. MAINTENANCE SERVICE PROCEDURE WHEN IT IS IMPOSSIBLE TO CHECK ELECTROLYTE LEVEL FROM SIDE OF BATTERY or there is no display of the UPPER 4 - 46 If it i s impossible to check the electrolyte leve LEVEL line on the s ide of the battery, check a 1. Open the cover of the battery box. There are two b attery boxes: One on each side at the rear of the mach 2. Remove cap (1) at the top of the battery, lo ok through the wa iller port, and c heck the electrolyte surfac e. If the electrol does not reach the sleeve, add distilled wa ter so that the le eaches the bott om of the sleeve (UPPER LEVEL line) with ail. f distilled water 3.
I distilled water a Use the diagram be low for reference, and che ck if the electroly te reaches t he bottom of the 4. After adding dis tilled water, tighten cap (1 REMARK If water is added to above the bottom tip of the sleeve, use a pip ette to remo ve electrolyte. N eutralize the rem oved electrolyte with sod ium bicarbonate, then flus h it away with a large amount of water. If necessary, contact your Komatsu distributor or your battery maker. WHEN IT IS POSSIBLE TO USE INDICATOR TO CHECK ELECTROLYTE LEV EL If it i s possible to us e an indicator to check the electrolyte level , follow the i nstructions given