20-142 Tu rning Gear Unit: mm Serial No.
Action Items to be inspected 1 Clearance between worm shaft and sleeve Standard Dimension Tolerance Standard Clearance Clearance Limit Replacement Axle Hole 65 -0.030 -0.076 +0.057 +0.010 0.0440- 0.117 0.5 2 Clearance between worm shaft and sleeve 65 +0.035 +0.035 +0.226 +0.069 0.034- 0.221 0.5 3 Clearance between pinion and shearing pin 30 0 -0.021 +0.080 0 0- 0.101 1.0 4 Clearance between connector and shearing pin 30 0 -0.021 +0.080 0 0- 0.101 1.0 5 Gear clearance between worm and turbine Standard Clearance Standard Limit Change 0.3-0.4 2.0 6 Clearance between pinion and friction plate 0.1-0.5 0.6 Adjust 7 Pinion’s wear Standard Dimension Repairing Limit Replace 25 20 8 Preload of worm shaft bearing 0.03-0.08 Nꞏm Adjust