TASK 72-41-21-300-007 HPC Stage 8 Rotor Path Ring - Blend Repair, Repair-007 (VRS6094)

DMC:V2500-A0-72-41-2122-00A-649A-C|Issue No:002.00|Issue Date:2015-05-01

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 72-41-21-300-007 HPC Stage 8 Rotor Path Ring - Blend Repair, Repair-007 (VRS6094)

Effectivity

FIG/ITEM PART NO.

03-600

6A3652

03-600

6A4102

03-600

6A5993

03-600

6A7627

03-600

6A4162

03-600

6A5996

03-600

6A7625

Material of component

DESCRIPTION SYMBOL MATERIAL

HP compressor stage 8 rotor path ring

EAK or EBL or EAE

Jethete

General

This Repair must only be done when the instruction to do so is given in 72-41-21 Inspection.

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

Price and availability

Refer to International Aero Engines

Related repairs

HP Compressor Stage 8 Rotor Path Ring - Replace Surface Protection, refer to TASK 72-41-21-300-059 (VRS6146)

NOTE

More equipment and materials necessary to do this Repair are in the SPM TASKS given below:
TASK 70-09-00-400-501
TASK 70-11-03-300-503
TASK 70-11-26-300-503
TASK 70-23-03-230-501
TASK 70-23-05-230-501
TASK 70-35-03-300-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER06565CoMat 05-074
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111
CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)37676CoMat 06-018

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-110-158 Clean the HPC Stage 8 Rotor Path Ring

      1. Chemically clean.

      1. Refer to the SPM TASK 70-11-03-300-503, SUBTASK 70-11-03-300-002.

      2. Use chemical cleaning equipment.

    2. SUBTASK 72-41-21-230-092 Do a Crack Test

      1. Do a penetrant crack test.

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

    3. SUBTASK 72-41-21-350-077 Remove the Damaged Area(s)

    1. Refer to Figure.

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

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

      3. The maximum depth of the repaired area(s) is to be 0.005in (0.13mm). The diameter of the repaired area(s) is to be 50 times the depth.

      4. Remove no more material than is necessary.

      3. Make smooth the repaired area(s).

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

      3. Make sure all damage marks are completely removed and the area(s) made smooth into the adjacent material.

      4. Polish repaired area(s).

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

      3. Polish the repaired area(s) to remove scratches and to give a surface finish the same as the adjacent material.

    4. SUBTASK 72-41-21-230-093 Do a Crack Test

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

      1. Refer to the SPM TASK 70-23-05-230-501.

      3. Cracks are not permitted.

    5. SUBTASK 72-41-21-110-203 Chemically Clean

      1. Chemically clean the repaired area(s) to remove fluorescent penetrant.

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

      2. Use chemical cleaning equipment.

    6. SUBTASK 72-41-21-220-224 Examine the Repair to the HPC Stage 8 Rotor Path Ring

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the repaired area(s).

      1. Make sure the surface finish is the same as the adjacent material. The maximum amount of material removal permitted is 0.005in (0.13mm).

      2. Use standard workshop inspection equipment.

    7. SUBTASK 72-41-21-350-209 Identify the Repair

      1. Make a mark VRS6094 adjacent to the part number.

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

      2. Use vibro-engraving equipment.

    8. SUBTASK 72-41-21-380-058 Apply the Surface Protection

      1. Apply the surface protection.

      1. Refer to VRS6146 TASK 72-41-21-300-059.

    9. 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
Change Type:

Revised the procedure to delete subtask and renumbered the following steps. (14VC141)

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:37676
Enterprise Name:ITW MAGNAFLUX
BU Name:MAGNAFLUX CORPORATION
Street:155 HARLEM AVE
City:GLENVIEW
State:IL
Zip Code:60025
Country:USA
Phone Number:1-847-657-5300
Fax Number:1-847-867-5388
Internet:www.magnaflux.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: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 06-018
Type:sp01
Supply Short Name:CoMat 06-018FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Supply Name:CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐018 letter suffix material with other CoMat 06‐018 letter suffix materials. Where CoMat 06‐018 is specified with no suffix, use one of the CoMat 06‐018 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment