1994 Johnson Evinrude "ER" 60 LV 150, 150C, 175 Service Manual, P/N 500611, Page 28Get this manual
AnodesTesting and Replacement Erosion or disintegration in salt or brackish water indicates the anodes are performing their functionThe anodes should be inspected at intervals and replaced when necessary, or corrosion of the engine will increaseIf any anode has been reduced to 03 its original sizeeroded), it must be replaced!
rv f2I Test for proper installation ofConnect one meter lead toana the anodeCalibrate t=I ohmmeter on high ohms scalepowerhead ground and the other lead to the anodeBe sure the surface of the anode is clean to make good contactThe ohmmeter should show low readingIf not, remove the anode and clean the area where the anode is installedThe mounting screws and the anode itself should also be cleanedInstall and retestINotel Do not paint or coat the anodes or their mounting surfaces
Warning Horn
A warning horn is built into the OMC prewired remote control or is part of the OMC accessory wiring harnessThis feature alerts the operator to several critical operating conditionsDepending on the engine model, the conditions might be: Test Overheatcontinuous tone No Oilcontinuous short pulses Low Oilshort pulse every 40 seconds Fuel Restrictioncontinuous tone at or near full throttle