TASK 72-43-20-300-019 No. 4 Bearing Seal Ring Holder - Front Flange Inner Diameter (ID) Restoration Repair, Repair-019 (VRS3795)

DMC:V2500-A0-72-43-2001-01A-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 72-43-20-300-019 No. 4 Bearing Seal Ring Holder - Front Flange Inner Diameter (ID) Restoration Repair, Repair-019 (VRS3795)

Effectivity

FIG/ITEM PART NO.

01-060

2A0847

01-060

2A3543

Material of component

IAE

DESCRIPTION SYMBOL MATERIAL

No. 4 bearing seal ring -

Titanium 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

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Magnifying glass, 4xLOCALMagnifying glass, 4x

or greater

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-486 POWDER, HIGH VELOCITYOXY-FUEL (HVOF)01FK3CoMat 03-486

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-43-20-320-069 Machine the Front Flange ID of the No. 4 Bearing Seal Ring Holder Before Coat

    1. Refer to Figure and Figure.

      2. Machine the ID of the seal ring holder.

      1. Refer to the SPM TASK 70-32-06-320-501.

        Machine the diameter to remove all of the damage and/or coating.

    2. SUBTASK 72-43-20-110-095 Clean the No. 4 Bearing Seal Ring Holder

      1. Clean the seal ring holder.

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

    3. SUBTASK 72-43-20-230-057 Examine the No. 4 Bearing Seal Ring Holder

    1. Refer to Figure and Figure.

      2. Do a fluorescent penetrant inspection of the seal ring holder.

      1. Refer to the SPM TASK 70-23-02-230-501.

        No cracks are permitted.

    3. Do a dimensional inspection of the part.

    4. SUBTASK 72-43-20-380-001 Restore the Front Flange ID of the No. 4 Bearing Seal Ring Holder by Coating

    1. Refer to Figure and Figure.

      2. Prepare the part for coat.

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

        Mask areas not to be coated.

        Grit blast out of the area shown is not permitted unless otherwise specified.

      3. Coat the ID of the seal ring holder front flange.

      1. or.

        Apply IAE 271-13 coating to the repair area.

        Coat to a sufficient thickness to allow machining to finish dimensions.

        Coat out of area is not permitted unless otherwise specified.

        Use masks if necessary.

    5. SUBTASK 72-43-20-110-096 Clean the No. 4 Bearing Seal Ring Holder

      1. Clean the seal ring holder.

      1. After coating is applied and part is cooled, remove mask or maskants. Remove tape residue by the SPM TASK 70-11-26-300-503.

    6. SUBTASK 72-43-20-320-070 Machine the Front Flange ID of the No. 4 Bearing Seal Ring Holder

    1. Refer to Figure and Figure.

      NOTE

      The thickness of the coating after finish machine must be 0.003 to 0.020 in. (0.07 to 0.51 mm) all around.

      2. Machine the ID of the ring holder after coating.

      1. If the measured diameter in a free condition is not satisfactory, a held condition is permitted.

        All dimensions apply when surface Y is flat by 0.002 in. (0.05 mm) and Diameter AA maintains a clearance envelope of 6.050 in. (153.67 mm) in a free or held condition. Hold the seal ring holder only on surfaces Y and V and Diameters AA and U.

    7. SUBTASK 72-43-20-110-097 Clean the No. 4 Bearing Seal Ring Holder

      1. Clean the seal ring holder.

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

    8. SUBTASK 72-43-20-220-103 Examine the Repair

    1. Refer to Figure and Figure.

      2. Examine the seal ring holder after coating and finish machining.

      1. Refer to TASK 72-43-20-200-000 (INSPECTION-000).

        Use a 4X (or greater) magnifying glass to do a visual inspection of the coated area to examine for cracks and adhesion.

    9. SUBTASK 72-43-20-350-078 Identify the Repair

      1. Mark VRS3795 on the repaired No. 4 Bearing Seal Ring Holder adjacent to the part number.

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

        Remove high material caused by marking the number.

    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
Manufacturer Code:01FK3
Enterprise Name:OERLIKON METCO (US), INC
BU Name:SULZER METCO (US), INC
Street:1101 PROSPECT AVE
City:WESTBURY, NY 11590
Country:USA
Phone Number:1-888-COAT-544, 1-516-338-2301
Fax Number:1-516-338-2342, 1-516-338-2414
Internet:www.sulzermetco.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:01FK3
Supply Number:CoMat 03-486
Type:sp01
Supply Short Name:CoMat 03-486 POWDER, HIGH VELOCITYOXY-FUEL (HVOF)
Supply Name:CoMat 03-486 POWDER, HIGH VELOCITYOXY-FUEL (HVOF)
Specification Groups:
Doc NumberType
PWA 36334DIAMALLOY 4008NS
Suppliers:
ManufacturerRemarks
01FK3
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment