TASK 72-50-41-300-019 LPT Shaft - Repair The Front Face Of Balance Land - Repair-019 (VRS1501)

DMC:V2500-A0-72-50-4101-00A-655A-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 72-50-41-300-019 LPT Shaft - Repair The Front Face Of Balance Land - Repair-019 (VRS1501)

Effectivity

FIG/ITEM

PART NO.

01-200

5A0149

01-200

5A0864

01-200

5A0892

01-200

5A1732

01-200

5A1762

01-200

5A6147

General

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

Material of component

DESCRIPTION

SYMBOL

MATERIAL

LP turbine shaft

Non-corrosion resistant steel

Price and availability - none

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop equipmentLOCALStandard workshop equipment
Grinding machineLOCALGrinding machine
Magnetic particle inspection equipmentLOCALMagnetic particle 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

Spares

NONE

Safety Requirements

CAUTION

WHEN THE LPT MODULE IS INSTALLED, THICKNESS OF ADJUSTING RING MUST BE CALCULATED USING THE NEW DIMENSION J IF THIS REPAIR IS DONE. DO NOT REINSTALL THE REMOVED ADJUSTING RING.

CAUTION

THIS REPAIR CAN BE DONE ONE TIME ONLY.

Procedure

    1. SUBTASK 72-50-41-210-001 Do a Check of the Repair Marking on the LP Turbine Shaft

    1. Refer to Figure.

      2. Do a check of the repair marking.

      1. If VRS1501 is engraved adjacent to the part number, this repair cannot be done.

    2. SUBTASK 72-50-41-324-001 Grind the Front Face of Balance Land of the LP Turbine Shaft

    1. Refer to Figure.

      2. Set up and grind the damaged face.

      1. Use a universal grinding machine.

        Use standard workshop equipment.

        Remove the minimum quantity of material necessary to remove the damage.

      3. Remove burrs and break sharp edges.

    3. SUBTASK 72-50-41-220-113 Visually and Dimensionally Examine the Ground Area

    1. Refer to Figure.

      2. Visually and dimensionally examine the ground area.

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

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

    4. SUBTASK 72-50-41-240-070 Examine the LP Turbine Shaft for Cracks

      1. Magnetic particle examine the repaired area.

      1. Refer to the SPM TASK 70-24-01-240-501. No cracks are permitted.

    5. SUBTASK 72-50-41-220-114 Measure the Dimension J

    1. Refer to Figure.

    2. Measure the Dimension J.

      3. Remove the marking for the existing Dimension J and re-identify the measured Dimension J adjacent to the existing marking.

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

        Use vibro-engraving equipment.

    6. SUBTASK 72-50-41-350-065 Identify the Repair

      1. Make a mark VRS1501 adjacent to the part number.

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

        Use vibro-engraving equipment.

    7. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Magnetic particle inspection equipment
Tool Name:Magnetic particle inspection equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment