TASK 72-44-20-300-011 HPT Stage 1 Vane - Blend Repair The Airfoil, Repair-011 (VRS3154)

DMC:V2500-A0-72-44-2000-00A-649A-C|Issue No:001.00|Issue Date:2014-05-01

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 72-44-20-300-011 HPT Stage 1 Vane - Blend Repair The Airfoil, Repair-011 (VRS3154)

Effectivity

FIG/ITEM

PART NO.

01-240

2A0561

01-240

2A2761

01-240

2A4201

01-240

2A5591

01-240

2A4271

01-250

2A0091CL21

01-250

2A2591CL21

01-251

2A0091CL22

01-251

2A2591CL22

01-252

2A0091CL23

01-252

2A2591CL23

01-253

2A0091CL24

01-253

2A2591CL24

01-254

2A0091CL25

01-254

2A2591CL25

01-255

2A0091CL26

01-255

2A2591CL26

01-256

2A0091CL27

01-256

2A2591CL27

01-257

2A0091CL28

01-257

2A2591CL28

01-258

2A0091CL29

01-258

2A2591CL29

01-259

2A0091CL30

01-259

2A2591CL30

01-260

2A0091CL31

01-260

2A2591CL31

01-261

2A0091CL32

01-261

2A2591CL32

01-262

2A0091CL33

01-262

2A2591CL33

01-263

2A0091CL34

01-263

2A2591CL34

01-264

2A0091CL35

01-264

2A2591CL35

01-265

2A0091CL36

01-265

2A2591CL36

01-266

2A0091CL37

01-266

2A2591CL37

01-267

2A0091CL38

01-267

2A2591CL38

01-268

2A0091CL39

01-268

2A2591CL39

01-269

2A0091CL40

01-269

2A2591CL40

01-270

2A0091CL41

01-270

2A2591CL41

01-271

2A0091CL42

01-271

2A2591CL42

01-272

2A0091CL43

01-272

2A2591CL43

01-273

2A0091CL44

01-273

2A2591CL44

01-274

2A0091CL45

01-274

2A2591CL45

01-275

2A0091CL46

01-275

2A2591CL46

01-276

2A0091CL47

01-276

2A2591CL47

01-277

2A0091CL48

01-277

2A2591CL48

01-278

2A0091CL48-5

01-279

2A0091CL49

01-279

2A2591CL49

01-280

2A0091CL49-5

01-284

2A2591CL50

01-286

2A2591CL51

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 1 HPT vane cluster assembly

Cast cobalt allot

General

This repair must only be done when the instruction to do so is given in 72-44-20 Inspection.

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

You can blend over any repaired areas on the airfoil if you do not exceed the limits given in the figure.

Price and availability - none

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
FileLOCALFile

(fine)

Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-110 EMERY POLISHING PAPER0AM53CoMat 05-110
CoMat 05-120 POLISHING CLOTH06565CoMat 05-120

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-20-350-051 Blend the Dents and Nicks on the Airfoils Leading Edge

      1. Blend the dents and nicks on the airfoils leading edge.

      1. Refer to Figure.

      2. All blends must be smooth, round bottomed and made in the shape of the initial contour.

      3. The maximum blend length to depth is 6 to 1.

      4. The blends must be apart by a minimum of 0.300 in. (7.62 mm).

      5. Make sure all the cooling air holes are clean and open.

    2. SUBTASK 72-44-20-350-052 Blend the Dents and Nicks on the Airfoils and the Trailing Edges

      1. Blend the dents and nicks on the airfoils and the trailing edge.

      1. Refer to Figure.

      2. All blends must be smooth and round bottomed and made in the shape of the initial contour.

      3. The maximum blend length to depth is 6 to 1.

      4. The blends must be apart by a minimum of 0.300 in. (7.62 mm).

      5. Make sure all the cooling air holes are clean and open.

      7. For larger dents and nicks use a fine file or CoMat 05-106 ABRASIVE STONE.

      8. Finish the blend with the fine abrasive stone.

    3. SUBTASK 72-44-20-220-061 Examine the Airfoils

      1. Examine the airfoils.

      1. Refer to Figure.

      2. The total maximum blended area is 0.500 sqin. (3.226 sqcm).

    4. SUBTASK 72-44-20-340-051 Coat the Airfoils

      1. Coat the airfoil.

      1. Refer to Repair, VRS3164 TASK 72-44-20-300-015 (REPAIR-015), or Repair VRS3584 TASK 72-44-20-300-028 (REPAIR-028), or Repair VRS3613 TASK 72-44-20-300-033 (REPAIR-033).

    5. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

EA 13VC202 incorporated

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: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:06565
Supply Number:CoMat 05-120
Type:sp01
Supply Short Name:CoMat 05-120 POLISHING CLOTH
Supply Name:CoMat 05-120 POLISHING CLOTH
Specification Groups:
Doc NumberType
NORTON 4/0 (0.0000)
Suppliers:
ManufacturerRemarks
06565
Manufacturer Code:LOCAL
Tool Number:File
Tool Name:File
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment