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 72-50-10-030-005 LPT Case And Rotor Assembly - Disassemble The LPT Stage 6 Stator Vanes From The LPT, Disassembly-005
General
Refer to TASK 72-50-10-030-001 (DISASSEMBLY-001) before you do this TASK.
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 penetrating oil before the removal of threaded parts. Let the parts soak before removal. For the approved oils and procedures, 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 keywashers removed in this procedure.
Refer to TASK 72-50-00-990-501 (DESCRIPTION AND OPERATION-001) for a sectional view of the LP turbine module.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Basket | LOCAL | Basket | For blades and vanes | |
| IAE 1M14094 Retaining block | 0AM53 | IAE 1M14094 | 33 | |
| IAE 1M14124 Protector ring segment | 0AM53 | IAE 1M14124 | 3 | |
| IAE 1M14010 Assembly/Disassembly fixture | 0AM53 | IAE 1M14010 |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Refer to: Figure
Install the IAE 1M14124 Protector ring segment 3 off between the stage 6 vane inner platforms and the stage 5 blade roots.
SUBTASK 72-50-10-030-144 Install the Protector Ring Segments
Refer to: Figure
Remove the IAE 1M14094 Retaining block 33 off from the joint of the stage 6 vane. Pull the vane segment rearwards out of the turbine case. Do this procedure with all 33 vane segments.
SUBTASK 72-50-10-030-087 Remove the Retaining Blocks and the Stage 6 Vane Segments
Refer to: Figure
SUBTASK 72-50-10-030-145 Remove the Protector Ring Segments
Move the lifting ring of the IAE 1M14010 Assembly/Disassembly fixture 1 off from the 'lifting-position' into the 'zero-position' with the use of the lever.
SUBTASK 72-50-10-030-192 Move the Lifting Ring
Figure: Remove the stage 6 vanes
Remove the stage 6 vanes
