TASK 72-50-25-300-025 LPT Outer Diffuser Support - Plasma Spray The Inner Front Flange, Repair-025 (VRS4402)

DMC:V2500-A0-72-50-2502-02A-609A-C|Issue No:003.00|Issue Date:2019-11-01

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 72-50-25-300-025 LPT Outer Diffuser Support - Plasma Spray The Inner Front Flange, Repair-025 (VRS4402)

Effectivity

FIG/ITEM

PART NO.

01-010

3A0084

Material of component

PART IDENT

SYMBOL

MATERIAL

LP Outer diffuser support

MTS1155B (C 263)

General

Price and availability

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

Before you do the repair, remove clinch nuts, refer to VRS4142, TASK 72-50-25-300-005 (REPAIR-005)

After the repair is complete, replace clinch nuts, refer to VRS4142, TASK 72-50-25-300-005 (REPAIR-005)

NOTE

  1. For more equipment and materials necessary to do this repair, refer to the SPM TASKS given below:

    70-09-00-400-501

    70-11-34-300-503

    70-23-05-230-501

    70-34-03-340-501

  2. 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
Chemical cleaning facilityLOCALChemical cleaning facility
Crack inspection equipmentLOCALCrack inspection equipment
Machining facilityLOCALMachining facility
Table inspection facilityLOCALTable inspection facility
Thermal spraying facilityLOCALThermal spraying facility
Marking equipmentLOCALMarking equipment
IAE 3M14514 Machining fixture0AM53IAE 3M145141
IAE 3M14515 Plasma spray fixture0AM53IAE 3M145151
DELETEDDELETED

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-047 TAPE, HEAT REFLECTIVE52152CoMat 02-047
CoMat 02-050 HIGH TEMPERATURE GLASS CLOTH TAPE76381CoMat 02-050
CoMat 03-096 PLASMA SPRAY POWDERLOCALCoMat 03-096
CoMat 05-046 ALUMINUM OXIDE GRIT62596CoMat 05-046
CoMat 05-047 DELETED0AM53CoMat 05-047

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-25-325-057 Machine the Inner Front Flange

      NOTE

      If the inner front flange was plasma spray repaired before, remove the old coating fully.

      1. Machine the inner front flange to remove damage.

      1. Remove old coating and damage fully.

        Keep material removal to the minimum to allow subsequent repairs.

    2. SUBTASK 72-50-25-220-128 Examine the Machined Surfaces

      1. Examine dimensionally.

      1. Refer to Figure and Figure.

    3. SUBTASK 72-50-25-230-078 Examine the Machined Surfaces for Cracks

      1. Do the test for cracks.

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

        Use medium sensitivity level.

        No cracks are permitted.

    4. SUBTASK 72-50-25-110-074 Clean the Outer Diffuser Support

      1. Aqueous degrease.

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

    5. SUBTASK 72-50-25-340-060 Prepare Surfaces for the Plasma Spray Procedure

      1. Mask the areas A3.

      1. Make sure that the surfaces have full protection.

        Refer to Figure and Figure.

      2. Grit blast the area A1.

      1. Use CoMat 05-046 ALUMINUM OXIDE GRIT or CoMat 05-047 DELETED. Surface texture must be 120 to 200 microinch RMS (3.0 to 5.0 micrometer Ra).

        Blasting in area A2 and area A4 is permitted.

        Refer to Figure and Figure.

        Refer to the SPM TASK 70-34-03-340-501.

      3. Replace the masking if necessary.

      1. Replace the damaged masking.

        Do not touch or bring unwanted material on the blasted area.

    6. SUBTASK 72-50-25-340-061 Plasma Spray the Prepared Surfaces

      1. Plasma spray the area A1.

      1. Use IAE 3M14515 Plasma spray fixture 1 off.

        Coating in area A2 is permitted if it was blasted before and is not completed.

        Coating in area A4 is permitted if it was blasted before and removed afterwards.

        Refer to Figure and Figure. Make sure that there is sufficient material to do last machining.

        Refer to the SPM TASK 70-34-03-340-501.

    7. SUBTASK 72-50-25-340-062 Remove the Protection from the Masked Surfaces

      1. Remove the masking.

      1. Remove all the tape.

    8. SUBTASK 72-50-25-325-058 Machine the Coated Areas

      1. Machine the coated areas.

      1. Refer to the SPM TASK 70-34-03-340-501.

        Refer to Figure for dimensions.

      2. Remove the coating from area A4.

      1. Machine to remove the coating. If coating can not be removed fully because of dimensional limits, remaining coating is permitted.

        Refer to Figure, Figure, and Figure for dimensions.

    9. SUBTASK 72-50-25-110-075 Clean the Outer Diffuser Support

      1. Aqueous degrease

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

    10. SUBTASK 72-50-25-220-129 Do the Post Repair Inspection

      1. Dimensionally examine the machined areas.

      1. Refer to Figure for dimensions.

      2. Examine the coating.

    11. SUBTASK 72-50-25-380-055 Make a Mark to Identify the Repair

      1. Vibropeen VRS4402 and applicable beehive symbol adjacent to the part number.

      1. Refer to the SPM TASK 70-09-00-400-501.

    12. Figure: Dimensions for outer diffuser support inner front flange plasma spray repair

    Dimensions for outer diffuser support inner front flange plasma spray repair

    Figure: Dimensions and areas for outer diffuser support inner front flange plasma spray repair

    Dimensions and areas for outer diffuser support inner front flange plasma spray repair

    Figure: Dimensions for outer diffuser support inner front flange plasma spray repair

    Dimensions for outer diffuser support inner front flange plasma spray repair

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised tool reference. Deleted tool. Revised tool nomenclature. Revised consumable nomenclature. (Editorial)

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:52152
Enterprise Name:3M COMPANY
BU Name:3M CENTER
Department:INDUSTRIAL TAPE AND SPECIALTIES DIV.
Street:BUILDING 220-7W-03
City:ST. PAUL
State:MN
Zip Code:55144-1000
Country:USA
Phone Number:1-651-733-1110, 1-800-362-3550, 1-800-223-7427
Fax Number:1-651-737-4380
Internet:www.mmm.com, www.3m.com
Manufacturer Code:62596
Enterprise Name:MICRO ABRASIVES CORPORATION
BU Name:MICRO ABRASIVES CORPORATION
Street:720 SOUTHAMPTON RD
P.O. Box:669
City:WESTFIELD
State:MA
Zip Code:01085-0669
Country:USA
Phone Number:1-413-562-3641
Fax Number:1-413-562-7409
Internet:www.microgrit.com
Manufacturer Code:76381
Enterprise Name:3M COMPANY
BU Name:3M COMPANY
Department:3M CENTER
City:ST PAUL
State:MN
Zip Code:55144-1000
Country:USA
Phone Number:1-651-733-1110
Fax Number:1-651-733-9973
Internet:www.mmm.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X222X
Supply Number:CoMat 02-047
Type:sp01
Supply Short Name:CoMat 02-047 TAPE, HEAT REFLECTIVE
Supply Name:CoMat 02-047 TAPE, HEAT REFLECTIVE
Specification Groups:
Doc NumberType
If CoMat 02- 047 is specified with no suffix, use one of the CoMat 02-047 letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 02-050
Type:sp01
Supply Short Name:CoMat 02-050 HIGH TEMPERATURE GLASS CLOTH TAPE
Supply Name:CoMat 02-050 HIGH TEMPERATURE GLASS CLOTH TAPE
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Supply Number:CoMat 03-096
Type:sp01
Supply Short Name:CoMat 03-096 PLASMA SPRAY POWDER
Supply Name:CoMat 03-096 PLASMA SPRAY POWDER
Specification Groups:
Doc NumberType
AMPERIT 298.442 OR AMPERIT 299.442
Suppliers:
ManufacturerRemarks
LOCAL
IAE15
IE252
Manufacturer Code:62596
Supply Number:CoMat 05-046
Type:sp01
Supply Short Name:CoMat 05-046 ALUMINUM OXIDE GRIT
Supply Name:CoMat 05-046 ALUMINUM OXIDE GRIT
Specification Groups:
Doc NumberType
ALUMINUM OXIDE NO. 60
Suppliers:
ManufacturerRemarks
62596
Manufacturer Code:0AM53
Supply Number:CoMat 05-047
Type:sp01
Supply Short Name:CoMat 05-047 DELETED
Supply Name:CoMat 05-047 DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning facility
Tool Name:Chemical cleaning facility
Manufacturer Code:LOCAL
Tool Number:Crack inspection equipment
Tool Name:Crack inspection equipment
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3M14514
Tool Name:IAE 3M14514 Machining fixture
Manufacturer Code:0AM53
Tool Number:IAE 3M14515
Tool Name:IAE 3M14515 Plasma spray fixture
Manufacturer Code:LOCAL
Tool Number:Machining facility
Tool Name:Machining facility
Manufacturer Code:LOCAL
Tool Number:Marking equipment
Tool Name:Marking equipment
Manufacturer Code:LOCAL
Tool Number:Table inspection facility
Tool Name:Table inspection facility
Manufacturer Code:LOCAL
Tool Number:Thermal spraying facility
Tool Name:Thermal spraying facility