TASK 72-50-24-300-039 LPT Inner Diffuser Duct Support Ring - Plasma Spray The Rear Face, Repair-039 (VRS4309)

DMC:V2500-A0-72-50-2403-01A-609A-C|Issue No:006.00|Issue Date:2018-02-01

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 72-50-24-300-039 LPT Inner Diffuser Duct Support Ring - Plasma Spray The Rear Face, Repair-039 (VRS4309)

Effectivity

FIG/ITEM

PART NO.

01-170

3A1560

01-170

3A2523

Material of component

PART IDENT

IAE SYMBOL

MATERIAL

Support ring assembly

-

C263

General

Price and availability - none

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

Make sure that the necessary cleaning and inspection procedures are done before this repair.

NOTE

For more equipment and materials necessary to do this repair, refer to the SPM TASK 70-09-00-400-501, SPM TASK 70-11-34-300-503, 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.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Turning latheLOCALTurning lathe
Grinding machineLOCALGrinding machine

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 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINEDK026CoMat 03-066
CoMat 05-046 ALUMINUM OXIDE GRIT62596CoMat 05-046

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-24-325-082 Machine the Rear Face

    1. Refer to Figure.

      2. NOTE

        If necessary machine diameter D1.

        Machine the surface.

      1. Remove old coating and damage fully.

        Keep material removal to the minimum.

        Use turning lathe or grinding machine.

        NOTE

        If the old coating and damage can not be removed fully with this repair, refer to VRS4531 TASK 72-50-24-300-057 (TASK 72-50-24, REPAIR 057).

    2. SUBTASK 72-50-24-220-152 Examine Machined Surface

      1. Examine dimensionally.

      1. Refer to Figure.

    3. SUBTASK 72-50-24-230-089 Examine the Machined Surface for Cracks

      1. Do the test for cracks.

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

        Use medium sensitivity level.

        Cracks are not permitted.

    4. SUBTASK 72-50-24-110-124 Clean the Support Ring Assembly

      1. Aqueous degrease.

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

    5. SUBTASK 72-50-24-340-084 Prepare the Surfaces for the Plasma Spray Procedure

    1. Refer to Figure.

      2. Mask the areas A3.

      1. Make sure that the surfaces have full protection.

      3. Grit blast the area A1.

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

        Blasting in areas A2 is permitted.

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

      4. Change the masking if necessary.

      1. Replace the damaged masking.

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

    6. SUBTASK 72-50-24-340-088 Plasma Spray the Prepared Surfaces

      1. Plasma spray the area A1.

      1. Coating in areas A2 is permitted if it was blasted before and may be incomplete, refer to Figure and the SPM TASK 70-34-03-340-501.

        In area A1 coating thickness must be 0.006 to 0.010 in. (0.15 to 0.25 mm).

      2. Examine the coating.

      1. Refer to the SPM TASK 70-34-03-340-501-002 for acceptance standards.

    7. SUBTASK 72-50-24-340-089 Remove the Protection from the Masked Areas

      1. Remove the masking.

      1. Remove all the tape.

    8. SUBTASK 72-50-24-325-083 Machine the Coated Area

    1. Refer to Figure.

      2. Grind the coated area if necessary.

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

        Use a grinding machine.

    9. SUBTASK 72-50-24-110-126 Clean the Support Ring Assembly

      1. Aqueous degrease.

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

    10. SUBTASK 72-50-24-220-153 Do the Post Repair Inspection

      1. Dimensionally examine the machined areas.

      1. Refer to Figure.

      2. Visually examine the coating.

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

    11. SUBTASK 72-50-24-350-076 Make a Mark to Identify the Repair

      1. Vibropeen VRS4309 adjacent to the part number.

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

    12. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Fixed wording for VRS 4309 C2. (EC 97VM515D)

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:DK026
Enterprise Name:STARCK GMBH AND CO KG
BU Name:STARCK GMBH AND CO KG
Street:IM SCHLEEKE 78-91
City:38642 GOSLAR
Country:GERMANY
Phone Number:49-5321-7510
Fax Number:49-5321-7516 192
Internet:www.hcstarck.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:DK026
Supply Number:CoMat 03-066
Type:sp01
Supply Short Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Supply Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Specification Groups:
Doc NumberType
AMS 7875 (PW REF)AMPERIT 585.435
Suppliers:
ManufacturerRemarks
DK026
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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Turning lathe
Tool Name:Turning lathe