TASK 72-44-10-300-008 HPT Stage 1 Support Assembly - Plasma Spray The Outside Diameter Bolt Flange Front Snap Diameter, Repair-008 (VRS3270)

DMC:V2500-A0-72-44-1001-01A-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

All

Common Information

TASK 72-44-10-300-008 HPT Stage 1 Support Assembly - Plasma Spray The Outside Diameter Bolt Flange Front Snap Diameter, Repair-008 (VRS3270)

Effectivity

FIG/ITEM PART NO.

01-010

2A1358

01-010

2A1664

01-010

2A2703

01-010

2A3360

01-010

2A3367

01-010

2A3896

01-010

2A4027

01-010

2A4085

Material of component

PART IDENT

IAE

SYMBOL

MATERIAL

Stage 1 HPT support

-

Nickel alloy

General

Price and availability - refer to IAE

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.

NOTE

  1. This repair is not applicable to Stage 1 HPT Support Assembly, PN 2A1292. PN 2A1292 must be modified by the instructions in SB 72-0002/Rework-001 and re-identified as PN 2A1358 before you do this repair.

  2. Remove the stage 1 HPT seal from the stage 1 HPT support assembly before you do this repair. Refer to TASK 72-44-10-040-001 (DISASSEMBLY).

  3. If VRS3129 and VRS3270 have to be done on the same part, find the temporary location features on the Stage 1 HPT Support that will not change during the repair procedure before removal of all the plasma coat.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Grinding or turning equipmentLOCALGrinding or turning equipment
Grit blast equipmentLOCALGrit blast equipment
Non metallic hand scraperLOCALNon metallic hand scraper
Plasma spray equipmentLOCALPlasma spray equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-080 METAL SPRAYING POWDER,Co BASE ALLOYIE426CoMat 03-080
CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)00741CoMat 03-089
CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5)0AM53CoMat 03-090

Spares

NONE

Safety Requirements

CAUTION

DIAMETER J IS OFFSET FROM DIAMETER B BY 0.010 IN. (0.25 MM). REFER TO Figure, Figure AND Figure.

Procedure

    1. SUBTASK 72-44-10-350-071 Remove the Damage or Wear and all the Coat from the Outer Diameter Bolt Flange Front Snap Diameter by one or more of the Procedures that follow

    1. Refer to Figure thru Figure.

      2. Remove all the coat by water jet strip procedure.

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

      3. Do a machine or grind operation of the front snap diameter to remove all wear or coat.

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

        Hold to minimum diameter.

        NOTE

        If the measured dimension in a free condition is not satisfactory, a held condition is permitted. All dimensions are applicable when Surface F is flat by 0.005 in. (0.13 mm) and Diameter J keeps a clearance envelope of 28.242 in. (717.35 mm) diameter in a free or held condition. In a free condition, Surface F must be flat by 0.010 in. (0.25 mm) and Diameter J must be 28.210 to 28.266 in. (716.53 to 717.96 mm). Hold the duct only on Surfaces F and H and Diameter J.

    2. SUBTASK 72-44-10-110-074 Inspect the Stage 1 HPT Support

    1. Refer to Figure thru Figure.

      2. Clean the Stage 1 HPT Support.

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

      3. If you did a grind operation, do a fluorescent penetrant inspection of the front snap diameter.

      4. Do a dimensional inspection of the repair area.

      1. Refer to Figure thru Figure.

    3. SUBTASK 72-44-10-340-052 Plasma Spray the Front Snap Diameter

    1. Refer to Figure thru Figure.

      2. Apply a mask to the areas not to be coated.

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

        No coating is permitted on the flange face.

      3. Grit blast the front snap diameter.

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

        Grit blast out of repair area shown is not permitted. If necessary, apply a mask or maskants. Refer to Figure.

      4. Plasma spray the front snap diameter.

      5. Remove the masking and the overspray.

      1. Use a non metallic hand scraper.

    4. SUBTASK 72-44-10-320-055 Finish the Front Snap Diameter after Plasma Spray

    1. Refer to Figure thru Figure.

      2. Do a finish machine operation the front snap diameter after plasma spray.

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

        Finish coat thickness must be 0.003 to 0.025 in. (0.08 to 0.64 mm).

      3. Clean the Stage 1 HPT Support.

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

        NOTE

        If the measured dimension in a free condition is not satisfactory, a held condition is permitted. All dimensions apply when Surface F is flat by 0.005 in. (0.13 mm) and Diameter J maintains a clearance envelope of 28.242 in. (717.35 mm) diameter in a free or held condition. In a free condition, Surface F must be flat by 0.010 in. (0.25 mm) and Diameter J must be 28.210 to 28.266 in. (716.53 to 717.96 mm). Hold the duct only on Surfaces F and H and Diameter J.

    5. SUBTASK 72-44-10-220-093 Examine the Repair

    1. Refer to Figure thru Figure.

      2. Do a visual inspection on the plasma spray area.

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

      3. Do a dimensional inspection on the part.

      1. Refer to the SPM TASK 70-34-03-340-501 and TASK 72-44-10-200-001 (INSPECTION/CHECK-001).

    6. SUBTASK 72-44-10-350-054 Identify the Repair

      1. Mark VRS3270 adjacent to the part number.

      1. Make a permanent mark by the procedure given in the SPM TASK 70-09-00-400-501.

        Use the vibration peen method.

    7. SUBTASK 72-44-10-350-072 Install the Stage 1 HPT Seal Again

      1. Install the Stage 1 HPT Seal on the Stage 1 HPT Support Assembly.

      1. Refer to TASK 72-44-10-440-001 (Assembly).

    8. Figure: Repair Details and Dimensions (PN 2A1358 and 2A1664 Only)

    Sheet 1

    Legend
    Repair Details and Dimensions (PN 2A1358 and 2A1664 Only)

    Sheet 1

    Close

    Figure: Repair Details and Dimensions (PN 2A2703, 2A3367, 2A3360, 2A3896 and 2A4027 Only)

    Sheet 2

    Legend
    Repair Details and Dimensions (PN 2A2703, 2A3367, 2A3360, 2A3896 and 2A4027 Only)

    Sheet 2

    Close

    Figure: Repair Details and Dimensions

    Sheet 3

    Legend
    Repair Details and Dimensions

    Sheet 3

    Close

    Figure: Repair Details and Dimension

    Sheet 4

    Legend
    Repair Details and Dimension

    Sheet 4

    Close

    Figure: Repair Details and Dimensions (PN 2A4085 Only)

    Sheet 5

    Legend
    Repair Details and Dimensions (PN 2A4085 Only)

    Sheet 5

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:00741
Enterprise Name:Was BOC GASES
BU Name:DELETED, REFER TO SUPPLIER CODE 46AN7
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:IE426
Enterprise Name:DELETED
BU Name:DELETED,SEE CAGE CODE 1DMQ3
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:IE426
Supply Number:CoMat 03-080
Type:sp01
Supply Short Name:CoMat 03-080 METAL SPRAYING POWDER,Co BASE ALLOY
Supply Name:CoMat 03-080 METAL SPRAYING POWDER,Co BASE ALLOY
Specification Groups:
Doc NumberType
MSRR9507/3AI-1018 MIL-P-85856/6
OMAT:3/81DAI-1018 MIL-P-85856/6
Suppliers:
ManufacturerRemarks
IE426
IE102
IE208
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:X111X
Supply Number:CoMat 03-090
Type:sp01
Supply Short Name:CoMat 03-090 METAL SPRAYING POWDER Ni/Al(95/5)
Supply Name:CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5)
Specification Groups:
Doc NumberType
DELETED Use CoMat 03-089
Suppliers:
ManufacturerRemarks
X111X
Manufacturer Code:LOCAL
Tool Number:Grinding or turning equipment
Tool Name:Grinding or turning equipment
Manufacturer Code:LOCAL
Tool Number:Grit blast equipment
Tool Name:Grit blast equipment
Manufacturer Code:LOCAL
Tool Number:Non metallic hand scraper
Tool Name:Non metallic hand scraper
Manufacturer Code:LOCAL
Tool Number:Plasma spray equipment
Tool Name:Plasma spray equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment