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 72-00-41-020-001 HPC Assembly - Remove The HPC Assembly, Removal-001
General
This TASK gives the procedure to remove the HP compressor assembly with the maximum horizontal method and the horizontal/vertical method of the engine disassembly/assembly.
To remove the HP compressor assembly with the maximum horizontal method, do the SUBTASKS identified in Figure in sequence.
To remove the HP compressor assembly with the horizontal/vertical method, do the SUBTASKS identified in Figure in sequence.
The procedure to remove the HP compressor assembly with the major module replacement method and the maximum vertical method is given in TASK 72-40-00-030-006.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Remove the inlet cone. Refer to TASK 72-38-11-020-001.
Remove the LP compressor (fan) module. Refer to TASK 72-00-31-020-001.
SUBTASK 72-00-41-020-051 Remove the Inlet Cone and the LP Compressor (Fan) Module
Remove the components, the external harnesses and the tubes from the LP turbine module. Refer to TASK 72-00-50-020-001.
Remove the LP turbine module. Refer to TASK 72-00-50-020-002.
Turn the LP turbine module from horizontal to vertical. Refer to TASK 72-00-50-560-001.
SUBTASK 72-00-41-020-052-001 Remove the LP Turbine Module, (Horizontal) Method 1
Remove the components, the external harnesses and the tubes from the LP turbine module. Refer to TASK 72-00-50-020-001.
Remove the turbine exhaust case assembly. Refer to TASK 72-00-50-020-003.
Remove the LP turbine case and rotor assembly. Refer to TASK 72-00-50-020-004.
SUBTASK 72-00-41-020-052-002 Remove the LP Turbine Module, (Horizontal) Method 2
Remove the components, the external harnesses and the tubes from the HP system module. Refer to TASK 72-00-40-020-001.
Remove the HP turbine rotor and stator assembly. Refer to TASK 72-00-45-020-001-001.
SUBTASK 72-00-41-020-053-001 Remove the HP Turbine Rotor and Stator Assembly, (Horizontal) Method 1
Remove the components, the external harnesses and the tubes from the HP system module. Refer to TASK 72-00-40-020-001.
SUBTASK 72-00-41-020-053-002 Remove the HP Turbine Rotor and Stator Assembly, (Vertical) Method 2
Remove the stage 1 turbine nozzle assembly and combustion chamber inner liner. Refer to TASK 72-00-44-020-001-001.
SUBTASK 72-00-41-020-054-001 Remove the Stage 1 Turbine Nozzle Assembly and Combustion Chamber Inner Liner, (Horizontal) Method 1
Remove the stage 1 turbine nozzle assembly and combustion chamber inner liner. Refer to TASK 72-00-44-020-001-002.
SUBTASK 72-00-41-020-054-002 Remove the Stage 1 Turbine Nozzle Assembly and Combustion Chamber Inner Liner, (Vertical) Method 2
Remove the outer combustion chamber assembly. Refer to TASK 72-00-42-020-001-001.
SUBTASK 72-00-41-020-055-001 Remove the Outer Combustion Chamber Assembly, (Horizontal) Method 1
Remove the outer combustion chamber assembly. Refer to TASK 72-00-42-020-001-002.
SUBTASK 72-00-41-020-055-002 Remove the Outer Combustion Chamber Assembly, (Vertical) Method 2
Remove the partial HP system module. Refer to TASK 72-00-40-020-002.
SUBTASK 72-00-41-020-056 Remove the Partial HP System Module
Remove the No. 4 bearing and rear compartment. Refer to TASK 72-00-43-020-001.
SUBTASK 72-00-41-020-057 Remove the No. 4 Bearing and Rear Compartment
Remove the diffuser case assembly. Refer to TASK 72-00-42-020-002.
SUBTASK 72-00-41-020-058 Remove the Diffuser Case Assembly
Turn the LP compressor/intermediate case module and the HP system module from horizontal to vertical. Refer to TASK 72-00-40-560-005.
SUBTASK 72-00-41-580-052 Turn the LP Compressor/Intermediate Case Module and the HP System Module from Horizontal to Vertical
Figure: Sequence of SUBTASKS to remove the HP compressor assembly with the maximum horizontal method
Sequence of SUBTASKS to remove the HP compressor assembly with the maximum horizontal method

Figure: Sequence of SUBTASKS to remove the HP compressor assembly with the horizontal/vertical method
Sequence of SUBTASKS to remove the HP compressor assembly with the horizontal/vertical method

