2005-2007 Polaris Ranger 500 service manual, Page 322Get this manual
ELECTRICAL Battery Installation
1Clean battery cables and terminals with stiff wire brushCorrosion can be removed using solution of one cup water and one tablespoon baking sodaRinse well with clean water and dry thoroughlyRoute the cables correctlyReinstall battery, attaching positive (+) (red) cable first and then the negative (-) (black) cableCoat terminals and bolt threads with NyogelTM Grease (PN 2871329)Reinstall the holder strap
Load Test CAUTION
To prevent shock or component damage, remove spark plug high tension leads and connect securely to engine ground before proceedingNOTE: This test can only be performed on machines with electric startersThis test cannot be performed with an engine or starting system that is not working properlyA battery may indicate full charge condition in the OCV test and the specific gravity test, but still may not have the storage capacity necessary to properly function in the electrical systemFor this reason, battery capacity or load test should be conducted whenever poor battery performance is encounteredTo perform this test, hook multitester to the battery in the same manner as was done in the OCV testThe reading should be 12.6 volts or greaterEngage the starter and observe the battery voltage while cranking the engineContinue the test for 15 secondsDuring cranking the observed voltage should not drop below 9.5 voltsIf the beginning voltage is 12.6 volts or higher and the cranking voltage drops below 9.5 volts during the test, replace the battery