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 72-50-25-300-021 LPT Outer Diffuser Support - Replace The Locating Key, Repair-021 (VRS4315)
General
Price and availability - none
The practices and processes referred to in the procedure by the TASK number are in the SPM.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Tungsten inert gas system (TIG) | LOCAL | Tungsten inert gas system (TIG) | ||
| Depth gage micrometer | LOCAL | Depth gage micrometer | ||
| Dial caliper | LOCAL | Dial caliper | ||
| Electrochemical drilling machine | LOCAL | Electrochemical drilling machine | ||
| Illuminated magnifier (portable) | LOCAL | Illuminated magnifier (portable) | ||
| Radius gage set | LOCAL | Radius gage set | ||
| Crack detection kit (fluorescent) | LOCAL | Crack detection kit (fluorescent) | ||
| Vernier caliper | LOCAL | Vernier caliper | ||
| Unltraviolet lamp | LOCAL | Ultraviolet lamp | ||
| IAE 3M14226 Clamping fixture | 0AM53 | IAE 3M14226 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 03-184 WELDING FILLER WIRE, NICKEL | LOCAL | CoMat 03-184 |
Spares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| 3A0087 LOCATING KEY | 3A0087 | 1 |
Safety Requirements
NONEProcedure
Electrochemical drill according to the SPM TASK 70-32-03-320-501.
Refer to Figure.
Do not remove parent material.
Traces of brace can stay to get the slot dimensions.
Use the Electrochemical drilling machine.
Machine off the worn 3A0087 .
SUBTASK 72-50-25-320-058 Remove the Worn Locating Key
Refer to the SPM TASK 70-11-34-300-503.
Aqueous degrease the outer diffuser support assembly.
SUBTASK 72-50-25-110-067 Clean the Outer Diffuser Support Assembly
For dimensions refer to Figure.
Examine the outer diffuser support assembly dimensionally.
SUBTASK 72-50-25-230-066 Examine the Outer Diffuser Support Assembly
Clamp the 3A0087 to prevent movement.
Use the IAE 3M14226 Clamping fixture 1 off.
Use Tungsten inert gas system (TIG) and CoMat 03-184 WELDING FILLER WIRE, NICKEL to weld the 3A0087 .
Refer to Figure and to the SPM TASK 70-31-13-310-501.
Tungsten inert gas system (TIG) weld the 3A0087 in position.
SUBTASK 72-50-25-310-055 Weld in the New Locating Key
Examine the reworked area for completed weld.
Examine the welded 3A0087 dimensionally.
Do the test for cracks.
SUBTASK 72-50-25-220-106 Do the Post Repair Inspection
Figure: Replace the locating key of the outer diffuser support assembly
Replace the locating key of the outer diffuser support assembly
Replace the locating key of the outer diffuser support assembly
