TASK 72-50-25-300-004 LPT Outer Diffuser Support - Replace The Sealing Strip, Repair-004 (VRS4141)

DMC:V2500-A0-72-50-2502-00A-920A-C|Issue No:003.00|Issue Date:2015-08-01

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 72-50-25-300-004 LPT Outer Diffuser Support - Replace The Sealing Strip, Repair-004 (VRS4141)

Effectivity

FIG/ITEM

PART NO.

01-010

3A0084

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Support-Assy, Diffuser outer

MTS 1155B or

strip seal

2.4665.1

General

Price and availability - none

The practices and processes referred to in the procedure by the TASK number are in the SPM.

NOTE

For equipment and materials necessary to do this repair refer to the SPM TASK 70-23-05-230-501, SPM TASK 70-11-01-300-503, SPM TASK 70-31-10-310-501 and SPM TASK 70-31-13-310-501.
Equivalent equipment may be used.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Hand held grinderLOCALHand held grinder

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-184 WELDING FILLER WIRE, NICKELLOCALCoMat 03-184

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Strip Seal3A00881

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-25-320-054 Remove Damaged Sealing Strip

      1. Machine off the sealing strip.

      1. Refer to Figure.

        Do not overheat component if hand held grinder is used.

        Do not remove basic material.

        The machined surface must be smooth and flat.

    2. SUBTASK 72-50-25-220-099 Examine Local Surfaces after Removal of Sealing Strip

      1. Visually examine.

      1. No remaining weld is permitted.

    3. SUBTASK 72-50-25-230-063 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.

    4. SUBTASK 72-50-23-110-062 Clean the Outer Diffuser Assembly Support

      1. Vapor degrease.

      1. Refer to the SPM TASK 70-11-01-300-503.

    5. SUBTASK 72-50-25-310-052 Weld the New Sealing Strip into Position

      1. Tungsten inert gas and resistance weld the sealing strip into position.

      1. Clamp the sealing strip into position.

    6. SUBTASK 72-50-25-220-100 Do the Post Repair Inspection

      1. Dimensionally examine.

      1. Refer to Figure.

      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.

    7. SUBTASK 72-50-25-230-064 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.

    8. SUBTASK 72-50-25-110-063 Clean the Outer Diffuser Assembly Support

      1. Vapor degrease.

      1. Refer to the SPM TASK 70-11-01-300-503.

    9. Figure: Replace the Sealing Strip of the LP Turbine Outer Static Seals

    Replace the Sealing Strip of the LP Turbine Outer Static Seals

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised note to remove "materials or". (PSAF 15VC314)

Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:0XPV7
Supply Number:CoMat 03-184
Type:sp01
Supply Short Name:CoMat 03-184 WELDING FILLER WIRE, NICKEL
Supply Name:CoMat 03-184 WELDING FILLER WIRE, NICKEL
Specification Groups:
Doc NumberType
MSRR9500/16C-263
OMAT:3/62C-263
Suppliers:
ManufacturerRemarks
0XPV7
28553
2R602
80357
IE306
K6970
Manufacturer Code:LOCAL
Tool Number:Hand held grinder
Tool Name:Hand held grinder