1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 307Get this manual
& General Safety Warnings Before returning motor to owner, make sure the manual release screw is tightened (turn clockwise) until it stopsThis activates the motor's shock absorption protection and reverse thrust capability Replace any locking fastener (locknut or patch screw) if its locking feature becomes weakDefinite resistance to tightening must be felt when reusing locking fastenerIf replacement is indicated, use only authorized replacement or equivalent When servicing this hydraulic unit, only use the service procedures outlined and the correct parts catalog for this specific unitSome internal components may appear similar to those in other hydraulic units but may have different operating pressures and characteristicsInterchanging these components may have an adverse effect on the unit's operation Under some -full tilt conditions or periods where the engine's gearcase is removed, the trimtilt unit could be out of sequence, not fully supporting the engine's weightEngine might drop unexpectedly to its trimmed-out positionTo avoid personal injury, always support the engine's weight with suitable hoist or the trailering arms during service Be sure the angle adjustment rod is in placeThis will prevent the possibility of loss of boat control should the motor trim "in" too far