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 72-50-10-030-001 LPT Case And Rotor Assembly - Prepare For LPT Disassembly, 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 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 for a sectional view of the LP turbine module.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Rack pallet | LOCAL | Rack pallet | ||
| IAE 1M14000 Lifting fixture | 0AM53 | IAE 1M14000 | 1 | |
| IAE 1M14001 Support fixture | 0AM53 | IAE 1M14001 | 1 | |
| IAE 1M14009 Storage stand | 0AM53 | IAE 1M14009 | 1 | |
| IAE 1M14010 Assembly/Disassembly fixture | 0AM53 | IAE 1M14010 | 1 | |
| IAE 1M14110 Turnover stand | 0AM53 | IAE 1M14110 | 1 | |
| IAE 1M14014 Support fixture | 0AM53 | IAE 1M14014 | 1 | |
| IAE 1M14031 Assembly stand | 0AM53 | IAE 1M14031 | 1 | |
| IAE 1M14051 Locating disk | 0AM53 | IAE 1M14051 | 1 | |
| IAE 1M14063 Guide fixture | 0AM53 | IAE 1M14063 | 1 | |
| IAE 1M14092 Guide shaft | 0AM53 | IAE 1M14092 | 1 | |
| IAE 1M14465 Locating disk | 0AM53 | IAE 1M14465 | 1 |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Engage the IAE 1M14000 Lifting fixture 1 off on to the IAE 1M14001 Support fixture 1 off. Turn back the three guide sleeves, part of the lifting fixture, until the support fixture touches the lifting fixture.
SUBTASK 72-50-10-030-051 Install the Support Fixture in to the Lifting Fixture
Refer to: Figure

CAUTION
MAKE SURE THE SUPPORT FIXTURE IS CORRECTLY LOCKED ON THE LIFTING FIXTURE. IF THE FIXTURES ARE NOT CORRECTLY LOCKED, THE LP TURBINE CASE AND ROTOR PARTS CAN BE DAMAGED DURING HANDLING OF THE LP TURBINE ASSEMBLY.Turn the six clamps out and attach them with the knurled nuts. Make sure that all the hooks of the clamps engage the front flange of the stage 6 disk.
Tighten the three nuts of the IAE 1M14001 Support fixture 1 off.
SUBTASK 72-50-10-030-052 Install the Assembled Fixture on to the LP Turbine Case and Rotor

CAUTION
SAFETY THE TURN OVER STAND WITH THE FOUR ARMS.Use hoist equipment. Lift the IAE 1M14010 Assembly/Disassembly fixture 1 off on to the IAE 1M14110 Turnover stand 1 off.
SUBTASK 72-50-10-030-056 Install the Assembly/Disassembly Fixture to the Turnover Stand

CAUTION
SAFETY THE STORAGE STAND WITH THE BRAKE.Use hoist equipment. Lift the LP turbine case and rotor from the IAE 1M14009 Storage stand 1 off. Lower the LP case and rotor carefully on to the IAE 1M14031 Assembly stand 1 off. Remove the hoist equipment.
Use hoist equipment. Install from the rear the IAE 1M14092 Guide shaft 1 off in to the support fixture.
SUBTASK 72-50-10-030-057 Install the Guide Shaft to the Support Fixture
Attach the IAE 1M14063 Guide fixture 1 off to the assembly/disassembly fixture with the three bolts. Tighten the bolts.
SUBTASK 72-50-10-030-058 Attach the Guide Fixture to the Assembly/Disassembly Fixture
Refer to: Figure
SUBTASK 72-50-10-030-059 Attach the LP Turbine Case and Rotor to the Assembly/Disassembly Fixture
Refer to: Figure
SUBTASK 72-50-10-030-060 Safety the Stage 3 Rotor

CAUTION
DO NOT TURN THE LP TURBINE CASE AND ROTOR IN THE ASSEMBLY/DISASSEMBLY FIXTURE WITHOUT THE FOLLOWING SPECIAL TOOLS. IAE 1M14014 Support fixture 1 OFF AND THE IAE 1M14051 Locating disk 1 OFF. IF YOU TURN THE MODULE WITHOUT THESE TOOLS THE LP TURBINE CASE AND ROTOR CAN BE DAMAGED.Loosen and remove the all 19 screws which attach the lifting fixture to the turbine case rear flange.
SUBTASK 72-50-10-030-061-A00 Remove the Lifting Fixture and the Support Fixture (Except V2533)

CAUTION
DO NOT TURN THE LP TURBINE CASE AND ROTOR IN THE ASSEMBLY/DISASSEMBLY FIXTURE WITHOUT THE FOLLOWING SPECIAL TOOLS. IAE 1M14014 Support fixture 1 OFF AND IAE 1M14465 Locating disk 1 OFF. IF YOU TURN THE MODULE WITHOUT THESE TOOLS THE LP TURBINE CASE AND ROTOR CAN BE DAMAGED.Loosen and remove all the 19 screws which attach the lifting fixture to the turbine case rear flange.
SUBTASK 72-50-10-030-061-B00 Remove the Lifting Fixture and the Support Fixture (Only V2533)
Figure: Attach the lifting fixture to the LP turbine module
Attach the lifting fixture to the LP turbine module

Figure: Install the LP turbine in to the assembly/disassembly fixture
Install the LP turbine in to the assembly/disassembly fixture

