1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 286Get this manual
5Position slot on end of swivel shaft in line with hole in tilt ram endInsert punch into tilt ram hole to align cross hole in upper swivel shaftTap new cross pin in until flush WARNING
Electrical wires passing through cowl openings must be protected from chafing or being cutFollow the recommended procedures outlined in Section of this ManualFailure to protect wires as described could result in electrical system failure andor injury to occupants of boatTesting Power Trim System With Test Gauge Kit (91-52915A3) IMPORTANT: This test will not locate problems in the trim systemThe test will show if the system is correct after repairIf minimum pressures are not obtainable, the trim system requires additional repairUse Adapter Fitting (22-11243) to connect test gauge to trim system38-24 UNF
a Upper Swivel Shaft (Slot is in line with cross hole) Chamfered End of Hole (Faces away from transom) Retaining Pin Tilt Ram End