Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
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Description
TASK 72-44-00-100-000 HP Turbine (HPT) Stage 1 Nozzle Assembly - The Table Of Part Numbers/Task Numbers, Cleaning-000
General
This TASK gives the procedures to clean the High Pressure Turbine (HPT) Stage 1 Nozzle Assembly parts.
The practices and processes referred to in the procedure by the TASK number are in SPM.
References
Refer to SPM TASK 70-10-00-100-501 for important cleaning information that supplements the TASKs.
When more than one TASK is specified for a part, refer to SPM TASK 70-10-00-100-501 for selection of the applicable cleaning TASK.
Refer to SPM TASK 70-10-00-100-501 for the TASK numbers given below.
Procedure
The parts in the Table are listed in numerical order by ATA number.
The TASK numbers in Table are listed in sequential numerical order.
Table 1. ATA
PART NAME.
ITEM PART NO.
TASK
72-44-10
HPT Stage 1 Support Seal (NI)
2A0170, 2A3328
72-44-10
HPT Stage 1 Support Assembly - Stage 1 HPT Support Pre SBE 72-0562 (No Brush Seal) (NI)
2A1292, 2A1293 (detail of 2A2192), 2A1358, 2A1359 (detail of 2A1358), 2A1359-001, (detail of 2A3360), 2A1359-002 (detail of 2A4027), 2A1664, 2A1669 (detail of 2A1664), 2A2703, 2A2704 (detail of 2A2703 and 2A3367), 2A3327 (detail of 2A3360), 2A3327-001 (detail of 2A4027), 2A3360, 2A3367, 2A3895 (detail of 2A3896), 2A3896, 2A4026, (detail of 2A4027), 2A4027
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.72-44-10
HPT Stage 1 Support Assembly - Stage 1 HPT Support Pre SBE 72-0562 (With Brush Seal) (NI)
2A4084 (detail of 2A4085), 2A4085
TASK 70-11-13-300-503 (See note)
TASK 70-11-54-300-503 (See note)
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If the brush seals are installed, clean the seal assembly only by TASK 70-11-03-300-503.NOTE
The brush seal must first be disassembled from the support by the applicable repair before you can use TASK 70-11-13-300-503 or TASK 70-11-54-300-503.NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.
CAUTION
TOO MUCH ABRASIVE BLAST CAN DAMAGE THE AIRFOIL COATING. DO NOT ABRASIVE BLAST THE VANE PLATFORMS. YOU MUST MASK THE PLATFORMS.72-44-20
HPT Stage 1 Vane (NI & Cobalt Alloy)
2A0561, 2A2761, 2A4201, 2A5591, 2A4271, 2A0091CL21,2A0091CL22, 2A0091CL23, 2A0091CL24, 2A0091CL25, 2A0091CL26, 2A0091CL27, 2A0091CL28, 2A0091CL29, 2A0091CL30, 2A0091CL31, 2A0091CL32, 2A0091CL33, 2A0091CL34, 2A0091CL35, 2A0091CL36, 2A0091CL37, 2A0091CL38, 2A0091CL39, 2A0091CL40, 2A0091CL41, 2A0091CL42, 2A0091CL43, 2A0091CL44, 2A0091CL45, 2A0091CL46, 2A0091CL47, 2A0091CL48, 2A0091CL48-5, 2A0091CL49, 2A0091CL49-5, 2A2591CL21, 2A2591CL22, 2A2591CL23, 2A2591CL24, 2A2591CL25, 2A2591CL26, 2A2591CL27, 2A2951CL28, 2A2591CL29, 2A2591CL30, 2A2591CL31, 2A2591CL32, 2A2591CL33, 2A2591CL34, 2A2591CL35, 2A2591CL36, 2A2591CL37, 2A2591CL38, 2A2591CL39, 2A2591CL40, 2A2591CL41, 2A2591CL42, 2A2591CL43, 2A2591CL44, 2A2591CL45, 2A2591CL46, 2A2591CL47, 2A2591CL48, 2A2591CL49, 2A2591CL50, 2A2591CL51
TASK 70-12-09-120-501 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 only after chemical cleaning by TASK 70-11-13-300-503.72-44-30
Inner Combustion Chamber Assembly (NI)
2A0549-01, 2A1374, 2A1398, 2A1617, 2A2034, 2A2034-001, 2A2718-01, 2A2722-01, 2A2838-01, 2A3344-01, 2A3344-001, 2A3344-002, 2A3344-003, 2A3344-004, 2A3344-005, 2A3344-006, 2A3344-007, 2A3351-01, 2A3351-003, 2A3351-004, 2A4283-01, 2A4311-01, 2A4313-01, 2A4315-01, 2A4315-001
72-44-40
HPT Stage 1 Outer Seal (NI)
2A0330-01, 2A1980-01
72-44-40
HPT Stage 1 Outer Seal Sleeve Bushing (Cobalt Alloy)
2A0331
72-44-40
HPT Stage 1 Outer Seal Spring Tension Washer (NI)
2A0332
72-44-40
HPT Stage 1 Outer Seal Spacer (NI)
2A1695
72-44-50
HPT Stage 1 Cooling (TOBI) Duct (NI)
2A0008-01, 2A1997-01, 2A1997-001, 2A1997-002, 2A1997-003, 2A2141-01, 2A3180-01, 2A3329-01, 2A3487-01, 2A3487-001, 2A3491-01, 2A3914-01, 2A3914-001, 2A4086
72-44-50
HPT Cooling Duct Deflector (NI)
2A0086
72-44-60
HPT Stage 1 Duct Segment (NI)
2A0087, 2A1198, 2A2363, 2A2364, 2A3181, 2A3568, 2A3569
72-44-60
HPT Stage 1 Duct Segment Stop (NI)
2A0936, 2A2365
72-44-60
HPT Stage 1 Remaining Parts - no ATA
Various