TASK 72-41-34-300-002 High Pressure (HP) Compressor Front Housing Assembly - Repair The Surface Damage By Material Removal, Repair - 002 (VRS6291)

DMC:V2500-A0-72-41-3412-01A-649A-C|Issue No:001.00|Issue Date:2016-05-01

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 72-41-34-300-002 High Pressure (HP) Compressor Front Housing Assembly - Repair The Surface Damage By Material Removal, Repair - 002 (VRS6291)

Effectivity

FIG/ITEM

PART NO.

01-730

6A3517

Material of Component

DESCRIPTION

MATERIAL

HP Compressor Front Housing Assembly

Corrosion Resistant Steel

General

This TASK gives the procedure to remove surface damage on the HP Compressor Front Housing Assembly by material removal.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the Standard Practices Manual (SPM).

Price and Availability

Refer to International Aero Engines (IAE).

Related Repairs

Replace the surface protection on the HP Compressor Front and Rear Housing Assembly. Refer to repair, VRS6356 TASK 72-41-34-300-033 (REPAIR-033).

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-09-00-400-501
SPM TASK 70-11-26-300-503
SPM TASK 70-23-02-230-501
SPM TASK 70-35-03-300-501.

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.

NOTE

To identify the consumable materials refer to the consumable materials manual (CoMat).

NOTE

Other necessary consumable materials are referred to in the SPM TASKS in this TASK.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Paint brushLOCALPaint brush
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop equipmentLOCALStandard workshop equipment
Vibro-engraving equipmentLOCALVibro-engraving equipment
Workshop inspection equipment0AM53Workshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER06565CoMat 05-074
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111
CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)LOCALCoMat 06-064
CoMat 06-073 INK, METAL MARKING88303CoMat 06-073
CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEARLOCALCoMat 07-024

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-350-001 Remove the Damaged Area(s)

    1. Refer to Figure.

      2. Remove small area(s) of damage as necessary.

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

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

      3. The diameter of area(s) removed is to be 50 times the depth.

      3. Blend the area(s) of repair.

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

      2. Remove sharp corners.

      4. Polish the area(s) of repair.

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

      4. Polish to give a surface finish to the same as the adjacent material.

    2. SUBTASK 72-41-34-220-001 Inspect the Repair

    1. Refer to Figure.

      2. Do a visual and dimensional inspection.

      1. Make sure the surface finish is the same as the adjacent surfaces.

      2. Make sure the maximum depth of the repair is not more than 0.005 in. (0.13 mm).

      3. Reject the part if not in the limits given.

    3. SUBTASK 72-41-34-110-002 Do a Swab Etch

      1. Swab etch the repaired area(s).

      1. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-300-001.

    4. SUBTASK 72-41-34-230-002 Do a Crack Test

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

      1. Refer to SPM TASK 70-23-02-230-501.

      4. Cracks are not permitted.

      5. Reject the part if cracked.

    5. SUBTASK 72-41-34-350-002 Identify the Repair

    1. Refer to Figure.

      2. Vibropeen VRS6291 adjacent to the assembly number.

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

    6. SUBTASK 72-41-34-380-001 Apply Surface Protection to Repaired Areas

      1. Apply surface protection locally to the repaired areas.

      1. Refer to repair, VRS6356 TASK 72-41-34-300-033 (REPAIR-033).

    7. SUBTASK 72-41-34-350-173 Identify the Repair

    1. Refer to Figure.

      2. Re-identify the part.

      1. Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-002.

      2. Put the part number adjacent to the existing markings which are under the surface protection.

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

    An Example of an Area to be Repaired

    Figure: High Pressure (HP) Compressor Front Housing Assembly

    High Pressure (HP) Compressor Front Housing Assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added new task in its entirety. (12VR812A)

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:88303
Enterprise Name:PHILLIPS PROCESS CO., INC
BU Name:PHILLIPS PROCESS CO., INC
Street:20 MAGNOLIA STREET
City:ROCHESTER
State:NY
Zip Code:14608-2931
Country:USA
Phone Number:1-585-436-2310
Fax Number:1-585-436-2310
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:44197
Supply Number:CoMat 05-074
Type:sp01
Supply Short Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Supply Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Specification Groups:
Doc NumberType
ANSI/CAMI GRIT SIZE 180 ALUMINIUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
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: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
Manufacturer Code:X222X
Supply Number:CoMat 06-064
Type:sp01
Supply Short Name:CoMat 06-064FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Supply Name:CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐064 letter suffix material with other CoMat 06‐064 letter suffix materials.Where CoMat 06‐064 is specified with no suffix, use one of the CoMat 06‐064 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Supply Number:CoMat 06-073
Type:sp01
Supply Short Name:CoMat 06-073 INK, METAL MARKING
Supply Name:CoMat 06-073 INK, METAL MARKING
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 07-024
Type:sp01
Supply Short Name:CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR
Supply Name:CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR
Specification Groups:
Doc NumberType
DELETED. USE COMAT 07-024A
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Paint brush
Tool Name:Paint brush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment
Link not Found