TASK 72-41-13-300-027 HPC Rear Shaft - Repair The Front Outer Location Diameter By Metal Spray, Repair-027 (VRS6625)

DMC:V2500-A0-72-41-1301-04A-609A-C|Issue No:002.00|Issue Date:2015-08-01

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 72-41-13-300-027 HPC Rear Shaft - Repair The Front Outer Location Diameter By Metal Spray, Repair-027 (VRS6625)

Effectivity

FIG/ITEM

PART NO.

01-850

6A4157

01-850

6A5867

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Rear Shaft Assembly

QYX

Inconnel 718

General

This repair must only be done when the instruction to do so is given in 72-41-13 Inspection.

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

Price and availability

Refer to International Aero Engines

Related repairs - none

NOTE

  1. Equivalent equipment can be used.

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

    TASK 70-34-01-300-501

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Grinding machineLOCALGrinding machine
Standard workshop equipmentLOCALStandard workshop equipment
Dial test indicatorsLOCALDial test indicators
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
OvenLOCALOven
Abrasive blast equipmentLOCALAbrasive blast equipment
Metal spray equipmentLOCALMetal spray equipment
Vibrating marking pencilLOCALVibrating marking pencil
LatheLOCALLathe
IAE 3R19391 Grinding fixture0AM53IAE 3R193911

(or locally made fixture)

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)LOCALCoMat 02-198
CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)IE200CoMat 03-038
CoMat 03-248 METAL SPRAY POWDERLOCALCoMat 03-248
CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADELOCALCoMat 05-001
CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)37676CoMat 06-018
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-13-325-001 Turn the HP Compressor Rear Shaft Assembly

    1. Refer to Figure.

      2. Install the fixture in to the lathe.

      1. Use IAE 3R19391 Grinding fixture, 1 off or locally made fixture.

      2. Use a lathe and standard workshop equipment.

      3. Install the HP Compressor Rear Shaft Assembly on to the fixture and set to turn correctly.

      1. Use a dial test indicator and standard workshop equipment.

      2. Make sure that Datum A and B are set correctly.

      4. Turn the location diameter, to remove all damage.

      1. Use a lathe and standard workshop equipment.

      2. Machine only the minimum quantity of material to remove scores or coating.

      5. NOTE

        If a metal spray layer has been applied before, make sure all metal spray is removed.

        Remove burrs.

      1. Use standard workshop equipment.

    2. SUBTASK 72-41-13-110-073 Cold Ferric Chloride Etch

      1. Swab etch the repaired area.

      1. Refer to the SPM TASK 70-11-39-300-503, SUBTASK 70-11-39-300-001.

      2. Use chemical cleaning equipment.

    3. SUBTASK 72-41-13-230-088 Do a Crack Test

      1. Do a local penetrant crack test on the location diameter.

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

    4. SUBTASK 72-41-13-220-167 Examine the HP Compressor Rear Shaft Assembly

    1. Refer to Figure.

      2. Measure the dimensions of the location diameter.

      1. Use workshop inspection equipment.

      2. Keep this dimension for use with Step

    5. SUBTASK 72-41-13-110-074 Clean the HP Copmpressor Rear Shaft Assembly

      1. Chemically clean the assembly.

      1. Refer to the SPM TASK 70-11-34-300-503.

      2. Use chemical cleaning equipment.

      2. Oven dry the assembly.

      1. Heat to a temperature of 302 deg F (150 deg C) for 1 hour.

      2. Use an oven.

    6. SUBTASK 72-41-13-350-081 Seal the Surfaces Not to be Repaired

    1. Refer to Figure and Figure.

      2. Seal the areas not to be repaired.

      1. NOTE

        The adhesive tape (masking metal spray) permits the blasting and sprayed coating to be done in one operation.

    7. SUBTASK 72-41-13-120-052 Abrasive Blast the Surface to be Repaired

    1. CAUTION

      TO PREVENT CONTAMINATION, DO NOT TOUCH THE SURFACE WHICH IS CLEANED FOR REPAIR.

      CAUTION

      TOO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.

      Refer to Figure

      2. Abrasive blast the surface to be repaired.

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

    8. SUBTASK 72-41-13-340-056 Metal Spray the Location Diameter

    1. Refer to Figure and Figure.

      2. Apply metal spray.

      1. Refer to the SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-025 or SUBTASK 70-34-01-340-021.

      3. Apply sufficient metal spray to get the correct dimensions when machined, refer to Step

    3. Remove masking tape.

    9. SUBTASK 72-41-13-320-063 Turn/Grind the HP Compressor Rear Shaft Assembly

    1. Refer to Figure and Figure.

      2. Install the fixture in to the lathe/grinding machine.

      1. Use IAE 3R19391 Grinding fixture 1 off or locally made fixture.

      2. Use a lathe or grinding machine and standard workshop equipment.

      3. Install the HP Compressor Rear Shaft Assembly on to the fixture and set to turn correctly.

      1. Use a dial test indicator and standard workshop equipment.

      2. Make sure that datum A and B are set to turn correctly.

      4. Turn/grind the location diameter.

      1. Use a lathe or grinding machine and standard workshop equipment.

      5. Remove burrs and overspray.

      1. Use standard workshop equipment.

    10. SUBTASK 72-41-13-110-075 Clean the HP Compressor Rear Shaft Assembly

      1. Chemically clean the assembly.

      1. Refer to the SPM TASK 70-11-34-300-503.

      2. Use chemical cleaning equipment.

      2. Oven dry the assembly.

      1. Heat to a temperature of 302 deg F (150 deg C) for 1 hour.

      2. Use an oven.

    11. SUBTASK 72-41-13-220-168 Examine the HP Compressor Rear Shaft Assembly

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions of the front outer location diameter.

      1. Use workshop inspection equipment.

    12. SUBTASK 72-41-13-350-082 Identify the Repair

      1. Mak a mark VRS6625 adjacent to the part number.

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

    13. Figure: Repair details and dimensions

    Repair details and dimensions

    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
Change Type:

Revised note to remove "materials or". (PSAF 15VC314)

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:37676
Enterprise Name:ITW MAGNAFLUX
BU Name:MAGNAFLUX CORPORATION
Street:155 HARLEM AVE
City:GLENVIEW
State:IL
Zip Code:60025
Country:USA
Phone Number:1-847-657-5300
Fax Number:1-847-867-5388
Internet:www.magnaflux.com
Manufacturer Code:IE200
Enterprise Name:DELETED, REFER TO CAGE CODE 00BB6
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:07512
Supply Number:CoMat 02-198
Type:sp01
Supply Short Name:CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)
Supply Name:CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY)
Specification Groups:
Doc NumberType
OMAT: 2/96 (RR REF)CHR 23816 TAPE
Suppliers:
ManufacturerRemarks
07512
K6835
K1369
KC622
Manufacturer Code:00BB6
Supply Number:CoMat 03-038
Type:sp01
Supply Short Name:CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)
Supply Name:CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5)
Specification Groups:
Doc NumberType
OMAT: 3/188 (RR REF)METCO 450NS
JCR-020 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
01FK3
0Y7E4
C1840
IE103
K0455
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 03-248
Type:sp01
Supply Short Name:CoMat 03-248 METAL SPRAY POWDER
Supply Name:CoMat 03-248 METAL SPRAY POWDER
Specification Groups:
Doc NumberType
MSRR9507/35METCO 447 NS
OMAT:3/179MIL-P-85856/27
Suppliers:
ManufacturerRemarks
LOCAL
39918
K1030
K6835
IE103
IE195
IE200
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 06-018
Type:sp01
Supply Short Name:CoMat 06-018FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Supply Name:CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐018 letter suffix material with other CoMat 06‐018 letter suffix materials. Where CoMat 06‐018 is specified with no suffix, use one of the CoMat 06‐018 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
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:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Link not Found
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3R19391
Tool Name:IAE 3R19391 Grinding fixture
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:Oven
Tool Name:Oven
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