maintenance 15-18 8.3 Actuation 18-19 8.4 Trouble shooting guide 19 8.5 Body bleed pressure 19-21 8.6 Emergency stem seal plastic packing injection 22 8.7 Pressure relief valve option 23 9.0 Overview Design Features 24-28 Appendix 1 - Typical Bill of Materials 29 Appendix 2 - Bolting torques 29 Appendix 3 - Label details 30 Appendix 4 - Design features 30 API6D THROUGH CONDUIT EXPANDING GATE VALVE - AP400-405 SERIES Australian Pipeline Valve - Installation, Operation and Maintenance Manual 2