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 DRIVES A AND B — Continued 0015 00 Table 1. COOLING FAN RIGHT ANGLE DRIVES A AND B WEAR LIMITS Reference Letter Point of Measurement Size and Fit of New Parts Wear Limits A Outside diameter of gearshaft at seal surface 1.1220 to 1.1280 1.1200 B Inside diameter of housing at bearing surface 1.2495 to 1.2505 1.2510 C Outside diameter of bearing 1.2495 to 1.2504 (*)(**) C-B Fit of bearing in housing 0.0009T to 0.0010L D Outside diameter of shaft at bearing surface 0.7496 to 0.7501 (*)(**) E Backlash between gears in plane of rotation 0.0020 to 0.0040 (*)(***) F Outside diameter of shaft 0.8752 to 0.8756 (*)(****) G Inside diameter of gear 0.8746 to 0.8756 (*)(****) G-F Fit of gear on shaft 0.0001T to 0.0010T H Outside diameter of gear hub at bearing surface 1.3781 to 1.3785 (*)(**) I Inside diameter of bearings 1.3775 to 1.3780 (*)(**) I-H Fit of bearings on gear hub 0.0001T to 0.0010T J Inside diameter of housing at bearing surface 2.4409 to 2.4415 (**) 2.4402 K Outside diameter of bearings 2.4404 to 2.4409 (*)(**) K-J Fit of bearings in housing 0.0000 to 0.0011L L Inside diameter of bearings 1.3775 to 1.3780 (*)(**) M Outside diameter of bearings 2.4404 to 2.4409 (*)(**) N Inside diameter of retainer at bearing surfaces 2.4409 to 2.4415 (**) 2.4420 N-M Fit of bearings in retainer 0.0000 to 0.0011L O Outside diameter of gearshaft at bearing surfaces 1.3770 to 1.3775 (*)(**) O-L Fit of bearings on gearshaft 0.0000 to 0.0010L * Must be within new parts dimensions. ** Measure only if there is visual indication of bearing turning. *** Refer to page 0015 00-2. **** Measure only if there are visual signs of wear or damage. END OF TASK 0015 00-20