Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 309Get this manual
Disconnect battery cables at battery before removing power trim wires from solenoids3Disconnect power trim wires at solenoids (BLUE and BLACK)4Remove bolts securing anode plate to bottom of trim assembly and remove anodeaRetaining Nut
6Remove outboard transom mounting bolts, and loosen tilt tube nut until nut is flush with end of tilt tube threadaAnode Plate
5Open filler cap and release any remaining pressure in the system