Tail Rotor Driveshaft Hanger

BHT-212-CR&O(thick) and having a strong pungent odor,replace outer coupling and inner coupling.701((DDO°' `C'3'OE(0(OnATMNOTEIf TEMP-PLATES are to be replaced,replace TEMP-PLATES aftercompleting entire inspection andrepair procedures and couplingshave been determined serviceableand prior to assembly./Q)/4'-1"p"O.+=3a)05A. Inspect outer coupling (36) temperatureindicator TEMP-PLATES for deterioration,debonding or discoloration of epoxy coatingthat prevents interpretation of indicating dots.If deterioration, debonding, or discoloration ofepoxy is found, replace TEMP-PLATES inaccordance with paragraph 65-9A.6. Overhaul input quill as required(paragraph 65-46)7. Remove nuts (42) and washers (40 and41, figure 65-21). Cut sealant between case(9) and sleeve (38). Remove sealant fromthree jackscrew holes and install threeT101308 jackscrews. Turn jackscrews evenlyto pull quill from case. Carefully removesleeve (38) from shaft to avoid damage toroller bearing (43). Remove packing (37) fromsleeve (38).8. Remove clips (27 and 29). InstallT101563 holding fixture. Remove nut (28)using T101561 wrench. Remove nut (26)using T101305 wrench. Remove holdingfixture.9. Support case (9) in flat areas betweenstuds (13) and press shaft (1) out of case.13. Remove seal (45) from sleeve (38).Remove retaining ring (44). Heat case andremove bearing (43).14. Remove retaining ring (31). Heat caseand remove bearing (30).15. Remove screws (15) and shim plate (17)from case.(J1(OD((DD(s?NOTEDuplex bearings are a matched set.Both bearings have same serialnumber. Keep together as a set.Remove shim plate fluorescentpenetrant inspection of case. Identifyshim plate to ensure installation onsame case from which removed.65-39. Cleaning.NUMBERMATERIALS REQUIREDCDNOMENCLATUREC-105 Corrosion PreventiveC-304 SolventC-427 Barrier MaterialC-436 Paint Remover1. Clean parts with solvent (C-304). Dryparts with clean, lint-free cloths or filtered,compressed air. Do not allow bearings to spinwhen drying.10. Remove bolts (2) and gear (3) fromshaft.11. Support case (9) in flat areas betweenstuds (11) and press duplex bearings (25) outof case using T103263 bearing holding bar.12. Remove shim (18) from case with snapring pliers.65-00-00Page 56Rev.32. Protect cleaned bearings with corrosionpreventive corrosion preventive (C-105) andwrap with barrier material (C-427) or coat withgearbox oil. Do not handle unoiled bearingwith bare hands.-0mLoa';'3. Inspect case (9, figure 65-21) forcorrosion damage to threads. No structuraldamage to threads is acceptable...,