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Battery Service SPECIFIC
GRAVITY TEST PROCEDURE (HYDROMETER) 1. Wear suitable eye protection. 2. Remove vent caps or covers from the battery cells. 3. Squeeze the hydrometer bulb and insert the pickup tube into the cell closest to the battery's positive (+) terminal. 4. Slowly release the bulb to draw in only enough electrolyte to cause the float to rise. Do not remove the tube from the cell. 5. Read the specific gravity indicated on the float. Be sure the float is drifting free, not in contact with the sides of top of the barrel. Bend down to read the hydrometer at eye level. Disregard the slight curvature of liquid on the float. 6. Record your readings and repeat the procedure for the remaining cells.
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