TASK 72-41-34-300-014 HPC Unison Rings, Bridges, And Centralizing Housings - Replace Damaged Wire Thread (Helicoil) Inserts ( IGV Through Stage 5), Repair-014 (VRS6156)

DMC:V2500-A0-72-41-3420-01A-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 72-41-34-300-014 HPC Unison Rings, Bridges, And Centralizing Housings - Replace Damaged Wire Thread (Helicoil) Inserts ( IGV Through Stage 5), Repair-014 (VRS6156)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

02-440

6A3535

A

02-440

6A7580

C

02-440

6A7849

C

02-440

6A7899

C

02-440

6A8075

C

02-540

6A3537

A

02-540

6A7584

C

02-540

6A7851

C

02-540

6A7901

C

02-540

6A8077

C

02-730

6A2920

A

02-730

6A3946

B

02-750

6A2923

A

02-750

6A3949

B

03-440

6A3539

A

03-440

6A3753

A

03-440

6A3982

A

03-440

6A7588

C

03-440

6A7861

A

03-440

6A7863

A

03-440

6A7903

C

03-440

6A8115

C

03-440

6A8117

C

03-540

6A3541

A

03-540

6A3987

A

03-540

6A7590

C

03-540

6A7865

A

03-540

6A7906

C

03-540

6A8119

C

03-730

6A2925

A

03-730

6A3988

B

04-440

6A3543

A

04-440

6A3983

A

04-440

6A7596

C

04-440

6A7868

A

04-440

6A7888

C

04-440

6A8121

C

04-540

6A3545

A

04-540

6A7599

C

04-540

6A7890

C

05-440

6A3547

A

05-440

6A3984

A

05-440

6A7605

C

05-440

6A7894

C

05-440

6A8086

C

05-440

6A8088

C

05-540

6A3549

A

05-540

6A7607

C

05-540

6A7896

C

Material of component

The HP compressor VIGV and stage 3 to 5 actuating ring dowel assemblies are manufactured from jethete M152.

General

This repair must only be done when the instruction to do so is given in 72-41-34 Inspection.

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

The scope of this repair scheme is limited to the replacement of damaged 0.250-28UNF wire thread locking inserts installed in the upper and lower ring assemblies of the VIGV and stages 3 to 5 unison ring assemblies. For replacement of 0.190-32UNF (#10) wire thread locking inserts fitted in the unison ring assemblies, refer to VRS6155, TASK 72-41-34-300-013.

Price and availability

Refer to International Aero Engines

Related repairs - none

NOTE

More equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-23-05-230-501,
SPM TASK 70-35-08-300-501.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop toolsLOCALStandard workshop tools
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)LOCALCoMat 06-063

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Insert Assembly CAGS3707A/R
Insert Assembly AAGS37321
Insert Assembly AAGS37322
Insert Assembly AAGS37322
Insert Assembly AAGS37321
Insert Assembly AAGS37322
Insert Assembly BAGS37822
Insert Assembly AAGS37322
Insert Assembly BAGS37822
Insert Assembly AAGS37322
Insert Assembly AAGS37322
Insert Assembly AAGS37323
Insert Assembly AAGS37322
Insert Assembly AAGS37322
Insert Assembly BAGS37822
Insert Assembly AAGS37322
Insert Assembly AAGS37322
Insert Assembly AAGS37322
Insert Assembly AAGS37322

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-350-060 Remove the Damaged Wire Thread Insert(s)

      1. Remove the damaged wire thread insert(s) and discard.

      1. Refer to the SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-001.

        Use standard workshop tools.

    2. SUBTASK 72-41-34-350-062-A00 Install the Wire Thread Insert(s), Assembly A

      1. Install the wire thread insert(s).

      1. Refer to the SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-002.

        Use standard workshop tools.

    3. SUBTASK 72-41-34-350-062-B00 Install the Wire Thread Insert(s), Assembly B

      1. Install the wire thread insert(s).

      1. Refer to the SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-002.

        Use standard workshop tools.

    4. SUBTASK 72-41-34-350-062-C00 Install the Wire Thread Insert(s), Assembly C

      1. Install the wire thread insert(s).

      1. Refer to the SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-002.

        Use standard workshop tools.

    5. SUBTASK 72-41-34-230-085 Do a Local Crack Test

      1. Do a local crack test on the repaired area(s).

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

        Use penetrant crack test equipment.

        Cracks are not permitted.

    6. SUBTASK 72-41-34-220-189 Do an Inspection of the Wire Thread Insert(s)

      1. Do an inspection of the wire thread insert(s).

      1. Refer to the SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-220-001.

    7. SUBTASK 72-41-34-350-160 Identify the Repair

      1. Mark VRS6156 adjacent to the assembly number on both VIGV upper and lower actuator ring assembly.

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

        Use vibro-engraving equipment.

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
Manufacturer Code:X222X
Supply Number:CoMat 06-063
Type:sp01
Supply Short Name:CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)
Supply Name:CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐063 letter suffix material with other CoMat 06‐063 letter suffix materials. Where CoMat 06‐063 is specified with no suffix, use one of the CoMat 06‐063 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Standard workshop tools
Tool Name:Standard workshop tools