TASK 72-41-12-300-020 HPC Stage 9 - 12 Drum Disk - Repair The Stage 12 Disk Rear Location Diameter By Metal Spray, Repair 020 (VRS6137)

DMC:V2500-A0-72-41-1201-02A-655A-C|Issue No:002.00|Issue Date:2021-05-01

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 72-41-12-300-020 HPC Stage 9 - 12 Drum Disk - Repair The Stage 12 Disk Rear Location Diameter By Metal Spray, Repair 020 (VRS6137)

Effectivity

FIG/ITEM

PART NO.

01-600

6A4131

Assembly A

01-600

6A7545

Assembly A

01-600

6A7574

Assembly A

01-600

6A4156

Assembly B

01-600

6A6546

Assembly B

01-600

6A7546

Assembly B

01-600

6A7547

Assembly B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor - stage 9 to 12 Disks shaft Assembly

QZD

Inconnel 718

General

This Repair must only be done when the instruction to do so is given in 72-41-12 Inspection.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers, are in the SPM.

Price and availability

Refer to International Aero Engines

Related repairs - none

NOTE

Deleted.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the necessary cleaning and inspection procedures are done before the repair.

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 3R19387 Grinding fixture0AM53IAE 3R193871

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING94960CoMat 02-019
CoMat 03-248 METAL SPRAY POWDERLOCALCoMat 03-248
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001
CoMat 05-029 CAST STEEL SHOT, S110LOCALCoMat 05-029

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-12-110-082 Clean the HP Compressor - Stage 9 to 12 Disks Shaft Assembly (DELETED)

    1. This subtask has been deleted.

    2. SUBTASK 72-41-12-230-077 Do a Crack Test (DELETED)

    1. This subtask has been deleted.

    3. SUBTASK 72-41-12-324-055-A00 Grind/Turn the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly A

    1. CAUTION

      DELETED.

      Refer to Figure, Figure, and Figure.

      2. Install the fixture into the lathe/grinding machine.

      1. Use IAE 3R19387 Grinding fixture, 1 off or a locally made grinding or turning fixture.

    3. Deleted.

      4. Grind/turn the rear location diameter AG to remove all damage, wear, and coat.

      1. If Datum A is to be repaired, use the new Datum E and D. Refer to Figure.

      2. Deleted.

    5. Deleted.

    4. SUBTASK 72-41-12-324-055-B00 Grind/Turn the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly B

    1. CAUTION

      DELETED.

      Refer to Figure, Figure, and Figure.

      2. Install the fixture into the lathe/grinding machine.

      1. Use IAE 3R19387 Grinding fixture, 1 off or a locally made grinding or turning fixture.

    3. Deleted.

      4. Grind/turn the rear location diameter AH to remove all damage, wear, and coat.

      1. If Datum A is to be repaired, use the new Datum E. Refer to Figure.

      2. Deleted.

    5. Deleted.

    5. SUBTASK 72-41-12-230-069 Do a Crack Test

    1. Refer to Figure.

      2. Do a penetrant crack test on the rear location diameter AC.

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

      2. Deleted.

      3. Deleted.

    6. SUBTASK 72-41-12-220-101-A00 Examine the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly A

    1. Refer to Figure and Figure.

      2. Measure the dimension of the rear location diameter AG.

      1. Deleted.

      2. Deleted.

    7. SUBTASK 72-41-12-220-101-B00 Examine the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly B

    1. Refer to Figure and Figure.

      2. Measure the dimension of the rear location diameter AH.

      1. Deleted.

      2. Deleted.

    8. SUBTASK 72-41-12-110-069 Clean the HP Compressor Stage 9 to 12 Disks Shaft Assembly

      1. Chemically clean the assembly.

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

      2. Deleted.

      2. Oven dry the assembly.

      1. Heat to a temperature of 302 deg F (150 deg C) for 1 hour.

      2. Deleted.

    9. SUBTASK 72-41-12-380-059-A00 Shot-Peen the Area to be Repaired, Assembly A

    1. Refer to Figure, Figure, and Figure.

      2. Apply masking to the areas not to be shot-peened.

      1. Deleted.

      2. Deleted.

    3. Deleted.

      4. Shot-peen the HP compressor stage 9 to 12 disks shaft assembly rear location diameter.

      1. Refer to the SPM TASK 70-38-04-300-503, SUBTASK 70-38-04-300-002.

      2. Minimum overspray is permitted in Zone AJ.

      3. Use automatic shot-peening equipment.

        Shot peening data

        Machine type

        Metal shot-peen

        Process type/mode

        Dry/Auto

        Shot type

        Deleted

        Deleted

        Coverage

        125 percent minimum, 200 percent

        maximum

        Nozzle/work distance

        120 mm

        Number of nozzles

        1

        Almen intensity

        0.006 to 0.009 in. (0.15 to 0.23 mm) on

        an 'A' type test strip

    5. Deleted.

    6. Deleted.

    10. SUBTASK 72-41-12-380-059-B00 Shot Peen the Area to be Repaired, Assembly B

    1. Refer to Figure, Figure, and Figure

      2. Apply masking to the areas not to be shot peened.

      1. Deleted.

      2. Deleted.

    3. Deleted.

      4. Shot-peen the HP compressor stage 9 to 12 disks shaft assembly rear location diameter.

      1. Refer to the SPM TASK 70-38-04-300-503, SUBTASK 70-38-04-300-002.

      2. Minimum overspray is permitted in Zone AJ.

      3. Use automatic shot-peening equipment.

        Shot peening data

        Metal type

        Metal shot-peen

        Process type/mode

        Dry/Auto

        Shot type

        Deleted

        Deleted

        Coverage

        125 percent minimum, 200 percent

        maximum

        Nozzle/work distance

        120 mm

        Number of nozzles

        1

        Almen intensity

        0.006 to 0.009 in. (0.15 to 0.23 mm)

        on an 'A' type test strip

    5. Deleted.

    6. Deleted.

    11. SUBTASK 72-41-12-350-076-A00 Seal the Surfaces Not to be Repaired, Assembly A

    1. Refer to Figure and Figure.

    2. Deleted.

      3. NOTE

        The heat resistant masking tape, permits the blasting and spray coating to be done in one operation.

        Apply masking to the areas not to be repaired.

    12. SUBTASK 72-41-12-350-076-B00 Seal the Surfaces Not to be Repaired, Assembly B

    1. Refer to Figure and Figure.

      2. Locally degrease in area AB.

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

      3. NOTE

        The heat resistant masking tape, permits the blasting and spray coating to be done in one operation.

        Apply masking to the areas not to be repaired.

    13. SUBTASK 72-41-12-120-057-A00 Abrasive Blast the Surface to be Repaired, Assembly A

    1. CAUTION

      TO PREVENT CONTAMINATION, DO NOT TOUCH THE SURFACE WHICH IS CLEANED FOR REPAIR.
      TO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.

      Refer to Figure and Figure.

      2. Abrasive blast the surface to be repaired, at diameter AG.

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

    14. SUBTASK 72-41-12-120-057-B00 Abrasive Blast the Surface to be Repaired, Assembly B

    1. CAUTION

      TO PREVENT CONTAMINATION, DO NOT TOUCH THE SURFACE WHICH IS CLEANED FOR REPAIR.
      TOO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.

      Refer to Figure and Figure.

      2. Abrasive blast the surface to be repaired, at diameter AH.

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

    15. SUBTASK 72-41-12-340-057-A00 Metal Spray the Rear Location Diameter AG, Assembly A

    1. Refer to Figure and Figure.

      2. Apply metal spray.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-025 or SUBTASK 70-34-01-340-021.

      3. Apply sufficient metal spray to get the correct dimensions when you do finish operation.

    3. Remove masking tape.

    16. SUBTASK 72-41-12-340-057-B00 Metal Spray the Rear Location Diameter AH, Assembly B

    1. Refer to Figure and Figure.

      2. Apply metal spray.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-025 or SUBTASK 70-34-01-340-021.

      3. Apply sufficient metal spray to get the correct dimensions when you do finish operation.

    3. Remove masking tape.

    17. SUBTASK 72-41-12-324-056-A00 Grind/Turn the HP Compressor - Stage 9 to 12 Disk Shaft Assembly, Assembly A

    1. Refer to Figure, Figure, and Figure.

      2. Install the fixture into the lathe/grinding machine.

      1. Use IAE 3R19387 Grinding fixture, 1 off or a locally made grinding or turning fixture.

    3. Deleted.

      4. Grind/turn the rear location diameter AG.

      1. If Datum A is to be repaired, use the new Datum E. Refer to Figure.

      2. Break all the sharp edges to 0.010 in. - 0.020 in. (0.254 mm - 0.508 mm).

    5. Deleted.

    18. SUBTASK 72-41-12-324-056-B00 Grind/Turn the HP Compressor - Stage 9 to 12 - Disks Shaft Assembly, Assembly B

    1. Refer to Figure, Figure, and Figure.

      2. Install the fixture into the lathe/grinding machine.

      1. Use IAE 3R19387 Grinding fixture, 1 off or a locally made grinding or turning fixture.

    3. Deleted.

      4. Grind/turn the rear location diameter AH.

      1. If Datum A is to be repaired, use the new Datum E. Refer to Figure.

      2. Break all the sharp edges to 0.010 in. - 0.020 Inch (0.254 mm - 0.508 mm).

    5. Deleted.

    19. SUBTASK 72-41-12-110-070 Clean the HP Compressor Stage 9 to 12 Disks Shaft Assembly

      1. Chemically clean the assembly.

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

      2. Deleted.

      2. Oven dry the assembly.

      1. Heat to a temperature of 302 deg F (150 deg C) for one hour.

      2. Deleted.

    20. SUBTASK 72-41-12-220-102-A00 Examine the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly A

    1. Refer to Figure and Figure.

      2. Make a visual inspection and measure the dimensions of the rear location diameter.

      1. Deleted.

    21. SUBTASK 72-41-12-220-102-B00 Examine the HP Compressor - Stage 9 to 12 Disks Shaft Assembly, Assembly B

    1. Refer to Figure and Figure.

      2. Make a visual inspection and measure the dimensions of the rear location diameter.

      1. Deleted.

    22. SUBTASK 72-41-12-350-072 Identify the Repair

      1. Mark VRS6137 adjacent to the part number, use vibration peen method.

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

      2. Deleted.

    23. Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly B

    Repair Details And Dimensions - Assembly B

    Figure: Repair Details And Dimensions - Assembly A And Assembly B

    Repair Details And Dimensions - Assembly A And Assembly B

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly B

    Repair Details And Dimensions - Assembly B

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly B

    Repair Details And Dimensions - Assembly B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Deleted notes in general, support equipments, consumable materials, subtasks, and revised procedural steps. (20VG119)

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:94960
Enterprise Name:3M TRAFFIC CONTROL
BU Name:3M TRAFFIC CONTROL
Department:MATERIALS DIVISION
Building:225 55
Street:3M CENTER
City:ST PAUL
State:MN
Zip Code:55144-1000
Country:USA
Phone Number:1-612-733-0477
Internet:www.3m.com/tcm
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:76381
Supply Number:CoMat 02-019
Type:sp01
Supply Short Name:CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING
Supply Name:CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING
Specification Groups:
Doc NumberType
OMAT: 2/40 (RR REF)SELLOTAPE 2595 SCAPA 2595 OR 3M HT214
JCR-201 (JAEC REF)SELLOTAPE 2595 SCAPA 2595 OR 3M HT214
Suppliers:
ManufacturerRemarks
76381
K3312
K6835
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:55807
Supply Number:CoMat 05-029
Type:sp01
Supply Short Name:CoMat 05-029 CAST STEEL SHOT, S110
Supply Name:CoMat 05-029 CAST STEEL SHOT, S110
Specification Groups:
Doc NumberType
AMS 2431/1 ASR 110
Suppliers:
ManufacturerRemarks
55807
Manufacturer Code:0AM53
Tool Number:IAE 3R19387
Tool Name:IAE 3R19387 Grinding fixture