TASK 72-41-15-300-053 HPC Stage 3 Rotor Blade - Remove The Clapper Coating, Repair-053 (VRS6635)

DMC:V2500-A0-72-41-1503-00A-653A-C|Issue No:002.00|Issue Date:2021-02-01

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 72-41-15-300-053 HPC Stage 3 Rotor Blade - Remove The Clapper Coating, Repair-053 (VRS6635)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

01-200

6A3513

A

01-200

6A3938

A

Deleted

Deleted

Deleted

Deleted

Deleted

Deleted

Deleted

Deleted

Deleted

01-200

6A8353

D

Deleted

Deleted

Deleted

01-200

6A8688

E

NOTE

Assembly B and Assembly C have been deleted.

Material of component

PART IDENT

MATERIAL

Stage 3 compressor blade

Titanium alloy

General

This repair must only be done when the instructions to do so is given in 72-41-15, INSPECTION.

This Repair removes the tungsten carbide coating on the clapper abutment faces of the HP compressor stage 3 rotor blades. The tungsten carbide 15 percent cobalt metal spray coating is applied by flame detonation deposition process or high velocity oxy-fuel deposition process.

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

Price and Availability

Refer to International Aero Engines

Related Repairs

HP Compressor Rotor Blade - Stage 3 - Repair Damaged or Worn Clapper Abutment Face by Weld, refer to Repair, VRS6616 TASK 72-41-15-300-052 (REPAIR-052).

HP Compressor Stage 3 Rotor Blade - Replace Clapper Coating, refer to Repair, VRS6236 TASK 72-41-15-300-035 (REPAIR-035) or Repair, VRS9297 TASK 72-41-15-300-058 (REPAIR-058).

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-11-03-300-503
SPM TASK 70-12-02-120-501
SPM TASK 70-23-04-230-501
SPM TASK 70-33-59-300-503

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the necessary cleaning and inspection procedures are done before this repair.

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Degreasing equipmentLOCALDegreasing equipment
Rochelle carbonate tankLOCALRochelle carbonate tank
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Abrasive Blast EquipmentLOCALAbrasive Blast Equipment
IAE 3R19363 Inspection fixture0AM53IAE 3R193631
IAE 3R19366 Inspection Block0AM53IAE 3R193661
IAE 3R19367 Inspection block0AM53IAE 3R193671
IAE 3R19372 Stop block0AM53IAE 3R193722
IAE 3R19777 Inspection kit0AM53IAE 3R197771
IAE 3R19815 Clapper width checking fixture0AM53IAE 3R198151
IAE 3R19816 Inspection jaws0AM53IAE 3R198161
IAE 3R19817 Master blade0AM53IAE 3R198171

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-017 WAXLOCALCoMat 02-017
CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADEX222XCoMat 05-003

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-15-110-153 Clean the Blade

      1. Remove the grease.

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

      2. Use degreasing equipment.

    2. SUBTASK 72-41-15-330-056 Mask the Blade

    1. Refer to Figure.

      2. Put the blade fully into hot wax.

    3. Cut back wax to show hard faces.

    3. SUBTASK 72-41-15-330-057 Remove Hard Facings

    1. Refer to Figure.

      2. Remove hard facings by anodically etching the blade.

      1. Refer to the SPM TASK 70-33-59-300-503, SUBTASK 70-33-59-300-006.

      2. Hang the blade from the tip with a clamp to make electrical contact.

      3. Use rochelle carbonate tank.

    4. SUBTASK 72-41-15-110-154 Clean the Blade

    1. Clean the blade fully in clean cold running water.

    5. SUBTASK 72-41-15-110-155 Remove the Wax

    1. Put the blade fully into boiling water to remove wax.

    6. SUBTASK 72-41-15-230-121 Do a Crack Test

      1. Do a penetrant crack test on clapper abutment faces.

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

        2. Use penetrant crack test equipment.

        1. Cracks are not permitted.

    7. SUBTASK 72-41-15-120-071 Abrasive Blast

      1. Lightly abrasive blast struts and airfoil to remove staining.

      1. Refer to the SPM TASK 70-12-02-120-501.

    8. SUBTASK 72-41-15-220-406-A00 Examine the Repair, Assembly A

      2. Measure the dimensions of the clapper abutment faces in relation to the blade.

      3. Blades that are not to the limits in A.

      1. Do Repair, VRS6616 TASK 72-41-15-300-052 (REPAIR-052).

      4. Blades that are to the limits in A.

      1. Do Repair, VRS6236 TASK 72-41-15-300-035 (REPAIR 035) or Repair, VRS9297 TASK 72-41-15-300-058 (REPAIR-058).

    9. SUBTASK 72-41-15-220-406-B00 Examine the Repair, Assembly D and Assembly E

      2. Measure the dimensions of the clapper abutment faces in relation to the blade.

      1. Deleted.

      3. Blades that are not to the limits in A.

      1. Do Repair, VRS6616 TASK 72-41-15-300-052 (REPAIR-052).

      4. Blades that are to the limits in A.

      1. Do Repair, VRS6236 TASK 72-41-15-300-035 (REPAIR-035) or Repair, VRS9297 TASK 72-41-15-300-058 (REPAIR-058).

    10. SUBTASK 72-41-15-110-156 Clean the Blade

      1. Remove the grease.

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

      2. Use degreasing equipment.

    11. SUBTASK 72-41-15-310-062 Repair Damaged or Worn Clapper Abutment Faces by Weld

      1. Repair damaged or worn clapper abutment faces by weld, as necessary.

      1. Refer to Repair, VRS6616 TASK 72-41-15-300-052 (REPAIR-052).

    12. SUBTASK 72-41-15-340-058 Replace the Clapper Coating

      1. Replace the clapper coating.

      1. Refer to Repair, VRS6236 TASK 72-41-15-300-035 (REPAIR-035) or Repair, VRS9297 TASK 72-41-15-300-058 (REPAIR-058).

    13. Figure: Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly A

    Repair Details And Dimensions - Assembly A

    Figure: Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Repair Details And Dimensions - Assembly A, Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly D And Assembly E

    Repair Details And Dimensions - Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly D And Assembly E

    Repair Details And Dimensions - Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly D And Assembly E

    Repair Details And Dimensions - Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly D And Assembly E

    Repair Details And Dimensions - Assembly D And Assembly E

    Figure: Repair Details And Dimensions - Assembly B And Assembly C (Deleted)

    Repair Details And Dimensions - Assembly B And Assembly C (Deleted)

    Figure: Repair Details And Dimensions - Assembly D And Assembly E

    Repair Details And Dimensions - Assembly D And Assembly E

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure and deleted figure. (19VG078)

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X222X
Enterprise Name:N/A – REFER TO APPLICABLE COMAT SUFFIX
Manufacturer Code:LOCAL
Supply Number:CoMat 02-017
Type:sp01
Supply Short Name:CoMat02-017 WAX
Supply Name:CoMat 02-017 WAX
Specification Groups:
Doc NumberType
11429Y/Y MIL-P-23242 OMAT: 228PLATING WAX WILKINS CAMPBELL
JCR-178PLATING WAX WILKINS CAMPBELL
Suppliers:
ManufacturerRemarks
LOCAL
K6835
K4404
Manufacturer Code:X222X
Supply Number:CoMat 05-003
Type:sp01
Supply Short Name:CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE
Supply Name:CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE
Specification Groups:
Doc NumberType
Use one of the CoMat 05-003 letter suffix alternatives.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Abrasive Blast Equipment
Tool Name:Abrasive Blast Equipment
Manufacturer Code:LOCAL
Tool Number:Degreasing equipment
Tool Name:Degreasing equipment
Manufacturer Code:0AM53
Tool Number:IAE 3R19363
Tool Name:IAE 3R19363 Inspection fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19366
Tool Name:IAE 3R19366 Inspection Block
Manufacturer Code:0AM53
Tool Number:IAE 3R19367
Tool Name:IAE 3R19367 Inspection block
Manufacturer Code:0AM53
Tool Number:IAE 3R19372
Tool Name:IAE 3R19372 Stop block
Manufacturer Code:0AM53
Tool Number:IAE 3R19777
Tool Name:IAE 3R19777 Inspection kit
Manufacturer Code:0AM53
Tool Number:IAE 3R19815
Tool Name:IAE 3R19815 Clapper width checking fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19816
Tool Name:IAE 3R19816 Inspection jaws
Manufacturer Code:0AM53
Tool Number:IAE 3R19817
Tool Name:IAE 3R19817 Master blade
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Rochelle carbonate tank
Tool Name:Rochelle carbonate tank