TASK 72-41-21-300-040 HPC Stage 10 Case - Replace The Spacers, Repair-040 (VRS6253)

DMC:V2500-A0-72-41-2110-00A-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 72-41-21-300-040 HPC Stage 10 Case - Replace The Spacers, Repair-040 (VRS6253)

Effectivity

FIG/ITEM

PART NO.

04-350

6A3389

Assembly A

04-350

6A5436

Assembly A

04-350

6A5676

Assembly B

04-350

6A4526

Assembly C

04-350

6A5438

Assembly C

04-350

6A5624

Assembly C

04-350

6A6512

Assembly D

04-350

6A6551

Assembly D

04-350

6A7531

Assembly D

Material of component

PART IDENT

SYMBOL

MATERIAL

H.P. Compressor Stage 10 case assembly

QRK or QTX

Nickel, cobolt steel

Spacer

EAR

Corrosion resistant steel

General

This Repair must only be done when the instruction to do so is given in 72-41-21 Inspection/Check.

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

None

NOTE

  1. Equivalent materials or equipment can be used.

  2. More equipment and materials necessary to do this Repair are in the SPM 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
Standard workshop equipmentLOCALStandard workshop equipment
DriftLOCALDrift
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
ClothLOCALCloth

Lint-free

Heat protection glovesLOCALHeat protection gloves
Workshop inspection equipmentLOCALWorkshop inspection equipment

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
SpacerUP1114420 A/R

(Assembly A)

SpacerUP6048720 A/R

(Assembly B)

SpacerUP6047720 A/R

(Assembly C)

SpacerUP1194820 A/R

(Assembly D)

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-350-134 Remove Loose or Damaged Spacers

    1. Refer to Figure.

      2. Remove the loose or damaged spacers.

      1. Remove the spacers with a drift or locally made extractor and standard workshop equipment.

      3. Remove burrs around the location hole(s).

      1. Use standard workshop equipment.

      4. Clean the hole(s).

      1. Use a lint-free cloth and a dry air blow.

    2. SUBTASK 72-41-21-220-348 Examine the H.P. Compressor Stage 10 Case Assembly

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the location hole(s).

      1. Use workshop inspection equipment.

        Reject if the location hole(s) is/are oversize.

    3. SUBTASK 72-41-21-230-141 Do a Crack Test

      1. Do a local penetrant crack test around the location hole(s).

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

        Use CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY) with penetrant crack test equipment. Cracks are not permitted.

    4. SUBTASK 72-41-21-350-135-A00 Install the Spacer(s) UP11144 Assembly A

    1. Refer to Figure.

      2. Freeze the spacer(s).

      1. Use spacer 04-364, 20 off as necessary. Use CoMat 03-026 LIQUID NITROGEN.

        Use a locally made freeze plug.

      3. Install the spacer(s) into the location holes(s).

      1. Make sure that the spacer is pushed fully into position before the temperature of the spacer and the case assembly become the same.

        Use heat protective gloves.

    5. SUBTASK 72-41-21-350-135-B00 Install the Spacer(s) UP60487 Assembly B

    1. Refer to Figure.

      2. Freeze the spacer(s).

      1. Use spacer 04-364, 20 off as necessary. Use CoMat 03-026 LIQUID NITROGEN.

        Use a locally made freeze plug.

      3. Install the spacer(s) into the location holes(s).

      1. Make sure that the spacer is pushed fully into position before the temperature of the spacer and the case assembly become the same.

        Use heat protective gloves.

    6. SUBTASK 72-41-21-350-135-C00 Install the Spacer(s) UP60477 Assembly C

    1. Refer to Figure.

      2. Freeze the spacer(s).

      1. Use spacer 04-364, 20 off as necessary. Use CoMat 03-026 LIQUID NITROGEN.

        Use a locally made freeze plug.

      3. Install the spacer(s) into the location holes(s).

      1. Make sure that the spacer is pushed fully into position before the temperature of the spacer and the case assembly become the same.

        Use heat protective gloves.

    7. SUBTASK 72-41-21-350-205-D00 Install the Spacer(s), Assembly D

    1. Refer to Figure.

      2. Freeze the spacer(s).

      1. Use UP11948 spacer, 04-364, 20 off as necessary. Use CoMat 03-026 LIQUID NITROGEN. Use a locally made freeze plug.

      3. Install the spacer(s) into the location hole(s).

      1. Make sure that the spacer is pushed fully into positiion before the temperature of the spacer and the case assembly become the same.

    8. SUBTASK 72-41-21-350-136 Examine the HP Compressor Stage 10 Case Assembly

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the installed spacer(s).

      1. Make sure the spacer(s) are installed fully into and at 90 degrees to the flange.

    9. SUBTASK 72-41-21-350-206 Identify the Repair

      1. Make a mark VRS6253 adjacent to the part number.

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

        Use vibro-engraving equipment.

    10. Figure: Repair details and dimensions - Assy A, Assy B, Assy C and Assy D

    Repair details and dimensions - Assy A, Assy B, Assy C and Assy D

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
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:Cloth
Tool Name:Cloth
Manufacturer Code:LOCAL
Tool Number:Drift
Tool Name:Drift
Manufacturer Code:LOCAL
Tool Number:Heat protection gloves
Tool Name:Heat protection gloves
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment