TASK 72-50-23-300-001 LPT Stage 5 Outer Shroud Seal Segment - Replace The Strip Seal, Repair-001 (VRS4028)

DMC:V2500-A0-72-50-2305-00A-920A-C|Issue No:002.00|Issue Date:2013-11-01

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 72-50-23-300-001 LPT Stage 5 Outer Shroud Seal Segment - Replace The Strip Seal, Repair-001 (VRS4028)

Effectivity

FIG/ITEM

PART NO.

01-150

3A0727

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Stage 5 shroud seal

Hastelloy X

segment

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 70-11-01-200-502, SPM TASK 70-23-05-230-501, SPM TASK 70-31-07-310-501, SPM TASK 70-31-10-310-501 and SPM TASK 70-31-13-310-501.
Equivalent equipment or material may be used.

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Hand held grinderLOCALHand held grinder
Vernier caliperLOCALVernier caliper
Spot welding machineLOCALSpot welding machine
Inert gas welding systemLOCALInert gas welding system
IAE 3M14272 Clamping fixture0AM53IAE 3M142721

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-197 WELDING FILLER WIRELOCALCoMat 03-197

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Strip Seal3A01371

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-23-326-052 Remove the Damaged Strip Seal

      1. Machine off the damaged strip seal.

      1. Refer to Figure. If a hand held grinder is used, be careful that the component does not become to hot.

        Do not remove basic material.

        The machined surface must be smooth and flat.

    2. SUBTASK 72-50-23-110-081 Clean the Stage 5 Shroud Seal Segment

      1. Vapour degrease.

      1. Refer to the SPM TASK 70-11-01-200-502.

    3. SUBTASK 72-50-23-220-105 Examine the Local Surfaces after Removal of the Strip Seal

      1. Visually examine the local surface.

      1. No remaining weld is permitted.

    4. SUBTASK 72-50-23-230-073 Examine the Local Surfaces for Cracks

      1. Do the test for cracks locally.

      1. Refer to the SPM TASK 70-23-05-230-501 No cracks are permitted.

    5. SUBTASK 72-50-23-110-082 Clean the Stage 5 Shroud Seal Segment

      1. Vapour degrease.

      1. Refer to the SPM TASK 70-11-01-200-502.

    6. SUBTASK 72-50-23-310-060 Weld in the New Strip Seal

      1. Tungsten inert gas and resistance weld the strip seal in position.

      1. Clamp the strip seal to prevent movement. Use the IAE 3M14272 Clamping fixture 1 off.

        Use a spot welding equipment.

        an inert gas welding system and CoMat 03-197 WELDING FILLER WIRE to weld in the strip seal.

        Make sure that the honeycomb brazing is not damaged.

    7. SUBTASK 72-50-23-220-106 Do the Post Repair Inspection

      1. Dimensionally examine the new strip seal.

      1. For finish dimensions refer to Figure.

        Use vernier caliper.

      2. Visually examine the weld quality.

      1. Refer to the SPM TASK 70-31-10-310-501 and SPM TASK 70-31-13-310-501 for acceptance standards.

    8. SUBTASK 72-50-23-230-074 Examine the Welded Areas for Cracks

      1. Do the test for cracks.

      1. Refer to the SPM TASK 70-23-05-230-501 No cracks are permitted.

    9. SUBTASK 72-50-23-110-083 Clean the Stage 5 Shroud Seal Segment

      1. Vapor degrease.

      1. Refer to the SPM TASK 70-11-01-200-502.

    10. SUBTASK 72-50-23-220-107 Examine the Honeycomb Braze Condition

      1. Examine the honeycomb for complete braze.

      1. Refer to the SPM TASK 70-31-07-310-501 for acceptance standards.

    11. Figure: Replace the strip seal of the stage 5 shroud seal segment

    Replace the strip seal of the stage 5 shroud seal segment

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Link not Found
Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 03-197
Type:sp01
Supply Short Name:CoMat 03-197 WELDING FILLER WIRE
Supply Name:CoMat 03-197 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
MSRR9500/215HASTELLOY X
OMAT:3/165AMS 5798
OMAT:3/165
Suppliers:
ManufacturerRemarks
LOCAL
07098
IE508
0B491
2R602
36346
55596
57965
58401
80357
IE306
K6835
1GD26
Manufacturer Code:LOCAL
Tool Number:Hand held grinder
Tool Name:Hand held grinder
Manufacturer Code:0AM53
Tool Number:IAE 3M14272
Tool Name:IAE 3M14272 Clamping fixture
Manufacturer Code:LOCAL
Tool Number:Inert gas welding system
Tool Name:Inert gas welding system
Manufacturer Code:LOCAL
Tool Number:Spot welding machine
Tool Name:Spot welding machine
Manufacturer Code:LOCAL
Tool Number:Vernier caliper
Tool Name:Vernier caliper