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to download CV, PSV, LCV, Agricultural & Plant Catalogue - Yuasa

to download CV, PSV, LCV, Agricultural & Plant Catalogue - Yuasa

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B2. Testing the BatteryB2 Conventional Testing - Battery with removable vent plugsNoteIn a good battery, the specific gravity(sg) reading should be the same in all cells.The expected <strong>to</strong>lerance between all 6 cells is 0.03g/cc (e.g. range 1.26g/cc min, 1.29g/cc max).When charging the battery always follow the instructions supplied with the charger.After charging a flat battery, insufficient charging may lead <strong>to</strong> insufficient acid mixing of the electrolyte above the plates.Using a multimeter, confirm stabilised measured voltage matches the voltage calculated from specific acid gravity measurement(Average sg + 0.84 ) x 6 should be equal <strong>to</strong> measured voltage if the acid is sufficiently mixed.B2Measure Voltage and record acid sg in ALL cellsExample 12.6V1.26, 1.27, 1.26, 1.27, 1.26, 1.27B2.1 Cell ShortCircuitIs there one cell witha low specific gravity?Example Readings1.26 1.15 1.26 1.27 1.26 1.27YESDead CellBattery is defective =>ACCEPT CLAIMReplace under warranty termsand conditionsNOB2.2 ServiceOverchargingIs the acid discoloured (dark brown)and/or there is evidence of excessivewater consumption ?YESDamagecaused byoverchargeREJECT CLAIMTest voltage regula<strong>to</strong>r on vehicle& check applicationNOB2.3/B2.4SulphationYESIs the specific gravityrelatively even but reading1.25g/cc or lessNOCharge the BatteryTake note of charge voltage after 1 hourIs the battery accepting recommendedrecharge current (eg 075 Professional4.0A)?NODamagecaused bydeepdischarge orunderchargingREJECT CLAIMTest voltage regula<strong>to</strong>r on vehicle andalterna<strong>to</strong>r belt tightness.Check applicationBattery TestingContinue Recommended ChargeNO (First Cycle)Is the specific gravitythe same in all cells andabove 1.25g/cc?YESNO (Second Cycle)C High Rate Discharge TestingYUASA - The world's leading battery manufacturer511

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