TASK 72-41-11-300-011 HPC Stage 3 - 8 Drum Disk - Replace The Damaged Shank Nuts, Repair-011 (VRS6220)

DMC:V2500-A0-72-41-1101-01A-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 72-41-11-300-011 HPC Stage 3 - 8 Drum Disk - Replace The Damaged Shank Nuts, Repair-011 (VRS6220)

Effectivity

FIG/ITEM

PART NO.

01-200

6B1379

01-200

6B1380

01-200

6B1381

01-200

6B1382

01-200

6B1383

01-200

6B1384

01-200

6B1385

01-200

6B1386

01-200

6B1387

01-200

6B1391

01-200

6B1392

01-200

6B1393

01-200

6B1401

01-200

6B1402

01-200

6B1403

01-200

6B1404

01-200

6B1405

01-200

6B1406

Material of component

DESCRIPTION

MATERIAL

HP compressor stage 3-8 disks shaft assembly

Titanium alloy

Nut, self locking shank

Heat resisting steel

Anti-frettage plate

Chromium - nickel stabilized steel

General

This Repair must only be done when the instruction to do so is given in 72-41-11 Inspection.

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

This TASK gives the procedure to repair the self locking shank nut on the HP compressor stage 3-8 drum by replacement.

Price and availability

Repair parts - Refer to International Aero Engines

Related repairs - none

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-09-00-400-501
SPM TASK 70-11-26-300-503
SPM TASK 70-23-05-230-501
SPM TASK 70-35-03-300-501

NOTE

  1. It is possible that some materials in the Consumable Materials chart cannot be used for some or all of the necessary applications. Before you use the materials, make sure the types, quantities and applications of the materials necessary are legally permitted in your location. All persons must obey all applicable federal, state, local and provincial laws and regulations when it is necessary to work with these materials.

  2. To identify the consumable materials, refer to the overhaul Processes and Consumables Index (PCI).

  3. Other necessary consumable materials are referred to in the SPM TASKs.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Drilling machineLOCALDrilling machine
Standard workshop equipmentLOCALStandard workshop equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3R18718 Tool bolt0AM53IAE 3R18718
IAE 3R18719 Swage bush0AM53IAE 3R18719

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Nut Self Locking ShankAS6349220 AR
Anti-Frettage Plate6A11304 AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-11-110-134 Chemically Clean the Area

    1. CAUTION

      THE STAGE 3-8 DRUM IS A CRITICAL PART AND CAN BE MADE UNSERVICEABLE IF DAMAGED.

      Refer to Figure and Figure.

      2. Chemically clean the area around the shank nuts.

      1. Refer to the SPM TASK 70-11-26-300-503.

      2. Use chemical cleaning equipment.

    2. SUBTASK 72-41-11-323-051 Remove the Shank Nut(s)

    1. Refer to Figure and Figure.

      2. Drill the flare until the nut is released.

      1. Refer to the SPM TASK 70-35-11-300-501.

      2. Make sure the drill is centered on the shank nut hole and will not touch the parent part.

      3. Use a drilling machine with a 0.315 in. (8.00 mm) diameter drill.

      3. Remove the nut.

      1. Discard the removed nut.

      4. Clean the nut location.

      1. Use a soft, clean cloth and also remove particles with clean air.

    3. SUBTASK 72-41-11-110-133 Chemically Clean the Repair Area

    1. Refer to Figure and Figure.

      2. Chemically clean the repair area.

      1. Refer to the SPM TASK 70-11-26-300-503.

      2. Use chemical cleaning equipment.

    4. SUBTASK 72-41-11-220-095 Examine the Anti-frettage Plate and Nut Location Hole

    1. Refer to Figure and Figure.

      2. Examine the anti-frettage plate.

      1. If damaged, reject the plate after you remove the remaining shank nuts which hold the plate.

      3. Do a visual and dimensional inspection of the nut location hole.

      1. Damage is not permitted.

    5. SUBTASK 72-41-11-230-066 Do a Crack Test

    1. Refer to Figure and Figure.

      2. Do a local penetrant crack test in the area of the repair.

      1. Refer to the SPM TASK 70-23-05-230-503.

      2. Use CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY) fluorescent penetrant (post-emulsified ultra high sensitivity).

      3. Use penetrant crack test equipment.

      4. Cracks are not permitted.

    6. SUBTASK 72-41-11-110-085 Chemically Clean

    1. Refer to Figure and Figure.

      2. Chemically clean the repaired area to remove fluorescent penetrant.

      1. Refer to the SPM TASK 70-23-05-230-503.

      2. Use chemical cleaning equipment.

    7. SUBTASK 72-41-11-350-067 Install the New Shank Nuts

    1. CAUTION

      THE TOOLING USED TO INSTALL THE NEW SHANK NUT OF SBE 72-0606 STANDARD MUST NOT BE USED TO REMOVE OR INSTALL THE SHANK NUT OF PRE SBE 72-0606 STANDARD. THIS IS TO MAKE SURE THAT THERE IS NO SILVER CONTAMINATION ON THE TOOLING.

      Refer to Figure and Figure.

      2. Install the new nut and anti-frettage plate into the location hole.

      1. Use nut self locking shank HPC Stage 3 - 8 Drum Disk And Wire Seals (72-41-11, 01-238) with anti-frettage plate HPC Stage 3 - 8 Drum Disk And Wire Seals (72-41-11, 01-240) as necessary.

      2. Make sure the shank nut is set at the correct position.

      3. Hold the nut and swage the flare.

    8. SUBTASK 72-41-11-220-308 Examine the Repaired Shank Nut

    1. Refer to Figure and Figure.

      2. Examine the repaired shank nut.

      1. If the shank nut is loose or damaged, do the Step to Step again.

    9. SUBTASK 72-41-11-350-104 Identify the Repair

    1. Refer to Figure.

      2. Make a mark VRS6220 in the area BC.

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

    10. 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
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:LOCAL
Tool Number:Drilling machine
Tool Name:Drilling machine
Manufacturer Code:0AM53
Tool Number:IAE 3R18718
Tool Name:IAE 3R18718 Tool bolt
Manufacturer Code:0AM53
Tool Number:IAE 3R18719
Tool Name:IAE 3R18719 Swage bush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Link not Found