TM 5-4320-302-146-12. ADAPTER HOUSING AND BEARING PLATE ASSEMBLY (CONT)Location/ItemAction Remarks9. AdapterInspect adapter housing for cracks, rust, cor-housing androsion, warpage, or other damage. Inspectmountingfor stripped mounting hardware and ex-hardwarecessively worn mounting holes in adapterhousing.10. Bearing plateInspect for cracks, warpage, excessive wear,assemblyrust, corrosion, or other damage.11. Bearing hous-Measure. Bore should measure 2.7165 toing main2.7173 inches (69.0 to 69.019 mm). Ifbearing borebearing housing main bearing bore is out-side these limits or is worn out of round,replace bearing housing.12. Stop ringInspect for cracks, warpage, excessivewear, rust, corrosion, or other damage.Measure stop ring thickness. It shouldmeasure 0.1176 inch (2.985 mm). If stopring is damaged, rusted, or worn to lessthan specified thickness, replace stopring.13. NozzleInspect for rust, damage, or malfunction.Make sure nozzle has free oil flow. Ifnozzle is damaged or malfunctioning, re-place it.14. Bearing bushInspect for damage or excessive wear.Measure inside diameter. Measurementshould be 2.5216 to 2.5232 inches (64.05to 64.089 mm). If measurement is outsidetolerance limits, replace bearing bush withone of normal or undersized inside diam-eter, or a corresponding nominal or over-sized wall thickness bearing bush listedbelow:6-70
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