2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 207Get this manual
c Install bearing in housingLift rear of the vehicle until rear shock absorbers are fully extendedInstall jack stands under frame to support vehicleRemove: rear wheel(s) caliper (RH side only) When housing is cold, apply synthetic grease on bearings then install circlip and new sealInstall the other parts in the reverse order of removal procedureNote that oil seals no19 must be installed with their metal shield facing differential
cotter pin no13
Remove the rear axle from swing armRemove the rear differential protector no1Unscrew all TORX screws no6 and no8 retaining axle housings no2 and no4 to differential
castellated nut no.11 flat washer no12
Using hub puller, pull out hub (with brake disc on RH side)Temporarily, re-assemble the differentialInstall drive shaft in vise then place the differential on the drive shaft end