TASK 72-41-31-300-006 HPC Stage 4 Rotor Path Segment - Replace The Linings, Repair-006 (VRS6243)

DMC:V2500-A0-72-41-3114-00A-920A-C|Issue No:002.00|Issue Date:2018-05-01

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 72-41-31-300-006 HPC Stage 4 Rotor Path Segment - Replace The Linings, Repair-006 (VRS6243)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

01-690

6A3531

A

01-690

6A4348

B

01-690

6A7470

B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP compressor stage 4 rotor path ring (Assembly A)

LAH

Aluminum alloy

HP compressor stage 4 rotor path ring (Assembly B)

EAK or EBL

Jethete M152

General

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

After this repair the rotor path will be completed during assembly.

Price and availability

Refer to International Aero Engines.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 3R18734 Turning fixture0AM53IAE 3R187341
IAE 3R19161 Turning fixture0AM53IAE 3R19161

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-036 METAL SPRAYING WIRE, Ni,AlLOCALCoMat 03-036
CoMat 03-057 ALUMINIUM ALLOY/POLYESTERCOMPOSITELOCALCoMat 03-057
CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)00741CoMat 03-089
CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5)LOCALCoMat 03-090
DELETEDLOCALDELETED

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-31-110-091 Chemically Clean

      1. Chemically clean.

      1. Refer to TASK 72-41-31-100-000 (CLEANING-000).

    2. SUBTASK 72-41-31-230-090 Do a Crack Test

      1. Do a crack test.

      1. Refer to TASK 72-41-31-200-000 (INSPECTION-000).

    3. SUBTASK 72-41-31-325-053-A00 Remove the Abradable Lining and Bond Coat, Assembly A

    1. Refer to Figure and Figure. Remove the abradable lining and bond coat by either Step or Step.

    2. Machine to remove the abradable lining and bond coat. Use IAE 3R18734 Turning fixture or equivalent. Refer to Section 70-34-00, TASK 70-34-01-340-501 in the V2500 Standard Practices Manual, 2A4414.

    3. Remove the abradable lining and bond coat using high pressure water blasting. Use a locally manufactured fixture. Refer to Section 70-15-00, TASK 70-15-01-160-501 in the V2500 Standard Practices Manual, 2A4414.

    4. SUBTASK 72-41-31-325-053-B00 Remove the Abradable Lining and Bond Coat, Assembly B

    1. Refer to Figure and Figure. Remove the abradable lining and bond coat by either Step or Step.

    2. Machine to remove the abradable lining and bond coat. Use IAE 3R19161 Turning fixture or equivalent. Refer to Section 70-34-00, TASK 70-34-01-340-501 in the V2500 Standard Practices Manual, 2A4414.

    3. Remove the abradable lining and bond coat using high pressure water blasting. Use a locally manufactured fixture. Refer to Section 70-15-00, TASK 70-15-01-160-501 in the V2500 Standard Practices Manual, 2A4414.

    5. SUBTASK 72-41-31-220-140-A00 Examine the Stage 4 Rotor Path Ring, Assembly A

    1. Refer to Figure and Figure.

    2. Visually examine and measure the dimensions of the repaired area.

    6. SUBTASK 72-41-31-220-140-B00 Examine the Stage 4 Rotor Path Ring, Assembly B

    1. Refer to Figure and Figure.

    2. Visually examine and measure the dimensions of the repaired area.

    7. SUBTASK 72-41-31-110-069 Clean the Stage 4 Rotor Path Ring

      1. Chemically clean.

      1. Refer to the SPM TASK 70-11-03-300-503.

    8. SUBTASK 72-41-31-350-073-A00 Mask the Areas not to be Sprayed, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Mask the areas not to be sprayed.

      1. Refer to the SPM TASK 70-34-18-380-501.

    9. SUBTASK 72-41-31-350-073-B00 Mask the Areas not to be Sprayed, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Mask the areas not to be sprayed.

      1. Refer to the SPM TASK 70-34-18-380-501.

    10. SUBTASK 72-41-31-120-058 Prepare the Areas to be Sprayed

      1. Prepare the Areas to be Sprayed.

      1. Refer to the SPM TASK 70-34-18-380-501.

    11. SUBTASK 72-41-31-340-054-A00 Apply the Abradable Lining, Assembly A

    1. Refer to Figure and Figure.

      2. Apply the bond coat.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-025 or SUBTASK 70-34-01-340-010.

      2. For powder feed plasma spray gun, use CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5).

      3. Alternatively for the wire feed combustion spraying, use CoMat 03-036 METAL SPRAYING WIRE, Ni,Al.

      4. Pre heat the seal ring to 221 deg F to 257 deg F (105 deg C to 125 deg C).

      3. Apply the abradable lining.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-020.

      3. Spray a sufficient thickness to allow for machining.

      4. Also spray a test piece to check the spray hardness.

      4. After the coat is applied and the part is cool, remove the mask. Remove the task residue.

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

    12. SUBTASK 72-41-31-340-054-B00 Apply the Abradable Lining, Assembly B

    1. Refer to Figure and Figure.

      2. Apply the bond coat.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-025 or SUBTASK 70-34-01-340-010.

      2. For powder feed plasma spray gun, use CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5).

      3. Alternatively for the wire feed combustion spraying, use CoMat 03-036 METAL SPRAYING WIRE, Ni,Al.

      4. Pre heat the seal ring to 221 deg F to 257 deg F (105 deg C to 125 deg C).

      3. Apply the abradable lining.

        1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-020.

        2. Spray a sufficient thickness to allow for machining.

        3. Also spray a test piece to check the spray hardness.

      4. After the coat is applied and the part is cool, remove the mask. Remove the task residue.

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

    13. SUBTASK 72-41-31-220-141-A00 Examine the Stage 4 Rotor Path Lining, Assembly A

    1. Refer to Figure and Figure.

      2. Visually examine the sprayed coating on the ring.

      1. Refer to the SPM TASK 70-34-01-340-501.

    3. Measure the dimensions of the repaired area.

      4. Hardness test the sprayed coating on the test piece.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-004.

      2. Average hardness must be 55 to 85 R15Y, outer limits 50 min, 90 max.

    14. SUBTASK 72-41-31-220-141-B00 Examine the Stage 4 Rotor Path Lining, Assembly B

    1. Refer to Figure and Figure.

      2. Visually examine the sprayed coating on the ring.

      1. Refer to the SPM TASK 70-34-01-340-501.

    3. Measure the dimensions of the repaired area.

      4. Hardness test the sprayed coating on the test piece.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-004.

      2. Average hardness must be 55 to 85 R15Y, outer limits 50 min, 90 max.

    15. SUBTASK 72-41-31-350-075-A00 Remove the Excess Coating, Assembly A

    1. Refer to Figure and Figure.

    2. Remove the excess coating.

    3. Restore the chamfers.

    16. SUBTASK 72-41-31-350-075-B00 Remove the Excess Coating, Assembly B

    1. Refer to Figure and Figure.

    2. Remove the excess coating.

    3. Restore the chamfers.

    17. SUBTASK 72-41-31-325-054-A00 Machine the Abradable Lining, Assembly A

    1. Refer to Figure and Figure.

      2. Assemble the turning fixture on to the lathe and set to turn correctly.

      1. Use IAE 3R18734 Turning fixture or equivalent.

      3. Assemble the rotor path rings to the turning fixture and set to turn correctly.

      1. Make sure the ring is clamped securely.

    4. Turn to the dimensions shown.

    5. Remove the burrs.

    18. SUBTASK 72-41-31-325-054-B00 Machine the Abradable Lining, Assembly B

      NOTE

      Final machining of the adradable lining in this SUBTASK is optional to the final machining in TASK 72-41-30-440-002-A00, SUBTASK 72-41-30-324-052-A00.

    1. Refer to Figure and Figure.

      2. Machine the abradable lining.

      1. Refer to TASK 72-41-30-440-002-A00, SUBTASK 72-41-30-324-052.

    19. SUBTASK 72-41-31-220-142-A00 Examine the Stage 4 Rotor Path Ring, Assembly A

    1. Refer to Figure and Figure.

    2. Visually examine and measure the dimensions of the repaired area.

    20. SUBTASK 72-41-31-220-142-B00 Examine the Stage 4 Rotor Path Ring, Assembly B

    1. Refer to Figure and Figure.

    2. Visually examine and measure the dimensions of the repaired area.

    21. SUBTASK 72-41-31-350-112 Identify the Repair

    1. Refer to Figure.

      2. Make a mark VRS6243 adjacent to the part number.

      1. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

      2. Use vibration peen.

    22. Figure: Repair details and dimensions - Assy A

    Repair details and dimensions - Assy A

    Figure: Repair details and dimensions - Assy B

    Repair details and dimensions - Assy B

    Figure: Repair details and dimensions - Assy A

    Repair details and dimensions - Assy A

    Figure: Repair details and dimensions - Assy B

    Repair details and dimensions - Assy B

    Figure: Repair details and dimensions - Assy A

    Repair details and dimensions - Assy A

    Figure: Repair details and dimensions - Assy B

    Repair details and dimensions - Assy B

    Figure: Repair details and dimensions - Assy A and Assy B

    Repair details and dimensions - Assy A and Assy B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure in its entirety. (16VG002)

Change Type:

Deleted the CoMat 01-025, CoMat 02-019, CoMat 03-038, CoMat 05-001, CoMat 06-022. (16VG002)

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 03-036
Type:sp01
Supply Short Name:CoMat 03-036 METAL SPRAYING WIRE, Ni, Al
Supply Name:CoMat 03-036 METAL SPRAYING WIRE, Ni,Al
Specification Groups:
Doc NumberType
MSRR 9507/101METCO 405 NS
OMAT:3/90MIL-W-6712 NI80
JCR-019
Suppliers:
ManufacturerRemarks
LOCAL
IE103
IE195
IE200
K1030
K6835
39918
Manufacturer Code:LOCAL
Supply Number:CoMat 03-057
Type:sp01
Supply Short Name:CoMat 03-057 ALUMINIUM ALLOY/POLYESTERCOMPOSITE
Supply Name:CoMat 03-057 ALUMINIUM ALLOY/POLYESTERCOMPOSITE
Specification Groups:
Doc NumberType
MSRR9507/15METCO 601NS
OMAT:3/143MIL-P-85856/22
JCR-022MIL-P-85856/22
Suppliers:
ManufacturerRemarks
LOCAL
39918
IE103
IE195
IE200
K1030
K6835
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:LOCAL
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:0AM53
Tool Number:IAE 3R18734
Tool Name:IAE 3R18734 Turning fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19161
Tool Name:IAE 3R19161 Turning fixture