TASK 72-41-21-300-068 HPC Heatshields - Replace Loose Or Damaged Rivets And/or A Damaged End Fitting On The Stage 7 Front Heatshield, Repair-068 (VRS6302)

DMC:V2500-A0-72-41-2140-00A-652A-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 72-41-21-300-068 HPC Heatshields - Replace Loose Or Damaged Rivets And/or A Damaged End Fitting On The Stage 7 Front Heatshield, Repair-068 (VRS6302)

Effectivity

FIG/ITEM

PART NO.

03-180

6A3022

Assembly A

03-180

6A4570

Assembly B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Front Heatshield Assembly, Stage 7

EAK

Modified 12 percent Chromium Steel

End Fitting

EBQ

11 percent Chromium and 1 percent Molybdenum

Rivet, solid

QBE or QPK

Nimonic 75

General

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

This Repair replaces loose or damaged rivets and/or a damaged end fitting, on the HP Compressor Stage 7 Front Heatshield Assembly.

When loose or damaged rivet(s) are to be replaced do step 4 and step 4.

When a damaged end fitting is to be replaced do step 19 and setp 20.

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

HP Compressor Stage 7 Front Heatshield Assembly - Replace the Surface Protection, refer to TASK 72-41-21-300-072 (REPAIR-072).

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in the TASKS given below:
TASK 70-09-00-400-501
TASK 70-11-26-300-503
TASK 70-23-05-230-501
TASK 70-39-03-390-501

NOTE

To identify the consumable material, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Vertical drilling machineLOCALVertical drilling machine
Toolmakers clampLOCALToolmakers clamp

or equivalent

Standard workshop equipmentLOCALStandard workshop equipment
Vibrating marking pencilLOCALVibrating marking pencil
Portablegrinding equipmentLOCALPortable grinding equipment

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Rivet, solid, universal headAS162862

(Assembly A and Assembly B)

Rivet, solid, universal headAS162872

(Assembly A and Assembly B)

Rivet, solid, universal headAS162452

(Assembly A and Assembly B)

Rivet, solid, universal headAS162462

(Assembly A and Assembly B)

End fitting6A65161

(Assembly A)

End fitting6A65171

(Assembly B)

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-110-167 Clean the Assembly

      1. Chemically clean.

      1. Refer to TASK 72-41-21-100-000 (CLEANING-000).

      2. Use chemical cleaning equipment.

    2. SUBTASK 72-41-21-230-190 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to TASK 72-41-21-200-000 (INSPECTION/CHECK-000).

      2. Use penetrant crack test equipment.

      3. Cracks are not permitted.

    3. SUBTASK 72-41-21-323-066-A00 Remove Loose or Damaged Rivet(s), Assembly A

      NOTE

      The SUBTASKS which follow must only be done to replace loose or damaged rivet(s).

    1. Refer to Figure, Figure and Figure.

      2. Remove loose or damaged rivet(s).

      1. Use a vertical drilling machine.

    4. SUBTASK 72-41-21-323-066-B00 Remove Loose or Damaged Rivet(s), Assembly B

      NOTE

      The SUBTASKS which follow must only be done to replace loose or damaged rivet(s).

    1. Refer to Figure, Figure and Figure.

      2. Remove loose or damaged rivet(s).

      1. Use a vertical drilling machine.

    5. SUBTASK 72-41-21-220-463-A00 Examine the Rivet Hole(s), Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Visually examine and measure the diameter of the rivet hole(s).

      1. Mark damaged rivet hole(s).

    6. SUBTASK 72-41-21-220-463-B00 Examine the Rivet Hole(s), Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Visually examine and measure the diameter of the rivet hole(s).

      1. Mark damaged rivet hole(s).

    7. SUBTASK 72-41-21-323-067-A00 Drill the Plate and Rivet Hole(s), as necessary, Assembly A

      NOTE

      Only do the SUBTASK if the larger rivet(s) are to be installed.

    1. Refer to Figure, Figure and Figure.

      2. Drill the plate and the damaged rivet hole(s) to suit the larger rivet(s), as necessary.

      1. If the two rivets have been removed, safety the plate to the heatshield with a toolmakers clamp or equivalent.

      2. Use a vertical drilling machine.

      3. Remove sharp edges.

      1. Use standard workshop equipment.

    8. SUBTASK 72-41-21-323-067-B00 Drill the Plate and Rivet Hole(s), as necessary, Assembly B

      NOTE

      Only do the SUBTASK if the larger rivet(s) are to be installed.

    1. Refer to Figure, Figure and Figure.

      2. Drill the plate and the damaged rivet hole(s) to suit the larger rivet(s), as necessary.

      1. If the two rivets have been removed, safety the plate to the heatshield with a toolmakers clamp or equivalent.

      2. Use a vertical drilling machine.

      3. Remove sharp edges.

      1. Use standard workshop equipment.

    9. SUBTASK 72-41-21-110-168 Chemically Clean

      1. Chemically clean the plate and around the rivet hole(s).

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

      2. Use chemical cleaning equipment.

    10. SUBTASK 72-41-21-230-191 Do a Crack Test

      1. Do a local penetrant crack test on the plate and around the rivet hole(s).

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

      3. Cracks are not permitted.

    11. SUBTASK 72-41-21-350-174-A00 Install the Rivet(s), Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Install the rivet(s) into the heatshield and end fitting.

      1. Use AS16245 , 2 off, 03-187, AS16246 , 2 off, 03-188 and/or AS16286 , 2 off, 03-185 and AS16287 , 2 off, 03-186, as necessary.

      2. Use standard workshop equipment.

    12. SUBTASK 72-41-21-350-174-B00 Install the Rivet(s), Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Install the rivet(s) into the heatshield and end fitting.

      1. Use AS16245 , 2 off, 03-187, AS16246 , 2 off, 03-188 and/or AS16286 , 2 off, 03-185 and AS16287 , 2 off, 03-186, as necessary.

      2. Use standard workshop equipment.

    13. SUBTASK 72-41-21-390-064-A00 Safety the Rivet(s) in Place, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivet(s) in place.

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

      2. Use standard workshop equipment.

    14. SUBTASK 72-41-21-390-064-B00 Safety the Rivet(s) in Place, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivet(s) in place.

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

      2. Use standard workshop equipment.

    15. SUBTASK 72-41-21-110-169 Chemically Clean

      1. Chemically clean the rivet heads and plate.

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

      2. Use chemical cleaning equipment.

    16. SUBTASK 72-41-21-230-192 Do a Crack Test

      1. Do a local penetrant crack test on the rivet heads and end fitting.

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

      3. Cracks are not permitted.

    17. SUBTASK 72-41-21-350-175 Identify the Repair

      1. Mark VRS6302/1 adjacent to the part number when loose or damaged rivet(s) is/are replaced.

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

      2. Use vibro-engraving equipment.

    18. SUBTASK 72-41-21-380-119 Apply the Surface Protection

      1. Apply the surface protection to the HP compressor stage 7 heatshield assembly.

      1. Refer to VRS6303, TASK 72-41-21-300-072 (REPAIR-072).

    19. SUBTASK 72-41-21-350-176-A00 Remove the Damaged End Fitting, Assembly A

      NOTE

      The SUBTASKS which follow must only be used to replace the damaged end fitting.

    1. Refer to Figure, Figure and Figure.

      2. Release the damaged end fitting.

      1. Position the heatshield with damaged end fitting side up.

      2. Grind off the heads of the rivets.

      3. Use a portable grinding machine.

      3. Remove the rivets.

      1. Use standard workshop equipment.

    4. Discard the damaged end fitting.

    20. SUBTASK 72-41-21-350-176-B00 Remove the Damaged End Fitting, Assembly B

      NOTE

      The SUBTASKS which follow must only be used to replace the damaged end fitting.

    1. Refer to Figure, Figure and Figure.

      2. Release the damaged end fitting.

      1. Position the heatshield with damaged end fitting side up.

      2. Grind off the heads of the rivets.

      3. Use a portable grinding machine.

      3. Remove the rivets.

      1. Use standard workshop equipment.

    4. Discard the damaged end fitting.

    21. SUBTASK 72-41-21-220-464-A00 Examine the Rivet Holes, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Visually examine and measure the diameter of the rivet holes.

      1. Mark damaged rivet hole(s).

    22. SUBTASK 72-41-21-220-464-B00 Examine the Rivet Holes, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Visually examine and measure the diameter of the rivet holes.

      1. Mark damaged rivet hole(s).

    23. SUBTASK 72-41-21-323-068-A00 Drill the End Fitting and Rivet Hole(s), Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Safety the end fitting to the heatshield.

      1. Use 6A6516 , 1 off, 03-190 with toolmakers clamp or equivalent.

        NOTE

        Drill the rivet hole(s) to suit the larger rivet, if necessary.

      3. Drill the end fitting and the rivet hole(s).

      1. Position the heatshield with the end fitting side down.

      2. Use a vertical drilling machine.

      4. Remove sharp edges.

      1. Use standard workshop equipment.

    24. SUBTASK 72-41-21-323-068-B00 Drill the End Fitting and Rivet Hole(s), Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Safety the end fitting to the heatshield.

      1. Use 6A6516 , 1 off, 03-190 with toolmakers clamp or equivalent.

        NOTE

        Drill the rivet hole(s) to suit the larger rivet, if necessary.

      3. Drill the end fitting and the rivet hole(s).

      1. Position the heatshield with the end fitting side down.

      2. Use a vertical drilling machine.

      4. Remove sharp edges.

      1. Use standard workshop equipment.

    25. SUBTASK 72-41-12-110-170 Chemically Clean

      1. Chemically clean the end fitting and around the rivet holes.

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

      2. Use chemical cleaning equipment.

    26. SUBTASK 72-41-21-230-193 Do a Crack Test

      1. Do a local penetrant crack test on the end fitting and around the rivet holes.

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

      3. Cracks are not permitted.

    27. SUBTASK 72-41-12-350-177-A00 Install the Rivets, Assemby A

    1. Refer to Figure, Figure and Figure.

      2. Install the rivet(s) into the heatshield and end fitting.

      1. Use AS16245 , 2 off, 03-187, AS16246 , 2 off, 03-188 and/or AS16286 , 2 off, 03-185 and AS16287 , 2 off, 03-186, as necessary.

      2. Use standard workshop equipment.

    28. SUBTASK 72-41-12-350-177-B00 Install the Rivets, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Install the rivet(s) into the heatshield and end fitting.

      1. Use AS16245 , 2 off, 03-187, AS16246 , 2 off, 03-188 and/or AS16286 , 2 off, 03-185 and AS16287 , 2 off, 03-186, as necessary.

      2. Use standard workshop equipment.

    29. SUBTASK 72-41-21-390-065-A00 Safety the Rivet(s) in Place, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivet(s) in place.

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

      2. Use standard workshop equipment.

    30. SUBTASK 72-41-21-390-065-B00 Safety the Rivet(s) in Place, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivet(s) in place.

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

      2. Use standard workshop equipment.

    31. SUBTASK 72-41-21-110-171 Chemically Clean

      1. Chemically clean the rivet heads and plate.

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

      2. Use chemical cleaning equipment.

    32. SUBTASK 72-41-21-230-194 Do a Crack Test

      1. Do a local penetrant crack test on the rivet heads and end fitting.

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

      3. Cracks are not permitted.

    33. SUBTASK 72-41-21-350-178 Identify the Repair

      1. Mark VRS6302/2 adjacent to the part number when a damaged end fitting is replaced.

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

      2. Use vibro-engraving equipment.

    34. SUBTASK 72-41-21-380-120 Apply the Surface Protection

      1. Apply the surface protection to the HP compressor stage 7 front heatshield assembly.

      1. Refer to VRS6303, TASK 72-41-21-300-072 (REPAIR-072).

    35. 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 A and Assembly B

    Repair details and dimensions - Assembly A and Assembly B

    Figure: Repair details and dimensions - Assembly A and Assembly B

    Repair details and dimensions - Assembly A and Assembly B

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
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:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Portable grinding equipment
Tool Name:Portablegrinding equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Toolmakers clamp
Tool Name:Toolmakers clamp
Manufacturer Code:LOCAL
Tool Number:Vertical drilling machine
Tool Name:Vertical drilling machine
Link not Found