TM 5-3805-262-205-9. BATTERIES AND CABLES MAINTENANCE (CONT) a. B a t t e r i e s ( c o n t ) .(2) Testing.This task covers testing battery no-load voltage, fixed load ca-p a c i t y , a n d s p e c i f i c g r a v i t y .TOOLS: No. 1 Common Organizational Maintenance Tool KitHydrometerThermometerStarting and charging system testerNOTEPRELIMINARY PROCEDURE; Radiator grille unlocked and open.Battery electrolyte is toxic and corrosive . Wear protective goggles andg l o v e s w h e n w o r k i n g w i t h b a t t e r i e s . A v o i d c o n t a c t w i t h s k i n , e y e s ,c l o t h e s , and don’t breathe vapors.VOLTAGE TEST( a)(b)(c)(d)( e )( f )Connect voltmeter leads of starting and charging system tester to ter-minals of one battery as shown.At right instrument panel, turnflood lights on for 15 secondswith engine off. Then turn floodl i g h t s o f f .Wait 3 minutes and record volt-m e t e r i n d i c a t i o n.Disconnect voltmeter leads andconnect to terminals of secondb a t t e r y.Record voltmeter indication anddisconnect voltmeter leads.Compare voltmeter indications with following list. If voltmeter indi-cates at least 12.4 volts (75 percent charge), battery is probablyokay. If voltmeter indicates less than 12.4 volts, perform load test(page 5-143).VoltmeterB a t t e r yI n d i c a t i onCharge( v o l t s)(percent)11.7 or less012.02512.25012.47512.6 or more1005-142
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