2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 55Get this manual
PERIODIC MAINTENANCE 2-37 Periodic Maintenance Procedures Bolts, Nuts, and Fasteners
Tightness Inspection
conditionthe tightness of and hereAlso, Check to see that eachthe boltspin isnuts listedand in good check cotter in place