TM 9-2520-246-34 Figure 5-17. Repair and Replacement Standard Points of Measurement for Input Gear and Related Parts. Table 5-2. Repair and Replacement Standard Points Of Measurement for Input Gear and Related Parts Fig. Ref Point of Measurement Size and Fit Wear Limits No. Letter of New Parts 5-17 A Diameter of shaft 0.7495-0.7500 0.003 5-17 B Thickness of thrust washer 0.061-0.063 See note ¢ 5-17 C Inside diameter of bearing 0.7500 (*) 5-17 A-C Fit of bearing on shaft 0.0000L-.0005L 0.004L 5-17 D Outside diameter of bearing 1.250 (*) 5-17 E Inside diameter of gear 1.250-1.251 0.007 5-17 D-E Fit of bearing in gear 0.000L-.0001L .004L 5-17 F input low gear to output 5-18 L sliding gear (backlash) 0.008L-0.011L 0.0172 5-17 G Input gear to output high-speed 5-18 N gear (backlash) 0.006L-.009L 0.018L 5-17 G Input gear to reverse gear 5-16 C (backlash) 0.006L-.009L .016L 5-17 H Diameter of outer end of shaft 0.7510-.7515 See note # (¢) Replace when bronze facing is partially or entirely worn off. (#) Press fit of case. 5-9