TM 9-2520-246-34 Figure 3-47. Repair and Replacement Standard Points of Measurement for Input Shaft and Bearing. Table 3-1. Repair and Replacement Standard Points of Measurement for Input Shaft and Bearing Fig. No. 3-47 3-47 3-47 3-47 3-47 3-49 3-47 3-47 3-47 3-47 3-47 Ref Letter A B C A-C D N E F G H J Point of Measurement Inside diameter of bearing Outside diameter of bearing Diameter of bearing journal Fit of bearing on shaft Input shaft to countershaft drive gear (backlash) Inside diameter of bearing bore Diameter of roller bearing Fit of internal gear and fourth-fifth synchronizer Spline width Pilot diameter Size and Fit of New Parts 1.5748-1.5753 3.5427-3.5433 1.5748-1.5752 0.0005L-0.0004T 0.006-0.012 1.7193-1.7198 0.3123-0.3127 0.004-0.009 0.229-0.231 0.7465-0.7475 Wear Limits (*) (*) (*) (*) .016 .0008 .0006 .018 0.015 0.020 3-22