TASK 72-42-50-300-007 HPC Rear Static Seal - Replace The Balance Tube(s), Repair-007 (VRS6639)

DMC:V2500-A0-72-42-5001-01A-649A-C|Issue No:002.00|Issue Date:2019-08-01

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 72-42-50-300-007 HPC Rear Static Seal - Replace The Balance Tube(s), Repair-007 (VRS6639)

Effectivity

FIG/ITEM

PART NO.

01-100

6A3306

Assembly A

01-100

6A3932

Assembly A

01-100

6A4806

Assembly A

01-100

6A4447

Assembly B

01-100

6B1412

Assembly C

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Rear Static Seal

Asssembly A

QAL or QAW

Nickel alloy

HP Compressor Rear Static Seal

Asssembly B

QZZ or QAW

Nickel alloy

HP Compressor Rear Static Seal Asssembly C

QMR

Nickel alloy

Balance Tube

QCS

Nickel alloy

Rivets

QBE

Nickel alloy

General

This repair must only be done when instructed to do so as given in TASK 72-42-50 Inspection/Check.

The practices and processes referred to in the procedures by the TASK/SUBTASK numbers are used in SPM.

NOTE

Equivalent materials or equipment can be used.

NOTE

More equipment and materials necessary to do this Repair are given in SPM task's below:
TASK 70-09-00-400-501
TASK 70-09-01-400-501
TASK 70-11-01-300-503
TASK 70-23-05-230-501
TASK 70-39-03-390-501

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

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

Support Equipment

NONE

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
RIVET - SOLID, COUNTERSUNK HEADU1653AS1668924 A/R
RIVET - SOLID, COUNTERSUNK HEADU1653AS1673024 A/R

(oversize)

Balance tube774456A15766 A/R
RIVET - SOLID, COUNTERSUNK HEADU1653AS166898 A/R
RIVET - SOLID, COUNTERSUNK HEADU1653AS167308 A/R

(oversize)

Balance tube774456A15762 A/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-50-350-075-A00 Disassemble the Balance Tube(s) from the HP Compressor Rear Static Seal Assembly, Assembly A

      CAUTION

      DO NOT DAMAGE THE REAR STATIC SEAL ASSEMBLY.

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

    2. Drill out the rivets.

    3. Discard the balance tube(s).

    2. SUBTASK 72-42-50-350-075-B00 Disassemble the Balance Tube(s) from the HP Compressor Rear Static Seal Assembly, Assembly B

      CAUTION

      DO NOT DAMAGE THE REAR STATIC SEAL ASSEMBLY.

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

    2. Drill out the rivets.

    3. Discard the balance tube(s).

    3. SUBTASK 72-42-50-350-075-C00 Disassemble the Balance Tube(s) from the HP Compressor Rear Static Seal Assembly, Assembly C

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

    2. Drill out the rivets.

    3. Discard the balance tube(s).

    4. SUBTASK 72-42-50-110-058 Clean the HP Compressor Rear Static Seal Assembly

      1. Chemically clean the rear static seal assembly.

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

    5. SUBTASK 72-42-50-220-082-A00 Examine the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly A

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

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

      3. Identify any damaged holes.

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

    4. If the rivet holes are within the limits given go to Step.

    5. If you find that the rivet holes are too large go to Step.

    6. SUBTASK 72-42-50-220-082-B00 Examine the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly B

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

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

      3. Identify any damaged holes.

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

    4. If the rivet holes are within the limits given go to Step.

    5. If you find that the rivet holes are too large go to Step.

    7. SUBTASK 72-42-50-220-082-C00 Examine the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly C

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

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

      3. Identify any damaged holes.

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

    4. If the rivet holes are within the limits given go to Step.

    5. If you find that the rivet holes are too large go to Step.

    8. SUBTASK 72-42-50-323-055-A00 Drill the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly A

      CAUTION

      YOU MUST ONLY DO THIS SUBTASK IF THE RIVET HOLES ARE TOO LARGE, REFER TO Step.

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

      2. Temporarily install the balance tube(s) on to the rear static seal assembly.

      1. Use 6A1576 01-180, 6 off as required, with locally made location clamp.

    3. Drill the balance tube(s) and damaged rivet holes in the rear static seal assembly for larger rivets.

    4. Remove the balance tube(s) from the rear static seal assembly.

    5. Remove the burrs.

    9. SUBTASK 72-42-50-323-055-B00 Drill the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly B

      CAUTION

      YOU MUST ONLY DO THIS SUBTASK IF THE RIVET HOLES ARE TOO LARGE, REFER TO Step.

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

      2. Temporarily install the balance tube(s) on to the rear static seal assembly.

      1. Use 6A1576 01-180, 2 off as required, with locally made location clamp.

    3. Drill the balance tube(s) and damaged rivet holes in the rear static seal assembly for larger rivets.

    4. Remove the balance tube(s) from the rear static seal assembly.

    5. Remove the burrs.

    10. SUBTASK 72-42-50-323-055-C00 Drill the Rivet Hole(s) on the HP Compressor Rear Static Seal Assembly, Assembly C

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

      2. Temporarily install the balance tube(s) on to the rear static seal assembly.

      1. Use 6A1576 01-180, 2 off as required, with locally made location clamp.

    3. Drill the balance tube(s) and damaged rivet holes in the rear static seal assembly for larger rivets.

    4. Remove the balance tube(s) from the rear static seal assembly.

    5. Remove the burrs.

    11. SUBTASK 72-42-50-220-083-A00 Examine the HP Compressor Rear Static Seal Assembly and Balance Tube(s), Assembly A

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

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

    12. SUBTASK 72-42-50-220-083-B00 Examine the HP Compressor Rear Static Seal Assembly and Balance Tube(s), Assembly B

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

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

    13. SUBTASK 72-42-50-220-083-C00 Examine the HP Compressor Rear Static Seal Assembly and Balance Tube(s), Assembly C

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

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

    14. SUBTASK 72-42-50-230-071 Do a Crack Test

      1. Do a local penetrant crack test of the drilled holes.

    15. SUBTASK 72-42-50-390-055-A00 Assemble the Balance Tube(s) to the HP Compressor Rear Static Seal Assembly, Assembly A

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

      2. Assemble the HP compressor rear static seal assembly, balance tube(s) and rivets.

      1. Use AS16689 RIVET - SOLID, COUNTERSUNK HEAD 01-126, 24 off and/or AS16730 RIVET - SOLID, COUNTERSUNK HEAD 01-127, 24 off, as required and 6A1576 01-180, 6 off, as required.

      3. Cold squeeze the rivets.

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

    16. SUBTASK 72-42-50-390-055-B00 Assemble the Balance Tube(s) to the HP Compressor Rear Static Seal Assembly, Assembly B

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

      2. Assemble the HP Compressor rear static seal assembly, balance tube(s) and rivets.

      1. Use AS16689 RIVET - SOLID, COUNTERSUNK HEAD 01-126, 8 off and/or AS16730 RIVET - SOLID, COUNTERSUNK HEAD 01-127, 8 off as required, and 6A1576 01-180, 2 off as required.

      3. Cold squeeze the rivets.

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

    17. SUBTASK 72-42-50-390-055-C00 Assemble the Balance Tube(s) to the HP Compressor Rear Static Seal Assembly, Assembly C

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

      2. Assemble the HP Compressor rear static seal assembly, balance tube(s) and rivets.

      1. Use AS16689 RIVET - SOLID, COUNTERSUNK HEAD 01-126, 8 off and/or AS16730 RIVET - SOLID, COUNTERSUNK HEAD 01-127, 8 off as required, and 6A1576 01-180, 2 off as required.

      3. Cold squeeze the rivets.

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

    18. SUBTASK 72-42-50-230-072 Do a Crack Test

      1. Do a penetrant crack test on the rivets.

      1. Refer to SPM TASK 70-23-05-230-501. Cracks are not permitted.

    19. SUBTASK 72-42-50-220-084-A00 Examine the HP Compressor Rear Static Seal Assembly, Assembly A

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

      2. Visually examine and measure the dimensions of the assembly.

      1. Refer to SPM TASK 70-39-03-390-501, SUBTASK 70-39-03-390-005.

    20. SUBTASK 72-42-50-220-084-B00 Examine the HP Compressor Rear Static Seal Assembly, Assembly B

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

      2. Visually examine and measure the dimensions of the assembly.

      1. Refer to SPM TASK 70-39-03-390-501, SUBTASK 70-39-03-390-005.

    21. SUBTASK 72-42-50-220-084-C00 Examine the HP Compressor Rear Static Seal Assembly, Assembly C

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

      2. Visually examine and measure the dimensions of the assembly.

      1. Refer to SPM TASK 70-39-03-390-501, SUBTASK 70-39-03-390-005.

    22. SUBTASK 72-42-50-350-076 Identify the Repair

      1. Vibro peen VRS6639 adjacent to the assembly number.

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

    23. 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 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 A, Assembly B, and Assembly C

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

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

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

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

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

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

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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure to update repair references and figures. (18VG395)

Manufacturer Code:77445
Enterprise Name:PRATT AND WHITNEY
BU Name:PRATT & WHITNEY
Street:400 MAIN STREET
City:EAST HARTFORD
Country:USA
Phone Number:8605657700
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:U1653
Enterprise Name:Society Of British Aerospace Companies, LTD.
Link not Found
Part Number:AS16689
Part Name:RIVET - SOLID, COUNTERSUNK HEAD
Manufacturer Code:U1653
Part Number:AS16730
Part Name:RIVET - SOLID, COUNTERSUNK HEAD
Manufacturer Code:U1653
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
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL