TASK 72-44-30-300-004 Inner Combustion Chamber Liner - Repair The Plasma Coat on The Rear Mount Flange, Repair-004 (VRS3170)

DMC:V2500-A0-72-44-3001-01A-609A-C|Issue No:002.00|Issue Date:2019-11-01

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

2A0549-01 2A1374 2A1398 2A1617 2A2034 2A2034-001 2A2722-012A2838-01 2A3344-001 2A3344-002 2A3344-003 2A3344-004 2A3344-005 2A3344-0062A3344-007 2A3344-01 2A3351-003 2A3351-004 2A3351-01 2A4283-01 2A4311-012A4313-01 2A4315-001 2A4315-01

Common Information

TASK 72-44-30-300-004 Inner Combustion Chamber Liner - Repair The Plasma Coat on The Rear Mount Flange, Repair-004 (VRS3170)

Effectivity

FIG/ITEM

PART NO.

01-401

2A0549-01

01-401

2A1374

01-401

2A1398

01-401

2A1617

01-401

2A2034

01-401

2A2034-001

01-401

2A2722-01

01-401

2A2838-01

01-401

2A3344-01

01-401

2A3344-001

01-401

2A3344-002

01-401

2A3344-003

01-401

2A3344-004

01-401

2A3344-005

01-401

2A3344-006

01-401

2A3344-007

01-401

2A3351-01

01-401

2A3351-003

01-401

2A3351-004

01-401

2A4283-01

01-401

2A4311-01

01-401

2A4313-01

01-401

2A4315-01

01-401

2A4315-001

01-420

2A2718-01

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Combustion Chamber -

Wrought non-hardable

Inner liner

nickel base alloy

General

Price and availability - refer to IAE

A ** following SPM TASK referenced in this repair indicates that the Process is not yet published in the current revision of the SPM manual. Contact IAE for additional information concerning the Process.

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

Prerequisites

Make sure that the cleaning and inspection procedures are done before this repair

Refer to Engine Manual, PN E-V2500-1IA, Section 72-44-30 and SPM Manual, PN SPM-V2500-1IA Section 70-11-00

Remove the liner segments and the gang nut channels

Refer to Repair 001, VRS3173 TASK 72-44-30-300-001 and Repair 003, VRS3264 V2500-A0-72-44-3001-00A-920A-C

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINEDK026CoMat 03-066
CoMat 03-096 PLASMA SPRAY POWDERLOCALCoMat 03-096

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-30-330-001 Remove Wear and/or Existing Coating from the Rear Mount Flange

    1. Refer to Figure.

      2. Grind to remove all wear and/or existing coating from the rear mount flange.

      1. Refer to SPM TASK 70-32-07-300-503. Remove minimum amount of material necessary to do the repair.

    2. SUBTASK 72-44-30-110-058 Clean the Combustion Chamber Inner Liner Assembly

      1. Clean the part by aqueous degrease.

      1. Refer to SPM TASK 70-11-03-300-503.

    3. SUBTASK 72-44-30-230-069 Do a Fluorescent Penetrant Inspection of the Repair Area

      1. Do a fluorescent penetrant inspection of the repair area.

      1. Refer to SPM TASK 70-23-03-230-501 or SPM TASK 70-23-08-230-501 or SPM TASK 70-23-05-230-501. Use high sensitivity. No cracks permitted.

    4. SUBTASK 72-44-30-220-098 Do a Dimensional Inspection of the Combustion Chamber Inner Liner Assembly

    1. Refer to Figure.

      2. Do a dimensional inspection of the combustion chamber inner liner assembly.

        1. If Dimension 1 in Figure is less than 0.153 in. (3.89 mm) and more than 0.140 in. (3.56 mm)

        1. Proceed to Step to locally build up the surface before application of the top coat

        2. If Dimension 1 in Figure is more than 0.153 in. (3.89 mm) and less than 0.161 in. (4.09 mm)

        1. Proceed to Step

    5. SUBTASK 72-44-30-380-006 Prepare the Combustion Chamber Inner Liner Assembly for Base Coat

    1. Refer to Figure.

      2. Prepare the combustion chamber inner liner assembly for base coat.

      1. Refer to SPM TASK 70-34-18-380-501.

        Shotpeen is not required. Grit blast out of the repair area is not permitted. Use masks.

    6. SUBTASK 72-44-30-340-052 Apply Base Coat to the Rear Mount Flange

    1. Refer to Figure.

      2. Coat the repair area by IAE 53-47.

      1. Use CoMat 03-096 PLASMA SPRAY POWDER. Refer to theSPM TASK 70-34-03-340-501 and Fig.72-44-300-990-013-001.

        Unless otherwise specified, coat out of the repair area is not permitted. Coat to a sufficient thickness to permit finishing.

      3. Dry machine or dry grind the base coat.

      1. Finish coat thickness must be 0.003 to 0.021 in. (0.08 to 0.03 mm) thick. Refer to the SPM TASK 70-34-03-340-501 and Figure. No cutting fluids are permitted.

    7. SUBTASK 72-44-30-380-009 Prepare the Combustion Chamber Inner Liner Assembly for Top Coat

      1. Prepare the combustion chamber inner liner assembly for top coat.

      1. Refer to SPM TASK 70-34-18-380-501 and Figure. Shotpeen is not required. Grit blast out of the repair area is not permitted. Use masks.

    8. SUBTASK 72-44-30-340-060 Apply Top Coat to the Rear Mount Flange

      1. Coat the repair area by IAE 53-5.

      1. Unless otherwise specified, coat out of the repair area is not permitted. Final coating thickness must be 0.003 to 0.005 in. (0.08 to 0.13 mm). Grinding to achieve finish dimensions is not permitted.

    9. SUBTASK 72-44-30-110-059 Remove Masks and Tape Residue from the Combustion Chamber Inner Liner Assembly

    1. After the coat is applied and the part is cool, remove the mask or maskant.

      2. Remove the tape residue.

      1. Refer to SPM TASK 70-11-26-300-503.

    10. SUBTASK 72-44-30-110-060 Clean the Combustion Chamber Inner Liner Assembly

      1. Clean the part by aqueous degrease.

      1. Refer to SPM TASK 70-11-03-300-503.

    11. SUBTASK 72-44-30-220-099 Do a Dimensional Inspection of the Combustion Chamber Inner Liner Assembly

    1. Refer to Figure.

      2. Do a dimensional inspection of the combustion chamber inner liner assembly.

      1. Finish coating thickness must be 0.003 to 0.005 in. (0.08 to 0.13 mm).

    12. SUBTASK 72-44-30-220-077 Examine the Plasma Coating on the Rear Mount Flange

      1. Examine the coating after repair by IAE 53.

      1. Refer to SPM TASK 70-34-03-340-501.

    13. SUBTASK 72-44-30-350-065 Postrequisites

      1. Vibropeen mark "VRS3170" adjacent to the part number.

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

      2. Install the liner segments and the gang nut channels.

      1. Refer to Repair 001, VRS3173 TASK 72-44-30-300-001 and Repair 003, VRS3264 V2500-A0-72-44-3001-00A-920A-C.

    14. Figure: Repair Details and Dimensions

    Sheet 1

    Legend
    Repair Details and Dimensions

    Sheet 1

    Close

    Figure: Repair Details and Dimensions

    Sheet 2

    Legend
    Repair Details and Dimensions

    Sheet 2

    Close

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised effectivity table to add PN 2A2718-01. (19VC111)

Manufacturer Code:DK026
Enterprise Name:STARCK GMBH AND CO KG
BU Name:STARCK GMBH AND CO KG
Street:IM SCHLEEKE 78-91
City:38642 GOSLAR
Country:GERMANY
Phone Number:49-5321-7510
Fax Number:49-5321-7516 192
Internet:www.hcstarck.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:DK026
Supply Number:CoMat 03-066
Type:sp01
Supply Short Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Supply Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Specification Groups:
Doc NumberType
AMS 7875 (PW REF)AMPERIT 585.435
Suppliers:
ManufacturerRemarks
DK026
Manufacturer Code:LOCAL
Supply Number:CoMat 03-096
Type:sp01
Supply Short Name:CoMat 03-096 PLASMA SPRAY POWDER
Supply Name:CoMat 03-096 PLASMA SPRAY POWDER
Specification Groups:
Doc NumberType
AMPERIT 298.442 OR AMPERIT 299.442
Suppliers:
ManufacturerRemarks
LOCAL
IAE15
IE252