TASK 72-42-50-300-001 HPC Rear Static Seal - Replace The Brush Seal Assembly, Repair-001 (VRS6201)

DMC:V2500-A0-72-42-5001-00A-920A-C|Issue No:002.00|Issue Date:2016-08-01

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 72-42-50-300-001 HPC Rear Static Seal - Replace The Brush Seal Assembly, Repair-001 (VRS6201)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

01-100

6A3932

A

01-100

6A4806

B

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Support cone

QAW or

Nimonic 80A

QAL

Seal carrier

QAW or

Nimonic 80A

QAL

Retaining plate

QAR

C263

Rivets

QBE

Nimonic 75

General

This repair must only be done when the instruction to do so is given in TASK 72-42-50 Inspection.

This repair replaces the brush seal assembly in the 3 to 8 drum HP compressor static air seal - assembly.

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 AG

Related repairs - none

NOTE

  1. Equivalent materials or equipment can be used.

  2. More equipment and materials necessary to do this repair are in the SPM TASKS that follow:

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Hand grinderLOCALHand grinder
Vertical drilling machineLOCALVertical drilling machine
Standard workshop equipmentLOCALStandard workshop equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Special container for liquid nitrogenLOCALSpecial container for liquid nitrogen
Heat protection glovesLOCALHeat protection gloves
Hot squeeze riveting electrodesLOCALHot squeeze riveting electrodes
Resistance welding machineLOCALResistance welding machine
Vibro-engraving equipmentLOCALVibro-engraving 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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Plate retaining6A41416 AR
Rivet, solidAS1628824 AR
Rivet, solidAS1632924 AR
Rivet, solidAS1628948 AR
Rivet, solidAS1633048 AR
Brush seal6A39331 AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-50-350-058 Disassemble the Static Seal Assembly

    1. Refer to Figure

      2. Make a mark to give correct radial location of parts.

      1. Use standard workshop tools.

      3. Grind off the rivets which hold the outer seal carrier to the support cone.

      1. Use hand grinder.

    4. Remove the outer seal carrier.

      5. Grind off the rivets which hold the retaining plates to the outer seal carrier.

      1. Use hand grinder.

    6. Remove the brush seal.

    2. SUBTASK 72-42-50-220-068 Visually Examine

    1. Refer to Figure, Figure and Figure

      2. Measure the diameter of rivet holes in the support cone and outer seal carrier.

      1. Keep a note of the damaged holes.

      3. Examine the retaining plates.

      1. Discard damaged retaining plates.

    3. SUBTASK 72-42-50-323-051 Drill Damaged Rivet Holes

    1. Refer to Figure, Figure and Figure

      2. Drill damaged rivet holes in support cone and outer seal carrier, for the larger rivet(s), as necessary.

      1. Use vertical drilling machine.

      3. Remove sharp edges.

      1. Use standard workshop tools.

    4. SUBTASK 72-42-50-230-073 Do a Crack Test

      1. Do a local penetrant crack test of the drilled hole(s).

      1. Refer to SPM TASK 70-23-04-230-501.

        Cracks are not permitted.

    5. SUBTASK 72-42-50-350-059 Assemble the Outer Seal Carrier

    1. Refer to Figure

      2. Freeze the brush seal.

      1. Use brush seal, 1 off, 01-130, with CoMat 03-026 LIQUID NITROGEN put in a suitable container for liquid nitrogen.

        Use protective gloves.

      3. Install the brush seal in the outer seal carrier.

      1. Make sure the brush seal is correctly installed.

    6. SUBTASK 72-42-50-350-060-A00 Assemble the Retaining Plates, Assembly A

    1. Refer to Figure, Figure and Figure

      2. Attach the retaining plates to the outer seal carrier.

      1. Use plate retaining 6 off, 01-128, as required.

        Attach in position with a clamp.

        Use standard workshop tools.

      3. Drill the rivet holes in the retaining ring.

      1. Use a vertical drilling machine.

        Drill through the holes in the seal carrier to the correct diameter as necessary.

        Use standard workshop tools.

      4. Remove sharp edges.

      1. Use standard workshop tools.

      5. Put the rivets in the rivet holes as necessary and cut to length.

      1. Use rivet solid, universal head, 24 off, 01-120 and/or rivet solid, universal head, 24 off, 01-121, as necessary.

        Use standard workshop tools.

        Cut rivets to dimension AG.

    7. SUBTASK 72-42-50-350-060-B00 Assemble the Retaining Plates, Assembly B

    1. Refer to Figure, Figure and Figure

      2. Attach the retaining plates to the outer seal carrier.

      1. Use plate retaining, 6 off, 01-128, as required.

        Attach in position with a clamp.

        Use standard workshop equipment.

      3. Drill the rivet holes in the retaining ring.

      1. Use a vertical drilling machine.

        Drill through the holes in the seal carrier to the correct diameter, as necessary.

        Use standard workshop equipment.

      4. Remove sharp edges.

      1. Use standard workshop equipment.

      5. Put the rivets in the rivet holes, as necessary and cut to length.

      1. Use rivet solid, universal head, 24 off, 01-120 and/or rivet solid, universal head, 24 off, 01-121, as necessary.

        Use standard workshop equipment.

        Cut the rivets to dimension AG.

    8. SUBTASK 72-42-50-390-052-001 Safety the Retaining Plates

    1. Refer to Figure

      2. Hot squeeze the rivets.

      1. Refer to SPM TASK 70-39-02-390-501.

        Use hot squeeze riveting electrodes with resistance welding machine.

        NOTE

        Use low voltage for minimum quantity of heat required to give the rivet the correct shape.

    9. SUBTASK 72-42-50-390-052-002 Safety the Retaining Plates

    1. Refer to Figure

      2. Cold squeeze the rivets.

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

        Use standard workshop tools.

    10. SUBTASK 72-42-50-230-061 Do a Crack Test

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

      1. Refer to SPM TASK 70-23-04-230-501.

        Cracks are not permitted.

    11. SUBTASK 72-42-50-350-061 Assemble the Seal Carrier to the Support Cone

    1. Refer to Figure, Figure and Figure

      2. Freeze the seal carrier.

      1. Use CoMat 03-026 LIQUID NITROGEN put in a suitable container for liquid nitrogen.

        Use protective gloves.

      3. Install the seal carrier in the support cone.

      1. Make sure the carrier is correctly installed and radially located to the marks.

    12. SUBTASK 72-42-50-323-052 Drill Larger Rivet Holes in Outer Seal Carrier

    1. Refer to Figure and Figure

      2. Drill the larger rivet holes.

      1. Use a vertical drilling machine.

        Drill through the larger rivet holes in the support cone to the correct diameter as necessary.

      3. Remove sharp edges.

      1. Use standard workshop tools.

    13. SUBTASK 72-42-50-390-053-001 Safety the Outer Seal Carrier

    1. Refer to Figure

      2. Put the rivets in the rivet holes as necessary and cut to length.

      1. Use rivet solid, universal head, 48 off, 01-123 and/or rivet solid, universal head, 48 off, 01-124, as necessary.

        Use standard workshop tools.

        Cut rivets to dimension AL.

      3. Hot squeeze the rivets.

      1. Refer to SPM TASK 70-39-02-390-501.

        Use hot squeeze riveting electrodes with resisting welding machine.

        NOTE

        Use low voltage for minimum quantity of heat required to give the rivet the correct shape.

    14. SUBTASK 72-42-50-390-053-002 Safety the Outer Seal Carrier

    1. Refer to Figure

    2. Do Step.

    15. SUBTASK 72-42-50-220-069 Examine the Repair

    1. Refer to Figure

      2. Measure the dimensions.

      1. Use standard workshop tools.

    16. SUBTASK 72-42-50-230-062 Do a Crack Test

    1. Do Step.

    17. SUBTASK 72-42-50-350-062 Identify the Repair

      1. Make a mark VRS6201 adjacent to the part number.

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

        Use vibro-engraving equipment.

    18. 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

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    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

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the figure 1 to change repair details and dimensions. (16VC143)

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: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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Heat protection gloves
Tool Name:Heat protection gloves
Manufacturer Code:LOCAL
Tool Number:Hot squeeze riveting electrodes
Tool Name:Hot squeeze riveting electrodes
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Resistance welding machine
Tool Name:Resistance welding machine
Manufacturer Code:LOCAL
Tool Number:Special container for liquid nitrogen
Tool Name:Special container for liquid nitrogen
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vertical drilling machine
Tool Name:Vertical drilling machine
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment