TASK 72-41-21-300-042 HPC Stage 10 Case and Stage 11 Rotor Path Case Assembly - Replace Loose and/or Damaged Rivets and/or Worn Sealing Ring, Repair-042 (VRS6331)

DMC:V2500-A0-72-41-2110-01A-920A-C|Issue No:003.00|Issue Date:2018-05-01

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 72-41-21-300-042 HPC Stage 10 Case and Stage 11 Rotor Path Case Assembly - Replace Loose and/or Damaged Rivets and/or Worn Sealing Ring, Repair-042 (VRS6331)

Effectivity

FIG/ITEM

PART NO.

04-350

6A3389

Assembly A

04-350

6A5436

Assembly B

04-350

6A5438

Assembly C

04-350

6A5624

Assembly D

04-350

6A5676

Assembly B

04-350

6A6512

Assembly D

04-350

6A6551

Assembly E

04-350

6A7531

Assembly E

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Case Assembly, Stage 10 or Stage 11 Rotor Path

QRK

or

QTX

Nickel, Cobalt steel

Retainer, Stage 10 Case or Stage 11 Rotor Path Case Sealing Ring

QRK

or

QTX

Nickel, Cobalt steel

Sealing Ring, Stage 10 Case or Stage 11 Rotor Path Case

ENH

Chrome, cobalt, molybdenum steel

or

EEJ

Corrosion resistant steel

Rivet, Solid

QBE

or

QPK

Nimonic 75

General

This Repair must only be done when the instruction to do so is given in TASK 72-41-21-200-000 (INSPECTION-000).

This Repair replaces loose and/or damaged rivets, and/or a worn sealing ring, in the HP Compressor case assembly, stage 10 and stage 11 rotor path.

When loose and/or damaged rivet(s) are to be replaced, do SUBTASK 72-41-21-323-051.

When a worn sealing ring is to be replaced, do SUBTASK 72-41-21-323-053.

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.

REPAIR SCHEME No.

TITLE

VRS6533

Replace The Seal Retainer Coating On The Stage 10 Case And With The Stage 11 Rotor Path Liners.

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the cleaning and inspection procedures are done before this repair.

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Horizontal drilling machineLOCALHorizontal drilling machine
Standard workshop equipmentLOCALStandard workshop equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
ClampLOCALClamp
Chemical cleaning equipmentLOCALChemical cleaning equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment
Vibrating marking pencilLOCALVibrating marking pencil

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
DELETEDLOCALDELETED

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Rivet, solid universal headAS1624748 AR

Assembly A

Rivet, solid universal headAS1624796 AR

Assembly B

Rivet, solid 100 degree countersunk headAS1664796 AR

Assembly C

Rivet, solid 100 degree countersunk headAS1664724 AR

Assembly D and E

Rivet, solid universal headAS1628848 AR

Assembly A

Rivet, solid universal headAS1628896 AR

Assembly B

Rivet, solid 100 degree countersunk headAS1668896 AR

Assembly C

Rivet, solid 100 degree countersunk headAS1668824 AR

Assembly D and E

Retainer, stage 10 case sealing ring6A74151

Assembly A and B

Retainer, stage 10 case sealing ring6A74161

Assembly C

Retainer, stage 10 case or stage 11 rotor path case sealing ring6A74171

Assembly D and E

Sealing ring, stage 10 case6A12521

Assembly A

Sealing ring, stage 10 case or stage 11 rotor path case6A57031

Assembly B, C, D and E

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-323-051-A00 Remove Loose and/or Damaged Rivet(s), Assembly A

      NOTE

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

    1. Refer to Figure.

    2. Remove loose and/or damaged rivet(s).

    2. SUBTASK 72-41-21-323-051-B00 Remove Loose and/or Damaged Rivet(s), Assembly B

      NOTE

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

    1. Refer to Figure.

    2. Remove loose and/or damaged rivet(s).

    3. SUBTASK 72-41-21-323-051-C00 Remove Loose and/or Damaged Rivet(s), Assembly C

      NOTE

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

    1. Refer to Figure.

    2. Remove loose and/or damaged rivet(s).

    4. SUBTASK 72-41-21-323-051-D00 Remove Loose and/or Damaged Rivet(s), Assembly D

      NOTE

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

    1. Refer to Figure.

    2. Remove loose and/or damaged rivet(s).

    5. SUBTASK 72-41-21-323-051-E00 Remove Loose and/or Damaged Rivet(s), Assembly E

    1. Refer to Figure.

      NOTE

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

    2. Remove loose and/or damage rivet(s).

    6. SUBTASK 72-41-21-220-291-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).

      3. Identify the damaged rivet hole(s).

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    7. SUBTASK 72-41-21-220-291-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).

      3. Identify the damaged rivet hole(s).

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    8. SUBTASK 72-41-21-220-291-C00 Examine the Rivet Hole(s), Assembly C

    1. Refer to Figure, Figure and Figure.

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

      3. Identify the damaged rivet hole(s).

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    9. SUBTASK 72-41-21-220-291-D00 Examine the Rivet Hole(s), Assembly D

    1. Refer to Figure, Figure and Figure.

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

      3. Identify the damaged rivet hole(s).

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    10. SUBTASK 72-41-21-220-291-E00 Examine the Rivet Hole(s), Assembly E

    1. Refer to Figure, Figure and Figure.

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

      3. Identify the damaged rivet hole(s).

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    11. SUBTASK 72-41-21-323-052-A00 Drill Rivet Hole(s), as necessary, Assembly A

      NOTE

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

    1. Refer to Figure, Figure and Figure.

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

      3. Remove the sharp edges around the rivet hole(s).

      1. Refer to the SPM TASK 70-35-03-300-501.

    12. SUBTASK 72-41-21-323-052-B00 Drill Rivet Hole(s), as necessary, Assembly B

      NOTE

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

    1. Refer to Figure, Figure and Figure.

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

      3. Remove the sharp edges around the rivet hole(s).

      1. Refer to the SPM TASK 70-35-03-300-501.

    13. SUBTASK 72-41-21-323-052-C00 Drill Rivet Hole(s), as necessary, Assembly C

      NOTE

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

    1. Refer to Figure, Figure and Figure.

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

      3. Remove the sharp edges around the rivet hole(s).

      1. Refer to the SPM TASK 70-35-03-300-501.

    14. SUBTASK 72-41-21-323-052-D00 Drill Rivet Hole(s), as necessary, Assembly D

      NOTE

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

    1. Refer to Figure, Figure and Figure.

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

      3. Remove the sharp edges around the rivet hole(s).

      1. Refer to the SPM TASK 70-35-03-300-501.

    15. SUBTASK 72-41-21-323-052-E00 Drill Hole(s), as necessary, Assembly E

    1. Refer to Figure, Figure and Figure.

    2. NOTE

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

      Drill damaged rivet hole(s) to suit the larger rivet(s) as necessary.

      3. Remove the sharp edges around the rivet hole(s).

      1. Refer to the SPM TASK 70-35-03-300-501.

    16. SUBTASK 72-41-21-350-129-A00 Install the Rivet(s), Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Put the rivet(s) in the rivet hole(s) as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly A.

    17. SUBTASK 72-41-21-350-129-B00 Install the Rivet(s), Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Put the rivet(s) in the rivet hole(s) as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly B.

    18. SUBTASK 72-41-21-350-129-C00 Install the Rivet(s), Assembly C

    1. Refer to Figure, Figure and Figure.

      2. Put the rivet(s) in the rivet hole(s) as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly C.

    19. SUBTASK 72-41-21-350-129-D00 Install the Rivet(s), Assembly D

    1. Refer to Figure, Figure and Figure.

      2. Put the rivet(s) in the rivet hole(s) as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly D.

    20. SUBTASK 72-41-21-350-129-E00 Install the Rivet(s), Assembly E

    1. Refer to Figure, Figure and Figure.

      2. Put the rivet(s) in the rivet hole(s) as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly E.

    21. SUBTASK 72-41-21-390-052-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.

    22. SUBTASK 72-41-21-390-052-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.

    23. SUBTASK 72-41-21-390-052-C00 Safety the Rivet(s) in Place, Assembly C

    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.

    24. SUBTASK 72-41-21-390-052-D00 Safety the Rivet(s) in Place, Assembly D

    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.

    25. SUBTASK 72-41-21-390-052-E00 Safety the Rivet(s) in Place, Assembly E

    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.

    26. SUBTASK 72-41-21-230-131 Do a Crack Test

      1. Do a penetrant crack test on the new rivet(s).

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

      2. Use ultra high sensitivity.

      3. Discard the cracked rivet(s).

    27. SUBTASK 72-41-21-350-130 Identify the Repair

      1. Mark VRS6331/1 adjacent to the assembly number when 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.

    28. SUBTASK 72-41-21-323-053-A00 Remove a Worn Sealing Ring, Assembly A

    1. Refer to Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE WHEN YOU DRILL OUT THE RIVETS.

        NOTE

        The SUBTASKS which follow must only be used to replace a worn sealing ring.

        Make a mark on each part, to make sure that they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      3. Remove the rivets to release the sealing ring and the sealing ring retainer.

      1. Use a horizontal drilling machine.

    4. Discard the worn sealing ring.

    29. SUBTASK 72-41-21-323-053-B00 Remove a Worn Sealing Ring, Assembly B

    1. Refer to Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE WHEN YOU DRILL OUT THE RIVETS.

        NOTE

        The SUBTASKS which follow must only be used to replace a worn sealing ring.

        Make a mark on each part, to make sure that they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use temporary marker.

    3. Remove the rivets to release the sealing ring and the sealing ring retainer.

    4. Discard the worn sealing ring.

    30. SUBTASK 72-42-21-323-053-C00 Remove a Worn Sealing Ring, Assembly C

    1. Refer to Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE WHEN YOU DRILL OUT THE RIVETS.

        NOTE

        The SUBTASKS which follow must only be used to replace a worn sealing ring.

        Make a mark on each part, to make sure that they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    3. Remove the rivets to release the sealing ring and the sealing ring retainer.

    4. Discard the worn sealing ring.

    31. SUBTASK 72-41-21-323-053-D00 Remove a Worn Sealing Ring, Assembly D

    1. Refer to Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE WHEN YOU DRILL OUT THE RIVETS.

        NOTE

        The SUBTASKS which follow must only be used to replace a worn sealing ring.

        Make a mark on each part, to make sure that they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    3. Remove the rivets to release the sealing ring.

    4. Discard the worn sealing ring.

    32. SUBTASK 72-41-21-323-053-E00 Remove a Worn Sealing Ring, Assembly E

    1. Refer to Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 11 ROTOR PATH, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL OUT THE RIVETS.

        NOTE

        The SUBTASKS, which follow must only be used to replace a worn sealing ring and/or damaged sealing ring retainer.

        Make a mark on each part, to make sure that they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

    3. Remove the rivets to release the sealing ring and the sealing ring retainer.

    4. Discard the worn sealing ring.

    33. SUBTASK 72-41-21-220-001-001 Examine the Seal Retainer Coating on the HP Compressor Case

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

    2. Visually examine the seal retainer coating on the HP Compressor Case.

      3. If damaged, worn or cracked.

      1. Refer to Repair, VRS6533 TASK 72-41-21-300-093 (REPAIR-093) to replace the seal retainer coating.

    34. SUBTASK 72-41-21-230-204 Do a Crack Test

      1. Do a penetrant crack test on the sealing ring retainer.

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

      2. Use ultra high sensitivity.

      3. Cracks are not permitted.

    35. SUBTASK 72-41-21-220-292-A00 Examine the Rivet Holes and Sealing Ring Retainer, Assembly A

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

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

      1. Mark damaged rivet holes.

      2. Refer to the SPM TASK 70-09-01-400-501.

      3. Use a temporary marker.

      3. Damaged rivet holes.

      1. Do Step SUBTASK 72-41-21-323-052-A00, as necessary.

    4. Visually examine and measure the dimensions of the sealing ring retainer.

      5. If damaged, worn or cracked.

      1. Do Step SUBTASK 72-41-21-323-072-A00, as necessary.

    36. SUBTASK 72-41-21-220-292-B00 Examine the Rivet Holes and Sealing Ring Retainer, Assembly B

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

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

      1. Mark damaged rivet holes.

      2. Refer to the SPM TASK 70-09-01-400-501.

      3. Use a temporary marker.

      3. Damaged rivet holes.

      1. Do Step SUBTASK 72-41-21-323-052-B00, as necessary.

    4. Visually examine and measure the dimensions of the sealing ring retainer.

      5. If damaged, worn or cracked.

      1. Do Step SUBTASK 72-41-21-323-072-B00, as necessary.

    37. SUBTASK 72-41-21-220-292-C00 Examine the Rivet Holes and Sealing Ring Retainer, Assembly C

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

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

      1. Mark damaged rivet holes.

      2. Refer to the SPM TASK 70-09-01-400-501.

      3. Use a temporary marker.

      3. Damaged rivet holes.

      1. Do Step SUBTASK 72-41-21-323-052-C00, as necessary.

    4. Visually examine and measure the dimensions of the sealing ring retainer.

      5. If damaged, worn or cracked.

      1. Do Step SUBTASK 72-41-21-323-072-C00, as necessary.

    38. SUBTASK 72-41-21-220-292-D00 Examine the Rivet Holes and Sealing Ring Retainer, Assembly D

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

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

      1. Mark damaged rivet holes.

      2. Refer to the SPM TASK 70-09-01-400-501.

      3. Use a temporary marker.

      3. Damaged rivet holes.

      1. Do Step SUBTASK 72-41-21-323-052-D00, as necessary.

    4. Visually examine and measure the dimensions of the sealing ring retainer.

      5. If damaged, worn or cracked.

      1. Do Step SUBTASK 72-41-21-323-072-D00, as necessary.

    39. SUBTASK 72-41-21-220-292-E00 Examine the Rivet Hole(s), and the Sealing Ring Retainer, Assembly E

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

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

      1. Mark damaged rivet holes.

      2. Refer to the SPM TASK 70-09-01-400-501.

      3. Use a temporary marker.

      3. Damaged rivet holes.

      1. Do Step SUBTASK 72-41-21-323-052-E00, as necessary.

    4. Visually examine and measure the dimensions of the sealing ring retainer.

      5. If damaged, worn or cracked.

      1. Do Step SUBTASK 72-41-21-323-072-E00, as necessary.

    40. SUBTASK 72-41-21-323-072-A00 Install a New Sealing Ring Retainer, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL THROUGH THE CASE AND SEALING RING RETAINER.

        NOTE

        Only do this SUBTASK, if a new sealing ring retainer is to be replaced.

        Clamp the new sealing ring retainer on to the HP Compressor case assembly, stage 10.

      1. Use a clamp or a locally made fixture.

      3. Put a mark on each part, to make sure they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      4. Drill standard or larger rivet hole(s), as necessary.

      1. Use the HP Compressor case assembly as a template and drill through the rivet holes into the sealing ring retainer.

    5. Remove the clamp.

      6. Remove the burrs and sharp edges from the holes.

      1. Refer to the SPM TASK 70-35-03-300-501.

    41. SUBTASK 72-41-21-323-072-B00 Install a New Sealing Ring Retainer, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL THROUGH THE CASE AND SEALING RING RETAINER.

        NOTE

        Only do this SUBTASK, if a new sealing ring retainer is to be replaced.

        Clamp the new sealing ring retainer on to the HP Compressor case assembly, stage 10.

      1. Use a clamp or a locally made fixture.

      3. Put a mark on each part, to make sure they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      4. Drill standard or larger rivet hole(s), as necessary.

      1. Use the HP Compressor case assembly as a template and drill through the rivet holes into the sealing ring retainer.

    5. Remove the clamp.

      6. Remove the burrs and sharp edges from the holes.

      1. Refer to the SPM TASK 70-35-03-300-501.

    42. SUBTASK 72-41-21-323-072-C00 Install a New Sealing Ring Retainer, Assembly C

    1. Refer to Figure, Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL THROUGH THE CASE AND SEALING RING RETAINER.

        NOTE

        Only do this SUBTASK, if a new sealing ring retainer is to be replaced.

        Clamp the new sealing ring retainer on to the HP Compressor case assembly, stage 10.

      1. Use a clamp or a locally made fixture.

      3. Put a mark on each part, to make sure they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      4. Drill standard or larger rivet hole(s), as necessary.

      1. Use the HP Compressor case assembly as a template and drill through the rivet holes into the sealing ring retainer.

    5. Remove the clamp.

      6. Remove the burrs and sharp edges from the holes.

      1. Refer to the SPM TASK 70-35-03-300-501.

    43. SUBTASK 72-41-21-323-072-D00 Install a New Sealing Ring Retainer, Assembly D

    1. Refer to Figure, Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 10, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL THROUGH THE CASE AND SEALING RING RETAINER.

        NOTE

        Only do this SUBTASK, if a new sealing ring retainer is to be replaced.

        Clamp the new sealing ring retainer on to the HP Compressor case assembly, stage 10.

      1. Use a clamp or a locally made fixture.

      3. Put a mark on each part, to make sure they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      4. Drill standard or larger rivet hole(s), as necessary.

      1. Use the HP Compressor case assembly as a template and drill through the rivet holes into the sealing ring retainer.

    5. Remove the clamp.

      6. Remove the burrs and sharp edges from the holes.

      1. Refer to the SPM TASK 70-35-03-300-501.

    44. SUBTASK 72-41-21-323-072-E00 Install a New Sealing Ring Retainer, Assembly E

    1. Refer to Figure, Figure and Figure.

      2. CAUTION

        YOU MUST MAKE SURE THAT ALL THE PARTS OF THE HP COMPRESSOR CASE ASSEMBLY, STAGE 11 ROTOR PATH, ARE TIGHTLY ATTACHED ON THE DRILLING MACHINE, WHEN YOU DRILL THROUGH THE CASE AND SEALING RING RETAINER.

        NOTE

        Only do this SUBTASK, if a new sealing ring retainer is to be replaced.

        Clamp the new sealing ring retainer on to the HP Compressor case assembly, stage 11 rotor path.

      1. Use 6A7417 retainer, Stage 11 rotor path case sealing ring, 1 off, 04-404.

      2. Use a clamp or a locally made fixture.

      3. Put a mark on each part, to make sure they agree at assembly.

      1. Refer to the SPM TASK 70-09-01-400-501.

      2. Use a temporary marker.

      4. Drill standard or larger rivet hole(s), as necessary.

      1. Use the HP Compressor case assembly as a template and drill through the rivet holes into the sealing ring retainer.

    5. Remove the clamp.

      6. Remove the burrs and sharp edges from the holes.

      1. Refer to the SPM TASK 70-35-03-300-501.

    45. SUBTASK 72-41-21-110-183 Chemically Clean

      1. Chemically clean the HP Compressor case assembly, stage 10 or stage 11 rotor path and the new sealing ring retainer.

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

    46. SUBTASK 72-41-21-230-205 Do a Crack Test

      1. Do a penetrant crack test on the new sealing ring retainer.

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

      2. Use ultra high sensitivity.

      3. Cracks are not permitted.

    47. SUBTASK 72-41-21-220-504-A00 Examine the New Sealing Ring Retainer, Assembly A

    1. Refer to Figure, Figure and Figure.

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

    48. SUBTASK 72-41-21-220-504-B00 Examine the New Sealing Ring Retainer, Assembly B

    1. Refer to Figure, Figure and Figure.

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

    49. SUBTASK 72-41-21-220-504-C00 Examine the New Sealing Ring Retainer, Assembly C

    1. Refer to Figure, Figure and Figure.

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

    50. SUBTASK 72-41-21-220-504-D00 Examine the New Sealing Ring Retainer, Assembly D

    1. Refer to Figure, Figure and Figure.

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

    51. SUBTASK 72-41-21-220-504-E00 Examine the New Sealing Ring Retainer, Assembly E

    1. Refer to Figure, Figure and Figure.

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

    52. SUBTASK 72-41-21-350-131-A00 Install a New Sealing Ring with Sealing Ring Retainer, Assembly A

    1. Refer to Figure, Figure and Figure.

    2. Align the marks made in Step SUBTASK 72-41-21-323-053-A00 and Step SUBTASK 72-41-21-323-072-A00, as necessary.

      3. Install a new sealing ring and sealing ring retainer, as necessary.

      1. Use the applicable sealing ring and sealing ring retainer specified in the spares table for Assembly A.

      4. Install the rivets to safety the new sealing ring and sealing ring retainer in position, as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly A

    53. SUBTASK 72-41-21-350-131-B00 Install a New Sealing Ring with Sealing Ring Retainer, Assembly B

    1. Refer to Figure, Figure and Figure.

    2. Align the marks made in Step SUBTASK 72-41-21-323-053-B00 and Step SUBTASK 72-41-21-323-072-B00, as necessary.

      3. Install a new sealing ring and sealing ring retainer, as necessary.

      1. Use the applicable sealing ring and sealing ring retainer specified in the spares table for Assembly B.

      4. Install the rivets to safety the new sealing ring and sealing ring retainer in position, as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly B.

    54. SUBTASK 72-41-21-350-131-C00 Install a New Sealing Ring with Sealing Ring Retainer, Assembly C

    1. Refer to Figure, Figure and Figure.

    2. Align the marks made in Step SUBTASK 72-42-21-323-053-C00 and Step SUBTASK 72-41-21-323-072-C00, as necessary.

      3. Install a new sealing ring and sealing ring retainer, as necessary.

      1. Use the applicable sealing ring and sealing ring retainer specified in the spares table for Assembly C.

      4. Install the rivets to safety the new sealing ring and sealing ring retainer in position, as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly C.

    55. SUBTASK 72-41-21-350-131-D00 Install a New Sealing Ring with Sealing Ring Retainer, Assembly D

    1. Refer to Figure, Figure and Figure.

    2. Align the marks made in Step SUBTASK 72-41-21-323-053-D00 and Step SUBTASK 72-41-21-323-072-D00, as necessary.

      3. Install a new sealing ring and sealing ring retainer, as necessary.

      1. Use the applicable sealing ring and sealing ring retainer specified in the spares table for Assembly D.

      4. Install the rivets to safety the new sealing ring and sealing ring retainer in position, as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly D.

    56. SUBTASK 72-41-21-350-131-E00 Install a New Sealing Ring with Sealing Ring Retainer, Assembly E

    1. Refer to Figure, Figure and Figure.

    2. Align the marks made in Step SUBTASK 72-41-21-323-053-E00 and Step SUBTASK 72-41-21-323-072-E00, as necessary.

      3. Install a new sealing ring and sealing ring retainer, as necessary.

      1. Use the applicable sealing ring and sealing ring retainer specified in the spares table for Assembly E.

      4. Install the rivets to safety the new sealing ring and sealing ring retainer in position, as necessary.

      1. Use the applicable rivets specified in the spares table for Assembly E.

    57. SUBTASK 72-41-21-350-132-A00 Safety the New Sealing Ring in Place, Assembly A

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivets in place.

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

    58. SUBTASK 72-41-21-350-132-B00 Safety the New Sealing Ring in Place, Assembly B

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivets in place.

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

    59. SUBTASK 72-41-21-350-132-C00 Safety the New Sealing Ring in Place, Assembly C

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivets in place.

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

    60. SUBTASK 72-41-21-350-132-D00 Safety the New Sealing Ring in Place, Assembly D

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivets in place.

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

    61. SUBTASK 72-41-21-350-132-E00 Safety the New Sealing Ring in Place, Assembly E

    1. Refer to Figure, Figure and Figure.

      2. Cold squeeze the rivets in place.

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

    62. SUBTASK 72-41-21-230-132 Do a Crack Test

      1. Do a penetrant crack test on the new rivets.

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

      2. Use ultra high sensitivity.

      3. Discard cracked rivet(s).

    63. SUBTASK 72-41-21-220-293-A00 Examine the New Sealing Ring, Assembly A

    1. Refer to Figure.

      2. Examine the sealing ring for free movement.

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

    64. SUBTASK 72-41-21-220-293-B00 Examine the New Sealing Ring, Assembly B

    1. Refer to Figure.

      2. Examine the sealing ring for free movement.

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

    65. SUBTASK 72-41-21-220-293-C00 Examine the New Sealing Ring, Assembly C

    1. Refer to Figure.

      2. Examine the sealing ring for free movement.

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

    66. SUBTASK 72-41-21-220-293-D00 Examine the New Sealing Ring, Assembly D

    1. Refer to Figure.

      2. Examine the sealing ring for free movement.

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

    67. SUBTASK 72-41-21-220-293-E00 Examine the new Sealing ring, Assembly E

    1. Refer to Figure.

      2. Examine the sealing ring for free movement.

      1. Refer to TASK 72-41-21-200-000 (INSPECTION-000) for inspection standards.

    68. SUBTASK 72-41-21-350-133 Identify the Repair

      1. Mark VRS6331/2 adjacent to the assembly number when a worn sealing ring is replaced.

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

      2. Use vibro-engraving equipment.

    69. 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 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

    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 and Assembly E

    Repair details and dimensions - Assembly D and Assembly E

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

    Repair details and dimensions - Assembly A and Assembly B

    Figure: Repair details and dimensions - Assy's C, D and E

    Repair details and dimensions - Assy's C, D and E

    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 D and Assembly E

    Repair details and dimensions - Assembly D and Assembly E

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure in its entirety. (16VG013)

Change Type:

Deleted the CoMat 02-121, CoMat 02-122, CoMat 06-022. (16VG013)

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
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Clamp
Tool Name:Clamp
Manufacturer Code:LOCAL
Tool Number:Horizontal drilling machine
Tool Name:Horizontal drilling machine
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment