2001 Mercury Mariner 50-60HP Factory Service Manual, Page 398Get this manual
MANUAL TILT ASSIST
Shock Rod Installation and Fluid Filling Procedure
NOTE: There are two ways for the filling procedureThe first is the easiest and less time consumingFilling Procedure Option One 1Place trim cylinder in soft jawed vice2With manifold cam lever closed (Up Position), fill cylinder and manifold to top with Quicksilver Power trim and steering fluid, or (ATF) automatic transmission fluidLet bubbles disperse3Install lubricated o-ring to memory piston4Using lock ring pliers (PN 91-822778A3)Set memory piston in top of cylinder then open cam lever (Down Position) and push memory piston down just below cylinder treadsClose cam lever (Up Position)