DMC:V2500-A0-72-50-2303-03A-627A-CIssue No:002.00Issue Date:2018-02-01
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 72-50-23-300-024 LPT Stage 3 Shroud Seal Segment - Weld Repair The Rear Hook Faces, Repair-024 (VRS4104)
General
Price and availability - none
The practices and processes referred to in the procedure by the TASK number are in the SPM.
NOTE
For more equipment and materials necessary to do this repair
refer to the SPM TASK 70-11-03-200-503, SPM TASK 70-23-05-230-501 and SPM TASK 70-31-13-310-501.
Equivalent equipment or materials may be used.
NOTE
To identify the consumable materials, refer to the PCI.
NOTE
Special tools are identified in the procedure by the primary
tool number.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 3M14517 Welding fixture | 0AM53 | IAE 3M14517 | 1 | |
| IAE 3M14520 Grinding fixture | 0AM53 | IAE 3M14520 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 03-197 WELDING FILLER WIRE | LOCAL | CoMat 03-197 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure and the SPM TASK 70-31-13-310-501.
Make sure that there is sufficient material to do last machining.
To prevent honeycomb braze damage, several weld passes should be made.
Prevent too much temperature build-up.
Use IAE 3M14517 Welding fixture 1 off.
Build up surfaces. Use manual tungsten inert gas weld technique.
SUBTASK 72-50-23-310-072 Weld Repair the Worn Surfaces
For finish dimensions refer to Figure.
Dimensionally examine the repaired areas.
Refer to the SPM TASK 70-11-03-200-502.
Clean the stage 5 turbine airseal segment.
SUBTASK 72-50-23-220-130 Examine the Machined Dimensions
Figure: Weld repair dimensions of the stage 3 airseal segment rear hook faces
Weld repair dimensions of the stage 3 airseal segment rear hook faces
Figure: Weld repair dimensions of the stage 3 airseal segment rear hook faces
Weld repair dimensions of the stage 3 airseal segment rear hook faces
