2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 177Get this manual
2Zero the dial indicator; then push the ring gear toward the dial indicator and releaseEnd-play should be .004-.008 in3To increase end-play, decrease the shim thicknessTo decrease end-play, increase the shim thicknessNOTE: Once proper backlash and end play are established, the gear case can be assembled (see Assembling Differential Assembly in this sub-section)
2Place the selected (end-play) shim, chamfered side toward the gear, onto the cover side of the ring gear
NOTE: The spider and ring gear assembly must be replaced as complete unit