TASK 72-41-11-840-003 HPC Stage 3 - 8 Drum Disk - Machine The Grooves For The Revised L-Shaped Wire Seals, Rework-003 - SBE72-0304

DMC:V2500-A0-72-41-1101-02A-933A-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 72-41-11-840-003 HPC Stage 3 - 8 Drum Disk - Machine The Grooves For The Revised L-Shaped Wire Seals, Rework-003 - SBE72-0304

Effectivity

FIG/ITEM

PART NO.

01-200

6A4900

01-200

6A5467

01-200

6A5592

01-200

6A5594

01-200

6A5659

01-200

6A6473

General

The practices and processes referred to in the procedure by TASK/SUBTASK number are in the SPM.

Refer to the indicated Service Bulletin for specific application requirements.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Centre latheLOCALCentre lathe
Dial test indicatorsLOCALDial test indicators
Standard turning toolLOCALStandard turning tool
Standard workshop toolsLOCALStandard workshop tools
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3R18735 Turning arbor0AM53IAE 3R18735
IAE 3R19079 Front groove tool0AM53IAE 3R19079
IAE 3R19314 Rear groove tool0AM53IAE 3R19314
IAE 3R19361 Front groovetool0AM53IAE 3R19361

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

CAUTION

TITANIUM COMPONENT - USE SILICON CARBIDE TYPE ABRASIVE WHEELS, STONES AND PAPERS TO DRESS. BLEND AND POLISH THIS COMPONENT.
TITANIUM COMPONENT - DO NOT USE FORCE WITH MECHANICAL CUTTERS OR THE MATERIAL WILL BECOME TOO HOT.
TITANIUM COMPONENT - IF THE MATERIAL SHOWS A CHANGE IN COLOR TO DARKER THAN A LIGHT STRAW COLOR. THE COMPONENTS IS TO BE REJECTED.

Procedure

    1. SUBTASK 72-41-11-110-080 Clean the Surfaces

      1. Clean the disk assembly.

      1. Refer to the SPM TASK 70-11-34-300-503.

    2. SUBTASK 72-41-11-320-055 Machine the Sealing Wire Location Slots

    1. Refer to Figure.

      2. Set up the disk assembly for machining.

      1. Use IAE 3R18735 Turning arbor 1 off with centre lathe.

      2. Use dial test indicator to ensure disk assembly runs true.

      3. Make sure datum A, datum B and datum C run true.

      3. Machine the new profile at the front of the Stage 7 rear sealing wire slot and the rear of the Stage 8 front sealing wire slot.

      1. Use standard turning tool.

      4. CAUTION

        YOU MUST BE CAREFUL WHEN YOU MACHINE THE STAGE 7 REAR AND THE STAGE 8 FRONT SEALING WIRE LOCATION SLOTS.

        Machine the sealing wire location slots at the rear of the Stage 7 and the front of the Stage 8 blade root location.

      1. Rough machine the front face of the Stage 7 rear sealing wire slot.

        1. Use a turning speed of 114.8 ft (35m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

      5. NOTE

        Do not machine to full depth of the slots. An allowance of 0.005 in. to 0.010 in. (0.127 mm to 0.254 mm) for final machining is necessary.

        Do the final machine of the front face of the Stage 7 rear sealing wire slot.

        1. Use a turning speed of 114.8 ft (35m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

        2. Finish machine to the dimensions given.

      6. Rough machine the rear face and 60 degree angle of the Stage 7 rear sealing wire slot.

        1. Use a turning speed of 114.8 ft (35m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

      7. NOTE

        Do not machine to full depth of the slots. An allowance of 0.005 in. to 0.010 in. (0.127 mm to 0.254 mm) for final machining is necessary.

        Do the final machine of the rear face of the Stage 7 rear sealing wire slot.

        1. Use a turning speed of 114.8 ft (35 m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

        2. Finish machine to the dimensions given.

      8. Rough machine the Stage 8 front sealing wire slot.

        1. Use a turning speed of 114.8 ft (35 m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

      9. NOTE

        Do not machine to full dimensions of the slots. An allowance of 0.005 in. to 0.010 in. (0.127 mm to 0.254 mm) for final machining is necessary.

        Do the final machine of the Stage 8 front sealing wire slot.

        1. Use a turning speed of 114.8 ft (35 m.) per minute, with a feed of 0.002 in. (0.05 mm) per revolution.

        2. Finish machine to the dimensions given.

      10. Remove all sharp edges.

      1. Use standard workshop tools.

    11. Remove the disk assembly from machine tool.

    3. SUBTASK 72-41-11-220-226 Measure the Dimensions of the Machined Slots

    1. Refer to Figure.

      2. Measure the dimensions of the machined slots.

        1. Make sure the dimensions are within the specified limits.

        1. Make sure that the slots were not damaged during machining.

        2. Use standard inspection equipment.

    4. SUBTASK 72-41-11-110-081 Clean the Surfaces

      1. CAUTION

        MAKE SURE THAT YOU PROTECT THE RUB-STRIP MATERIAL BEFORE YOU DO WET PROCESSING OPERATIONS ON THE WIRE LOCATION SLOTS. IF THE RUB-STRIP HAS ANY CONTAMINATION, THEN YOU MUST DO REPAIR VRS6007 TASK 72-41-11-300-002 (REPAIR-002) AND REPLACE THE STAGE 6 AND 7 RUB-STRIP LININGS.

        Chemically clean the machined surfaces in preparation for crack test.

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

      2. Chemically clean and swab etch machined surfaces.

      1. Use chemical cleaning equipment.

      2. Refer to the SPM TASK 70-11-08-300-503, SUBTASK 70-11-08-300-001, and SUBTASK 70-11-08-300-002.

    5. SUBTASK 72-41-11-230-086 Do a Crack Test

      1. Do a penetrant crack test.

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

      2. Reject if cracked.

    6. SUBTASK 72-41-11-110-081 Clean the Disk Assembly

      1. Clean the machined surfaces to remove the fluorescent penetrant.

        1. Use standard chemical cleaning equipment.

        1. Refer to the SPM TASK 70-11-26-300-002.

      2. Clean the disk assembly.

      1. Use the overhaul process facility.

      2. Refer to the EM TASK 72-41-11-100-001-B00, SUBTASK 72-41-11-110-057

    7. SUBTASK 72-41-11-850-051 Identify the Reworked Part with the New Part Number

      1. Replace the part number with the new part number.

      1. Use vibro-engraving equipment.

      2. Refer to the SPM TASK 70-09-00-400-501.

      3. NUMBER BEFORE

        NEW NUMBER

        6A4900

        6A7383

        6A5467

        6A7384

        6A5592

        6A7380

        6A5594

        6A7379

        6A5659

        6A7382

        6A6473

        6A7385

    8. SUBTASK 72-41-11-840-051 Make a Record of Accomplishment for SB 72-0304

    1. Make a record of accomplishment for SBE 72-0304 in the relevant documents.

    9. SUBTASK 72-41-11-440-051 Assemble the Stage 3 to 8 HP Compressor Disk Assembly

    1. Refer to the SPM TASK 72-41-10-440-000 (72-41-10 ASSEMBLY-000) for information for the assembly of the HP compressor rotor.

    10. Figure: HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 1

    Legend
    HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 1

    Close

    Figure: HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 2

    Legend
    HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 2

    Close

    Figure: HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 3

    Legend
    HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 3

    Close

    Figure: HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 4

    Legend
    HP Compressor Stage 3 to 8 Disk Assembly Locations and Dimensional Information

    Sheet 4

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Centre lathe
Tool Name:Centre lathe
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3R18735
Tool Name:IAE 3R18735 Turning arbor
Manufacturer Code:0AM53
Tool Number:IAE 3R19079
Tool Name:IAE 3R19079 Front groove tool
Manufacturer Code:0AM53
Tool Number:IAE 3R19314
Tool Name:IAE 3R19314 Rear groove tool
Manufacturer Code:0AM53
Tool Number:IAE 3R19361
Tool Name:IAE 3R19361 Front groovetool
Manufacturer Code:LOCAL
Tool Number:Standard turning tool
Tool Name:Standard turning tool
Manufacturer Code:LOCAL
Tool Number:Standard workshop tools
Tool Name:Standard workshop tools
Link not Found