TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
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TM 9-2520-238-34 REPAIR COOLING FAN RIGHT ANGLE DRIVE C (M113A3 FOV ONLY) — Continued 0016 00 Table 1. COOLING FAN RIGHT ANGLE DRIVE C WEAR LIMITS Reference Letter Point of Measurement Size and Fit of New Parts Wear Limits A Outside diameter of shouldered shaft at seal surface 1.1220 to 1.1270 1.1200 B Inside diameter of bearing retainer plate 2.1654 to 2.1666 2.1671 C Outside diameter of ball bearing 2.1649 to 2.1654 (*)(**) C-B Fit of ball bearing in bearing retainer plate 0.0000 to 0.0017L D Outside diameter of bearing sleeve 1.1814 to 1.1818 (*)(**) E Inside diameter of ball bearing 1.1807 to 1.1811 (*)(**) E-D Fit of ball bearing on bearing sleeve 0.0003T to 0.0011T F Backlash between gears in plane of rotation 0.0050 to 0.0090 (*)(***) G Outside diameter of tapered roller bearing 2.4409 to 2.4419 (*)(**) H Inside diameter of bearing retainer plate 2.4429 to 2.4439 (*)(**) H-G Fit of tapered roller bearing in retainer plate 0.0010T to 0.0020L I Inside diameter of pinion gear 0.9375 to 0.9380 (*)(****) J Outside diameter of shouldered shaft at gear surface 0.9380 to 0.9385 (*)(****) J-I Fit of pinion gear on shouldered shaft 0.0000 to 0.0010T K Inside diameter of bearing sleeve 0.8760 to 0.8770 (*)(****) L Outside diameter of shouldered shaft at sleeve surface 0.8752 to 0.8756 (*)(****) L-K Fit of bearing sleeve on shouldered shaft 0.0004L to 0.0018L M Outside diameter of shouldered shaft at seal surface 0.8752 to 0.8756 0.8732 N Inside diameter of tapered roller bearing 1.3775 to 1.3780 (*)(**) O Outside diameter of shouldered shaft at bearing surface 1.3785 to 1.3790 (*)(****) O-N Fit of tapered roller bearing on shouldered shaft 0.0005T to 0.0015T P Inside diameter of bevel gear 1.4375 to 1.4380 (*)(****) Q Outside diameter of shouldered shaft at gear surface 1.4380 to 1.4385 (*)(****) Q-P Fit of bevel gear on shouldered shaft 0.0000 to 0.0010T R Outside diameter of tapered roller bearing 2.3612 to 2.3622 (*)(**) S Inside diameter of bearing retainer plate 2.3588 to 2.3598 2.3603 S-R Fit of tapered roller bearing in retainer plate 0.0014T to 0.0034T * Must be within new parts dimensions. ** Measure only if there is visual indication of bearing turning. *** Refer to repair cooling fans right angle drive A and B (WP 0015 00). **** Measure only if there are visual signs of wearing or damage. END OF TASK 0016 00-18