2001 Mercury Mariner 50-60HP Factory Service Manual, Page 393Get this manual
MANUAL TILT ASSIST
CAM SHAFT REASSEMBLY IMPORTANT: Cam shaft O-ring must be lubricated using 2-4-C with Teflon1Install lubricated o-ring and back up seal to cam2Install shaft seal in valve block with lips facing out3Install cam shaft assembly in valve block4Secure cam shaft in place using insulator, retainer plate, and screwTighten screw securely