TASK 72-44-10-300-019 HPT Stage 1 Support Assembly - Weld Repair Of Inner Wall/Flange Fretting, Repair-019 (VRS3559)

DMC:V2500-A0-72-44-1001-00A-627A-C|Issue No:006.00|Issue Date:2019-08-01

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 72-44-10-300-019 HPT Stage 1 Support Assembly - Weld Repair Of Inner Wall/Flange Fretting, Repair-019 (VRS3559)

Effectivity

FIG/ITEM

PART NO.

01-010

2A1292

01-010

2A1358

01-010

2A1664

01-010

2A2703

01-010

2A3360

01-010

2A4027

01-010

2A3367

01-010

2A3896

01-010

2A4085

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 1 HPT support

-

Nickel Alloy

General

Price and availability - refer to IAE.

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

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

You must remove the stage 1 HPT seal from the stage 1 HPT support assembly to do this repair. Refer to TASK 72-44-10-040-001 (DISASSEMBLY-001).
Remove support flange nuts. Refer to Repair, VRS3272 TASK 72-44-10-300-002 (REPAIR-002).
Additionally, for PN 2A4085 remove the brush seal. Refer to Repair, VRS3771 TASK 72-44-10-300-027 (REPAIR-027).
If there is a plasma coat, remove the plasma coat from the outside diameter bolt flange rear snap diameter. Refer to Repair, VRS3129 TASK 72-44-10-300-007 (REPAIR-007).
If there is a plasma coat, remove the plasma coat from the outside diameter bolt flange front snap diameter. Refer to Repair, VRS3270 TASK 72-44-10-300-008 (REPAIR-008).
Additionally, for PN 2A4085 remove the plasma coat from the rear flange inner face. Refer to Repair, VRS3766 TASK 72-44-10-300-025 (REPAIR-025).

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Portablegrinding equipmentLOCALPortable grinding equipment
Welding equipmentLOCAL
Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-263 GRINDING WHEELLOCALCoMat 02-263
CoMat 03-284 WELDING FILLER WIRE, NiBASELOCALCoMat 03-284

Spares

NONE

Safety Requirements

CAUTION

MAKE SURE THAT DIAMETER J IN PN 2A1358, 2A1664, 2A2703, 2A3360, 2A3367, 2A3896 AND 2A4085 IS OFFSET BY 0.010 IN. (0.25 MM).

Procedure

    1. SUBTASK 72-44-10-120-055 Clean the Worn/Fretted Repair Areas of Stage 1 HPT Support

    1. Refer to Figure, Figure and Figure.

      2. Clean the repair areas.

      1. Use grit blast, refer to SPM TASK 70-12-09-120-501.

      3. Solvent wipe the repair areas.

      1. Refer to SPM TASK 70-11-26-300-503 before weld.

    2. SUBTASK 72-44-10-310-051 Weld Buildup the Repair Areas of the Stage 1 HPT Support

      1. Weld buildup the repair surfaces.

        1. Use manual gas tungsten arc method.

        3. It is recommended that a cooled copper chill block be used to minimize distortion during welding.

    3. SUBTASK 72-44-10-320-060 Blend/Machine Repaired Surfaces

    1. NOTE

      Use appropriate fixture to hold the part to prevent distortion.

      Blend or machine the repaired surfaces flush with parent material.

    4. SUBTASK 72-44-10-230-062 Fluorescent Penetrant inspect the Stage 1 HPT Support

      1. Fluorescent Penetrant Inspect the support.

    5. SUBTASK 72-44-10-370-051 Heat Treat the Stage 1 HPT Support

      1. Heat treat the Stage 1 HPT support.

      1. Refer to SPM TASK 70-37-01-370-501.

    6. SUBTASK 72-44-10-220-140 Inspect the Stage 1 HPT Support

    1. Refer to Figure, Figure, Figure and Figure.

    2. Dimensionally inspect the support per the requirements of referenced figures.

      3. Fluorescent Penetrant inspect the support.

    7. SUBTASK 72-44-10-440-052 Postrequisite

      1. Reinstall or replace the Stage 1 HPT support flange nuts.

      1. Refer to Repair, VRS3272 TASK 72-44-10-300-002 (REPAIR-002).

      2. Reassemble the Stage 1 seal onto the Stage 1 HPT support.

      1. Refer to TASK 72-44-10-440-001 (ASSEMBLY).

      3. If plasma coat was removed, apply plasma coat on the outside diameter bolt flange rear snap diameter.

      1. Refer to Repair, VRS3129 TASK 72-44-10-300-007 (REPAIR-007).

      4. If plasma coat was removed, apply plasma coat on the outside diameter bolt flange front snap diameter.

      1. Refer to Repair, VRS3270 TASK 72-44-10-300-008 (REPAIR-008).

      5. Additionally, for PN2A4085 apply plasma coat on the rear flange inner face.

      1. Refer to Repair, VRS3766 TASK 72-44-10-300-025 (REPAIR-025).

      6. Additionally, for PN2A4085 replace the brush seal.

      1. Refer to Repair, VRS3771 TASK 72-44-10-300-027 (REPAIR-027).

    8. Figure: Repair Details and Dimensions (PN2A1292, 2A1358 and 2A1664)

    Sheet 1

    Legend
    Repair Details and Dimensions (PN2A1292, 2A1358 and 2A1664)

    Sheet 1

    Close

    Figure: Repair Details and Dimensions (PN 2A1358 and 2A1664)

    Sheet 2

    Legend
    Repair Details and Dimensions (PN 2A1358 and 2A1664)

    Sheet 2

    Close

    Figure: Repair Details and Dimensions (PN 2A1292)

    Sheet 3

    Legend
    Repair Details and Dimensions (PN 2A1292)

    Sheet 3

    Close

    Figure: Repair Details and Dimensions (PN 2A2703, 2A4027, 2A3360, 2A3367 and 2A3896)

    Sheet 1

    Legend
    Repair Details and Dimensions (PN 2A2703, 2A3360, 2A3367 and 2A3896)

    Sheet 1

    Close

    Figure: Repair Details and Dimensions (PN 2A2703, 2A3360, 2A4027, 2A3367 and 2A3896)

    Sheet 2

    Legend
    Repair Details and Dimensions (PN 2A2703, 2A3360, 2A3367 and 2A3896)

    Sheet 2

    Close

    Figure: Repair Details Stagand Dimensions (PN 2A4085)

    Sheet 1

    Legend
    Repair Details Stagand Dimensions (PN 2A4085)

    Sheet 1

    Close

    Figure: Repair Details and Dimensions (PN 2A4085)

    Sheet 2

    Legend
    Repair Details and Dimensions (PN 2A4085)

    Sheet 2

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised figures. (18VC601)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 02-263
Type:sp01
Supply Short Name:CoMat 02-263 GRINDING WHEEL
Supply Name:CoMat 02-263 GRINDING WHEEL
Specification Groups:
Doc NumberType
A80-OB11/STRAIGHT (TYPE 1) AW125M
Suppliers:
ManufacturerRemarks
LOCAL
06565
44197
Manufacturer Code:LOCAL
Supply Number:CoMat 03-284
Type:sp01
Supply Short Name:CoMat 03-284 WELDING FILLER WIRE, Ni BASE
Supply Name:CoMat 03-284 WELDING FILLER WIRE, NiBASE
Specification Groups:
Doc NumberType
INCONEL 718 AMS 5832 AWS 5.14 MSRR9500/220
INCONEL 718 AMS 5832 AWS 5.14CLASS ER NI FE Cr-2 OMAT:3/206
INCONEL 718 AMS 5832 AWS 5.14CLASS ER NI FE Cr-2
Suppliers:
ManufacturerRemarks
LOCAL
28553
IE137
08489
IE508
0ZDB5
2R602
55596
58401
80357
K6835
Manufacturer Code:LOCAL
Tool Number:Portable grinding equipment
Tool Name:Portablegrinding equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment
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