1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 302Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 302

Component Description LJ directs fluid CHECK VALVEWhen opened by pump pressure, it to bottom of cylinder to move piston
the UP and DOWN check valvesTogether, they control fluid direction and cylinder movement iAl DOWN RELIEF VALVEOpens at approximately
1600 PSI (11,032 kPa) to protect the unit from extreme operating pressures when the cylinder is completely retracted f4l
EXPANSION RELIEF VALVEProtects the unit from extreme pressures caused by thermal expansion of the fluidIsl UP RELIEF VALVEOpens
mechanically when the cylinder is completely extended to protect the unit from extreme operati ng pressu resIsl IMPACT RELIEF
VALVESOpen under the extreme cylinder pressure generated by an underwater impact and allows the cylinder rod to extend 'sl