TASK 72-50-41-300-001 LPT Shaft - Blend Repair On The Threads, Repair-001 (VRS1492)

DMC:V2500-A0-72-50-4101-00A-649A-C|Issue No:002.00|Issue Date:2013-11-01

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 72-50-41-300-001 LPT Shaft - Blend Repair On The Threads, Repair-001 (VRS1492)

Effectivity

FIG/ITEM

PART NO.

01-200

5A0149

01-200

5A0864

01-200

5A0892

01-200

5A1732

01-200

5A6147

01-200

5A1762

Material of component

PART IDENT

SYMBOL

MATERIAL

LP Turbine Shaft

Non corrosion resistant steel

General

Price and availability - none

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

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Magnetic particle inspection equipmentLOCALMagnetic particle inspection equipment
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
Vibro-engraving equipmentLOCALVibro-engraving equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-019 WATERPROOF SILICON CARBIDELOCALCoMat 05-019
CoMat 05-020 WATERPROOF SILICON CARBIDELOCALCoMat 05-020
CoMat 05-021 WATERPROOF SILICON CARBIDE44197CoMat 05-021
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-41-350-060 Remove the Damage from the Thread

      1. Make smooth and/or hand polish to remove damage on thread.

      1. Use honing stone or CoMat 05-019 WATERPROOF SILICON CARBIDE, CoMat 05-020 WATERPROOF SILICON CARBIDE and CoMat 05-021 WATERPROOF SILICON CARBIDE and/or fine file to remove thread pick up, high metal and polish any other damaged surface on thread. Remove the minimum quantity of material necessary to remove the damaged area.

        Surface finish on the repaired areas must be same as that of the adjacent area.

        Refer to Figure.

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

    2. SUBTASK 72-50-41-220-089 Visually Examine the Thread

      1. Visually examine the repaired area.

      1. Visually examine the repaired area for nicks, and/or scratches using 10X magnifying glass.

        TASK 72-50-41-200-000 (INSPECTION/CHECK-000).

    3. SUBTASK 72-50-41-240-059 Examine the Thread

      NOTE

      This is an alternative to Step.

      1. Magnetic particle examine the repaired area.

      1. Make sure there are no cracks in repaired area.

        Refer to TASK 72-50-41-200-000 (INSPECTION/CHECK-000).

        Refer to the SPM TASK 70-24-01-240-501.

    4. SUBTASK 72-50-41-230-061 Examine the Turbine Shaft for Cracks

      NOTE

      This is an alternative to Step.

      1. Fluorescent penetrant examine the repaired area.

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

        Make sure there are no cracks in repaired area.

    5. SUBTASK 72-50-41-350-062 Make a Mark VRS1492 on the LP Turbine Shaft

    1. Write VRS1492 adjacent to the part number using the vibro-engraver.

    6. Figure: LP turbine shaft - repair limit

    LP turbine shaft - repair limit

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Manufacturer Code:44197
Enterprise Name:SAINT-GOBAIN INDUSTRIAL CERAMICS INC.
BU Name:SAINT-GOBAIN ABRASIVES, INC
Street:ONE NEW BOND STREET
P.O. Box:PO BOX 15008
City:WORCESTER
State:MA
Zip Code:01615-0008
Country:USA
Phone Number:1-508-795-5000
Fax Number:1-508-795-2828
Internet:www.saint-gobain-northamerica.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:1E1X8
Supply Number:CoMat 05-019
Type:sp01
Supply Short Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/31 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 400 (ANSI B74.18)
JCR-184 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-020
Type:sp01
Supply Short Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/33 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 320 (ANSI B74.18)
JCR-027 (JAEC REF)
JCR-186 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-021
Type:sp01
Supply Short Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/35 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 240 (ANSI B74.18 )
JCR-188 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
Manufacturer Code:LOCAL
Tool Number:Magnetic particle inspection equipment
Tool Name:Magnetic particle inspection equipment
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment