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5 Check battery condition, acid level, and acid concentration– The warning notes of the battery manufacturer must be observed.– Check the battery housing for cracks and leaking acid.– Remove oxidation residue at the battery terminals and grease the terminals withacid-free grease.– Unscrew the plugs and check the acid level.The acid level must be at least 10-15 mm above the plates’ top edge.– Check the acid concentration according to the battery manufacturer’s instructionsusing an acid pipette and screw in the plugs again when finished.– If required, recharge the battery.6 Battery discharge indicatorAfter turning the key in the keyswitchclockwise and pulling the EMERGENCYOFF switch, the battery charge indicatorshows the remaining capacity. If theremaining capacity is at 30% the displayflashes. Below 20% capacity the lift cutoffis activated.Once the lift cut-off has been activated,it is only re-enabled at a battery capacityof 40%.1102.GBD 5