TASK 72-44-30-300-002 Inner Combustion Chamber Liner - Repair The Plasma Coat on The Rear Flange-To-Vane Platform Seal Face, Repair-002 (VRS3265)

DMC:V2500-A0-72-44-3001-00A-609A-C|Issue No:005.00|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

All

Common Information

TASK 72-44-30-300-002 Inner Combustion Chamber Liner - Repair The Plasma Coat on The Rear Flange-To-Vane Platform Seal Face, Repair-002 (VRS3265)

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 - inner liner

Wrought non-hardenable

nickel base alloy

Pre-requisites

Remove the liner segments and the gangnut channels.

Refer to Repair, VRS3173 TASK 72-44-30-300-001 (REPAIR-001) and Repair, VRS3264 TASK 72-44-30-300-003 (REPAIR-003).

Remove coating on the rear mounting flange.

Refer to Repair, VRS3170 TASK 72-44-30-300-004 (REPAIR-004).

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that the cleaning and inspection procedures are done before this repair.

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
DELETEDLOCALDELETED
CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)33870CoMat 03-089
CoMat 03-096 PLASMA SPRAY POWDERLOCALCoMat 03-096

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-30-350-062 Remove the Wear and Coat from the Rear Flange-to-Vane Platform Seal Face on the Combustion Chamber Inner Liner

    1. Refer to Figure.

    2. Remove the wear and coat from the rear flange-to-vane platform seal face to the limits in Figure and one or more of the methods that follow.

      3. Remove plasma coat by high pressure water blast stripping.

      1. Refer to SPM TASK 70-15-01-160-501.

      4. Remove wear and plasma coat.

      5. Remove the wear by machining.

      1. Remove the minimum amount of parent material necessary to do the repair.

    2. SUBTASK 72-44-30-100-001 Clean the Part by Aqueous Cleaning Method

      1. Clean the part by Aqueous Degrease.

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

    3. SUBTASK 72-44-30-230-064 Fluorescent Penetrant Inspect the Repair Area

      1. If grinding was used to remove plasma coating, do a fluorescent penetrant inspection of the repair area by one of the methods that follow.

      1. Do a fluorescent penetrant inspection of the repair area by SPM TASK 70-23-03-230-501.

      2. Do a fluorescent penetrant inspection of the repair area by SPM TASK 70-23-08-230-501.

    4. SUBTASK 72-44-30-220-096 Do an Inspection of the Repair Area

    1. Refer to Figure.

      2. Do a dimensional inspection of the repair area.

      1. Refer to Figure.

    5. SUBTASK 72-44-30-380-007 Prepare the Combustion Chamber Inner Liner

    1. Refer to Figure.

      2. Prepare the part for coating.

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

        Grit blast out of the repair area shown is not permitted. Use masks. Shot peen is not required.

    6. SUBTASK 72-44-30-340-051 Apply Plasma Coating to the Rear Flange-to-Vane Platform Seal Face of the Combustion Chamber Inner Liner

    1. Refer to Figure.

      2. Coat the repair area by IAE 53-18, IAE 53-37 or IAE 53-47.

      2. Apply sufficient coating to get the finish requirements after finishing of the coating.

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

      4. Unless specified differently, coat out of the repair area is not permitted. If necessary, apply masking. Refer to Figure.

    7. SUBTASK 72-44-30-110-064 Remove the Masks or Maskants

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

      1. Remove the tape residue by Solvent Cleaning.

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

    8. SUBTASK 72-44-30-320-005 Finish the Repair Area

    1. Refer to Figure.

      2. Finish the repaired area to the limits shown.

      1. Refer to SPM TASK 70-32-07-100-501 and Figure.

      2. Finish coat thickness must be 0.003 in to 0.020 in. (0.08 mm to 0.51 mm).

      3. As necessary, blend to remove any overspray on the outer diameter flush with parent material.

      1. Refer to SPM TASK 70-35-03-300-501 and Figure.

    9. SUBTASK 72-44-30-110-065 Clean the Combustion Chamber Inner Liner Assembly

      1. Clean part by Aqueous Degrease.

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

    10. SUBTASK 72-44-30-220-076 Do a Visual and a Dimensional Inspection of the Plasma Coating on the Rear Flange-to-Vane Platform Seal Face on the Combustion Chamber Inner Liner

    1. Refer to Figure and Figure.

      2. Do a visual inspection of the coating by IAE 53.

      3. Do a dimensional inspection of the part.

      1. Refer to Figure and Figure.

    11. SUBTASK 72-44-30-350-063 Postrequisites

      1. Identify the Repair.

      1. Make a mark VRS3265 adjacent to the part number.

      2. Make a permanent mark by SPM TASK 70-09-00-400-501.

      3. Use only "Electrolytic Etch, Deep", "Metal Stamp, Press or Roll", "Vibration Peen, Manual or Mechanical", "Engrave, Manual or Mechanical", "Drag Impression" and "Dot Peen, Deep" only.

      2. Apply plasma coating on the rear mounting flange.

      1. Refer to Repair, VRS3170 TASK 72-44-30-300-004 (REPAIR-004).

      3. Install the liner segments and the gangnut channels.

      1. Refer to Repair, VRS3173 TASK 72-44-30-300-001 (REPAIR-001) and Repair, VRS3264 TASK 72-44-30-300-003 (REPAIR-003).

    12. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    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:33870
Enterprise Name:PRAXAIR SURFACE TECHNOLOGIES INC.
BU Name:PRAXAIR SURFACE TECHNOLOGIES INC.
Street:1500 POLCO STREET
City:INDIANAPOLIS
State:IN
Zip Code:46222
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:33870
Supply Number:CoMat 03-089
Type:sp01
Supply Short Name:CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)
Supply Name:CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)
Specification Groups:
Doc NumberType
PWA 1337 (PW REF)NI-109 or NI-970 or AI 1037
Suppliers:
ManufacturerRemarks
33870
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
Manufacturer Code:LOCAL
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL