2005-2007 Polaris Ranger 500 service manual, Page 325Get this manual
ELECTRICAL Brush InspectionReplacement
Brush Set 7Install the O-Ring over the boltMake sure the O-ring is fully seated2
Using digital multitester, measure the resistance between the cable terminal and the insulated brushThe reading should be .3 ohms or lessMeasure the resistance between the cable terminal and brush housingMake sure the brush is not touching the caseThe reading should be infiniteRemove nut, flat washer, large phenolic washer, two small phenolic washers, and O-Ring from brush terminalInspect the O-Ring and replace if damagedBrush Length
Remove the electrical tape and reinstall the two small phenolic washers, the large phenolic washer, flat washer, and nut
Armature Testing