b'SPRING RETURN HANDLEI N D E XIntroduction2Safety Information2-31.0 Installation3-81.1Safety precautions3-41.2Components4-61.3Installation and assembly procedure6-71.4Increasing the spring return force7-82.0Maintenance82.1General82.2 Tools83.0Storage9 Copyright Australian Pipeline Valve 1990 - 2019 EditionCatalogues, photos, brochures and technical publications are the exclusive property of Australian Pipeline Valve.Any unauthorised reproduction in total or in part, shall result in prosecution. Products and data sheets in this publication are subject to change at anytime without notice. Australian Pipeline Valve reserves the right to carry out amendments to products and materials.Australian Pipeline Valve - Installation, Operation and Maintenance Manual 1'