TASK 72-50-23-300-019 LPT Stage 7 Outer Shroud Seal Segment - Replace The Strip Seal, Repair-019 (VRS4097)

DMC:V2500-A0-72-50-2307-02A-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 72-50-23-300-019 LPT Stage 7 Outer Shroud Seal Segment - Replace The Strip Seal, Repair-019 (VRS4097)

Effectivity

FIG/ITEM

PART NO.

01-010

3A0666

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Stage 7 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, TASK 70-21-07-310-501 and SPM TASK 70-31-10-310-501.
Equivalent equipment or material may be used.

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
IAE 3M14229 Clamping fixture0AM53IAE 3M142291

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Strip seal3A06701

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-23-326-053 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 becomes not to hot.

        Do not remove basic material.

        The machined surface must be smooth and flat.

    2. SUBTASK 72-50-23-110-084 Clean the Stage 7 Shroud Seal Segment

      1. Vapor degrease.

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

    3. SUBTASK 72-50-23-220-108 Examine the Local Surfaces after Removal of the Strip Seal

      1. Visually examine the local surface.

      1. No remaining weld is permitted.

    4. SUBTASK 72-50-23-230-075 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 permitted.

    5. SUBTASK 72-50-23-110-085 Clean the Stage 7 Shroud Seal Segments

      1. Vapor degrease.

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

    6. SUBTASK 72-50-23-310-061 Weld in the New Strip Seal

      1. Resistance weld the strip seal in position.

      1. Clamp the strip seal to prevent movement.

        Refer to Figure and the SPM TASK 70-31-10-310-501.

        Use spot welding equipment to weld in the strip seal.

        Make sure that the honeycomb brazing is not damaged.

    7. SUBTASK 72-50-23-220-109 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 for acceptance standards.

    8. SUBTASK 72-50-23-230-076 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 72-50-23-110-086 Clean the Stage 7 Shroud Seal Segment

      1. Vapor degrease.

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

    10. SUBTASK 72-50-23-220-110 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 7 shroud seal segment

    Replace the strip seal of the stage 7 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
Tool Number:Hand held grinder
Tool Name:Hand held grinder
Manufacturer Code:0AM53
Tool Number:IAE 3M14229
Tool Name:IAE 3M14229 Clamping fixture
Manufacturer Code:LOCAL
Tool Number:Spot welding machine
Tool Name:Spot welding machine
Manufacturer Code:LOCAL
Tool Number:Vernier caliper
Tool Name:Vernier caliper