TASK 72-41-32-300-016 HPC Stage 6 Variable Stator Vane - Repair A Worn/Damaged Pivot Journal(s) By Metal Spray, Repair-016 (VRS6185)

DMC:V2500-A0-72-41-3206-01A-609A-C|Issue No:002.00|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 72-41-32-300-016 HPC Stage 6 Variable Stator Vane - Repair A Worn/Damaged Pivot Journal(s) By Metal Spray, Repair-016 (VRS6185)

Effectivity

FIG/ITEM

PART NO

05-500

6A3763

Assembly A

05-600

6A3764

Assembly B

Standard equipment

Chemical cleaning equipment

Penetrant crack test equipment

Lathe

Dial test indicator

Abrasive blast equipment

Metal spray equipment

External grinding machine

Vibro-engraving equipment

Special tools - none

Expendable parts - none

Repair parts - none

General

This Repair must only be done when the instruction to do so is given in 72-41-32 Inspection/Check.

This Repair lets you Repair a worn or damaged pivot jounal(s) on the HP Compressor Variable Stator Vane, Stage 6, by metal spray.

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

NOTE

More equipment and materials necessry to do this Repair are in the SPM TASKS given below:
TASK 70-09-00-400-501
TASK 70-11-01-300-503
TASK 70-11-39-300-503
TASK 70-12-02-120-501
TASK 70-23-04-230-501
TASK 70-34-01-340-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)LOCALCoMat 02-198
CoMat 03-320 METAL SPRAYING POWDER,WC/CoLOCALCoMat 03-320
CoMat 03-456 METAL SPRAY POWDER WC-17CO39918CoMat 03-456
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001
CoMat 05-002 ABRASIVE MEDIUM, ALUMINUM OXIDELOCALCoMat 05-002
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-32-110-104 Chemically Clean

      1. Chemically clean.

      1. Refer to SPM TASK 72-11-01-300-503.

        Use chemical cleaning equipment.

    2. SUBTASK 72-41-32-230-087 Do a Crack Test

      1. Do a penetrant crack test.

        1. Refer to SPM TASK 72-23-04-230-501.

        1. Use penetrant crack test equipment.

        2. Cracks are not permitted.

    3. SUBTASK 72-41-32-220-165 Examine the HP Compressor Variable Stator Vane, Stage 6

    1. Refer to Figure and Figure.

    2. Examine the HP Compressor Variable Stator Vane, Stage 6, Pivot Journal(s), for repair.

      NOTE

      1. The minimum worn or damaged diameter of the outer pivot journal, diameter AC, that can be repaired is 0.4595 in (11.672 mm).

      2. The minimum worn or damaged diameter of the inner pivot journal, diameter AD, that can be repaired is 0.3808 in (9.672 mm).

    4. SUBTASK 72-41-32-325-059 Remove Damage from the HP Compressor Variable Stator Vane, Stage 6

      CAUTION

      DO NOT REMOVE MATERIAL FROM THE HP COMPRESSOR VARIABLE STATOR VANE, STAGE 6, RADII.

    1. Refer to Figure and Figure.

      2. Set up the HP Compressor Variable Stator Vane, Stage 6, to run true.

      1. Use a lathe and a dial test indicator.

      3. Turn to remove damage and/or wear from pivot journal(s).

      1. Only clean up sufficiently to give a good clean diameter.

        NOTE

        1. The minimum diameter of the outer pivot journal, diameter AC, after you have removed wear and/or damage is 0.4585 in (11.646 mm).

        2. The minimum diameter of the inner pivot journal, diameter AD, after you have removed wear and/or damage is 0.3798in (9.646mm).

    5. SUBTASK 72-41-32-220-166 Examine the HP Compressor Variable Stator Vane, Stage 6

    1. Refer to Figure and Figure.

      2. Measure the dimensions of the HP Compressor Variable Stator Vane, Stage 6.

      1. Make sure that the dimensions after you have machined are within the limits specified.

    6. SUBTASK 72-41-32-110-105 Chemically Clean

      1. Chemically clean.

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

        Use chemical cleaning equipment.

    7. SUBTASK 72-41-32-110-106 Cold Ferric Chloride Etch

      1. Swab etch the repaired area(s).

      1. Refer to the SPM TASK 70-11-39-300-503, SUBTASK 70-11-39-300-001.

        Use Chemical cleaning equipment.

    8. SUBTASK 72-41-32-230-088 Do a Crack Test

      1. Do a penetrant crack test on the repair area(s).

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

        Cracks are not permitted.

    9. SUBTASK 72-41-32-120-067-A00 Prepare the Surfaces for Repair, Assembly A

      CAUTION

      DO NOT TOUCH SURFACE(S) TO BE REPAIRED AFTER THEY ARE CLEANED.

      CAUTION

      TOO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.

    1. Refer to Figure and Figure.

      2. Seal the surfaces not to be repaired.

      1. NOTE

        The adhesive tape permits the blasting and the sprayed coat to be done in one operation.

      3. Abrasive blast the surfaces to be repaired.

    10. SUBTASK 72-41-32-120-067-B00 Prepare the Surfaces for Repair, Assembly B

      CAUTION

      DO NOT TOUCH SURFACE(S) TO BE REPAIRED AFTER THEY ARE CLEANED.

      CAUTION

      TOO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.

    1. Refer to Figure and Figure.

      2. Seal the surfaces not to be repaired.

      1. NOTE

        The abrasive tape permits the blasting and the sprayed coat to be done in one operation.

      3. Abrasive blast the surfaces to be repaired.

    11. SUBTASK 72-41-32-340-065-A00 Apply the Metal Spray Coat, Assembly A

    1. Refer to Figure and Figure.

      2. Apply the metal spray to the HP Compressor Variable Stator Vane, Stage 6, pivot journal(s).

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-014.

        Apply a layer of sufficient thickness to get the correct dimensions after the component is machined.

    12. SUBTASK 72-41-32-340-065-B00 Apply the Metal Spray Coat, Assembly B

    1. Refer to Figure and Figure.

      2. Apply the metal spray to the HP Compressor Variable Stator Vane, Stage 6, pivot journal(s).

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-014.

        Apply a layer of sufficient thickness to get the correct dimensions after the component is machined.

    13. SUBTASK 72-41-32-220-167-A00 Examine the HP Compressor Variable Stator Vane, Stage 6, Assembly A

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions of the sprayed coating.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-002.

        Make sure there is a layer of sufficient thickness to get the correct dimensions after the component is machined.

    14. SUBTASK 72-41-32-220-167-B00 Examine the HP Compressor Variable Stator Vane, Stage 6, Assembly B

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions of the sprayed coating.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-002.

        Make sure there is a layer of sufficient thickness to get the correct dimensions, after the component is machined.

    15. SUBTASK 72-41-32-324-063-A00 Grind the HP Compressor Variable Stator Vane, Stage 6, Pivot Journal(s), Assembly A

    1. Refer to Figure and Figure.

      2. Set up the HP Compressor Variable Stator Vane, Stage 6, to run true.

      1. Use an external grinding machine and a dial test indicator.

    3. Grind the pivot journal(s) to the dimensions given.

      NOTE

      Put back the radii as necessary.

    16. SUBTASK 72-41-32-324-063-B00 Grind the HP Compressor Variable Stator Vane, Stage 6, Pivot Journal(s), Assembly B

    1. Refer to Figure and Figure.

      2. Set up the HP Compressor Variable Stator Vane, Stage 6, to run true.

      1. Use an external grinding machine and a dial test indicator.

    3. Grind the pivot journal(s) to the dimensions given.

      NOTE

      Put back the radii as necessary.

    17. SUBTASK 72-41-32-110-107 Chemically Clean

      1. Chemically clean.

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

        Use chemical cleaning equipment.

    18. SUBTASK 72-41-32-220-168-A00 Examine the HP Compressor Variable Stator Vane, Stage 6, Assembly A

    1. Refer to Figure and Figure.

    2. Measure the dimensions of the machined pivot journal diameter.

    19. SUBTASK 72-41-32-220-168-B00 Examine the HP Compressor Variable Stator Vane, Stage 6, Assembly A

    1. Refer to Figure and Figure.

    2. Measure the dimensions of the machined pivot journal diameter.

    20. SUBTASK 72-41-32-350-091 Identify the Repair

      1. Make a mark VRS6185 adjacent to the assembly number.

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

        Use Vibro-engraving equipment.

    21. 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 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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure to correct the typo errors. (17VG162)

Manufacturer Code:39918
Enterprise Name:SULZER METCO (US) INC, SEE SUPPLIER CODE 01FK3
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:07512
Supply Number:CoMat 02-198
Type:sp01
Supply Short Name:CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)
Supply Name:CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)
Specification Groups:
Doc NumberType
OMAT: 2/96 (RR REF)CHR 23816 TAPE
Suppliers:
ManufacturerRemarks
07512
K6835
K1369
KC622
Manufacturer Code:LOCAL
Supply Number:CoMat 03-320
Type:sp01
Supply Short Name:CoMat 03-320 METAL SPRAYING POWDER, WC/Co
Supply Name:CoMat 03-320 METAL SPRAYING POWDER,WC/Co
Specification Groups:
Doc NumberType
MSRR9507/1METCO 73F-NS-2
OMAT:3/114C
Suppliers:
ManufacturerRemarks
LOCAL
39918
56923
IE103
IE195
IE200
K1030
K6835
Manufacturer Code:39918
Supply Number:CoMat 03-456
Type:sp01
Supply Short Name:CoMat 03-456 METAL SPRAY POWDER WC-17CO
Supply Name:CoMat 03-456 METAL SPRAY POWDER WC-17CO
Specification Groups:
Doc NumberType
METCO 73F-NS-1
Suppliers:
ManufacturerRemarks
39918
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:X222X
Supply Number:CoMat 05-002
Type:sp01
Supply Short Name:CoMat 05-002 ABRASIVE MEDIUM, ALUMINUM OXIDE
Supply Name:CoMat 05-002 ABRASIVE MEDIUM, ALUMINUM OXIDE
Specification Groups:
Doc NumberType
Where CoMat 05-002 is specified with no letter suffix, use one of the CoMat 05-002 letter suffix alternatives.
Suppliers:
ManufacturerRemarks
X222X
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