TASK 72-32-83-300-009 LPC Front Case - Repair The Snap Diameter By Plasma Spray, Repair-009 (VRS1389)

DMC:V2500-A1-72-32-8330-01A-609A-C|Issue No:001.00|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

V2500-A1

Common Information

TASK 72-32-83-300-009 LPC Front Case - Repair The Snap Diameter By Plasma Spray, Repair-009 (VRS1389)

Effectivity

FIG/ITEM

PART NO.

01-350

5A7399

01-350

5A0062

01-350

5A0961

01-350

5A1814

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

LPC front case assembly

Aluminum alloy

General

Price and availability - none

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

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Non-metallic scraperLOCALNon-metallic scraper
Vertical latheLOCALVertical lathe
Abrasive blasting facilityLOCALAbrasive blasting facility
Plasma spray facilityLOCALPlasma spray facility
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
IAE 3J12755 Machining fixture0AM53IAE 3J127551

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001
CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)IE200CoMat 03-038
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-83-320-052 Machine the Snap Diameter of the LPC Front Case Assembly

    1. Refer to Figure.

      2. Set up the front case assembly on machine.

      1. Use vertical lathe and IAE IAE 3J12755 Machining fixture 1 off.

      3. Machine the snap diameter.

      1. All fretting, galling and previous metal spray must be removed, but keep metal removal to a minimum.

    2. SUBTASK 72-32-83-220-091 Examine the Snap Diameter

      1. Measure and record the snap diameter.

      1. Refer to Figure.

    3. SUBTASK 72-32-83-230-061 Examine the LPC Front Case Assembly for Cracks

      1. Fluorescent penetrant examine machined area.

      1. No cracks are permitted.

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

    4. SUBTASK 72-32-83-340-052 Plasma Spray the Snap Diameter of the Front Case Assembly

    1. Refer to Figure.

      2. Apply masking tape to the areas which are not to be given plasma spray.

      3. Abrasive blast the snap diameter.

      2. Refer to the SPM TASK 70-34-01-340-501.

      4. Renew masking if necessary.

      5. Plasma spray the front snap diameter to a diameter 35.854in. (910.69 mm) min.

      2. Refer to the SPM TASK 70-34-01-340-501.

        PLASMA SPRAY PARAMETER

        Powder .. .. .. ..

        Metco 450 NS

        Gun Model .. .. .. ..

        Metco 3 MB / 7 MB / 9 MB

        Nozzle .. .. .. ..

        GH

        Powder Port .. .. ..

        No.2

        Argon Pressure .. .. ..

        100 psi (690 Kpa)

        Helium Pressure .. .. ..

        50 psi (344 Kpa)

        Argon Flow Setting .. ..

        80 ft 3/Hr

        Helium Flow Setting .. ..

        15

        Carrier Flow Setting .. ..

        37

        Spray Rate .. .. .. ..

        9 lbs / HOUR

        Meter Wheel .. .. ..

        S

        Meter Wheel Speed .. ..

        20 rpm

        Spray Distance .. .. ..

        4 - 7in. (102 - 177 mm)

        Arc Volts .. .. .. ..

        64 - 70

        Current .. .. .. ..

        500 amps

      6. Remove the masking tape and any over spray.

      1. Use non-metallic hand scraper.

    5. SUBTASK 72-32-83-220-092 Examine the Snap Diameter

      1. Examine the snap diameter for adhesion, chipping and separation.

      1. Refer to the SPM TASK 70-34-01-340-501.

    6. SUBTASK 72-32-83-220-093 Machine the Snap Diameter of the Front Case Assembly

    1. Refer to Figure.

      2. Set up the front case assembly on machine.

      1. Use vertical lathe and IAE IAE 3J12755 Machining fixture 1 off.

      3. Machine the coated area.

      1. Refer to the SPM TASK 70-34-01-340-501.

    7. SUBTASK 72-32-83-220-094 Examine the Snap Diameter of the Front Case Assembly

    1. Refer to Figure.

      2. Visually and dimensionally examine the repaired area.

      1. Use 10X magnifying glass.

      2. No cracks are permitted.

      3. Refer to the SPM TASK 70-34-01-340-501.

    8. Figure: Repair details and dimensions

    Repair details and dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
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:IE200
Enterprise Name:DELETED, REFER TO CAGE CODE 00BB6
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 02-001
Type:sp01
Supply Short Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 230 (RR REF)ZINC OXIDE AT142
JCR-197 (JAEC REF)ZINC OXIDE AT142
Suppliers:
ManufacturerRemarks
LOCAL
K6835
U0415
Manufacturer Code:00BB6
Supply Number:CoMat 03-038
Type:sp01
Supply Short Name:CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)
Supply Name:CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)
Specification Groups:
Doc NumberType
OMAT: 3/188 (RR REF)METCO 450NS
JCR-020 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
01FK3
0Y7E4
C1840
IE103
K0455
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 05-001
Type:sp01
Supply Short Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Supply Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Specification Groups:
Doc NumberType
Use one of the CoMat 05-001 letter suffix alternatives.
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Tool Number:Abrasive blasting facility
Tool Name:Abrasive blasting facility
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
Manufacturer Code:0AM53
Tool Number:IAE 3J12755
Tool Name:IAE 3J12755 Machining fixture
Link not Found
Manufacturer Code:LOCAL
Tool Number:Plasma spray facility
Tool Name:Plasma spray facility
Manufacturer Code:LOCAL
Tool Number:Vertical lathe
Tool Name:Vertical lathe