1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 301Get this manual
Component Description Relief ValveThis valve controls maximum oil pressure in the system during trim-outltilt-upIt also bleeds oil to the reservoir when the engine is run at speeds over 1500 RPM (approximately) in the partial-tilt positionThis allows the engine to return to the maximum trim-out position
'3l Trim-up
'3l Manual Release Valve
- This device allows manual tilting movement of the engineWhen this screw is loosened, the engine will not move in the trim rangeTilt CylinderThis hydraulic cylinder moves the engine through the tilt range onlyIt also absorbs the shock of hitting an underwater object
Isl Tilt Check ValveThis valve provides one-way oil passage
from the oil pump to the underside of the tilt position while trimming out and tilting up
'3l Filter ValveThis valve supplies oil to the top side of the tilt
cylinder as it retracts when coming off shallow water drive modeThe valve also filters the oil