Air Flex I (1993-2011) February 12, 2021 14:55 Updated Download the PDF owner's manual by clicking on the attachment. Airflex- pre-2012 mnl.pdf 3 MB Download Related articles Air Flex I (2012-2018) AFT Auto-Flexion 4-Drop air hose layout (1993-2011) HA90C Airdrop & Manual Drop Replacing the unloader valve