TASK 72-32-22-300-008 No. 3 Bearing Seal Support - Repair The Plasma Coat On The Outer Front Flange Rear Diameter, Repair-008 (VRS3285)

DMC:V2500-A0-72-32-2200-03A-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 72-32-22-300-008 No. 3 Bearing Seal Support - Repair The Plasma Coat On The Outer Front Flange Rear Diameter, Repair-008 (VRS3285)

Effectivity

FIG/ITEM

PART NO.

01-040

2A0421

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

No. 3 bearing seal

-

Titanium alloy

support assembly

General

This repair must only be done when the instructions to do so are given in TASK 72-32-22-200-000 Inspection-000.

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

Price and availability - refer to IAE

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-134 MASKING TAPE, PLASTIC99742CoMat 02-134

or equivalent

CoMat 03-089 METAL SPRAYING POWDER Ni/Al (95/5)00741CoMat 03-089
CoMat 05-051 SILICON CARBIDE GRIT DELETED0AM53CoMat 05-051

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-22-350-056 Prepare the No. 3 Bearing Seal Support for Plasma Coating

    1. Refer to Figure.

      2. Remove the inserts from the seal support before you apply plasma coating.

      1. Refer to VRS3003, TASK 72-32-22-300-003.

      3. Apply masking to areas that are not to be plasma sprayed.

    2. SUBTASK 72-32-22-120-054 Clean the No. 3 Bearing Seal Support

      1. CAUTION

        DO NOT USE ANY SOLUTIONS THAT CONTAIN CHLORIDE TO CLEAN THE NO. 3 BEARING SEAL SUPPORT. CHLORIDE CAN CAUSE CORROSION TO THE SEAL SUPPORT.

        Abrasive blast to clean the seal support.

      1. Use CoMat 05-051 SILICON CARBIDE GRIT DELETED at a pressure of 60 psig (413.7 kPa).

      2. Refer to the SPM TASK 70-12-09-120-501.

        NOTE

        Use clean gloves to handle the No. 3 bearing seal support after you clean it.

    3. SUBTASK 72-32-22-320-057 Machine the Outer Front Flange Rear Diameter of the No. 3 Bearing Seal Support

    1. Refer to Figure.

      2. Machine the rear diameter at location 1.

      1. Machine the diameter to 11.314 to 11.334 in. (287.38 to 287.88 mm).

      2. Hold to the maximum value.

    4. SUBTASK 72-32-22-340-054 Apply Plasma Coating to the Outer Front Flange Rear Diameter of the No. 3 Bearing Seal Support

    1. Refer to Figure.

      2. Apply plasma coating to the rear diameter.

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

      3. Apply the coating so that the rear diameter is a minimum of 11.354 in. (288.392 mm).

    5. SUBTASK 72-32-22-320-058 Machine the Outer Front Flange Rear Diameter of the No. 3 Bearing Seal Support after Plasma Spray

    1. Refer to Figure.

      2. Machine the rear diameter at location 1 after plasma spray.

      1. Machine the diameter to 11.340 to 11.344 in. (288.036 to 288.137 mm).

    6. SUBTASK 72-32-22-220-064 Examine the Outer Front Flange Rear Diameter of the No. 3 Bearing Seal Support after Plasma Spray Repair

    1. Refer to Figure.

      2. Examine the rear diameter at location 1 after plasma spray repair.

      1. The diameter must be 11.340 to 11.344 in. (288.036 to 288.137 mm).

        NOTE

        If the measured diameter in a free condition is not satisfactory, a held condition is permitted. The dimension applies when Surface J is flat by 0.001 in. (0.025 mm) and Diameter K maintains a clearance envelope of 11.345 in. (288.163 mm) in a free or held condition. Hold the support only on Surfaces J and G and Diameter K.

    7. Figure: Outer front flange rear diameter plasma coat repair

    Outer front flange rear diameter plasma coat repair

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:99742
Enterprise Name:PERMACEL NITTO DENKO Co
BU Name:PERMACEL NITTO DENKO Co
Street:U.S. HIGHWAY 1
P.O. Box:671
City:NEW BRUNSWICK
State:NJ
Zip Code:08903
Country:USA
Phone Number:1-908-418-2400
Fax Number:1-908-418-2474
Internet:www.permacel.com
Manufacturer Code:99742
Supply Number:CoMat 02-134
Type:sp01
Supply Short Name:CoMat 02-134 MASKING TAPE, PLASTIC
Supply Name:CoMat 02-134 MASKING TAPE, PLASTIC
Specification Groups:
Doc NumberType
P-35 or P-29 PMC 4134
Suppliers:
ManufacturerRemarks
99742
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:0AM53
Supply Number:CoMat 05-051
Type:sp01
Supply Short Name:CoMat 05-051 SILICON CARBIDE GRIT DELETED
Supply Name:CoMat 05-051 SILICON CARBIDE GRIT DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53