Tail Rotor Driveshaft Hanger

BHT-212-CR&0000000)0)0)1a. Inspect for chipped, pitted, cracked, orexcessively worn teeth.b. Check wear patterns (figure 65-13).C. Inspect surface of inner couplingscontacted by seals (14, figure 65-10) forexcessive wear, nicks, and scratches. Ac0001 0-0...O()groove worn by seal is acceptable to afl.000minimum diameter of 1.587 inch (40.3098mm) provided depth does not exceed 0.002inch (0.0508 mm). If groove is smooth, partmay be reworked.6. Inspect following parts by magneticparticle (Code M) or fluorescent penetrant(Code F) (BHT-ALL-SPM), as applicable.Demagnetize parts after magnetic particleinspection.Figure,Index No.NomenclatureCode65-10, 10 Inner coupling M65-10, 11 Outer coupling M65-10,25 Pinion M65-10, 2 Bolt M65-10, 4 Retainer F65-10, 8 PlateF65-10, 15 Nut F65-10, 18 Sleeve F8. Inspect bearing liners for scoring andsecurity of mounting in sleeve (18).15L3--W-0:3:9. Inspect bearings for spalling, scoring,pitting, brinelling, flaking, corrosion on rollingelements, and cracked or broken retainers(figure 65-14).a. Minor nicks, cuts, or scratches areacceptable provided they are too small to befelt with a probe having an end radius of0.030 inch (0.762 mm), and provided totalaffected area does not exceed 10% of contactarea at any point.QC)b. Minor circumferential scoring isacceptable on rollers and races provided itcannot be felt with a probe having an endradius of 0.030 inch (0.762 mm) and providedaffected area does not exceed 10% of contactarea at any point.3'mS1)O.310. Inspect sleeve (18, figure 65-10) forcorrosion damage (figure 65-15).011. Perform fluorescent penetrantinspection of sleeve (BHT-ALL-SPM).12. Inspect shim plate (20, figure 65-10) fordamage and wear.7. Check bearings (17 and 27) for smoothoperation and indications of excessive wear.Inspect bearing races for roughness.65-00-00Rev.4 Page 30A/3013