TASK 72-50-24-300-018 LPT Inner Diffuser Duct Support - Weld Repair The Duct Stop, Repair-018 (VRS4124)

DMC:V2500-A0-72-50-2402-00A-627A-C|Issue No:001.00|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 72-50-24-300-018 LPT Inner Diffuser Duct Support - Weld Repair The Duct Stop, Repair-018 (VRS4124)

Effectivity

FIG/ITEM

PART NO.

01-100

3A0104

01-100

3A1564

Material of component

PART IDENT

SYMBOL

MATERIAL

Support Diffuser, Inner

2.4650.7 or MTS 1155B

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 reair, refer to the SPM TASK 70-11-34-300-503, SPM TASK 70-23-05-230-501 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

NONE

Consumables, Materials and Expendables

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

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-24-140-051 Clean the Support Diffuser, Inner

      1. Clean the welded surfaces.

      1. Use silicon carbide rag or same.

    2. SUBTASK 72-50-24-230-080 Examine the Welded Surfaces for Cracks

      1. Do the test for cracks.

      1. Refer to the SPM TASK 70-23-05-230-501.

        No cracks are permitted.

    3. SUBTASK 72-50-24-110-095 Clean the Support Diffuser, Inner

      1. Aqueous degrease.

      1. Refer to the SPM TASK 70-11-34-300-503.

    4. SUBTASK 72-50-24-310-060 Weld Repair the Support Diffuser, Inner

      1. Tungsten inert gas build up weld the two sides of the duct stop.

    5. SUBTASK 72-50-24-210-054 Examine the Weld

      1. Examine the weld areas.

      1. Make sure that the welds are applied correctly.

        Refer to the SPM TASK 70-31-13-310-501 and Figure.

    6. SUBTASK 72-50-24-325-070 Machine the Duct Stop of the Support Diffuser, Inner

      1. Machine the duct stop.

      1. Refer to Figure for dimensions.

    7. SUBTASK 72-50-24-370-056 Heat Treat after Weld Repair

      1. Heat treat the part.

      1. Put it in an oven for 8 hours at 1472 deg F (800 deg C).

        Cool in air until part can be handled.

    8. SUBTASK 72-50-24-220-133 Do the Post Repair Inspection

      1. Examine machined areas dimensionally.

      1. Refer to Figure.

    9. SUBTASK 72-50-24-230-081 Examine the Welded Surfaces for Cracks

      1. Do the test for cracks.

      1. Refer to the SPM TASK 70-23-05-230-501.

        No cracks are permitted.

    10. Figure: Weld inner duct stop at the support diffuser, inner

    Sheet 1

    Legend
    Weld inner duct stop at the support diffuser, inner

    Sheet 1

    Close

    Figure: Weld inner duct stop at the support diffuser, inner

    Sheet 2

    Legend
    Weld inner duct stop at the support diffuser, inner

    Sheet 2

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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