TASK 72-42-11-300-033 Diffuser Case - Plasma Spray The Front Inner Flange Front Face, Repair-033 (VRS3753)

DMC:V2500-A0-72-42-1100-08A-609A-C|Issue No:002.00|Issue Date:2016-11-01

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 72-42-11-300-033 Diffuser Case - Plasma Spray The Front Inner Flange Front Face, Repair-033 (VRS3753)

Effectivity

FIG/ITEM PART NO.

01-010

2A0051

01-010

2A2081-01

01-010

2A2581-01

01-010

2A2883-01

01-010

2A2885-01

01-010

2A2889-01

01-010

2A2891-01

01-010

2A2896-01

01-010

2A2897-01

01-010

2A3132

Material of component

PART IDENT

SYMBOL

MATERIAL

Diffuser case assembly

-

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.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-080 METAL SPRAYING POWDER,Co BASE ALLOYIE426CoMat 03-080
CoMat 03-096 PLASMA SPRAY POWDERLOCALCoMat 03-096
CoMat 05-192 ALUMINUM OXIDE GRITIE531CoMat 05-192

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-11-320-083 Machine the Front Inner Flange Front Face Before Coating

    1. Refer to Figure and Figure.

      2. Machine surface DL to the dimension given in the figure.

      1. Remove only the minimum quantity of material to get the dimension given in the figure. If the part was repaired on this surface before, make sure you remove all of the plasma spray coat.

    2. SUBTASK 72-42-11-350-111 Mask All the Areas that are not to be Plasma Spray Coated

    1. Refer to Figure and Figure.

      2. Mask all the areas that are not to be plasma spray coated.

      1. Do the procedure given in the SPM TASK 70-38-24-300-503.

    3. SUBTASK 72-42-11-380-064 Grit Blast the Front Inner Flange Front Face Surface DL

    1. Refer to Figure and Figure.

      2. Grit blast surface DL.

      1. Do the procedure given in the SPM TASK 70-34-03-340-501.

        Use CoMat 05-192 ALUMINUM OXIDE GRIT. No other grit blast permitted.

    4. SUBTASK 72-42-11-340-062 Apply Plasma Spray Coating to the Front Inner Flange Front Face, Surface DL

    1. Refer to Figure and Figure.

      2. Apply plasma spray coating to surface DL.

      1. Do the procedure given in the SPM TASK 70-34-03-340-501.

        Use CoMat 03-080 METAL SPRAYING POWDER,Co BASE ALLOY or CoMat 03-096 PLASMA SPRAY POWDER.

        Apply sufficient thickness of coating to get the final machining dimensions given in the figure.

    5. SUBTASK 72-42-11-350-112 Remove the Mask and the Overspray Coating

    1. Refer to Figure and Figure.

      2. Remove the mask.

      1. Remove the excess overspray coating.

        Use a scraper that is not metal.

    6. SUBTASK 72-42-11-320-084 Machine the Front Inner Flange Front Face, Surface DL

    1. Refer to Figure and Figure.

      2. Machine the plasma spray coating to the dimensions given in the figure. A minimum of 0.003 in. (0.08 mm) plasma coat is necessary after finish machining.

      1. All dimensions apply when surfaces DF and DE are flat in 0.005 in. (0.13 mm) and diameters DH and DF maintain a clearance envelope of 25.210 and 28.226 in. (640.33 and 716.94 mm) in a free or held condition.

        Held contact is permitted only on surfaces DJ, DX, DE, DY and diameters DH and DF.

        In a free condition, surfaces DJ and DE are flat in 0.010 in. (0.25 mm) and diameters DH and DF are between 25.174 and 25.239 in. (639.42 and 641.07 mm) and 28.197 and 28.263 in. (716.20 and 717.88 mm).

    7. SUBTASK 72-42-11-220-103 Examine the Front Inner Flange Front Face, Surface DL

    1. Refer to Figure and Figure.

      2. Examine the front inner flange front face surface DL to the dimensions given in the figure.

      1. Do a visual inspection of the plasma spray coating by the SPM TASK 70-34-03-340-501-001 and SPM TASK 70-34-03-340-501-002.

    8. SUBTASK 72-42-11-350-113 Mark the Part

    1. Refer to Figure and Figure.

      2. Mark the repair number VRS3753 on the diffuser case adjacent to the part number.

      1. Mark the part by the procedures given in the SPM TASK 70-09-00-400-501.

        Use the vibration peen method.

        NOTE

        If the VRS repair number is marked on the part, do not mark the repair number again.

    9. SUBTASK 72-42-11-350-114 Examine the Repaired Area

      1. Do an inspection of the case to make sure that the case meets the inspection requirements.

    10. 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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Updated CoMat per 16VC366 (Editorial)

Manufacturer Code:IE426
Enterprise Name:DELETED
BU Name:DELETED,SEE CAGE CODE 1DMQ3
Manufacturer Code:IE531
Enterprise Name:DELETED
BU Name:DELETED. WAS TREIBACHER SCHLEIFMITTEL NORTH AMERICA. REFER TO VENDOR CODE V531V.
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: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:V531V
Supply Number:CoMat 05-192
Type:sp01
Supply Short Name:CoMat 05-192 ALUMINUM OXIDE GRIT
Supply Name:CoMat 05-192 ALUMINUM OXIDE GRIT
Specification Groups:
Doc NumberType
ALODUR LIONITE GF BROWN No. 60
Suppliers:
ManufacturerRemarks
V531V