2001 Mercury Mariner 50-60HP Factory Service Manual, Page 355Get this manual
POWER TRIM
Shock Rod Installation
1Place trim cylinder in soft jawed vice2Install lubricated o-ring to memory piston and place into cylinderPush memory piston all the way to bottom3Fill cylinder three inches (76.2 mm) from top of cylinder using Quicksilver Power Trim and Steering FluidIf not available, use automotive (ATF) automatic transmission fluid4Install shock rod into cylinder until power trim fluid flows through oil blow off ball passageFill remaining cylinder to just below the cylinder threads