Tail Rotor Driveshaft Hanger

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BHT-212-CR&OACCEPTABLE212-R-65-14UNACCEPTABLE 00000Figure 65-14.Quill roller bearing wear pattern(3) Treat sleeves with corrosion c. Cadmium plated steel parts: TreatOHO-ti1-'2(DOEDdamage within acceptable limits by immersionin a chromic acid bath (BHT-ALL-SPM).c. Perform fluorescent penetrantinspection of sleeve (BHT-ALL-SPM).rework areas with brush cadmium platingsolution (C-108) (BHT-ALL-SPM).,-.11. Replace outer coupling TEMP-PLATES if Inecessary (Paragraph 65-9A).65.9. Repair nicks, scratches, and burrs onpinion splines and teeth by dressing withIndia stone (C-464).065-28. Assembly.-MATERIALS REQUIRED10. Refinish parts, after repair (BHT-ALL-SPM), as outlined below:0)I-((DDa. Aluminum parts: Touch up withEchemical film material (C-100).b. Magnesium parts: Remove all traces ofcorrosion by immersion in chromic acid bath(BHT-ALL-SPM). Touch up parts with chromicacid (C-103) or treat entire part with,-+'-'magnesium alloy chemical film treatment(BHT-ALL-SPM).NUMBERNOMENCLATUREC-010 Lubricating OilC-015 Lubricant (Tube Pack)C-308 AdhesiveC-405 Lockwi re65-00-00Page 38Rev.3
c.BHT-212-CR&0AREA BDIM. CNOTES1. Corrosion pitting or mechanical surface damage in area A, exclusive of area B, is acceptable provided it iswithin the following limits:a. Maximum acceptable depth is 0.030 inch (0.762 mm).b. No more than 40 percent of the area within any one inch square, nor 20 percent of the total area of anysurface or diameter may be pitted.2. Corrosion pitting or mechanical surface damage on the spot faced surface at the attaching holes, area B, isacceptable provided it is within the following limits:-oO OO Oc c c.--l- - -c .. o --- -Maximum acceptable depth is 0.020 inch (0.508b. No more than 20 percent of the total spot faced area at any hole may be pitted.c. No more than 20 percent of the total area normally contacted by the washer may be pitted.3d. No more than 50 percent of the width of the area normally contacted by the washer maybe pitted at anypoint around the hole.o212-R-65-15Figure 65-15.Quill sleeve damage limits65-00-00Page 39
Page 1 and 2: BHT-212-CR&0CHAPTER 65 - TAIL ROTOR
Page 3 and 4: BHT-212-CR&0CONSUMABLE MATERIAL LIS
Page 5 and 6: BHT-212-CR&OTAIL ROTOR DRIVE SYSTEM
Page 7 and 8: BHT-212-CR&OTAIL ROTOR DRIVESHAFT H
Page 9: BHT-212-CR&O,..:+3NOTEIf TEMP-PLATE
Page 12 and 13: BHT-212-CR&0(b-n--1 0-ca0)0ohm^mNOT
Page 14 and 15: BHT-212-CR&O--{-gym2 CAUTIONIN ORDE
Page 16 and 17: mI-:BHT-212-CR&O15INTERNAL SPLINESI
Page 18 and 19: BHT-212-CR&OA Acceptable pattern ty
Page 20 and 21: BHT-212-CR&ON7 U----HANGER-204-040-
Page 22 and 23: BHT-212-CR&0I65-14. Cleaningmm300MA
Page 25 and 26: BHT-212-CR&O1. Output quill2. Nut3.
Page 27: BHT-212-CR&0Required dimensions sha
Page 30 and 31: BHT-212-CR&O.w.212-040-506-1 CASE A
Page 33 and 34: BHT-212-CR&0(3) Grind new blank shi
Page 35 and 36: BHT-212-CR&010. Prepare data plate
Page 37 and 38: cBHT-212-CR&02. Hold outer coupling
Page 39 and 40: BHT-212-CR&0SEAL (13) PARTIALLY SEA
Page 41: BHT-212-CR&0000000)0)0)1a. Inspect
Page 44 and 45: BHT-212-CR&O711140,a11 1e9ITEM NOME
Page 46 and 47: BHT-212-CR&OTOPHEEL TOPHEEL i \ TOE
Page 48 and 49: .-.BHT-212-CR&ONOTES7. Unacceptable
Page 52 and 53: BHT-212-CR&ONUMBERT101307T101333T10
Page 55 and 56: BHT-212-CR&065-29. OUTPUT QUILL.65-
Page 57: 0BHT-212-CR&O5. Perform magnetic pa
Page 60 and 61: BHT-212-CR&0SEAL (13) PARTIALLY SEA
Page 62 and 63: 0BHT-212-CR&010. Inspect sleeves (2
Page 64 and 65: B HT-212-C R &06. Repair inner coup
Page 66 and 67: BHT-212-CR&O-4CAUTIONto 203.37 Nm)
Page 69 and 70: BHT-212-CR&OTAIL ROTOR(90°) GEARBO
Page 71: BHT-212-CR&O4. Remove sealant from
Page 74 and 75: 0BHT-212-CR&O1. Shaft 13. Stud 25.
Page 77 and 78: BHT-212-CR&07. Inspect following pa
Page 79 and 80: *l.l-.BHT-212-CR&011 13MIN.MAXITEM
Page 81 and 82: B HT-212-CR&0ACCEPTABLE WEAR PATTER
Page 83 and 84: BHT-212-CR&015. Repair or replace s
Page 85 and 86: BHT-212-CR&ODIAMETER A(SEAL CONTACT
Page 87 and 88: BHT-212-CR&OSPECIAL TOOLS REQUIRED
Page 89 and 90: BHT-212-CR&Oa. Cap adapter (10, fig
Page 91 and 92: BHT-212-CR&OSEE DETAIL B16INSTALL W
Page 93: BHT-212-CR&O-48. Inspect outer coup
Page 96 and 97: BHT-212-CR&OA Acceptable pattern ty
Page 98 and 99: BHT-212-CR&ON^D--I--DOff'0(DD)j"'ZZ
Page 100 and 101:
BHT-212-CR&0Table 65-1. Magnetic Pa
Page 102 and 103:
BHT-212-CR&0Table 65-1.Magnetic Par
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