1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 303Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 303

Modes of Operation UP 1When the UP button is pressed, the pump 2Fluid pressure opens the UP check valve opening the DOWN
DOWN check valveand returns to the pump 5To allow for the volume differential caused by the piston rod, additional fluid
is drawn into the pump from the reservoir 6When the piston is completely extended, the UP relief valve unit from extreme
operating pressures is mechanically opened to protect the 7When the unit is operated in the UP direction or when the engine