TASK 72-50-25-300-003 LPT Outer Diffuser Support - Plasma Spray, Repair-003 (VRS4140)

DMC:V2500-A0-72-50-2502-01A-609A-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 72-50-25-300-003 LPT Outer Diffuser Support - Plasma Spray, Repair-003 (VRS4140)

Effectivity

FIG/ITEM

PART NO.

01-010

3A0084

Material of component

IAE

DESCRIPTION

SYMBOL

MATERIAL

Outer support diffuser

C 263

General

Price and availability - none

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

Before you do the repair, remove locating key, refer to VRS4143 TASK 72-50-25-300-006.

After the repair is complete, replace locating key, refer to VRS4143 TASK 72-50-25-300-006.

NOTE

For more equipment and materials necessary to do this repair, refer to the SPM TASK 70-09-00-400-501, SPM TASK 70-11-01-300-503, SPM TASK 70-23-05-230-501 and SPM TASK 70-34-03-340-501.
Equivalent equipment may be used.

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Vertical turning latheLOCALVertical turning lathe
Plasma spray equipmentLOCALPlasma spray equipment
IAE 3M14283 Turning fixture0AM53IAE 3M142831

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 03-089 METAL SPRAYING POWDER Ni/Al (95/5)00741CoMat 03-089
CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5)0AM53CoMat 03-090
CoMat 05-046 ALUMINUM OXIDE GRIT62596CoMat 05-046

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-25-325-053 Machine Worn Radial Dimension D1

      NOTE

      If the hook locating diameter was plasma spray repaired before, remove old coating fully.

      1. Machine the radial diameter D1.

      1. Use vertical turning lathe and IAE 3M14283 Turning fixture 1 off.

        Refer to Figure.

        Remove old coating and damage fully. Keep material removal to the minimum to allow subsequent repairs.

    2. SUBTASK 72-50-25-220-078 Examine Machined Dimensions

      1. Dimensionally examine diameter D1.

      1. Refer to Figure for dimensions.

    3. SUBTASK 72-50-25-230-058 Exmaine the Outer Diffuser Support for Cracks

      1. Do the test for cracks.

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

        No cracks are permitted.

    4. SUBTASK 72-50-25-110-057 Clean the Outer Diffuser Support

      1. Vapor degrease.

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

    5. SUBTASK 72-50-25-340-054 Prepare Surfaces for the Plasma Spray Procedure

      1. Mask the areas A3.

      1. Make sure that the surfaces have full protection.

        Refer to Figure.

      2. Grit blast the area A1.

      1. Surface texture must be 120 to 200 microinch RMS (3.0 to 5.0 micrometer Ra).

        Blasting in area A2 is permitted.

        Refer to 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 72-50-25-340-055 Plasma Spray the Prepared Surfaces

      1. Plasma spray the area A1.

      1. Overspray in area A2 is permitted, refer to Figure.

        Make sure that there is sufficient material sprayed on to do last machining.

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

        Use plasma spray equipment.

    7. SUBTASK 72-50-25-340-056 Remove the Protection from the Masked Surfaces

      1. Remove all masking.

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

        No masking is permitted.

    8. SUBTASK 72-50-25-110-058 Clean the Outer Diffuser Support

      1. Vapor degrease.

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

    9. SUBTASK 72-50-25-325-054 Machine the Coated Areas

      1. Machine coated areas and chamfer.

      1. Refer to dimensions shown in Figure and the SPM TASK 70-34-03-340-501.

        Use vertical turning lathe and IAE 3M14283 Turning fixture 1 off.

    10. SUBTASK 72-50-25-110-059 Clean the Outer Diffuser Support

      1. Vapor degrease.

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

    11. SUBTASK 72-50-25-220-079 Examine the Machined Areas

      1. Dimensionally examine.

      1. Refer to Figure.

      2. Examine coating.

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

    12. SUBTASK 72-50-25-350-057 Make a Mark to Identify the Repair

      1. Vibropeen VRS4140 and applicable beehive symbol adjacent to the part number.

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

    13. Figure: Plasma spray front lip diameter, outer diffuser support (01-010)

    Plasma spray front lip diameter, outer diffuser support (01-010)

    Figure: Plasma spray front lip diameter, outer diffuser support (01-010)

    Plasma spray front lip diameter, outer diffuser support (01-010)

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Manufacturer Code:00741
Enterprise Name:Was BOC GASES
BU Name:DELETED, REFER TO SUPPLIER CODE 46AN7
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:33870
Supply Number:CoMat 03-089
Type:sp01
Supply Short Name:CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)
Supply Name:CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)
Specification Groups:
Doc NumberType
PWA 1337 (PW REF)NI-109 or NI-970 or AI 1037
Suppliers:
ManufacturerRemarks
33870
Manufacturer Code:X111X
Supply Number:CoMat 03-090
Type:sp01
Supply Short Name:CoMat 03-090 METAL SPRAYING POWDER Ni/Al(95/5)
Supply Name:CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5)
Specification Groups:
Doc NumberType
DELETED Use CoMat 03-089
Suppliers:
ManufacturerRemarks
X111X
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
Tool Number:IAE 3M14283
Tool Name:IAE 3M14283 Turning fixture
Manufacturer Code:LOCAL
Tool Number:Plasma spray equipment
Tool Name:Plasma spray equipment
Manufacturer Code:LOCAL
Tool Number:Vertical turning lathe
Tool Name:Vertical turning lathe