1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 267Get this manual

1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 267

Battery Devices Battery IsolatorsIfthe engine is equipped with fully regulated charging system and it's supporting two or
step in determining the condition of battery should be visual inspectionLook for conditions such as damage to the case, loose
terminal, evidence of electrolyte seepage, etcThese signs may indicate improper care, installation, or application of the
batteryLook for excessive corrosion on the battery terminals and cablesCheck the battery cables for worn or frayed insulationReplace
cables, if necessaryCheck the electrolyte level in each cellIf electrolyte level is below the plates, it is possible the
battery is permanently damagedAlso look for dirt, oil, or other contaminants floating in the electrolyte2Hydrometer INotel
Disconnect the positive battery cable whenever charging the batteryThis test can only be used when there is sufficient electrolyte
above the battery plates to fill the hydrometer tubeDo not, however, take readings immediately after refilling the cells