TASK 72-41-14-300-002 HPC Rear Rotating Airseal - Repair The Location Diameter By Metal Spray, Repair-002 (VRS6144)

DMC:V2500-A0-72-41-1400-00A-655A-C|Issue No:002.00|Issue Date:2017-08-01

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 72-41-14-300-002 HPC Rear Rotating Airseal - Repair The Location Diameter By Metal Spray, Repair-002 (VRS6144)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

01-800

6A3305

A

01-800

6A4113

A

01-800

6A4392

B

01-800

6A5869

B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Rear Rotating Airseal

QDY

Waspaloy - Heat Resisting-vac melt

General

This TASK gives the procedure to Repair the Location Diameter on the HP Compressor Rear Rotating Airseal by Metal Spray.

This repair must only be done when the instruction to do so is given in inspection procedures (identified by the applicable part number) located in section 72-41-14.

Where reference is made to a SUBTASK within a TASK in the form "TASK, SUBTASK" the operator must read and apply the complete TASK. The SUBTASK is listed only when the TASK gives options for the processing of the component. The specified SUBTASK instructs what option must be used during a application of the TASK for the successful completion of the Repair Scheme VRS6144.

TASKS identified by SPM TASK are in the Standard Practices Manual (SPM).

Price and availability

Refer to International Aero Engines

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in TASKS given below:
SPM TASK 70-09-00-400-501
SPM TASK 70-11-01-300-503
SPM TASK 70-12-02-120-501
SPM TASK 70-22-00-220-501
SPM TASK 70-23-04-300-501
SPM TASK 70-32-00-320-501
SPM TASK 70-34-01-340-501

NOTE

It is possible that some materials in the Consumable Materials chart cannot be used for some or all of the necessary applications. Before you use the materials, make sure the types, quantities and applications of the materials necessary are legally permitted in your location. All persons must obey all applicable federal, state, local and provincial laws and regulations when it is necessary to work with these materials.
To identify the consumable materials refer to the Process Consumable Materials Index (PCI).
Other necessary consumable materials are referred to in SPM TASKS in this TASK.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Fluorescent penetrant inspection equipment0AM53Fluorescent penetrant inspection equipment
Grinding machineLOCALGrinding machine
Dial test indicatorsLOCALDial test indicators
Standard workshop equipmentLOCALStandard workshop equipment
Dimensional inspection equipmentLOCALDimensional inspection equipment
Abrasive blast equipmentLOCALAbrasive blast equipment
Flame spray equipmentLOCALFlame spray equipment
Vibro-peen equipmentLOCALVibro-Peen Equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001
CoMat 02-047 TAPE, HEAT REFLECTIVE52152CoMat 02-047
CoMat 03-248 METAL SPRAY POWDERLOCALCoMat 03-248
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001
CoMat 05-140 ABRASIVE STONE SILICON CARBIDELOCALCoMat 05-140
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-14-110-062 Chemically Clean

      1. Chemically clean.

      1. Refer to Task TASK 72-41-14-100-000 (CLEANING-000).

      2. Use chemical cleaning equipment.

    2. SUBTASK 72-41-14-110-065 Chemically Strip the Coating

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      NOTE

      This SUBTASK is only required if there is an existing coating at the repair area.

      2. Chemically strip the coating from the HP Compressor Rear Rotating Airseal.

      1. Refer to SPM TASK 70-33-59-300-503.

    3. SUBTASK 72-41-14-110-066 Swab Etch the Abrasive Blasted Surface

      1. Cold ferric chloride swab etch the abrasive blasted surfaces of the HP Compressor Rear Rotating Airseal.

        NOTE

        This SUBTASK is only required if abrasive blasting was required to remove residual coating from the repair area.

      1. Refer to SPM TASK 70-11-39-300-503.

    4. SUBTASK 72-41-14-230-063 Fluorescent Penetrant Inspect

      1. Do a fluorescent penetrant inspection.

      1. Refer to SPM TASK 70-23-04-230-501.

        3. Use Fluorescent penetrant inspection equipment.

          1. If cracking is detected:

          1. Reject.

          2. If no cracking is detected:

          1. Continue with the repair.

    5. SUBTASK 72-41-14-324-051 Grind the Location Diameter

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      NOTE

      This SUBTASK is only required if there was no coating applied previously or if damage is still evident on the base material after the coating was removed.

      NOTE

      Single point machining can be used as an alternative to grinding when removing damage or the existing coating. Care must be taken not to reduce the dimensions of the component below those given in the relevant figures.

      2. Install a locally manufactured grinding fixture onto the Grinding machine.

      1. Use a Grinding machine, locally manufactured grinding fixture, Standard workshop equipment and a Dial test indicators.

      3. Install the HP Compressor Rear Rotating Airseal into the grinding fixture.

      4. Grind the location diameter.

      1. Grind to remove all scores.

    6. SUBTASK 72-41-14-324-051-B00 Grind the location Diameter at AD, Assembly B

    1. DELETED.

    7. SUBTASK 72-41-14-110-067 Swab Etch the Ground Surface

      1. Cold ferric chloride swab etch the ground surfaces of the HP Compressor Rear Rotating Airseal.

        NOTE

        This subtask is only required if the coating or damage has been removed by machining.

      1. Refer to SPM TASK 70-11-39-300-503.

    8. SUBTASK 72-41-14-230-056 Fluorescent Penetrant Inspect

      1. Do a fluorescent penetrant inspection.

      1. Refer to SPM TASK 70-23-04-230-501.

          1. If cracking is detected:

          1. Reject.

          2. If no cracking is detected:

          1. Continue with the repair.

    9. SUBTASK 72-41-14-110-056 Chemically Clean

      1. Chemically clean the rear rotating seal.

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

    10. SUBTASK 72-41-14-220-070 Dimensionally Inspect the Repair Area

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. Dimensionally inspect the repair area.

        1. Use dimensional inspection equipment.

          1. If the repair area is not within given dimensions:

          1. Reject.

          2. If the repair area is within given dimensions:

          1. Continue with the repair.

    11. SUBTASK 72-41-14-220-070-B00 Examine the Ground Surface, Assembly B

    1. DELETED.

    12. SUBTASK 72-41-14-220-098 Dimensionally Inspect the Remaining Wall Thickness, Assembly B Only

    1. Refer to Figure and Figure.

      2. Dimensionally inspect the remaining wall thickness:

        1. If the remaining wall thickness is less than the minimum wall thickness:

        1. Reject.

        2. If the remaining wall thickness is equal to or greater than the minimum wall thickness:

        1. Continue with the repair.

    13. SUBTASK 72-41-14-350-054 Mask the Area not to be Abrasive Blasted

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. Apply masking tape.

    14. SUBTASK 72-41-14-350-054-B00 Mask the Area not to be Repaired, Assembly B

    1. DELETED.

    15. SUBTASK 72-41-14-120-051-A00 Abrasive Blast the Surface to be Coated

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. CAUTION

        TO PREVENT CONTAMINATION, DO NOT TOUCH THE SURFACE WHICH IS CLEANED FOR REPAIR.

        Abrasive blast the surface for repair.

      1. Refer to SPM TASK 70-12-02-120-501.

    16. SUBTASK 72-41-14-120-051-B00 Abrasive Blast the Surface for Repair, Assembly B

    1. DELETED.

    17. SUBTASK 72-41-14-350-055 Mask the Area not to be Coated

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. Apply masking tape.

    18. SUBTASK 72-41-14-350-055-B00 Mask the Area not to be Repaired, Assembly B

    1. DELETED.

    19. SUBTASK 72-41-14-340-051 Metal Spray the Blasted Surface

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. Apply metal spray.

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

      3. Apply metal spray to give a sufficient thickness to grind, up to a maximum thickness of 0.011 in. (0.28 mm).

      4. Use metal spray equipment.

    3. Remove masking tape.

    20. SUBTASK 72-41-14-340-051-B00 Metal Spray the Surface for Repair, Assembly B

    1. DELETED.

    21. SUBTASK 72-41-14-324-052 Grind the Metal Sprayed Surface

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      NOTE

      Single point machining cannot be used as an alternative to finish the coating. The finishing can only be done by grinding.

      2. Install a grinding fixture onto the Grinding machine.

      3. Install the HP Compressor Rear Rotating Airseal into the grinding fixture.

      4. Grind the location diameter.

      1. Refer to SPM TASK 70-32-00-320-501.

      2. Grind to the final dimension.

      5. Remove burrs and any overspray.

    22. SUBTASK 72-41-14-324-052-B00 Grind the Metal Sprayed Surface AD, Assembly B

    1. DELETED.

    23. SUBTASK 72-41-14-220-071 Dimensionally Inspect the Repair Area

    1. For Assembly A refer to Figure and Figure.

      For Assembly B refer to Figure and Figure.

      2. Dimensionally inspect the repair area.

          1. If the repair area is not within the given dimensions:

          1. Reject.

          2. If the repair area is within the given dimensions:

          1. Continue with the repair.

    24. SUBTASK 72-41-14-220-071-B00 Examine the Ground Surface, Assembly B

    1. DELETED.

    25. SUBTASK 72-41-14-350-056 Identify the Repair

    1. For Assembly A refer to Figure.

      For Assembly B refer to Figure.

      NOTE

      If the HP Compressor Rear Rotating Airseal is already identified with the repair scheme number VRS6144 from a previous repair application, further identification is not necessary.

      2. Make a mark VRS6144 adjacent to the part number on the indicated surface.

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

    26. Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly A

    Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

    Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

    Figure: HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

    HP Compressor Rear Rotating Airseal - Repair Details and Dimensions - Assembly B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the full procedure. (92VR732B)

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 02-001
Type:sp01
Supply Short Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 230 (RR REF)ZINC OXIDE AT142
JCR-197 (JAEC REF)ZINC OXIDE AT142
Suppliers:
ManufacturerRemarks
LOCAL
K6835
U0415
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:LOCAL
Supply Number:CoMat 03-248
Type:sp01
Supply Short Name:CoMat 03-248 METAL SPRAY POWDER
Supply Name:CoMat 03-248 METAL SPRAY POWDER
Specification Groups:
Doc NumberType
MSRR9507/35METCO 447 NS
OMAT:3/179MIL-P-85856/27
Suppliers:
ManufacturerRemarks
LOCAL
39918
K1030
K6835
IE103
IE195
IE200
Manufacturer Code:LOCAL
Supply Number:CoMat 05-001
Type:sp01
Supply Short Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Supply Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Specification Groups:
Doc NumberType
Use one of the CoMat 05-001 letter suffix alternatives.
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Supply Number:CoMat 05-140
Type:sp01
Supply Short Name:CoMat 05-140 ABRASIVE STONE SILICON CARBIDE
Supply Name:CoMat 05-140 ABRASIVE STONE SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/114MJF 244 (ROUND OR HALF-ROUND), SS-S-736/3-20, TYPE II CLASS A2
Suppliers:
ManufacturerRemarks
LOCAL
44197
A2549
IE216
IE302
K3895
K6835
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Link not Found
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Dimensional inspection equipment
Tool Name:Dimensional inspection equipment
Manufacturer Code:LOCAL
Tool Number:Flame spray equipment
Tool Name:Flame spray equipment
Link not Found
Link not Found
Link not Found
Link not Found