1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 94Get this manual
7The tests in Step indicate the pump is operating normally and the variable ratios are within specifications8If the pump fails any of these tests, check the pulse limiter fitting before replacing the pump9If you replace pump, be careful when removing or installing the hosesDo not damage the plastic hose fittingsUse ratchet style clamp on the oil supply hoseTorque the screws, pump-to-bracket, to 18-24 inIbs(2-3 Nm)INotel When installing oil supply hose, be sure connections are airtightPoor connections could cause serious powerhead damagePulse Limiter Fitting It;l The pulse limiter fitting for the pump pulse hose has an integral check valveThe check valve is not serviced separately, but must be clean to allow normal pump operation