TASK 72-41-21-300-023 HPC Cross Key Location Ring - Repair Surface Damage By Material Removal, Repair-023 (VRS6103)

DMC:V2500-A0-72-41-2103-00A-649A-C|Issue No:002.00|Issue Date:2018-05-01

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 72-41-21-300-023 HPC Cross Key Location Ring - Repair Surface Damage By Material Removal, Repair-023 (VRS6103)

Effectivity

FIG/ITEM

PART NO.

04-750

6A2856

Assembly A

04-750

6A4179

Assembly A

04-750

6A5737

Assembly B

04-750

6A5738

Assembly B

Material of component

DESCRIPTION

SYMBOL

MATERIAL

HP compressor cross key

QRK or

Nickel, cobalt steel

location ring

QTX

General

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

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

None.

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in the SPM TASKS given below.
TASK 70-23-05-230-501
TASK 70-35-03-300-501

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

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

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-110 EMERY POLISHING PAPERLOCALCoMat 05-110
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-110-132 Clean the Cross Key Location Ring

      1. Chemically clean.

    2. SUBTASK 72-41-21-230-108 Do a Crack Test

      1. Do a penetrant crack test.

    3. SUBTASK 72-41-21-350-098 Remove the Damaged Area(s)

    1. Refer to Figure.

      2. Remove the damaged material as necessary. Do not remove more than is necessary.

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

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

      3. Make the repaired area(s) smooth.

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

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

      4. Polish the repaired area(s).

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

        Polish the repaired area(s) to remove the scratches and to give a smooth surface finish.

    4. SUBTASK 72-41-21-220-261 Examine the Repaired Area(s)

    1. Refer to Figure.

      2. Make a visual inspection of the repaired area(s) and measure the depth of the repaired area(s).

      1. Make sure the maximum depth of the repaired area(s) is not more than 0.005 in. (0.13 mm).

        Use workshop inspection equipment.

    5. SUBTASK 72-41-21-230-109 Do a Crack Test

      1. Do the penetrant crack test of the damaged area(s).

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

        1. Use penetrant crack test equipment.

        2. Cracks are not permitted.

    6. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Deleted related repair and subtask. (17VG012)

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: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: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
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