1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 105Get this manual
5Remove the reservoir a-ring from the cylinder bodyCheck machined surfaces for nicks and scratches
[] 6Using mm hex wrench, remove the plug from the cylinder bodyInspect the a-ring and the filterReplace, if necessary
7Remove the four screws securing motor to pump manifold assembly
[] 8Remove the wire shield from the pump manifoldRemove the motor and inspect the motor a-ring and the a-ring on the cable connector
9Remove and inspect the coupler Remove the filter screen from the pump manifoldCheck the machined surfaces on the manifold for nicks and scratchesThe pump manifold is not serviceableDo not remove the pump or any control valves from the manifoldClean the screen with mild solvent and inspect it for tears, clogging, or other damage10Remove the three Allen head screws securing the pump manifold assembly to cylinder body