TASK 72-32-23-300-013 HPC Front Shaft Assembly - Repair The Spacers, Repair-013 (VRS6488)

DMC:V2500-A0-72-32-2302-01A-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 72-32-23-300-013 HPC Front Shaft Assembly - Repair The Spacers, Repair-013 (VRS6488)

Effectivity

FIG/ITEM

PART NO.

01-745

6A3899

01-745

6A4147

01-745

6A8083

01-745

6A8094

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

HP Compressor front stub

TEG

Titanium aluminum vanadium

shaft assembly

alloy

Spacer

EAK

Modified 12 percent Chromium

steel

General

This repair must only be done when the instruction to do so is given in 72-32-23 Inspection/Check.

This repair lets you replace damaged and/or loose spacers, in the HP. Compressor, Front Stub Shaft.

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

Price and availability

Refer to International Aero Engines

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in the TASKS given below:
TASK 70-09-00-400-501
TASK 70-11-03-300-503
TASK 70-11-08-300-503
TASK 70-23-05-230-501

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
Standard workshop equipmentLOCALStandard workshop equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3R19048 Holding fixture0AM53IAE 3R190481
IAE 3R19049 Punch0AM53IAE 3R190491
IAE 3R19050 Special reamer, 1st oversize0AM53IAE 3R190501
IAE 3R19051 Special reamer, 2nd oversize0AM53IAE 3R190511
IAE 3R19052 Freezing plug0AM53IAE 3R190521
IAE 3R19053 Protective ring0AM53IAE 3R190531
IAE 3R19116 Location pin (standard)0AM53IAE 3R191161
IAE 3R19117 Location pin (oversize)0AM53IAE 3R191171

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-026 LIQUID NITROGENLOCALCoMat 03-026
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
SpacerUP1105120 AR
Spacer6A437220 AR
Spacer6A437320 AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-23-110-077 Chemically Clean

      1. Chemically clean.

    2. SUBTASK 72-32-23-230-070 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to TASK 72-32-23-200-000 (INSPECTION-000).

    3. SUBTASK 72-32-23-350-086 Remove Loose or Damaged Spacer(s), from the HP Compressor Front Stub Shaft Assembly

    1. Refer to Figure, Figure, Figure, Figure and Figure.

      2. Place the protective ring over the curvic coupling of the HP Compressor Front Stub Shaft Assembly.

      3. Remove loose or damaged spacer(s).

      1. Use IAE 3R19049 Punch 1 off, with standard workshop equipment.

      4. Remove the burrs.

    4. SUBTASK 72-32-23-110-078 Chemically Clean

      1. Chemically clean the repaired area(s).

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

    5. SUBTASK 72-32-23-230-071 Do a Crack Test

      1. Do a local penetrant crack test.

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

      3. Cracks are not permitted.

    6. SUBTASK 72-32-23-220-103 Examine the HP Compressor Front Stub Shaft Assembly

    1. Refer to Figure, Figure, Figure, Figure and Figure.

      2. Visually examine and measure the dimension of the spacer location(s).

      1. Use workshop inspection equipment.

      3. If there is an interference fit of 0.0003 to 0.0013 in. (0.008 to 0.032 mm), on the location diameter.

      1. Do Step.

      4. If the location diameter is damaged, or you can not get the interference at Step above.

      1. Do Step.

    7. SUBTASK 72-32-23-323-051 Machine the Spacer Location(s), as necessary

    1. Refer to Figure, Figure, Figure, Figure and Figure.

      2. Install the holding fixture into the machine.

      1. Use IAE 3R19048 Holding fixture 1 off, with a drilling ,machine and Standard workshop equipment.

      3. Install the HP. Compressor Front Stub Shaft Assembly into the holding fixture.

      4. Locate the holding fixture over the spacer location to be machined and secure in position.

      5. Machine the spacer location(s) diameter AC, to the minimum oversize as necessary.

      6. Remove the burrs.

    8. SUBTASK 72-32-23-110-079 Do a Swab Etch

      1. Chemically clean.

      1. Refer to the SPM TASK 70-11-08-300-503, SUBTASK 70-11-08-300-001.

      2. Swab etch the repaired area.

      1. Refer to the SPM TASK 70-11-08-300-503, SUBTASK 70-11-08-300-002.

    9. SUBTASK 72-32-23-230-072 Do a Crack Test

      1. Do a local penetrant crack test.

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

      3. Cracks are not permitted.

    10. SUBTASK 72-32-23-220-104 Examine the Spacer Location(s)

    1. Refer to Figure, Figure, Figure, Figure and Figure.

      2. Measure the dimensions of the spacer location(s) at position AB.

      1. Make sure there will be an interference limit of 0.0003 to 0.0013 in. (0.008 to 0.032 mm), during assembly.

    11. SUBTASK 72-32-23-350-087 Install New Spacer(s) into the HP Compressor Front Stub Shaft Assembly

      1. Install the new spacer on to the freezing plug.

      1. Use UP11051 spacer, 01-760, 1 off, 6A4372 spacer, 01-762, 1 off and/or 6A4373 spacer, 01-763, 1 off, as necessary, with IAE 3R19052 Freezing plug 1 off, with standard workshop equipment.

      2. Freeze the spacer.

      3. Install the spacer(s) in to the HP Compressor Front Stub Shaft Assembly, at position AB.

      1. Make sure the spacer(s) are pushed fully into the position, before the temperature of the spacer(s) and the temperature of the HP Compressor Front Stub Shaft Assembly are the same.

    12. SUBTASK 72-32-23-230-073 Do a Crack Test

      1. Do a local penetrant crack test.

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

      3. Cracks are not permitted.

    13. SUBTASK 72-32-23-110-080 Chemically Clean

      1. Chemically clean the repaired area(s).

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

    14. SUBTASK 72-32-23-220-105 Examine the Spacer(s)

    1. Refer to Figure, Figure, Figure, Figure and Figure.

      2. Visually examine the spacer(s), for location.

      1. Make sure the spacer(s) are fully engaged into position.

    15. SUBTASK 72-32-23-350-088 Identify the Repair

    1. Refer to Figure, Figure, Figure and Figure.

      2. Make a mark VRS6488, followed by the hole position(s), adjacent to the part number.

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

      2. NOTE

        For example, mark VRS6488/3/A, adjacent to the part number.

    16. 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

    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
Link not Found
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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 03-026
Type:sp01
Supply Short Name:CoMat 03-026 LIQUID NITROGEN
Supply Name:CoMat 03-026 LIQUID NITROGEN
Specification Groups:
Doc NumberType
OMAT:220BB-N-411 T2GBC1
JCR-135BB-N-411 T2GBC1
Suppliers:
ManufacturerRemarks
LOCAL
U2046
U2096
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
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:0AM53
Tool Number:IAE 3R19048
Tool Name:IAE 3R19048 Holding fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19049
Tool Name:IAE 3R19049 Punch
Manufacturer Code:0AM53
Tool Number:IAE 3R19050
Tool Name:IAE 3R19050 Special reamer, 1st oversize
Manufacturer Code:0AM53
Tool Number:IAE 3R19051
Tool Name:IAE 3R19051 Special reamer, 2nd oversize
Manufacturer Code:0AM53
Tool Number:IAE 3R19052
Tool Name:IAE 3R19052 Freezing plug
Manufacturer Code:0AM53
Tool Number:IAE 3R19053
Tool Name:IAE 3R19053 Protective ring
Manufacturer Code:0AM53
Tool Number:IAE 3R19116
Tool Name:IAE 3R19116 Location pin (standard)
Manufacturer Code:0AM53
Tool Number:IAE 3R19117
Tool Name:IAE 3R19117 Location pin (oversize)
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