TASK 72-41-21-300-050 HP Compressor Front Support Cone Assembly - Repair The Location Dowel Or Pin By Replacement, Repair-050 (VRS6342)

DMC:V2500-A0-72-41-2101-00A-720A-B|Issue No:002.00|Issue Date:2017-11-01

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 72-41-21-300-050 HP Compressor Front Support Cone Assembly - Repair The Location Dowel Or Pin By Replacement, Repair-050 (VRS6342)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

03-300

6A2849

A

03-300

6A4177

B

03-300

6A6540

C

03-300

6A7577

D

03-300

6B1430

E

Material of component

DESCRIPTION

MATERIAL

HP compressor front support cone assembly

Titanium alloy

Rivet

Heat resisting alloy

Washer

Corrosion resistant steel

Dowel

Heat Resistant Alloy

Pin

Nickel Alloy

General

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

The TASK gives the procedure to repair the location dowel in the HP compressor front support cone assembly, by replacement.

TASKs identified by SPM TASK are in the Standard Practices and Processes Manual (SPM).

Price and availability

Refer to International Aero Engines

Related repair

Repair the HP Compressor Stage 7 Rotor Path Ring (and Cone Assembly) Surface Protection, refer to VRS6161 TASK 72-41-21-300-004 (REPAIR-004).

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
Pneumatic hand held grinderLOCALPneumatic hand held grinder
Chemical cleaning equipmentLOCALChemical cleaning equipment
Freeze plugLOCALFreeze plug

Locally made

Paint brushLOCALPaint brush
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop equipmentLOCALStandard workshop equipment
Vibrating marking pencilLOCALVibrating marking pencil
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
CoMat 07-037 CORROSION RESISTANT TOUCH-UP COATINGLOCALCoMat 07-037
CoMat 07-038 AIR DRYING ENAMELk3504CoMat 07-038

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
PART IDENTPART NO.
RivetAS162951 off

A, B, C and D

WasherEY292481 off

A, B, C and D

DowelUP107431 off

A

DowelUP604781 off

B, C and D

PinLOCALAS448031 off

E

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-350-168 Remove a Loose or Damaged Dowel, Assembly A, Assembly B, Assembly C and Assembly D

    1. Refer to Figure and Figure.

      2. Remove a loose or damaged dowel.

      1. Use an air operated hand grinder.

      2. Grind off the rivet head and remove the rivet, the washer and the dowel.

    2. SUBTASK 72-41-21-220-456 Examine the Dowel Location Hole, Assembly A, Assembly B, Assembly C and Assembly D

      2. Visually examine and measure the dimensions of the dowel location hole.

      1. The hole must not be oversize.

    3. SUBTASK 72-41-21-350-200 Remove a Loose or Damaged Pin, Assembly E

    1. Refer to Figure.

      2. Remove a loose or damaged pin.

    4. SUBTASK 72-41-21-220-758 Examine the Pin Location Hole, Assembly E

    1. Refer to Figure and Figure.

      2. Visually examine and measure the dimensions of the pin location hole.

      1. The hole must not be oversize.

    5. SUBTASK 72-41-21-110-238 Chemically Clean

      1. Chemically clean the HP compressor front support cone assembly.

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

    6. SUBTASK 72-41-21-230-186 Do a Crack Test

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

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

      4. Cracks are not permitted.

    7. SUBTASK 72-41-21-350-169-A00 Install the Dowel, Assembly A

    1. Refer to Figure and Figure.

      2. Freeze the dowel.

      1. Use UP10743 dowel HPC Ring Cases And Related Parts (72-41-21,03-825) 1 off.

      3. Use locally made freeze plug.

      3. Install the dowel.

      1. Use standard workshop equipment.

    8. SUBTASK 72-41-21-350-169-B00 Install the Dowel, Assembly B, Assembly C and Assembly D

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

      2. Freeze the dowel.

      1. Use UP60478 dowel HPC Ring Cases And Related Parts (72-41-21,03-825) 1 off.

      3. Use locally made freeze plug.

      3. Install the dowel.

      1. Use standard workshop equipment.

    9. SUBTASK 72-41-21-350-170 Install the Rivet, Assembly A, Assembly B, Assembly C and Assembly D

      2. Install the rivet and washer into the cone and dowel.

      1. Use rivet HPC Ring Cases And Related Parts (72-41-21, 03-822) 1 off and washer HPC Ring Cases And Related Parts (72-41-21, 03-824) 1 off as necessary.

    10. SUBTASK 72-41-21-390-063 Safety the Rivet in Place, Assembly A, Assembly B, Assembly C and Assembly D

      2. Cold squeeze the rivet in place.

      1. Refer to the SPM TASK 70-39-03-390-501.

    11. SUBTASK 72-41-21-350-201 Install the Pin, Assembly E

    1. Refer to Figure and Figure.

      2. Install the pin.

      1. Use AS44803 pin 1 off, 03-313.

      3. Use Locally Made Freeze Plug.

    12. SUBTASK 72-41-21-220-457 Examine the HP Compressor Front Support Cone Assembly, Assembly A, Assembly B, Assembly C and Assembly D

      2. Visually examine and measure the dimensions of the installed rivet.

      1. Refer to the SPM TASK 70-39-03-390-501, SUBTASK 70-39-03-390-005 for rivet quality standards.

      2. Use workshop inspection equipment.

    13. SUBTASK 72-41-21-220-759 Examine the HP Compressor Front Support Cone Assembly, Assembly E

    1. Refer to Figure and Figure.

      2. Visually examine the installed pin.

    14. SUBTASK 72-41-21-110-164 Chemically Clean

      1. Chemically clean the rivet head and dowel or the pin.

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

    15. SUBTASK 72-41-21-230-187 Do a Crack Test

      1. Do a local penetrant crack test on the rivet head and dowel or the pin.

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

      4. Discard cracked rivet(s), dowel or pin.

    16. SUBTASK 72-41-21-350-171 Identify the Repair

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

      2. Make a mark VRS6342, adjacent to the assembly part number.

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

      2. Use vibro-engraving equipment.

    17. SUBTASK 72-41-21-350-234 Apply the Surface Protection as necessary, Assembly C, Assembly D and Assembly E

      1. Touch-up the damaged surface protection as necessary.

      1. Refer to the SPM TASK 70-38-21-380-501, SUBTASK 70-38-21-380-010.

      3. Use a paint brush.

    18. Figure: Repair Details and Dimensions - Assembly A

    Repair Details and Dimensions - Assembly A

    Figure: Repair Details and Dimensions - Assembly B

    Repair Details and Dimensions - Assembly B

    Figure: Repair Details and Dimensions - Assembly C

    Repair Details and Dimensions - Assembly C

    Figure: Repair Details and Dimensions - Assembly D

    Repair Details and Dimensions - Assembly D

    Figure: Repair Details and Dimensions - Assembly E

    Repair Details and Dimensions - Assembly E

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

    Repair Details and Dimensions - Assembly A, Assembly B and Assembly D

    Figure: Repair Details and Dimensions - Assembly C

    Repair Details and Dimensions - Assembly C

    Figure: Repair Details and Dimensions - Assembly E

    Repair Details and Dimensions - Assembly E

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure to remove and replace the location pin when worn or damaged beyond serviceable limits. (96VR715B)

Change Type:

Revised procedural steps to standard format. (Editorial)

Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Link not Found
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:00BB6
Supply Number:CoMat 07-037
Type:sp01
Supply Short Name:CoMat 07-037 CORROSION RESISTANT TOUCH-UP COATING
Supply Name:CoMat 07-037 CORROSION RESISTANT TOUCH-UP COATING
Specification Groups:
Doc NumberType
PL.177 CERTIFIED MIL-C-81751
JCR-031 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
K6835
K3504
Manufacturer Code:00BB6
Supply Number:CoMat 07-038
Type:sp01
Supply Short Name:CoMat 07-038 AIR DRYING ENAMEL
Supply Name:CoMat 07-038 AIR DRYING ENAMEL
Specification Groups:
Doc NumberType
OMAT:7/22B (RR REF)IP9138 R1
JCR-029 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
K3504
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Freeze plug
Tool Name:Freeze plug
Manufacturer Code:LOCAL
Tool Number:Paint brush
Tool Name:Paint brush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Pneumatic hand held grinder
Tool Name:Pneumatic hand held grinder
Link not Found
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment