1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 138Get this manual
Power TrimTilt Servicing Removal 13-Cylinder and V4Mark angle adjusting rod location and remove rod2Lift engine manually and engage tilt support3Remove blue and green wires from pump motor connector housing
4Remove spring clip from tilt cylinder pin5Remove tilt cylinder pin with punch and mallet
6Manually retract tilt cylinderRemove three screws, port and starboard, holding the unit to the stern brackets7VBRemove one nut from each thrust rod Remove thrust rods from stern brackets8Remove trimtilt unitPull motor cable through the stern bracket
Disassembly Thoroughly clean unit before disassemblingScrub all outside surfaces with stiff bristle brush and hot soapy waterThis will prevent dirt particles or other foreign matter from entering the unit while you are working on itMount the unit on ONIC Power Trim and Tilt Test Stand, PIN 390008Place the unit and stand in shallow tray to catch the hydraulic oil as it drains from the unitNeutralize the internal pressures of the power trimtilt unit before disassemblingUsing battery, operate the unit until the trim and tilt cylinders are completely downReverse the connections on the battery and momentarily operate the unit