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BHT-206L-SERIES-IPB
65-99-0018 APR 2011 Rev. 8 Page 1
FOR BEST VALUE, BUY GENUINE BELL PARTS
ECCN EAR99
CONTENTS — ILLUSTRATED PARTS BREAKDOWN
Figure Chapter/Section PageNumber Number Number
CHAPTER 65 — TAIL ROTOR DRIVE SYSTEM
65-1 Drive Installation, Tail Rotor (S/N 45004 Thru Sub,46601 Thru Sub, 51001 Thru Sub) ................................................ 65-99-00 2
65-2 Drive System Installation, Tail Rotor (S/N 52001 Thru Sub).......... 65-99-00 865-3 Gearbox Assembly, Tail Rotor ....................................................... 65-99-00 12
BHT-206L-SERIES-IPB
65-99-00Page 2 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub)(Sheet 1 of 2)
206LS_IPB_65_0001a
STA 192.00STA 201.81STA 230.928 - BS 33.05STA 259.185 - BS 61.29STA 287.428 - BS 89.54STA 315.656 - BS 117.81STA 343.860 - BS 146.09STA 371.875 - BS 174.10
ABCDEFGH
A
B
SEEDETAIL A
C202612
253
2414
13195
5
5
35
63
3
3
3
3
3
30
17 18
9
2
2
21
1
7
1
D
E
F1627
1627
6160
7
1627
1315
1412
111110
9A
1235
1234
3454
1627
1235
1627
G
H
1
1
2
2
3 3 3
33
33
49
44
424653
6
9A10
1121
4847
45 40
4143
32
363738
4
5 6
6
7
747
4849
3935
8
62
23221228
28
29
29
30
31
BHT-206L-SERIES-IPB
65-99-0018 APR 2011 Rev. 8 Page 3
FOR BEST VALUE, BUY GENUINE BELL PARTS
ECCN EAR99
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub)(Sheet 2 of 2)
206LS_IPB_65_0001b
DETAIL A
5251
58
59
56 55
5051
BHT-206L-SERIES-IPB
65-99-00Page 4 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub)
206-040-370-001 DRIVE INSTL, TAIL ROTOR (S/N 45004 THRU 45153, 46601 THRU SUB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
206-040-370-009 DRIVE INSTL, TAIL ROTOR (S/N 45154 THRU SUB, 51001 THRU 51205) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
206-040-370-101 DRIVE INSTL, TAIL ROTOR (S/N 51206 THRU SUB) . . . . . . . . . . . 1 NP1 MS21042L4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 SP2 AN960-416L . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . . 36 NP2 NAS1149F0432P . WASHER (REPLACES AN960-416L). . . . . . . . . . . . . . . . . . . . . . . 36 SP3 206-040-329-003 . WASHER (NOTE 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 SP4 AN174-6A . BOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP5 AN174-7A . BOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 SP6 32721-1 . DISC ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 SP7 206-040-328-003 . ADAPTER, SPLINED (NOTE 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP7 206-040-328-101 . ADAPTER, SPLINED (NOTE 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP8 206-040-325-013 . SHAFT ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP8 206-040-325-017 . SHAFT ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP9 206-040-369-001 . DRIVESHAFT ASSY (PRE TB 206L-02-207) (REPLACED BY
206-040-369-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
9 206-040-369-101 . DRIVESHAFT ASSY (PRE TB 206L-02-207) (REPLACES 206-040-369-001) (REPLACED BY 206-040-383-101) . . . . . . .
1 NP
9 206-040-383-101 . DRIVESHAFT ASSY (POST TB 206L-02-207) (REPLACES 206-040-369-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
9A MS24665-134 . PIN, COTTER (REPLACED BY MS24665-136) . . . . . . . . . . . . . . . 10 P9A MS24665-136 . PIN, COTTER (REPLACES MS24665-134) . . . . . . . . . . . . . . . . . . 10 SP10 AN310-4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP11 AN960PD416 . WASHER (NOTE 3) (REPLACED BY AN960JD416) . . . . . . . . . . . 20 P11 AN960JD416 . WASHER (NOTE 3) (REPLACES AN960PD416) (REPLACED BY
NAS1149D0463J) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 P
11 NAS1149D0463J . WASHER (NOTE 3) (REPLACES AN960JD416) . . . . . . . . . . . . . . 20 SP12 AN960PD616 . WASHER (REPLACED BY AN960JD616) . . . . . . . . . . . . . . . . . . . 20 NP12 AN960JD616 . WASHER, FLAT (REPLACES AN960PD616) (REPLACED BY
NAS1149D0663J) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 NP
12 NAS1149D0663J . WASHER (REPLACES AN960JD616) . . . . . . . . . . . . . . . . . . . . . . 20 SP13 206-040-323-003 . SCREW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP14 206-040-322-001 . BUSHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP15 MS29561-110 . PACKING, PREFORMED (FS 315.656 ONLY) (NOTE 4) (REPLACED
BY M83248/1-110) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 NP
15 M83248/1-110 . PACKING, PREFORMED (FS 315.656 ONLY) (NOTE 4) (REPLACES MS29561-110) (REPLACED BY AS3209-110) . . . . . . . . . . . . . .
2 P
15 AS3209-110 . PACKING, PREFORMED (FS 315.656 ONLY) (NOTE 4) (REPLACES M83248/1-110) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 SP
16 206-040-370-003 . SHAFT ASSY (USBL ON 206-040-370-001) (REPLACED BY 206-040-370-011) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
16 206-040-370-011 . SHAFT ASSY (USBL ON 206-040-370-009 AND -101) (REPLACES 206-040-370-003) (REPLACED BY 206-040-370-109) . . . . . . .
5 P
16 206-040-370-109 . SHAFT ASSY (REPLACES 206-040-370-011) (REPLACED BY 206-040-370-115) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
16 206-040-370-115 . SHAFT ASSY (REPLACES 206-040-370-109) (REPLACED BY 206-040-387-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
16 206-040-387-101 . SHAFT ASSY (REPLACES 206-040-370-115) . . . . . . . . . . . . . . . . 5 SP17 MS21042L4 . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP18 AN960-416L . . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . 1 NP18 NAS1149F0432P . . WASHER (REPLACES AN960-416L). . . . . . . . . . . . . . . . . . . . . . 1 SP19 206-040-368-001 . . PLATE (USBL ON 206-040-370-003 AND -011) (REPLACED BY
206-040-932-001) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
19 206-040-932-001 . . PLATE (REPLACES 206-040-368-001) . . . . . . . . . . . . . . . . . . . . 1 SP
65-99-0018 APR 2011 Rev. 8 Page 5
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
20 206-040-344-005 . . HANGER ASSY, TAIL ROTOR DRIVESHAFT (USBL ON 206-040-370-003) (REPLACED BY 206-040-344-009) . . . . . . .
1 NP
20 206-040-344-009 . . HANGER ASSY, TAIL ROTOR DRIVESHAFT (REPLACES 206-040-344-005) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
(ALTERNATE PART)20 206-040-344-101 . . HANGER ASSY, TAIL ROTOR DRIVESHAFT . . . . . . . . . . . . . . . 1 P21 MS21042L4 . . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP22 206-040-351-001 . . . SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP23 206-040-352-001 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP24 RBA144SA26 . . . BOLT (USBL ON 206-040-344-005 AND -009) (REPLACED BY
RBA144SA-26) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
24 RBA144SA-26 . . . BOLT-CLINCH (USBL ON 206-040-344-005 AND -009) (REPLACES RBA144SA26) . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
24 AN126018 . . . STUD, STANDARD (USBL ON 206-040-344-101) . . . . . . . . . . . 1 SP24 AN126019 . . . STUD, .003 OVERSIZE (USBL ON 206-040-344-101) . . . . . . . . 1 SP24 AN126020 . . . STUD, .006 OVERSIZE (USBL ON 206-040-344-101) . . . . . . . . 1 SP24 AN126021 . . . STUD, .009 OVERSIZE (USBL ON 206-040-344-101) . . . . . . . . 1 NP24 AN126022 . . . STUD, .012 OVERSIZE (USBL ON 206-040-344-101) . . . . . . . . 1 P25 206-040-363-001 . . ADAPTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP26 206-040-339-009 . . BEARING, BALL, SEALED (REPLACED BY 206-040-339-101) . . 1 NP26 206-040-339-101 . . BEARING, BALL, SEALED (REPLACES 206-040-339-009) . . . . . 1 SP
(ALTERNATE PART)26 206-040-339-103 . . BEARING, BALL, SEALED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P27 206-040-365-001 . . SHAFT ASSY (USBL ON 206-040-370-003 AND -011) (REPLACED
BY 206-040-365-117). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 NP
27 206-040-365-117 . . SHAFT ASSY (USBL ON 206-040-370-003 AND -011) (REPLACES 206-040-365-001) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
27 206-040-365-125 . . SHAFT ASSY (USBL ON 206-040-370-109) (REPLACED BY 206-040-385-101) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 P
27 206-040-385-101 . . SHAFT ASSY (REPLACES 206-040-365-125) . . . . . . . . . . . . . . . 5 SP28 AN3-4A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP29 AN960-10L . WASHER (REPLACED BY NAS1149F0332P) . . . . . . . . . . . . . . . . 4 NP29 NAS1149F0332P . WASHER (REPLACES AN960-10L) . . . . . . . . . . . . . . . . . . . . . . . . 4 SP30 120-038-28-7 . SHIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP31 20-032-1 . BRACKET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP32 AN174H6A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP33 AN960-416L . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . . 2 NP33 NAS1149F0432P . WASHER (REPLACES AN960-416L) . . . . . . . . . . . . . . . . . . . . . . . 2 SP34 206-040-370-005 . FAN ASSY (REPLACED BY 206-040-370-013) . . . . . . . . . . . . . . . 1 NP34 206-040-370-013 . FAN ASSY (REPLACES 206-040-370-005) . . . . . . . . . . . . . . . . . . 1 NP34 206-040-370-103 . FAN ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP35 206-040-346-013 . . HANGER ASSY, BEARING, FORWARD, OIL COOLER FAN (USBL
ON 206-040-370-005) (REPLACED BY 206-040-346-021) . . . . 1 NP
35 206-040-346-021 . . HANGER ASSY, BEARING, FORWARD, OIL COOLER FAN (REPLACES 206-040-346-013) . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
(ALTERNATE PART)35 206-040-346-103 . . HANGER ASSY, BEARING, FORWARD, OIL COOLER FAN . . . . 1 NP36 MS21042L4 . . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP37 206-040-351-003 . . . SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP38 206-040-352-001 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP39 RBA144SA27 . . . BOLT (USBL ON 206-040-346-013 AND -021) . . . . . . . . . . . . . . 1 SP39 AN126024 . . . STUD, STANDARD (USBL ON 206-040-346-103) . . . . . . . . . . . 1 P39 AN126025 . . . STUD, .003 OVERSIZE (USBL ON 206-040-346-103) . . . . . . . . 1 SP39 AN126026 . . . STUD, .006 OVERSIZE (USBL ON 206-040-346-103) . . . . . . . . 1 SP40 AN174H10A . . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP41 AN960-416L . . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . 4 NP41 NAS1149F0432P . . WASHER (REPLACES AN960-416L) . . . . . . . . . . . . . . . . . . . . . . 4 SP
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub) (Cont’d)
BHT-206L-SERIES-IPB
65-99-00Page 6 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
42 206-040-345-013 . . HANGER ASSY, BEARING, TAIL ROTOR DRIVE SHAFT (USBL ON 206-040-370-005) (REPLACED BY 206-040-355-003) . . . . . . .
1 NP
42 206-040-355-003 . . HANGER ASSY, BEARING, TAIL ROTOR DRIVE SHAFT (REPLACES 206-040-345-013) . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
(ALTERNATE PART)42 206-040-355-103 . . HANGER ASSY, TAIL ROTOR DRIVESHAFT . . . . . . . . . . . . . . . 1 P43 MS21042L4 . . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP44 206-040-351-003 . . . SPACER (USBL ON 206-040-355-003 AND -103) . . . . . . . . . . . 1 SP44 206-040-351-005 . . . SPACER (USBL ON 206-040-345-013) . . . . . . . . . . . . . . . . . . . 1 SP45 206-040-352-001 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP46 RBA144SA27 . . . BOLT (USBL ON 206-040-345-013, 206-040-355-003) . . . . . . . 1 SP46 AN126024 . . . STUD, STANDARD (USBL ON 206-040-355-103) . . . . . . . . . . . 1 P46 AN126025 . . . STUD, .003 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP46 AN126026 . . . STUD, .006 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP46 AN126027 . . . STUD, .009 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 P46 AN126028 . . . STUD, .012 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP47 MS172242 . . NUT, SPANNER (PRE TB 206L-09-238) (REPLACED BY 90-118-2) 2 NP47 90-118-2 . . NUT, SPANNER (POST TB 206L-09-238) (REPLACES MS172242) 2 SP48 MS172207 . . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP49 206-040-339-009 . . BEARING, BALL, SEALED (REPLACED BY 206-040-339-101) . . 2 NP49 206-040-339-101 . . BEARING, BALL, SEALED (REPLACES 206-040-339-009) . . . . . 2 SP
(ALTERNATE PART)49 206-040-339-103 . . BEARING, BALL, SEALED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 P50 MS21042L4 . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP51 AN960-416L . . WASHER (NOTE 5) (REPLACED BY NAS1149F0432P) . . . . . . . 8 NP51 NAS1149F0432P . . WASHER (NOTE 5) (REPLACES AN960-416L) . . . . . . . . . . . . . . 8 SP52 AN4-5A . . BOLT (NOTE 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP53 206-040-320-015 . . SHAFT (REPLACED BY 206-040-320-103) . . . . . . . . . . . . . . . . . 1 NP53 206-040-320-103 . . SHAFT (REPLACES 206-040-320-015) . . . . . . . . . . . . . . . . . . . . 1 SP54 206-061-432-007 . . BLOWER, SHAFT DRIVE OIL COOLER (USBL ON
206-040-370-005) (REPLACED BY 206-061-432-033, -035 AND -107) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
54 206-061-432-033 . . BLOWER, SHAFT DRIVE OIL COOLER (USBL ON 206-040-370-005) (REPLACES 206-061-432-007) (REPLACED BY 206-061-432-035 AND -107) . . . . . . . . . . . . . . . . . . . . . . .
1 NP
54 206-061-432-035 . . BLOWER, SHAFT DRIVE OIL COOLER (USBL ON 206-040-370-005 AND -013) (REPLACES 206-061-432-007 AND -033) (REPLACED BY 206-061-432-107). . . . . . . . . . . . . . . . .
1 NP
54 206-061-432-107 . . BLOWER, SHAFT DRIVE OIL COOLER (REPLACES 206-061-432-007, -033 AND -035) . . . . . . . . . . . . . . . . . . . . . .
1 SP
55 AN525-10R6 . . . SCREW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP56 206-061-432-013 . . . COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP57 DELETED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NA58 206-061-432-031 . . . IMPELLER, FAN (POST ASB 206L-77-12) (USBL ON
206-061-432-007, -033 AND -035) . . . . . . . . . . . . . . . . . . . . . 1 NP
59 206-061-432-109 . . . IMPELLER, FAN (USBL ON 206-061-432-107) . . . . . . . . . . . . . 1 SP60 MS21042L4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP61 AN960-416 . WASHER (REPLACED BY NAS1149F0463P) . . . . . . . . . . . . . . . . 4 P61 NAS1149F0463P . WASHER (REPLACES AN960-416) . . . . . . . . . . . . . . . . . . . . . . . 4 SP62 206-040-402-003 . GEARBOX ASSY, TAIL ROTOR (SEE FIG. 65-3 FOR BREAKDOWN)
(REPLACED BY 206-040-402-107). . . . . . . . . . . . . . . . . . . . . . 1 NP
(ALTERNATE PART)62 206-040-402-105 . GEARBOX ASSY, TAIL ROTOR (SEE FIG. 65-3 FOR BREAKDOWN) 1 P62 206-040-402-107 . GEARBOX ASSY, TAIL ROTOR (SEE FIG. 65-3 FOR BREAKDOWN)
(REPLACES 206-040-402-003 AND -105) (REPLACED BY 206-040-402-111) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub) (Cont’d)
65-99-0018 APR 2011 Rev. 8 Page 7
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
62 206-040-402-111 . GEARBOX ASSY, TAIL ROTOR (SEE FIG. 65-3 FOR BREAKDOWN) (REPLACES 206-040-402-107) . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
NOTE 1: ONE WASHER 206-040-329-003 CAN BE ADDED ORREMOVED AT STATIONS 259.185, 287.428, 315.656, AND343.869 TO OBTAIN PROPER HANGER TO BRACKETCENTERING. REFER TO THE APPROPRIATEMAINTENANCE MANUAL.
NOTE 2: IF SPLINED ADAPTOR 206-040-328-101 IS INSTALLED,TWO BEVELED WASHERS 206-040-329-003 AREREQUIRED FOR EACH BOLT, ONE UNDER THE BOLTHEAD AND ONE BETWEEN THE SPLINED ADAPTORAND THE DISC ASSEMBLY. IF SPLINED ADAPTOR206-040-328-003 IS INSTALLED, THREE BEVELEDWASHERS 206-040-329-003 ARE REQUIRED FOR EACHBOLT. ONE BEVELED WASHER IS INSTALLED UNDERTHE BOLT HEAD AND TWO BEVELED WASHERS AREINSTALLED BACK TO BACK WITH THE OUTSIDERONDED BEVELED WASHER TOUCHING THE DISCASSEMBLY. REFER TO THE BHT-206L-MM FOR PROPERINSTALLATION.
NOTE 3: ADDITIONAL WASHERS AN960PD416 OR AN960PD416LCAN BE USED IF SCREW GRIP IS TOO LONG OR TOOBTAIN PROPER COTTER PIN ENGAGEMENT.
NOTE 4: EQUIVALENT SIZE PACKING MAY BE SUBSTITUTED.
NOTE 5: IT IS PERMITTED TO USE A MAXIMUM OF SEVENADDITIONAL WASHERS AN960-416 (NAS1149F0463P)OR AN960-416L (NAS1149F0432P) PER BOLT LOCATION.
NOTE 6: IT IS PERMITTED TO USE A MAXIMUM OF TWO BOLTSAN4-6A FOR BALANCING.
AVAIL CODE DEFINITION
P ProcurableNP Non ProcurableSP Normal Stock/Procurable
Please see Chapter 1 for additional information on availabilitycodes as well as general use of the Illustrated PartsBreakdown Manual.
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-1. Drive Installation, Tail Rotor (S/N 45004 Thru Sub, 46601 Thru Sub, 51001 Thru Sub) (Cont’d)
BHT-206L-SERIES-IPB
65-99-00Page 8 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
Figure 65-2. Drive System Installation, Tail Rotor (S/N 52001 Thru Sub)206LS_IPB_65_0002
53
53
53
53
53
65-99-0018 APR 2011 Rev. 8 Page 9
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-2. Drive System Installation, Tail Rotor (S/N 52001 Thru Sub)
206-040-375-101 DRIVE SYSTEM INSTL, TAIL ROTOR (S/N 52001 THRU 52223). . . REF NP206-040-375-105 DRIVE SYSTEM INSTL, TAIL ROTOR (S/N 52224 THRU SUB) . . . . REF NP
1 EWSN26M-5 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SP(ALTERNATE PART)
1 VN408A054 . NUT (USBL ON 206-040-375-101). . . . . . . . . . . . . . . . . . . . . . . . . 8 P2 140-007-20-19-2 . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SP3 214-040-611-003 . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 SP4 20-065-05008 . BOLT (REPLACED BY MS21250-05008) . . . . . . . . . . . . . . . . . . . . 8 NP4 MS21250-05008 . BOLT (REPLACES 20-065-05008) . . . . . . . . . . . . . . . . . . . . . . . . . 8 SP5 406-040-340-101 . DISC PACK, COUPLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP6 406-040-315-111 . SHAFT, FWD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP7 206-040-373-101 . ADAPTER, SPLINED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP8 AN174H6A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP9 AN960-416L . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . . 2 NP9 NAS1149F0432P . WASHER (REPLACES AN960-416L) . . . . . . . . . . . . . . . . . . . . . . . 2 SP
10 20-032-1 . BRACKET, SUPPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP11 AN3-4A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP12 AN960-10L . WASHER (REPLACED BY NAS1149F0332P) . . . . . . . . . . . . . . . . 4 NP12 NAS1149F0332P . WASHER (REPLACES AN960-10L) . . . . . . . . . . . . . . . . . . . . . . . . 4 SP13 120-038-28-7 . SHIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP14 AN174H10A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP15 AN960-416L . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . . 4 NP15 NAS1149F0432P . WASHER (REPLACES AN960-416L) . . . . . . . . . . . . . . . . . . . . . . . 4 SP16 MS21042L4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 SP17 AN960-416 . WASHER (REPLACED BY NAS1149F0463P) . . . . . . . . . . . . . . . . 28 P17 NAS1149F0463P . WASHER (REPLACES AN960-416) . . . . . . . . . . . . . . . . . . . . . . . . 28 SP18 206-040-329-003 . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 SP19 AN174-7A . BOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 SP20 32721-1 . DISC ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP21 206-040-328-101 . ADAPTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP22 206-040-370-105 . FAN ASSY (S/N 52001 THRU 52206) (REPLACED BY
206-040-370-113) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
22 206-040-370-113 . FAN ASSY (S/N 52207 THRU SUB) (REPLACES 206-040-370-105) 1 NP23 MS172242 . . NUT, SPANNER (PRE TB 206-09-238) (REPLACED BY 90-118-2) 2 NP23 90-118-2 . . NUT, SPANNER (POST TB 206-09-238) (REPLACES MS172242) 2 SP24 MS172207 . . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP25 206-040-339-009 . . BEARING, BALL, SEALED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 NP25 206-040-339-101 . . BEARING, BALL, SEALED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP
(ALTERNATE PART)25 206-040-339-103 . . BEARING, BALL, SEALED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 P26 206-040-346-021 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
(ALTERNATE PART)26 206-040-346-103 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP27 MS21042L4 . . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP28 206-040-352-001 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP29 206-040-351-003 . . . SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP30 RBA144SA-27 . . . CLINCH BOLT (USBL ON 206-040-346-021) . . . . . . . . . . . . . . . 1 NP
30A AN126024 . . . STUD, STANDARD (USBL ON 206-040-346-103) . . . . . . . . . . . 1 P30A AN126025 . . . STUD, .003 OVERSIZE (USBL ON 206-040-346-103) . . . . . . . . 1 SP30A AN126026 . . . STUD, .006 OVERSIZE (USBL ON 206-040-346-103) . . . . . . . . 1 SP31 206-040-355-003 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
(ALTERNATE PART)31 206-040-355-103 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P32 MS21042L4 . . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP33 206-040-352-001 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP34 206-040-351-003 . . . SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP35 RBA144SA-27 . . . CLINCH BOLT (USBL ON 206-040-355-003) . . . . . . . . . . . . . . . 1 NP
BHT-206L-SERIES-IPB
65-99-00Page 10 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
36 AN126024 . . . STUD, STANDARD (USBL ON 206-040-355-103) . . . . . . . . . . . 1 P36 AN126025 . . . STUD, .003 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP36 AN126026 . . . STUD, .006 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP36 AN126027 . . . STUD, .009 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 P36 AN126028 . . . STUD, .012 OVERSIZE (USBL ON 206-040-355-103) . . . . . . . . 1 SP37 MS21042L4 . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP38 AN960-416L . . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . 8 NP38 NAS1149F0432P . . WASHER (REPLACES AN960-416L). . . . . . . . . . . . . . . . . . . . . . 8 SP39 AN4-5A . . BOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP40 206-061-432-107 . . BLOWER, ROTARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP41 206-061-432-029 . . . HOUSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP42 AN525-10R6 . . . SCREW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP43 206-061-432-013 . . . COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP44 206-061-432-109 . . . IMPELLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP45 206-040-320-103 . . SHAFT, FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP46 206-040-369-001 . DRIVESHAFT ASSY, BONDED, SEGMENTED, 1.25" (PRE TB
206L-02-207) (S/N 52001 THRU 52108) (REPLACED BY 206-040-369-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
46 206-040-369-101 . DRIVESHAFT ASSY, BONDED, SEGMENTED, 1.25" (PRE TB 206L-02-207) (S/N 52109 THRU 52223) (REPLACES 206-040-369-001) (REPLACED BY 206-040-383-101) . . . . . . .
1 NP
46 206-040-383-101 . DRIVESHAFT ASSY, RIVETED, SEGMENTED (POST TB 206L-02-207) (S/N 52224 THRU SUB) (REPLACES 206-040-369-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
46A 120-179-19A . . CORK, STOPPER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP(ALTERNATE PART)
46A 120-179-18B . . CORK, STOPPER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 P46B MS24665-153 . PIN, COTTER (REPLACED BY MS24665-155) . . . . . . . . . . . . . . . 10 P46B MS24665-155 . PIN, COTTER (REPLACES MS24665-153) . . . . . . . . . . . . . . . . . . 10 SP47 AN310-4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP48 AN960JD416 . WASHER (REPLACED BY NAS1149D0463J) . . . . . . . . . . . . . . . . 20 P48 NAS1149D0463J . WASHER (REPLACES AN960JD416) . . . . . . . . . . . . . . . . . . . . . . 20 SP49 AN960JD616 . WASHER, FLAT (REPLACED BY NAS1149D0663J) . . . . . . . . . . . 20 NP49 NAS1149D0663J . WASHER (REPLACES AN960JD616) . . . . . . . . . . . . . . . . . . . . . . 20 SP50 M83248/1-110 . PACKING, PREFORMED (REPLACED BY AS3209-110) . . . . . . . . 2 P50 AS3209-110 . PACKING, PREFORMED (REPLACES M83248/1-110) . . . . . . . . . 2 SP51 206-040-323-003 . SCREW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP52 206-040-322-001 . BUSHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP53 206-040-370-107 . SHAFT ASSY, BONDED, SEGMENTED, 1.25" (S/N 52001 THRU
52108) (REPLACED BY 206-040-370-109) . . . . . . . . . . . . . . . . 5 NP
53 206-040-370-109 . SHAFT ASSY, BONDED, SEGMENTED, 1.25" (S/N 52109 THRU 52206) (REPLACES 206-040-370-107) (REPLACED BY 206-040-370-115) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
53 206-040-370-115 . SHAFT ASSY, BONDED, SEGMENTED, 1.25" (S/N 52207 THRU 52223) (REPLACES 206-040-370-109) (REPLACED BY 206-040-387-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 NP
53 206-040-387-101 . SHAFT ASSY, RIVETED, SEGMENTED (S/N 52224 THRU SUB) (REPLACES 206-040-370-115) . . . . . . . . . . . . . . . . . . . . . . . .
5 SP
54 MS21042L4 . . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP55 AN960-416L . . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP56 206-040-932-001 . . PLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP57 206-040-363-001 . . ADAPTER, COUPLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP58 206-040-339-009 . . BEARING, BALL, SEALED (USBL ON 206-040-370-107 AND -109)
(REPLACED BY 206-040-339-101) . . . . . . . . . . . . . . . . . . . . . 1 NP
58 206-040-339-101 . . BEARING, BALL, SEALED (USBL ON 206-040-370-115, 206-040-387-101) (REPLACES 206-040-339-009) . . . . . . . . . .
1 SP
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-2. Drive System Installation, Tail Rotor (S/N 52001 Thru Sub) (Cont’d)
65-99-0018 APR 2011 Rev. 8 Page 11
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
(ALTERNATE PART)58 206-040-339-103 . . BEARING, BALL, SEALED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P59 206-040-344-009 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
(ALTERNATE PART)59 206-040-344-101 . . HANGER ASSY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P60 206-040-365-117 . . SHAFT ASSY (PRE TB 206L-02-207) (USBL ON 206-040-370-107) 1 NP60 206-040-365-125 . . SHAFT ASSY (PRE TB 206L-02-207) (USBL ON 206-040-370-109
AND -115) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P
60 206-040-385-101 . . SHAFT ASSY (POST TB 206L-02-207) (USBL ON 206-040-387-101) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
61 AN125964 . . . STUD, STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P61 AN125965 . . . STUD, .003 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP61 AN125966 . . . STUD, .006 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP61 AN125967 . . . STUD, .009 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P61 AN125968 . . . STUD, .012 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP62 120-179-19A . . . CORK, STOPPER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
(ALTERNATE PART)62 120-179-18B . . . CORK, STOPPER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P63 MS21042L4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP64 AN960-416 . WASHER (REPLACED BY NAS1149F0463P) . . . . . . . . . . . . . . . . 4 P64 NAS1149F0463P . WASHER (REPLACES AN960-416) . . . . . . . . . . . . . . . . . . . . . . . . 4 SP65 206-040-402-101 . GEARBOX ASSY, TAIL ROTOR (S/N 52001 THRU 52180, 52182)
(SEE FIG. 65-3 FOR BREAKDOWN) (REPLACED BY 206-040-402-107) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
65 206-040-402-107 . GEARBOX ASSY, TAIL ROTOR (S/N 52181, 52183 THRU 52275) (SEE FIG. 65-3 FOR BREAKDOWN) (REPLACES 206-040-402-101) (REPLACED BY 206-040-402-111) . . . . . . . .
1 NP
65 206-040-402-111 . GEARBOX ASSY, TAIL ROTOR (S/N 52276 THRU SUB) (SEE FIG. 65-3 FOR BREAKDOWN) (REPLACES 206-040-402-107) . . . .
1 SP
AVAIL CODE DEFINITION
P ProcurableNP Non ProcurableSP Normal Stock/Procurable
Please see Chapter 1 for additional information on availabilitycodes as well as general use of the Illustrated PartsBreakdown Manual.
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-2. Drive System Installation, Tail Rotor (S/N 52001 Thru Sub) (Cont’d)
BHT-206L-SERIES-IPB
65-99-00Page 12 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
Figure 65-3. Gearbox Assembly, Tail Rotor206LS_IPB_65_0003
61
1455 54
3943
38
56
47
49
46
48
4542414058
60 58
58
59
5963
62
1011
10
78
9
6
2223
21
18171615
20
19
18A
26
5959
24 25
5957
59
3334
35
36
32
2828A
31
30
29
53
5152
50
5
4
3
21
27
12
3744
13A
13
65-99-0018 APR 2011 Rev. 8 Page 13
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-3. Gearbox Assembly, Tail Rotor
206-040-402-003 GEARBOX ASSY, TAIL ROTOR (S/N 45004 THRU SUB, 46601 THRU SUB, 51001 THRU SUB) (SEE FIG. 65-1 FOR NHA) . . . . . . . . . .
REF NP
(ALTERNATE PART)206-040-402-105 GEARBOX ASSY, TAIL ROTOR (S/N 45004 THRU SUB, 46601 THRU
SUB, 51001 THRU SUB) (SEE FIG. 65-1 FOR NHA) . . . . . . . . . . REF P
206-040-402-101 GEARBOX ASSY, TAIL ROTOR (S/N 52001 THRU 52180, 52182) (SEE FIG. 65-2 FOR NHA) (REPLACED BY 206-040-402-107) . .
REF NP
206-040-402-107 GEARBOX ASSY, TAIL ROTOR (S/N 52181, 52183 THRU 52275) (SEE FIG. 65-1, 65-2 FOR NHA) (REPLACES 206-040-402-101) (REPLACED BY 206-040-402-111) . . . . . . . . . . . . . . . . . . . . . . .
REF NP
206-040-402-111 GEARBOX ASSY, TAIL ROTOR (S/N 52276 THRU SUB) (SEE FIG. 65-1, 65-2 FOR NHA) (REPLACES 206-040-402-107) . . . . . . . . .
REF SP
1 NAS1443-7P . WASHER, LOCK TAB (REPLACED BY NAS1443-S7P) . . . . . . . . . 1 NP1 NAS1443-S7P . WASHER, LOCK TAB (REPLACES NAS1443-7P) . . . . . . . . . . . . . 1 SP2 NAS1493-7 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP3 410136H19 . SEAL (USBL ON 206-040-402-003) . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
(ALTERNATE PART)3 525894 . SEAL (USBL ON 206-040-402-003) (REPLACED BY 545166) . . . . 1 NP3 545166 . SEAL (USBL ON 206-040-402-003) (REPLACES 525894)
(REPLACED BY 2890-51468) . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
3 2890-51468 . SEAL (REPLACES 545166) (REPLACED BY 206-340-103-101) . . 1 NP3 206-340-103-101 . SEAL (USBL ON 206-040-402-101 AND -107) (REPLACES
2890-51468) (REPLACED BY 206-340-206-101) . . . . . . . . . . . 1 SP
3 206-340-206-101 . SEAL (USBL ON 206-040-402-111) (REPLACES 206-340-103-101) 1 SP4 206-040-414-001 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP5 MS29561-230 . PACKING, PREFORMED (REPLACED BY M83248/1-230). . . . . . . 1 NP5 M83248/1-230 . PACKING, PREFORMED (REPLACES MS29561-230) (REPLACED
BY AS3209-230). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
5 AS3209-230 . PACKING, PREFORMED (REPLACES M83248/1-230) . . . . . . . . . 1 SP6 206-040-420-001 . SPACER (USBL ON 206-040-402-003, -101, -105 AND -107)
(REPLACED BY 206-040-420-101) . . . . . . . . . . . . . . . . . . . . . . 1 NP
6 206-040-420-101 . SPACER (USBL ON 206-040-402-111) (REPLACES 206-040-420-001) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
7 206-040-438-001 . BEARING (USBL ON 206-040-402-003 AND -105) . . . . . . . . . . . . 1 NP(ALTERNATE PART)
7 206-040-438-101 . BEARING (USBL ON 206-040-402-101, -107 AND -111) . . . . . . . . 1 SP8 MS29561-213 . PACKING, PREFORMED (REPLACED BY M83248/1-213). . . . . . . 1 NP8 M83248/1-213 . PACKING, PREFORMED (REPLACES MS29561-213) (REPLACED
BY AS3209-213). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P
8 AS3209-213 . PACKING, PREFORMED (REPLACES M83248/1-213) . . . . . . . . . 1 SP9 206-040-440-001 . GEAR, PINION (USBL ON 206-040-402-003 AND -105) (REPLACED
BY 206-040-440-103) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
9 206-040-440-103 . GEAR, PINION (USBL ON 206-040-402-101, -107 AND -111) (REPLACES 206-040-440-001) . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
10 RR118BX . RETAINER (REPLACED BY RR-118-BX) . . . . . . . . . . . . . . . . . . . . 2 NP10 RR-118-BX . RETAINER (REPLACES RR118BX) . . . . . . . . . . . . . . . . . . . . . . . . 2 SP11 206-040-409-001 . BEARING (NOTE 1, 2) (USBL ON 206-040-402-003 AND -105) . . . 1 SP11 206-340-400-101 . BEARING (NOTE 1, 2) (USBL ON 206-040-402-101, -107 AND -111) 1 SP12 206-040-415-001 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP13 MS24665-227 . PIN, COTTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
13A 206-040-421-001 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP14 206-040-410-003 . BEARING (USBL ON 206-040-402-003 AND -105) . . . . . . . . . . . . 1 NP
(ALTERNATE PART)14 206-040-410-005 . BEARING (USBL ON 206-040-402-101 AND -107) (REPLACED BY
206-040-410-101) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
14 206-040-410-101 . BEARING (USBL ON 206-040-402-111) (REPLACES 206-040-410-005) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
BHT-206L-SERIES-IPB
65-99-00Page 14 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
15 MS21042L4 . NUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SP16 AN960-416L . WASHER (REPLACED BY NAS1149F0432P) . . . . . . . . . . . . . . . . 3 NP16 NAS1149F0432P . WASHER (REPLACES AN960-416L). . . . . . . . . . . . . . . . . . . . . . . 3 SP17 NAS1197-416 . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SP18 206-040-437-001 . CAP ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
(ALTERNATE PART)18 206-040-935-001 . CAP ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
18A 120-151-4-4 . SET SCREW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP19 410082-HAE . SEAL (USBL ON 206-040-402-003). . . . . . . . . . . . . . . . . . . . . . . . 1 NP
(ALTERNATE PART)19 2810-51832 . SEAL (REPLACED BY 2890-51832) . . . . . . . . . . . . . . . . . . . . . . . 1 NP19 2890-51832 . SEAL (REPLACES 2810-51832) (REPLACED BY 406-340-105-101) 1 P19 406-340-105-101 . SEAL (USBL ON 206-040-402-101, -107 AND -111) (REPLACED BY
2890-51832). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
20 J1105 . SLEEVE (USBL ON 206-040-402-003, -101, -105 AND -107) (REPLACED BY 536827) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
(ALTERNATE PART)20 29800-8054 . SLEEVE (REPLACED BY 536827) . . . . . . . . . . . . . . . . . . . . . . . . 1 NP20 536827 . SLEEVE (REPLACES 29800-8054) (REPLACED BY
206-340-401-101). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
20 206-340-401-101 . SLEEVE (USBL ON 206-040-402-111) (REPLACES 536827) . . . . . 1 SP21 MS29561-244 . PACKING, PREFORMED (REPLACED BY M83248/1-244) . . . . . . 1 NP21 M83248/1-244 . PACKING, PREFORMED (REPLACES MS29561-244) (REPLACED
BY AS3209-244) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P
21 AS3209-244 . PACKING, PREFORMED (REPLACES M83248/1-244) . . . . . . . . . 1 SP22 RR267 . RETAINER (REPLACED BY M27426-3164A) . . . . . . . . . . . . . . . . 1 NP22 M27426-3164A . RING (REPLACES RR267) (REPLACED BY M27426-3164D) . . . . 1 NP22 M27426-3164D . RING (REPLACES M27426-3164A) (REPLACED BY
M2742630164D). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P
22 M2742630164D . RETAINER (REPLACES M27426-3164D) . . . . . . . . . . . . . . . . . . . 1 SP23 206-040-205-003 . BEARING (USBL ON 206-040-402-003 AND -105) (REPLACED BY
206-040-205-005). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
23 206-040-205-005 . BEARING (USBL ON 206-040-402-003 AND -105) (REPLACES 206-040-205-003). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
23 206-040-205-105 . BEARING (USBL ON 206-040-402-101, -107 AND -111) . . . . . . . . 1 SP24 NAS1304-2H . BOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 P
(ALTERNATE PART)24 20-057-4-2H . BOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SP25 206-040-441-001 . GEAR (USBL ON 206-040-402-003 AND -105) (REPLACED BY
206-040-441-103). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
25 206-040-441-103 . GEAR (USBL ON 206-040-402-101, -107 AND -111) (REPLACES 206-040-441-001). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
26 206-040-439-001 . SHAFT, OUTPUT 90DEG (PRE 206-SI-2054) . . . . . . . . . . . . . . . . 1 SP26 206-040-949-101 . SHAFT, OUTPUT 90DEG (POST 206-SI-2054) (NOTE 3) . . . . . . . 1 SP27 AN416-2 . PIN (REPLACED BY AA55488-2) . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP27 AA55488-2 . PIN (REPLACES AN416-2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP28 204-040-502-009 . . CAP ASSY (USBL ON 206-040-402-003, -101, -105 AND -107)
(REPLACED BY 412-040-318-101) . . . . . . . . . . . . . . . . . . . . . 1 SP
28A 204-040-503-003 . . . CAP (REPLACES 204-040-505-005) . . . . . . . . . . . . . . . . . . . . . 1 SP29 NAS1455A00-4 . . . CHAIN (REPLACED BY NAS1455A00-(*)) . . . . . . . . . . . . . . . . . 1 SP29 NAS1455A00-(*) . . . CHAIN (REPLACES NAS1455A00-4) . . . . . . . . . . . . . . . . . . . . 1 SP30 204-040-502-005 . . . PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP31 MS16624-5018-1 . . . RETAINER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP32 204-040-502-003 . . . SPRING ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP33 MS16625-1056 . . . RETAINER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP34 204-040-509-001 . . . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP35 204-040-505-005 . . . PLUG (REPLACED BY 204-040-502-009) . . . . . . . . . . . . . . . . . 1 NP
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-3. Gearbox Assembly, Tail Rotor (Cont’d)
65-99-0018 APR 2011 Rev. 8 Page 15
FOR BEST VALUE, BUY GENUINE BELL PARTS
BHT-206L-SERIES-IPB
ECCN EAR99
(ALTERNATE PART)35 204-040-502-009 . . . CAP ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP36 MS29561-210 . . . PACKING, PREFORMED (REPLACED BY M83248/1-210). . . . . 1 NP36 M83248/1-210 . . . PACKING, PREFORMED (REPLACES MS29561-210)
(REPLACED BY AS3209-210) . . . . . . . . . . . . . . . . . . . . . . . . 1 P
36 AS3209-210 . . . PACKING, PREFORMED (REPLACES M83248/1-210) . . . . . . . 1 SP37 412-040-318-101 . . CAP ASSY (REPLACES 204-040-502-009) . . . . . . . . . . . . . . . . . 1 SP38 NAS1455A00-4 . . . CHAIN (REPLACED BY NAS1455A00-(*)) . . . . . . . . . . . . . . . . . 1 SP38 NAS1455A00-(*) . . . CHAIN (REPLACES NAS1455A00-4) . . . . . . . . . . . . . . . . . . . . 1 SP39 M27426-1100B . . . RING, RETAINING (REPLACED BY M2742610100B) . . . . . . . . 1 NP39 M2742610100B . . . RING, RETAINING (REPLACES M27426-1100B) . . . . . . . . . . . . 1 SP40 MS16625-1056 . . . RETAINER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP41 WD3022-2 . . . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP42 WD3022-1 . . . FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P43 MS24693C269 . . . SCREW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP44 412-040-319-101 . . . CAP ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP45 M83248/1-209 . . . PACKING, PREFORMED (REPLACED BY AS3209-209) . . . . . . 1 P45 AS3209-209 . . . PACKING, PREFORMED (REPLACES M83248/1-209) . . . . . . . 1 SP46 M83248/1-020 . . . PACKING, PREFORMED (REPLACED BY AS3209-020) . . . . . . 1 NP46 AS3209-020 . . . PACKING, PREFORMED (REPLACES M83248/1-020) . . . . . . . 1 SP47 MS24585C437 . . . SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P48 412-040-320-101 . . . PLUG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP49 412-040-321-101 . . . SLIDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P50 RRT-150C . RETAINER (REPLACED BY RRT-150-C) . . . . . . . . . . . . . . . . . . . . 1 P50 RRT-150-C . RETAINER (REPLACES RRT-150C) . . . . . . . . . . . . . . . . . . . . . . . 1 SP51 204-040-514-001 . GLASS, SIGHT, OIL LEVEL (USBL ON 206-040-402-003, -101, -105
AND -107) (REPLACED BY 412-340-416-101) . . . . . . . . . . . . . 1 NP
51 412-340-416-101 . GLASS, SIGHT, OIL LEVEL (USBL ON 206-040-402-111) (REPLACES 204-040-514-001) . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
52 MS29561-218 . PACKING, PREFORMED (REPLACED BY M83248/1-218). . . . . . . 1 NP52 M83248/1-218 . PACKING, PREFORMED (REPLACES MS29561-218) (REPLACED
BY AS3209-218). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
52 AS3209-218 . PACKING, PREFORMED (REPLACES M83248/1-218) . . . . . . . . . 1 SP53 204-040-508-011 . INDICATOR (USBL ON 206-040-402-003 AND -101) . . . . . . . . . . . 1 SP53 204-040-508-101 . INDICATOR (USBL ON 206-040-402-105, -107 AND -111) . . . . . . . 1 SP54 B3225C . CHIP DETECTOR (REF. DES. 1E4) . . . . . . . . . . . . . . . . . . . . . . . . 1 SP55 M83248-1-011 . . PACKING, PREFORMED (REPLACED BY M83248/1-011) . . . . . . 1 NP55 M83248/1-011 . . PACKING, PREFORMED (REPLACES M83248-1-011) (REPLACED
BY AS3209-011) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 NP
55 AS3209-011 . . PACKING, PREFORMED (REPLACES M83248/1-011). . . . . . . . . 1 SP56 NAS617-6 . PACKING, PREFORMED (REPLACED BY M83248/1-906). . . . . . . 1 NP56 M83248/1-906 . PACKING, PREFORMED (REPLACES NAS617-6) (REPLACED BY
AS3208-06) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P
56 AS3208-06 . PACKING, PREFORMED (REPLACES M83248/1-906) . . . . . . . . . 1 SP57 206-040-425-017 . CASE ASSY, TAILROTOR GEARBOX (NOTE 1) (USBL ON
206-040-402-003) (REPLACED BY 206-040-425-101) . . . . . . . 1 NP
57 206-040-425-101 . CASE ASSY, TAILROTOR GEARBOX (REPLACES 206-040-425-017) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
57 206-040-425-111 . CASE ASSY, TAILROTOR GEARBOX (USBL ON 206-040-402-101) 1 NP57 206-040-425-127 . CASE ASSY, TAILROTOR GEARBOX (NOTE 2) (USBL ON
206-040-402-105) (REPLACED BY 206-040-425-131) . . . . . . . 1 NP
57 206-040-425-131 . CASE ASSY, TAILROTOR GEARBOX (REPLACES 206-040-425-127) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 NP
57 206-040-425-135 . CASE ASSY, TAILROTOR GEARBOX (USBL ON 206-040-402-107 AND -111). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 SP
58 AN126012 . . STUD, STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SP58 AN126013 . . STUD, .003 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SP58 AN126014 . . STUD, .006 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 P
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-3. Gearbox Assembly, Tail Rotor (Cont’d)
BHT-206L-SERIES-IPB
65-99-00Page 16 Rev. 8 18 APR 2011
BUY BELL PARTS, BUY BELL VALUEECCN EAR99
58 AN126015 . . STUD, .009 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SP58 AN126016 . . STUD, .012 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 P59 AN126000 . . STUD, STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP59 AN126001 . . STUD, .003 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP59 AN126002 . . STUD, .006 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP59 AN126003 . . STUD, .009 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP59 AN126004 . . STUD, .012 OVERSIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SP60 204-040-506-003 . . ADAPTER (USBL ON 206-040-425-017) (REPLACED BY
204-040-506-103) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP
60 204-040-506-103 . . ADAPTER (REPLACES 204-040-506-003) . . . . . . . . . . . . . . . . . 1 SP61 206-040-425-007 . . SHIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P62 206-040-425-005 . . SHIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP63 NAS607-4-7P . . PIN (REPLACED BY 100-238P4-7) . . . . . . . . . . . . . . . . . . . . . . . 2 NP63 100-238P4-7 . . PIN (REPLACES NAS607-4-7P) . . . . . . . . . . . . . . . . . . . . . . . . . 2 SP
NOTE 1: AT INITIAL REPLACEMENT, REPLACE THE CASEASSEMBLY 206-040-425-101 WITH CASE ASSEMBLY206-040-425-111. THE BEARING 206-040-409-001 MUSTALSO BE REPLACED WITH THE BEARING206-340-400-101.
NOTE 2: AT INITIAL REPLACEMENT, REPLACE THE CASEASSEMBLY 206-040-425-131 WITH CASE ASSEMBLY206-040-425-135. THE BEARING 206-040-409-001 MUSTALSO BE REPLACED WITH THE BEARING206-340-400-101.
NOTE 3: REPLACES SHAFT 206-040-439-101 WHEN HIGHALTITUDE KIT IS INSTALLED PER BHT-206-SI-2054.
AVAIL CODE DEFINITION
P ProcurableNP Non ProcurableSP Normal Stock/Procurable
Please see Chapter 1 for additional information on availabilitycodes as well as general use of the Illustrated PartsBreakdown Manual.
(1) (2) (3) (4) (5) (6)
INDEX NUMBER PART NUMBER ITEM NAME
UNIT PER
ASSY
AVAIL
UOC
Figure 65-3. Gearbox Assembly, Tail Rotor (Cont’d)