Rear Ripper (Optional) Unit: mm 20-144 Serial No. Items to be inspected Judgment Action 1 Clearance between pin and sleeve Standard Value Tolerance Standard Clearance Clearance Limit Replace Axle Hole 50 -0.025 -0.064 +0.039 0 0.025- 0.103 0.5 2 Gear Tip Wear Standard Clearance Repairing Limit Replace Gear 290 150