TM 5-4320-302-146-12. ADAPTER HOUSING AND BEARING PLATE ASSEMBLY (CONT)Location/ItemAction RemarksNORMALNOMINALINSIDE DIAMETER ANDWALL THICKNESS ANDUNDERSIZESOVERSIZESinchesinchesBEARING BUSH(millimeters)(millimeters)Normal inside diameters2.5216 to 2.52320.0974 to 0.0976and(64.05 to 64.089)(2.475 to 2.480)Nominal wall thicknessFirst undersize2.5020 to 2.50350.1073 to 0.1075(63.55 to 63.589)(2.725 to 2.730)Second undersize2.4823 to 2.48380.1171 to 0.1173(63.05 to 63.089)(2.975 to 2.980)Third undersize2.4626 to 2.46410.1270 to 0.1272(62.55 to 62.589)(3.225 to 3.230)15. Shaft sealInspect for rust, damage, warpage, or excessivewear; replace if necessary.REPAIR16. AdapterReplace if cracked, worn, or damaged. Replacehousingunit if minor hairline cracks are present. Do notattempt repairs by welding or brazing. If adapterhousing is nicked or burned on mounting sur-faces, grind smooth or smooth out with P-C-458crocus cloth. Be careful not to remove any morematerial than is absolutely necessary. If adapterhousing is rusted or corroded, remove rust orcorrosion, reclean, treat, and refinish in accord-ance with MIL-T-704. Refinish only exteriorsurfaces.17. Bearinga. Replace if cracked, worn, or damaged. Replacehousingunit if minor hairline cracks are present. Donot attempt repairs by welding or brazing. Ifbearing housing is nicked or burred on mountingsurfaces, grind smooth or smooth out with P-C-458 crocus cloth. Be careful not to remove anymore material than is absolutely necessary. If6-71
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