TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
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TM 9-2520-238-34 REPAIR TRANSFER GEARCASES A, B, AND C — Continued 0017 00 3. Check the parts dimensions with chart below to determine replacement. Table 2. TRANSFER GEARCASES A, B, AND C WEAR LIMITS Reference Letter Point of Measurement Size and Fit of New Parts Wear Limits A Outside diameter of shift collar bearing 2.4404 to 2.4409 (*)(***) B Inside diameter of shift collar bearing 1.3774 to 1.3780 (*)(***) C Inside diameter of shift collar at bearing surface 2.4408 to 2.4413 (***) 2.4418 C-A Fit of shift collar bearing in shift collar 0.0009L to 0.0001T 0.0014L D Outside diameter of shaft at shift collar 1.3781 to 1.3785 (*)(***) D-B Fit of shift collar bearing on input shaft 0.0001T to 0.0010T (*) E Outside diameter of input shaft at oil seal surface 1.4850 to 1.4870 1.4830 F Bore diameter of housing at bearing surface (input) 3.3414 to 3.3434 (*)(***) G Bore diameter of housing at bearing surface (first intermediate) 3.5375 to 3.5395 (*)(***) H Outside diameter of input gear hub at bearing surface 2.0010 to 2.0015 (*)(***) I Inside diameter of input bearing cone 2.0000 to 2.0015 (*)(***) I-H Fit of input bearing to input gear 0.0005T to 0.0015T (*) 10 J Inside diameter of first intermediate bearing cone 1.9680 to 1.9685 (*)(***) K Inside diameter of second intermediate bearing cone 1.9680 to 1.9685 (*)(***) L Inside diameter of output bearing cone 2.0000 to 2.0005 (*)(***) M Outside diameter of output gear hub at oil seal surface 1.8730 to 1.8770 (*)(***) N Outside diameter of output gear hub at bearing surface 2.0010 to 2.0015 (*)(***) N-L Fit of output bearing on output gear hub 0.0005T to 0.0015T (*) O Bore diameter of housing at bearing surface (second intermediate) 3.5375 to 3.5395 (*)(***) P Inside diameter of bore in secondary pump-drive gear 0.7487 to 0.7495 (*)(***) Q Inside diameter of bore in primary pump-drive gear 2.0620 to 2.0630 (*)(***) R Outside diameter of second intermediate gear hub (gear pilot) 2.0625 to 2.0635 (*)(***) R-Q Fit of primary pump-drive gear on hub of second intermediate gear 0.0005L to 0.0015T (*) S Outside diameter of first intermediate gear hub at bearing surface 1.9690 to 1.9695 (*)(***) S-J Fit of first intermediate bearing on first intermediate gear hub 0.0005T to 0.0015T (*) T Outside diameter of second intermediate gear hub at fan pulley surface 1.0000 to 1.0010 (*)(***) U Outside diameter of second intermediate gear hub at oil seal surface 1.5000 to 1.5010 1.4980 V Outside diameter of second intermediate gear hub at bearing surface 1.9690 to 1.9695 (*)(***) V-K Fit of second intermediate bearing on gear 0.0005T to 0.0015T (*) 0017 00-27