TASK 72-41-21-300-036 HPC Stage 8 Case - Replace The Shank Nuts On The Stage 8 Case And Stage 9 Rotor Path Assembly, Repair-036 (VRS6218)

DMC:V2500-A0-72-41-2108-00A-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 72-41-21-300-036 HPC Stage 8 Case - Replace The Shank Nuts On The Stage 8 Case And Stage 9 Rotor Path Assembly, Repair-036 (VRS6218)

Effectivity

FIG/ITEM

PART NO

ASSEMBLY

03-650

6A3387

A

03-650

6A4324

B

03-650

6A6549

C

Material of component

PART IDENT

MATERIAL

HP compressor case assembly

Heat resisting alloy

Nut self locking shank

General

This repair must only be done when the instruction is given in 72-41-21 Inspection/Check.

This repair has been issued for HP compressor stage 8 case assembly and stage 9 rotor path assembly shank nut damage.

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

Price and Availability

Refer to International Aero Engines

Related Repairs - None

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKS given below:

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
DrillLOCALDrill

5.7 mm (0.224 in.) diameter

Chemical cleaning equipmentLOCALChemical cleaning equipment
Dimensional inspection equipmentLOCALDimensional inspection equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop equipmentLOCALStandard workshop equipment
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3R18591 Swage bush0AM53IAE 3R185911
IAE 3R18592 Tool bolt0AM53IAE 3R185921

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 shankAS44750A/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-110-231 Clean the Assembly

      1. Chemically clean.

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

        Use chemical cleaning equipment.

    2. SUBTASK 72-41-21-350-080 Remove Damaged Shank Nuts

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

      2. Drill the flare until the nut is released. Remove the nut.

      1. Use a drilling machine and a 5.7 mm (0.224 in.) diameter drill.

        Refer to SPM TASK 70-35-11-300-501, SUBTASK 70-35-11-350-001.

      3. Remove the sharp edges around the nut location hole.

      1. Use hand methods.

      4. Clean the shank nut location in the shaft.

      1. Use a soft clean cloth and blast with air.

    3. SUBTASK 72-41-21-220-599 Examine the Nut location

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

      2. Examine nut location hole.

      1. Examine the dimensions of the nut location holes.

        Make sure all sharp edges are removed.

        Use dimensional inspection equipment.

    4. SUBTASK 72-41-21-230-096 Do a Crack Test

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

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

        Use penetrant crack test equipment.

        Cracks are not permitted.

    5. SUBTASK 72-41-21-110-208 Chemically Clean

      1. Chemically clean the repaired area(s) to remove fluorescent penetrant.

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

        Use chemical cleaning equipment.

    6. SUBTASK 72-41-21-350-212 Install the new Shank Nuts

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

      2. Install the new nut into the hole.

      1. Make sure the shank nut is installed correctly.

        Refer to the SPM TASK 70-35-11-300-501, SUBTASK 70-35-11-350-001.

      3. Hold nut and swage the flange.

      1. Use IAE 3R18591 Swage bush 1 off and IAE 3R18592 Tool bolt tool bolt 1 off.

    7. SUBTASK 72-41-21-220-659 Examine the new Shank Nuts

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

    2. Examine the installed new shank nut.

    3. Make sure the shank nut is installed correctly and satisfactorily tightened.

    8. Figure: Repair Details and Dimensions - Assembly A and Assembly B

    Repair Details and Dimensions - Assembly A and Assembly B

    Figure: Repair Details and Dimensions - Assembly C

    Repair Details and Dimensions - Assembly C

    Figure: Repair Details and Dimensions - Assembly A, Assembly B and Assembly C

    Sheet 1

    Legend
    Repair Details and Dimensions - Assembly A, Assembly B and Assembly C

    Sheet 1

    Close

    Figure: Repair Details and Dimensions - Assembly A, Assembly B and Assembly C

    Sheet 2

    Legend
    Repair Details and Dimensions - Assembly A, Assembly B and Assembly C

    Sheet 2

    Close

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
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:Dimensional inspection equipment
Tool Name:Dimensional inspection equipment
Manufacturer Code:LOCAL
Tool Number:Drill
Tool Name:Drill
Manufacturer Code:0AM53
Tool Number:IAE 3R18591
Tool Name:IAE 3R18591 Swage bush
Manufacturer Code:0AM53
Tool Number:IAE 3R18592
Tool Name:IAE 3R18592 Tool bolt
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Link not Found