TASK 75-32-52-300-004 HPC Stage 7 Bleed Outlet Duct Silencer - Blend Repair Surface Damage, Repair-004 (VRS6241)

DMC:V2500-A0-75-32-5202-00A-649A-C|Issue No:001.00|Issue Date:2013-11-01

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 75-32-52-300-004 HPC Stage 7 Bleed Outlet Duct Silencer - Blend Repair Surface Damage, Repair-004 (VRS6241)

Effectivity

FIG/ITEM

PART NO.

01-250

6A2092

Assembly A

01-350

6A2092

Assembly A

01-250

6A6535

Assembly B

01-350

6A6536

Assembly B

01-250

6A4404

Assembly B

01-350

6A4404

Assembly B

01-250

6A6537

Assembly B

01-350

6A6538

Assembly B

01-250

6A8338

Assembly B

01-350

6A8338

Assembly B

Material of the component

PART IDENT

SYMBOL

MATERIAL

HPC air silencer - stage 7 - Assy A

TEY

Titanium alloy

HPC air silencer - Stage 10 - Assy A

TEY

Titanium alloy

HPC air silencer - Stage 7 - Assy B

QAR

Nickel alloy C263

HPC air silencer - Stage 10 - Assy B

QAR

Nickel alloy C263

General

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

This Repair must only be done when the instruction to do so is given in 75-32-52 Inspection/Check.

Price and availability.

Refer to International Aero Engines.

NOTE

More equipment necessary to do this Repair are in the SPM TASKS given below:
Refer to SPM TASK 70-23-01-230-501.
Refer to SPM TASK 70-23-03-230-501.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop Inspection EquipmentLOCALWorkshop Inspection Equipment
Penetrant Crack Test EquipmentLOCALPenetrant Crack Test Equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-020 WATERPROOF SILICON CARBIDELOCALCoMat 05-020
CoMat 05-021 WATERPROOF SILICON CARBIDE44197CoMat 05-021
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-110 EMERY POLISHING PAPER0AM53CoMat 05-110
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-32-52-350-051-A00 Remove the Damage, Assembly A

      CAUTION

      TITANIUM COMPONENT - YOU MUST USE SILICON CARBIDE TYPE ABRASIVE WHEELS, STONES AND PAPERS TO DRESS, BLEND AND POLISH THIS COMPONENT.

      CAUTION

      TITANIUM COMPONENT - AVOID BUILD UP OF HEAT BY APPLYING ONLY GENTLE PRESSURE AND KEEPING THE TOOL SPEED AS LOW AS POSSIBLE

      CAUTION

      TITANIUM COMPONENT - YOU MUST MAKE SURE THAT WHEN YOU REMOVE MATERIAL, BLEND AND POLISH, NO SPARKS ARE PRODUCED.

      CAUTION

      TITANIUM COMPONENT - IF THE MATERIAL SHOWS A CHANGE IN COLOR, TO DARKER THAN A LIGHT STRAW COLOR, THE COMPONENT IS TO BE REJECTED.

    1. Refer to Figure.

      2. Remove the damage.

      1. Refer to SPM TASK 70-35-03-300-501.

      3. The maximum depth to remove the damage must not be more than 0.005 in (0.13 mm).

      4. Remove all sharp corners.

      5. The diameter of the repaired area is to be 50 times the depth.

      3. Polish the area of repair.

      1. Refer to SPM TASK 70-35-03-300-501.

      3. Polish the repaired area to remove the scratches.

    2. SUBTASK 72-32-52-350-051-B00 Remove the Damage, Assembly B

    1. Refer to Figure.

      2. Remove the damage.

      1. Refer to SPM TASK 70-35-03-300-501.

      3. The maximum depth to remove the damage must not be more than 0.005 in (0,13 mm)

      4. Remove all sharp corners.

      5. The diameter of the repaired area is to be 50 times the depth.

      3. Polish the area of repair.

      1. Refer to SPM TASK 70-35-03-300-501.

      3. Polish the repaired area to remove the scratches.

    3. SUBTASK 75-32-52-220-060 Examine the Repair

    1. Refer to Figure.

      2. Do a visual and dimensional inspection.

      1. The maximum depth of the repair must not be more than 0.005 in. (0.13 mm).

    4. SUBTASK 75-32-52-230-054-001 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to the SPM TASK 70-23-01-230-501.

      3. Cracks are not permitted.

    5. SUBTASK 75-32-52-230-054-002 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to the SPM TASK 70-23-03-230-501.

      3. Cracks are not permitted.

    6. Figure: An Example of an Area to be Repaired

    An Example of an Area to be Repaired

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:06565
Enterprise Name:SAINT-GOBAIN ABRASIVES
BU Name:SAINT-GOBAIN ABRASIVES
P.O. Box:808
City:TROY
State:NY
Zip Code:12181
Country:USA
Phone Number:1-518-266-2200
Fax Number:1-518-266-2342
Internet:www.saintgobain.com
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:44197
Enterprise Name:SAINT-GOBAIN INDUSTRIAL CERAMICS INC.
BU Name:SAINT-GOBAIN ABRASIVES, INC
Street:ONE NEW BOND STREET
P.O. Box:PO BOX 15008
City:WORCESTER
State:MA
Zip Code:01615-0008
Country:USA
Phone Number:1-508-795-5000
Fax Number:1-508-795-2828
Internet:www.saint-gobain-northamerica.com
Manufacturer Code:K6835
Enterprise Name:MED-LAB LTD
BU Name:MED-LAB LTD
Street:COPELAND ST
City:DERBY
Zip Code:DE1 2PU
Country:GREAT BRITAIN
Phone Number:44-1332-349094
Fax Number:44-1332-371237
Email:sales@med-lab.co.uk
Internet:www.med-lab.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:1E1X8
Supply Number:CoMat 05-020
Type:sp01
Supply Short Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/33 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 320 (ANSI B74.18)
JCR-027 (JAEC REF)
JCR-186 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-021
Type:sp01
Supply Short Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/35 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 240 (ANSI B74.18 )
JCR-188 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
LOCAL
Manufacturer Code:K6835
Supply Number:CoMat 05-106
Type:sp01
Supply Short Name:CoMat 05-106 ABRASIVE STONE
Supply Name:CoMat 05-106 ABRASIVE STONE
Specification Groups:
Doc NumberType
(SS-S-736/2/26) (A-A-3068/2-26)SQUARE FINE SS-S-736 TYPE II CLASS A1
Suppliers:
ManufacturerRemarks
K6835
KC1D9
Manufacturer Code:X111X
Supply Number:CoMat 05-110
Type:sp01
Supply Short Name:CoMat 05-110 EMERY POLISHING PAPER
Supply Name:CoMat 05-110 EMERY POLISHING PAPER
Specification Groups:
Doc NumberType
DISCONTINUED
Suppliers:
ManufacturerRemarks
X111X
Manufacturer Code:44197
Supply Number:CoMat 05-111
Type:sp01
Supply Short Name:CoMat 05-111 EMERY POLISHING PAPER
Supply Name:CoMat 05-111 EMERY POLISHING PAPER
Specification Groups:
Doc NumberType
FEPA GRIT SIZE P280 OR P240 EMERY POLISHING PAPER OR ALUMINUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
K6835
KC1D9
LOCAL
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