2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 236Get this manual
FINAL DRIVE 12-15 Front Final Gear Case
Bearing Preload Adjustment: Check and adjust the bearing preload in the following casesWhen any of the parts listed below are replaced with new onesPinion Gear Collar Shim Tapered Roller Bearings Pinion Gear Bearing Housing [A] Oil Seal Collar When the pinion gear slotted nut [B] is loosened; even if the nut is not removedInstall the pinion gear bearing housing and tighten the pinion gear slotted nut to the specified torque (see Pinion Gear Unit DisassemblyAssembly)Do not install the oil seal and O-rings, and do not lock the washer until the correct bearing preload is obtained
CAUTION