1993 Johnson Evinrude "ET" 40 thru 55 Service Manual, P/N 508283, Page 347Get this manual
101 8Remove the four large motor flange retaining screwsRemove the motor and discard the O-ring9Remove the filter10Remove the drive coupler from the pump assemblyf11l 11 Evenly loosen and remove the three Allen head cap screws that retain the pump assembly to the manifoldRemove the pump assembly r:::-=J
The pump assembly is not serviceableIf the pump assembly needs flushing, do not clean it in solventOnly clean the pump assembly in clear hydraulic fluid12Remove the two pressure port O-rings