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
V2500-A5
Common Information
TASK 72-50-50-040-001-C00 Turbine Exhaust Case (TEC) Assembly - Disassemble The TEC 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 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 seal washers removed in this procedure.
Transportation covers/blanks must be installed immediately after the removal of the components.
The number for each radial location must be identified in a clockwise direction. These start at the engine top position when you look from the rear of the engine, unless stated differently in the procedure.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1F10041 TEC lift adapter | 0AM53 | IAE 1F10041 | 1 | |
| IAE 1F10042 Engine lift eye rear bare | 0AM53 | IAE 1F10042 | 1 | |
| IAE 1F10152 Removal/installation fixture | 0AM53 | IAE 1F10152 | 1 | |
| IAE 1F10178 Storage and Turnover adapter | 0AM53 | IAE 1F10178 | 1 | |
| IAE 1M14110 Turnover stand | 0AM53 | IAE 1M14110 | 1 | |
| IAE 1P16375 Knocker puller | 0AM53 | IAE 1P16375 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | LOCAL | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Install IAE 1F10178 Storage and Turnover adapter 1 off on the trunnion plate of IAE 1M14110 Turnover stand 1 off. Attach with the bolts. Put the trunnion plate in vertical position.
Install IAE 1F10042 Engine lift eye rear bare 1 off on IAE 1F10041 TEC lift adapter 1 off. Attach with the bolts.
SUBTASK 72-50-50-040-070 Install the Turbine Exhaust Case on the Build Stand
Refer to: Figure
SUBTASK 72-50-50-040-071 Remove the No. 5 Bearing Scavenge Tube
Refer to: Figure
SUBTASK 72-50-50-040-072 Remove the No. 5 Bearing Pressure Tube
Refer to: Figure
SUBTASK 72-50-50-040-073 Remove the Rear Housing Shield
Refer to: Figure
SUBTASK 72-50-50-040-074 Remove the Outer Race of the No. 5 Bearing
Refer to: Figure
SUBTASK 72-50-50-040-075 Remove the No. 5 Bearing Seal Housing and Heatshields
Refer to: Figure
Remove the seal housing using IAE 1P16375 Knocker puller 1 off.
SUBTASK 72-50-50-040-076 Remove the No. 5 Bearing Seal Housing
Refer to: Figure
SUBTASK 72-50-50-040-077 Remove the Tube Union
Refer to: Figure
SUBTASK 72-50-50-040-078 Remove the Bosses
Figure: Remove the No. 5 bearing scavenge tube
Remove the No. 5 bearing scavenge tube

Figure: Remove the No. 5 bearing pressure tube
Remove the No. 5 bearing pressure tube

Figure: Remove the outer race of the No. 5 bearing
Remove the outer race of the No. 5 bearing

Figure: Remove the tube union and the bosses
Remove the tube union and the bosses

