Pratt & Whitney Canada Turboprop Gas Turbine Engine (PT6A-21/PT6A-27/PT6A-28) Maintenance Manual (+ Parts Catalog)
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TO: Holders of the Pratt & Whitney Canada Illustrated Parts Catalog for PT6A-21/-27/-28
Engines, Manual Part No. 3013244.
SUBJECT: Revision No. 60, dated May 18/2012
Please insert the attached Revision No. 60 pages into your copy of the PT6A-21/-27/-28 Parts
Catalog. Remove and destroy superseded pages.
Extreme care should be exercised in updating your copy of the catalog. To ensure that you do not
inadvertently discard pages that should be retained, the catalog should be updated in accordance with
the Lists of Effective Pages.
Pages supplied with the new date and revision bars but no visible change may contain coding
changes transparent to the user and should be inserted as part of the revision.
Please add Revision No. 60 to the Record of Revisions.
Any discrepancies, problems or suggestions regarding this revision should be forwarded in writing
using the Pratt & Whitney Canada Customer Feedback Sheet (RSVP), and directed to:
Pratt & Whitney Canada Corp.
1000 Marie-Victorin
Longueuil, Québec
Canada J4G 1A1
Attention: Manager, Technical Publications (05MS1)
Email: publications@pwc.ca
Fax: (450) 468-7688
Customer Feedback Sheets are contained with new manuals and each subsequent revision. You
may also submit your feedback via our on-line RSVP form available at:
www.pwc.ca/en/3_0/3_0_6/3_0_6_5_7.asp.
Pratt & Whitney Canada Corp.
1000, Marie-Victorin
Longueuil, Québec, Canada J4G 1A1
Tél. 450-677-9411
June 7, 2012
REVISION TRANSMITTAL SHEET
RECORD OF REVISIONS
REV
NO.
ISSUE
DATE
DATE
INSERTED
BY
1 May 25/77 P&WC
2 Feb 15/78 P&WC
3 Sep 20/78 P&WC
4 Mar 02/79 P&WC
5 Aug 08/79 P&WC
6 Jan 07/80 P&WC
7 May 05/80 P&WC
8 Sep 05/80 P&WC
9 Jan 08/81 P&WC
10 May 06/81 P&WC
11 Aug 31/81 P&WC
12 Jan 08/82 P&WC
13 May 06/82 P&WC
14 Sep 01/82 P&WC
15 Feb 04/83 P&WC
16 Mar 01/84 P&WC
17 Feb 15/85 P&WC
18 Nov 22/85 P&WC
19 Jun 13/86 P&WC
20 Mar 13/87 P&WC
21 Nov 02/87 P&WC
22 Nov 21/88 P&WC
23 Dec 08/89 P&WC
24 Jul 15/92 P&WC
25 Jan 15/93 P&WC
26 Jun 15/93 P&WC
27 Dec 15/93 P&WC
28 Jun 15/94 P&WC
29 Apr 30/95 P&WC
REV
NO.
ISSUE
DATE
DATE
INSERTED
BY
30 Nov 13/95 P&WC
31 Jun 01/96 P&WC
32 Dec 01/96 P&WC
33 May 02/97 P&WC
34 Nov 21/97 P&WC
35 May 15/98 P&WC
36 Nov 13/98 P&WC
37 May 14/99 P&WC
38 Jul 30/99 P&WC
39 Feb 11/2000 P&WC
40 Aug 18/2000 P&WC
41 Feb 02/2001 P&WC
42 Aug 03/2001 P&WC
43 Nov 30/2001 P&WC
44 Feb 15/2002 P&WC
45 Aug 16/2002 P&WC
46 Jun 06/2003 P&WC
47 Apr 02/2004 P&WC
48 Aug 27/2004 P&WC
49 Nov 26/2004 P&WC
50 Jun 10/2005 P&WC
51 Dec 02/2005 P&WC
52 Jun 16/2006 P&WC
53 Jan 05/2007 P&WC
54 Apr 25/2008 P&WC
55 Nov 21/2008 P&WC
56 Apr 03/2009 P&WC
57 Sep 18/2009 P&WC
58 May 21/2010 P&WC
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
RECORD OF REVISIONS Feb 15/78
REV
NO.
ISSUE
DATE
DATE
INSERTED
BY
59 Dec 10/2010 P&WC
60 May 18/2012
REV
NO.
ISSUE
DATE
DATE
INSERTED
BY
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
RECORD OF REVISIONS Feb 15/78
RECORD OF TEMPORARY REVISIONS
TR.
NO. CH/SE/SU
PAGE
NO.
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DATE
INSERTED
BY
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REMOVED
REMOVED
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PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
RECORD OF TRs Nov 13/95
CHAPTER
SECTION PAGE DATE
Title Page May 18/2012
Record of Revisions Feb 15/78
Record of Temporary
Revisions
Nov 13/95
LEP 1 May 18/2012
2 blank May 18/2012
Service Bulletin
List
1 May 18/2012
2 May 18/2012
3 May 18/2012
4 May 18/2012
5 May 18/2012
6 May 18/2012
7 May 18/2012
8 May 18/2012
9 May 18/2012
10 blank May 18/2012
Spare Parts
Bulletin List
1 May 18/2012
2 May 18/2012
Parts Digest
List
1 Aug 27/2004
2 Aug 27/2004
3 Aug 27/2004
4 Aug 27/2004
List of Chapter/
Section/Subjects
1 Aug 27/2004
2 Aug 27/2004
3 Aug 27/2004
4 blank Aug 27/2004
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
LIST OF EFFECTIVE PAGES
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
Page 1/2
FRONT MATTER LEP May 18/2012
SERVICE BULLETIN LIST
P&WC
SB No.
ATA Service
Bulletin No. Revision No.
Date Service Bulletin
Incorporated into Catalog
1001 PT6A-27-1001 24 No Effect
1002 PT6A-72-1002 25 No Effect
1003 PT6A-27-1003 28 Deleted
1045 PT6A-72-1045 Original Nov 25/76
1056 PT6A-72-1056 2 Jan 07/80
1079 PT6A-72-1079 1 Nov 25/76
1083 PT6A-72-1083 1 Cancelled
1085 PT6A-72-1085 1 Cancelled
1087 PT6A-72-1087 Original Nov 25/76
1090 PT6A-72-1090 Original Nov 25/76
1093 PT6A-72-1093 Original Nov 25/76
1096 PT6A-72-1096 1 Cancelled
1097 PT6A-72-1097 Original Nov 25/76
1098 PT6A-72-1098 Original Nov 25/76
1100 PT6A-72-1100 Original Nov 25/76
1101 PT6A-72-1101 1 Nov 25/76
1102 PT6A-72-1102 Original Nov 25/76
1103 PT6A-72-1103 2 Nov 25/76
1104 PT6A-72-1104 1 Nov 25/76
1105 PT6A-72-1105 Original Nov 25/76
1106 PT6A-72-1106 Original Nov 25/76
1107 PT6A-72-1107 Original Nov 25/76
1108 PT6A-72-1108 Original Nov 25/76
1110 PT6A-72-1110 Original Nov 25/76
1111 PT6A-72-1111 Original Nov 25/76
1113 PT6A-72-1113 1 May 05/80
1115 PT6A-72-1115 Original Nov 25/76
1116 PT6A-72-1116 Original Nov 25/76
1117 PT6A-72-1117 3 Jan 08/82
1118 PT6A-72-1118 1 Sep 20/78
1119 PT6A-72-1119 Original Nov 25/76
1120 PT6A-72-1120 3 Feb 15/85
1121 PT6A-72-1121 1 Cancelled
1122 PT6A-72-1122 Original Nov 25/76
1123 PT6A-72-1123 Original Nov 25/76
1124 PT6A-72-1124 1 Mar 13/87
1125 PT6A-72-1125 Original Nov 25/76
1126 PT6A-72-1126 Original Nov 25/76
1127 PT6A-72-1127 Original Nov 25/76
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
Page 1
SB LIST May 18/2012
P&WC
SB No.
ATA Service
Bulletin No. Revision No.
Date Service Bulletin
Incorporated into Catalog
1128 PT6A-72-1128 Original Nov 25/76
1129 PT6A-72-1129 3 Feb 15/85
1130 PT6A-72-1130 Original Nov 25/76
1131 PT6A-72-1131 Original Nov 25/76
1132 PT6A-72-1132 Original Nov 25/76
1133 PT6A-72-1133 1 No Effect
1134 PT6A-72-1134 Original Nov 25/76
1135 PT6A-72-1135 2 Feb 15/78
1137 PT6A-72-1137 Original Nov 25/76
1138 PT6A-72-1138 3 Feb 15/78
1139 PT6A-72-1139 Original Nov 25/76
1140 PT6A-72-1140 Original Nov 25/76
1141 PT6A-72-1141 Original Nov 25/76
1145 PT6A-72-1145 Original Nov 25/76
1146 PT6A-72-1146 Original Nov 25/76
1148 PT6A-72-1148 2 Feb 15/78
1149 PT6A-72-1149 4 Feb 02/2001
1150 PT6A-72-1150 Original Nov 25/76
1152 PT6A-72-1152 1 Jan 08/81
1153 PT6A-72-1153 Original Nov 25/76
1154 PT6A-72-1154 2 Mar 01/84
1155 PT6A-72-1155 1 Mar 02/79
1156 PT6A-72-1156 Original Nov 25/76
1157 PT6A-72-1157 1 May 06/81
1158 PT6A-72-1158 Original Nov 25/76
1159 PT6A-72-1159 Original Nov 25/76
1160 PT6A-72-1160 1 Nov 25/76
1161 PT6A-72-1161 Original Nov 25/76
1162 PT6A-72-1162 Original Nov 25/76
1165 PT6A-72-1165 Original Nov 25/76
1166 PT6A-72-1166 1 Sep 20/78
1167 PT6A-72-1167 3 Nov 22/85
1168 PT6A-72-1168 Original Nov 25/76
1169 PT6A-72-1169 2 Nov 25/76
1170 PT6A-72-1170 Original Nov 25/76
1171 PT6A-72-1171 1 Cancelled
1173 PT6A-72-1173 Original Nov 25/76
1174 PT6A-72-1174 1 Jan 15/93
1175 PT6A-72-1175 Original Nov 25/76
1176 PT6A-72-1176 Original Nov 25/76
1177 PT6A-72-1177 3 Jan 15/93
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
Page 2
SB LIST May 18/2012
P&WC
SB No.
ATA Service
Bulletin No. Revision No.
Date Service Bulletin
Incorporated into Catalog
1178 PT6A-72-1178 Original Nov 25/76
1179 PT6A-72-1179 Original Nov 25/76
1180 PT6A-72-1180 Original Nov 25/76
1183 PT6A-72-1183 1 Nov 25/76
1184 PT6A-72-1184 1 Cancelled
1185 PT6A-72-1185 Original Nov 25/76
1190 PT6A-72-1190 Original Nov 25/76
1191 PT6A-72-1191 3 Jan 07/80
1193 PT6A-72-1193 9 May 06/82
1194 PT6A-72-1194 1 Nov 25/76
1196 PT6A-72-1196 15 No Effect
1197 PT6A-72-1197 2 Sep 20/78
1200 PT6A-72-1200 1 Nov 25/76
1201 PT6A-72-1201 1 Jun 13/86
1203 PT6A-72-1203 Original Nov 25/76
1205 PT6A-72-1205 2 Sep 20/78
1207 PT6A-72-1207 1 Nov 25/76
1209 PT6A-72-1209 5 Cancelled
1210 PT6A-72-1210 2 May 25/77
1212 PT6A-72-1212 3 No Effect
1214 PT6A-72-1214 2 No Effect
1215 PT6A-72-1215 2 Sep 20/78
1216 PT6A-72-1216 7 Mar 01/84
1217 PT6A-72-1217 4 Sep 20/78
1218 PT6A-72-1218 3 May 25/77
1220 PT6A-72-1220 6 May 05/80
1221 PT6A-72-1221 Original May 25/77
1223 PT6A-72-1223 6 Jan 07/80
1224 PT6A-72-1224 2 Sep 20/78
1225 PT6A-72-1225 2 May 25/77
1226 PT6A-72-1226 1 May 25/77
1227 PT6A-72-1227 3 May 25/77
1228 PT6A-72-1228 2 May 25/77
1229 PT6A-72-1229 Original May 25/77
1230 PT6A-72-1230 Original Not Used
1231 PT6A-72-1231 1 May 25/77
1232 PT6A-72-1232 2 Feb 15/78
1236 PT6A-72-1236 4 No Effect
1237 PT6A-72-1237 4 Jan 07/80
1238 PT6A-72-1238 2 Feb 15/78
1240 PT6A-72-1240 3 May 06/81
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
Page 3
SB LIST May 18/2012
P&WC
SB No.
ATA Service
Bulletin No. Revision No.
Date Service Bulletin
Incorporated into Catalog
1241 PT6A-72-1241 2 Sep 20/78
1242 PT6A-72-1242 1 Feb 15/78
1244 PT6A-72-1244 22 No Effect
1247 PT6A-72-1247 5 Jan 08/82
1248 PT6A-72-1248 2 Feb 15/78
1249 PT6A-72-1249 Original Feb 15/78
1251 PT6A-72-1251 3 Nov 21/88
1254 PT6A-72-1254 Original Feb 15/78
1255 PT6A-72-1255 4 Jan 08/82
1257 PT6A-72-1257 3 Jan 08/81
1258 PT6A-72-1258 4 Jan 08/82
1259 PT6A-72-1259 1 Jan 07/80
1261 PT6A-72-1261 2 Aug 08/79
1263 PT6A-72-1263 2 Jan 08/82
1264 PT6A-72-1264 Original Feb 15/78
1265 PT6A-72-1265 2 Nov 22/85
1269 PT6A-72-1269 1 Cancelled
1270 PT6A-72-1270 1 Aug 08/79
1272 PT6A-72-1272 2 Cancelled
1275 PT6A-72-1275 1 Feb 15/78
1276 PT6A-72-1276 3 Jan 07/80
1277 PT6A-72-1277 2 Nov 22/85
1280 PT6A-72-1280 3 May 06/82
1281 PT6A-72-1281 2 Feb 04/83
1282 PT6A-72-1282 Original Sep 20/78
1284 PT6A-72-1284 1 Mar 02/79
1285 PT6A-72-1285 1 Aug 08/79
1286 PT6A-72-1286 1 Feb 15/85
1287 PT6A-72-1287 2 Jan 08/81
1290 PT6A-72-1290 3 Sep 05/80
1292 PT6A-72-1292 1 Jan 07/80
1293 PT6A-72-1293 1 May 06/81
1297 PT6A-72-1297 1 Aug 31/81
1298 PT6A-72-1298 1 Nov 22/85
1299 PT6A-72-1299 Original May 05/80
1300 PT6A-72-1300 1 No Effect
1304 PT6A-72-1304 Original Mar 02/79
1305 PT6A-72-1305 2 May 06/82
1310 PT6A-72-1310 1 Aug 31/81
1314 PT6A-72-1314 Original May 05/80
1316 PT6A-72-1316 1 Jan 15/93
PRATT & WHITNEY CANADA
ILLUSTRATED PARTS CATALOG
MANUAL PART NO. 3013244
P&WC Proprietary Information. Subject to the restriction on the title page.
The export control classification with respect to this document is contained on the back of the title page.
Page 4
SB LIST May 18/2012
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Pratt & Whitney Canada Turboprop Gas Turbine Engine (PT6A-21/PT6A-27/PT6A-28) Maintenance Manual (+ Parts Catalog)
This professional technical manual is designed to provide comprehensive service, maintenance, troubleshooting, and replacement procedures for your engine. It includes step-by-step instructions, clear images, and exploded-view illustrations, making it useful for both professional mechanics and DIY enthusiasts.
The manufacturer-sourced procedures are easy to understand and can be combined with illustrations, enabling anyone to safely and efficiently service and repair their engine.
Containing every troubleshooting and replacement procedure provided by the manufacturer, this engine service & repair manual includes step-by-step instructions, exploded-view illustrations, torque specs, and clear images. It provides everything needed to diagnose, repair, or overhaul the engine in no time.
With this manual, there's no need to flip through hundreds of pages to find specific information, and no more dealing with greasy, torn, or lost pages. It can be easily carried around, searched, bookmarked, and even printed for convenience.
Printable: Yes
Language: English
Compatibility: Compatible with various electronic devices, including PC, Mac computers, Android and Apple smartphones, and tablets.
Requirements: Adobe Reader (free)
