TASK 72-41-23-300-016 HPC Rear Seal Housing - Replace The Lining, Repair-016 (VRS6322)

DMC:V2500-A0-72-41-2302-00A-920A-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 72-41-23-300-016 HPC Rear Seal Housing - Replace The Lining, Repair-016 (VRS6322)

Effectivity

FIG/ITEM PART NO.

02-250

6A1861

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

HP Compressor Rear

EEJ

Corrosion resistant steel

Seal Housing

or

ENH

Chrome cobalt molybdenum,

electro flux remelted steel

General

This repair must only be done when the instruction to do so is given in TASK 72-41-23Inspection/Check Page 801.

This Repair is to replace the lining on the HP Compressor Rear Seal Housing, when the lining is worn or damaged.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.

Price and availability

Refer to International Aero Engines

Related repairs

HP Compressor Rear Seal Housing - Replace the Surface Protection, refer to TASK 72-41-23-300-018, (VRS6323) (REPAIR-018)

NOTE

  1. Equivalent materials or equipment can be used.

  2. More equipment and materials necessary to do this Repair are in the TASKS given below:

TASK 70-09-00-400-501
TASK 70-11-01-300-503
TASK 70-12-02-120-501
TASK 70-23-05-230-501
TASK 70-33-59-300-503
TASK 70-34-01-340-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Abrasive blast equipmentLOCALAbrasive blast equipment
LatheLOCALLathe
Dial indicatorLOCALDial indicator
Standard workshop equipmentLOCALStandard workshop equipment
GlovesLOCALGloves

Cotton or polythene

BrushLOCALBrush

Vacuum assisted

Metal spray equipmentLOCALMetal spray equipment
Grinding machineLOCALGrinding machine
Workshop inspection equipmentLOCALWorkshop inspection equipment
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3R19029 Turn/Grind fixture0AM53IAE 3R190291
IAE 3R19030 Blast mask front0AM53IAE 3R190301
IAE 3R19031 Blast mask rear0AM53IAE 3R190311
IAE 3R19032 Spray mask front0AM53IAE 3R190321
IAE 3R19033 Spary mask front0AM53IAE 3R190331
IAE 3R19023 Blast mask0AM53IAE 3R19023

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001
CoMat 02-006 ADHESIVE TAPE ALUMINIUM FOILK0993CoMat 02-006
CoMat 03-239 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINELOCALCoMat 03-239
CoMat 03-240 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINELOCALCoMat 03-240
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-23-110-066 Chemically Clean

      1. Chemically clean.

      1. Refer to TASK 72-41-23-100-000 (CLEANING-000).

        Use chemical cleaning equipment.

    2. SUBTASK 72-41-23-230-073 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to TASK 72-41-23-200-000 (INSPECTION-000).

        Use penetrant crack test equipment.

        Cracks are not permitted.

    3. SUBTASK 72-41-23-110-067 Remove the Lining

      NOTE

      This SUBTASK is an alternative to Step.

    1. Refer to Figure.

      2. Chemically degrade the lining at surface AA.

      1. Refer to the SPM TASK 70-33-59-300-503, SUBTASK 70-33-59-300-007.

        Use chemical cleaning equipment.

      3. Abrasive blast to remove the lining.

      1. Refer to the SPM TASK 70-33-59-300-503, SUBTASK 70-33-59-300-008.

        Use CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE with abrasive blast equipment :epl2.

    4. SUBTASK 72-41-23-325-052 Remove the Lining

      NOTE

      This SUBTASK is an alternative to Step.

    1. Refer to Figure.

      2. Install the turn/grind fixture on to the machine and set to run true.

      1. Use a lathe and a dial test indicator.

      3. Install the HP Compressor Rear Seal Housing on to the fixture.

      1. Make sure the rear seal housing runs true.

      4. Turn to remove the lining from the surface AA.

      1. You must not remove any material from the rear seal housing.

        Use a lathe with standard workshop equipment.

      5. Remove sharp edges.

      1. Use standard workshop equipment.

    5. SUBTASK 72-41-23-220-123 Examine the HP Compressor Rear Seal Housing

    1. Refer to Figure.

      2. Visually examine the surface at AA.

      1. Make sure all the lining material is removed.

      3. Measure the dimensions of the surface at AA.

      1. Make sure that the base material of the rear seal housing is not below the limits given.

        Use workshop inspection equipment.

    6. SUBTASK 72-41-23-230-074 Do a Crack Test

      1. Do a penetrant crack test on the machined areas.

      1. Refer to the SPM TASK 70-23-05-230-501.

        Cracks are not permitted.

    7. SUBTASK 72-41-23-110-068 Chemically Clean

      1. Chemically clean the HP Compressor Rear Seal Housing.

      1. Refer to the SPM TASK 70-11-01-300-503.

        Use chemical cleaning equipment.

    8. SUBTASK 72-41-23-120-053 Prepare the Surfaces for Repair

      CAUTION

      SURFACES FOR REPAIR MUST BE FULLY CLEANED AND NOT TOUCHED BY HAND.
      CLEAN COTTON OR POLYTHENE GLOVES MUST BE WORN.

    1. Refer to Figure and Figure.

      2. Seal the areas not to be sprayed.

      3. Abrasive blast the HP Compressor Rear Seal Housing on surface AA.

      1. Refer to the SPM TASK 70-12-02-120-501.

    4. Remove the masking tape and/or masks.

      5. Clean the HP Compressor Rear Seal Housing.

      1. Make sure that all the abrasive grit has been removed.

        Use a dry air blast or a vacuum assisted brush.

    9. SUBTASK 72-41-23-340-052 Apply the Lining

    1. Refer to Figure and Figure.

      2. Seal the areas not to be sprayed.

      3. Apply the lining.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-026.

        Apply a layer of sufficient thickness to get the correct dimensions after the assembly is machined.

    10. SUBTASK 72-41-23-220-124 Examine the Lining

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions of the new lining.

      1. Refer to the SPM TASK 70-34-01-340-501.

    11. SUBTASK 72-41-23-324-052 Machine the Lining

    1. Refer to Figure and Figure.

      2. Install the turn/grind fixture on to the machine and set to run true.

      1. Use IAE 3R19029 Turn/Grind fixture 1 off, with a grinding machine.

        Use a dial test indicator.

      3. Install the HP Compressor Rear Seal Housing on to the fixture.

      1. Make sure the rear seal housing runs true.

    4. Fully grind the lining at surface AA, to the dimensions shown.

      5. Remove sharp edges.

      1. Use standard workshop equipment.

    12. SUBTASK 72-41-23-220-125 Examine the Repair Area

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions at surface AA.

      1. Use workshop inspection equipment.

    13. SUBTASK 72-41-23-230-075 Do a Crack Test

      1. Do a local penetrant crack test on the repaired area.

      1. Refer to the SPM TASK 70-23-01-230-501.

        Cracks are not permitted.

        Ignore crack indications in the metal spray area.

    14. SUBTASK 72-41-23-110-069 Chemically Clean

      1. Chemically clean the HP compressor rear seal housing.

      1. Refer to the SPM TASK 70-11-01-300-503.

        Use chemical cleaning equipment.

    15. SUBTASK 72-41-23-350-073 Identify the Repair

      1. Mark VRS6322 adjacent to the assembly number.

      1. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

        Use vibro-engraving equipment.

    16. SUBTASK 72-41-23-380-059 Replace the Surface Protection

      1. Replace the surface protection.

      1. Refer to VRS6323, TASK 72-41-23-300-018 (REPAIR-018).

    17. 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
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:K0993
Enterprise Name:3M (UK) PLC
BU Name:3M (UK) PLC
Street:3M CENTRE, CAIN ROAD
City:BRACKNELL
Zip Code:RG12 8HT
Country:UNITED KINGDOM
Phone Number:44-161-236-8500
Fax Number:44-161-237-6136
Internet:www.mmm.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 02-001
Type:sp01
Supply Short Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 230 (RR REF)ZINC OXIDE AT142
JCR-197 (JAEC REF)ZINC OXIDE AT142
Suppliers:
ManufacturerRemarks
LOCAL
K6835
U0415
Manufacturer Code:K6835
Supply Number:CoMat 02-006
Type:sp01
Supply Short Name:CoMat 02-006 ADHESIVE TAPE ALUMINIUM FOIL
Supply Name:CoMat 02-006 ADHESIVE TAPE ALUMINIUM FOIL
Specification Groups:
Doc NumberType
OMAT: 298 (RR REF)SCOTCH 425
Suppliers:
ManufacturerRemarks
K6835
52152
76381
LOCAL
Manufacturer Code:00BB6
Supply Number:CoMat 03-239
Type:sp01
Supply Short Name:CoMat 03-239 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINE
Supply Name:CoMat 03-239 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINE
Specification Groups:
Doc NumberType
MSRR 9507/17 (RR REF)METCO 81VF-NS
OMAT:3/190 (RR REF)
Suppliers:
ManufacturerRemarks
00BB6
01FK3
C1840
IE103
K0455
K6835
Manufacturer Code:X111X
Supply Number:CoMat 03-240
Type:sp01
Supply Short Name:CoMat 03-240 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINE
Supply Name:CoMat 03-240 METAL SPRAYING POWDER, CHROMIUM CARBIDE/NICHROME 75/25, FINE
Specification Groups:
Doc NumberType
DELETED. USE COMAT 03-239
Suppliers:
ManufacturerRemarks
X111X
Manufacturer Code:LOCAL
Supply Number:CoMat 05-001
Type:sp01
Supply Short Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Supply Name:CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE
Specification Groups:
Doc NumberType
Use one of the CoMat 05-001 letter suffix alternatives.
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Link not Found
Manufacturer Code:LOCAL
Tool Number:Brush
Tool Name:Brush
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Dial indicator
Tool Name:Dial indicator
Manufacturer Code:LOCAL
Tool Number:Gloves
Tool Name:Gloves
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3R19023
Tool Name:IAE 3R19023 Blast mask
Manufacturer Code:0AM53
Tool Number:IAE 3R19029
Tool Name:IAE 3R19029 Turn/Grind fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19030
Tool Name:IAE 3R19030 Blast mask front
Manufacturer Code:0AM53
Tool Number:IAE 3R19031
Tool Name:IAE 3R19031 Blast mask rear
Manufacturer Code:0AM53
Tool Number:IAE 3R19032
Tool Name:IAE 3R19032 Spray mask front
Manufacturer Code:0AM53
Tool Number:IAE 3R19033
Tool Name:IAE 3R19033 Spary mask front
Manufacturer Code:LOCAL
Tool Number:Lathe
Tool Name:Lathe
Manufacturer Code:LOCAL
Tool Number:Metal spray equipment
Tool Name:Metal spray equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment