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
All
Common Information
TASK 72-44-00-040-001 HP Turbine (HPT) Stage 1 Nozzle Assembly - Disassemble The Nozzle Assembly, Disassembly-001
General
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.
Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts and parts with an interference fit. Refer to the SPM TASK 70-64-00-640-501.
Remove and discard the lockwire before parts are disconnected or removed.
Discard all rubber seal rings, cotter pins and seal washers removed in this procedure.
Refer to Fig. 72-44-00-990-001 for a sectional view of the stage 1 turbine nozzle assembly.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1F10052 Two cables sling | 0AM53 | IAE 1F10052 | 1 | |
| IAE 1P16075 Fixture | 0AM53 | IAE 1P16075 | 1 | |
| IAE 1P16093 Puller | 0AM53 | IAE 1P16093 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | X222X | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
SUBTASK 72-44-00-040-051 Remove the Stage 1 HPT Duct Segments
Lift the IAE 1P16075 Fixture 1 off above the stage 1 turbine nozzle assembly with the IAE 1F10052 Two cables sling 1 off, Figure.
Turn the stage 1 turbine nozzle assembly so the fixture is down, and put it on the bench, Figure.
SUBTASK 72-44-00-040-052 Install the Fixture to the Stage 1 Turbine Nozzle Assembly
Refer to Figure.
Lower the ring detail of the IAE 1P16093 Puller 1 off in the inner combustion chamber liner assembly and put it on the rear surface of the stage 1 HPT cooling duct assembly.
SUBTASK 72-44-00-040-053 Remove the Inner Combustion Chamber Liner Assembly
Raise the assembly and remove the stage 1 HPT cooling duct assembly, Figure.
Remove the bolts, the sleeve bushings and the washers which hold the stage 1 HPT vane cluster assemblies and the stage 1 HPT seal assembly in position, Figure.
SUBTASK 72-44-00-040-054-A00 V2500-A1: Remove the Stage 1 HPT Cooling Duct Assembly and the Stage 1 Vane Cluster Assemblies (Pre SBE 72-0029)
Raise the assembly and remove the stage 1 HPT cooling duct assembly, Figure.
Remove the bolts, the washers, the sleeve bushings and the spacers which hold the stage 1 HPT vane cluster assemblies and the stage 1 HPT seal assembly in poistion, Figure.
SUBTASK 72-44-00-040-054-B00 V2500-A1: Remove the Stage 1 HPT Cooling Duct Assembly and the Stage 1 Vane Cluster Assemblies (SBE 72-0029)
Raise the assembly and remove the stage 1 HPT cooling duct assembly, Figure.
Remove the bolts, the washers, the sleeve bushings and the spacers which hold the stage 1 HPT vane assemblies and the stage 1 HPT seal assembly in position, Figure.
SUBTASK 72-44-00-040-054-C00 V2500-A5: Remove the Stage 1 HPT Cooling Duct Assembly and the Stage 1 Vane Assemblies (Pre SBE 72-0151, Pre SBE 72-0598)
Raise the assembly and remove the stage 1 HPT cooling duct assembly, Figure.
Remove the bolts, washers, sleeve bushings and the spacers which hold the stage 1 HPT vane assemblies and the stage 1 HPT seal assembly in position, Figure.
SUBTASK 72-44-00-040-054-D00 V2500-A1 Phoenix: Remove the Stage 1 HPT Cooling Duct Assembly and the Stage 1 Vane Assemblies (SBE 72-0340)
Raise the assembly and remove the stage 1 HPT cooling duct assembly, Figure.
Remove the bolts, washers, sleeve bushings and the spacers which hold the stage 1 HPT vane assemblies and the stage 1 HPT seal assembly in position, Figure.
SUBTASK 72-44-00-040-054-E00 V2500-A5: Remove the Stage 1 HPT Cooling Duct Assembly and the Stage 1 Vane Assemblies (SBE 72-0151, SBE 72-0598)
Figure: Install the IAE 1P16075 fixture
Install the IAE 1P16075 fixture

Figure: Remove the inner combustion chamber liner assembly
Remove the inner combustion chamber liner assembly

Figure: Install the IAE 1P16093 puller
Install the IAE 1P16093 puller

Figure: V2500-A1 Pre SBE Fig. 72-0029: Remove the stage 1 HPT vane cluster
V2500-A1 Pre SBE Fig. 72-0029: Remove the stage 1 HPT vane cluster

Figure: V2500-A1 SBE 72-0029: Remove the stage 1 HPT vane cluster assemblies
V2500-A1 SBE 72-0029: Remove the stage 1 HPT vane cluster assemblies

Figure: Remove the stage 1 HPT vane assemblies
Remove the stage 1 HPT vane assemblies

Figure: V2500-A5 SBE 72-0151: Remove the stage 1 HPT vane assemblies
V2500-A5 SBE 72-0151: Remove the stage 1 HPT vane assemblies

