TASK 72-32-35-300-004 Front Bearing Compartment Rear Air Seal Assembly - Repair The Snap Diameter By Plasma Spraying, Repair-004 (VRS1253)

DMC:V2500-A1-72-32-3501-00A-609A-C|Issue No:002.00|Issue Date:2015-08-01

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 72-32-35-300-004 Front Bearing Compartment Rear Air Seal Assembly - Repair The Snap Diameter By Plasma Spraying, Repair-004 (VRS1253)

Effectivity

FIG/ITEM

PART NO.

01-100

5R0057

01-100

5R0176

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Rear Air Seal

-

Titanium alloy

General

Price and availability

Refer to IAE for any of the following:

Tools

Engine parts

Repair of spares

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

This Repair scheme gives the procedure for plasma spraying the snap diameter of the rear air seal assembly.

NOTE

Equivalent equipment may be used.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
LatheLOCALLathe
Grinding machineLOCALGrinding machine
Abrasive blasting facilityLOCALAbrasive blasting facility
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-051 HIGH TEMPERATURE GLASS CLOTH TAPE0AM53CoMat 02-051
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 72-32-35-325-051 Machine the Worn Snap Diameter

    1. Refer to Figure.

      2. Attach the rear air seal on a lathe, set the rear air seal to run true.

      1. Use a lathe.

    3. Machine the snap diameter to 8.988 to 8.981 in. (228.3 to 228.1 mm).

    2. SUBTASK 72-32-35-220-058 Inspect the Rear Air Seal

      1. Do a visual inspection for the machined area.

      1. Refer to the SPM TASK 70-21-01-220-501.

    3. SUBTASK 72-32-35-230-053 Examine the Rear Air Seal for Cracks

      1. Do a crack test. Cracks are not permitted.

      1. Refer to the SPM TASK 70-23-01-230-501.

    4. SUBTASK 72-32-35-120-051 Abrasive Blast the Rear Air Seal

      1. Mask off areas that are not to be plasma sprayed.

      2. Abrasive blast the rear air seal surface to be plasma sprayed.

    5. SUBTASK 72-32-35-340-051 Apply Plasma Spray on the Snap Diameter

    1. Refer to Figure.

      2. Touch up masking if necessary.

      3. Apply plasma spray. Maximum diameter of 8.960 in. (227.59 mm) is required after plasma spraying.

    6. SUBTASK 72-32-35-324-052 Grind the Snap Diameter

    1. Refer to Figure.

    2. Grind the plasma sprayed snap diameter to 8.9725 to 8.9698 in. (227.903 to 227.831 mm).

    7. SUBTASK 72-32-35-220-059 Examine the Rear Air Seal

      1. Do a visual inspection.

      1. Refer to the SPM TASK 72-32-35-200-000.

    8. Figure: Rear air seal

    Rear air seal

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised note to remove "materials or". (PSAF 15VC314)

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:X111X
Supply Number:CoMat 02-051
Type:sp01
Supply Short Name:CoMat 02-051 HIGH TEMPERATURE GLASS CLOTH TAPE
Supply Name:CoMat 02-051 HIGH TEMPERATURE GLASS CLOTH TAPE
Suppliers:
ManufacturerRemarks
X111X
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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Lathe
Tool Name:Lathe