TASK 72-41-30-040-001-B00 HPC Front Case And Vane Assembly - Disassemble The HP Compressor Upper And Lower Half Front Cases, Disassembly-001

DMC:V2500-A5-72-41-3000-00C-530A-B|Issue No:004.00|Issue Date:2021-08-01

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

V2500-A5

Common Information

TASK 72-41-30-040-001-B00 HPC Front Case And Vane Assembly - Disassemble The HP Compressor Upper And Lower Half Front Cases, Disassembly-001

General

Refer to TASK 72-41-00-040-001-B00 to disassemble the HP compressor assembly.

Fig/item numbers in parentheses in the procedure agree with those used in the EIPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the EIPC.

Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts. Let the parts soak before removal.

Discard all rubber seal rings and cotter pins removed in this procedure.

Remove and discard the lockwire before the part is disconnected.

Refer to the SPM TASK 70-09-00-400-501 for the procedure to make identification marks.

Refer to Figure for a sectional view of the HP compressor front case.

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Vibration peening equipmentLOCALVibration peening equipment
IAE 1R18264 Removal punch0AM53IAE 1R182641
IAE 1R18265 Removal punch0AM53IAE 1R182651
IAE 1R18266 Impact extractor0AM53IAE 1R182661
IAE 1R18289 Bushing extractor0AM53IAE 1R182891
IAE 1R18290 Removal extractor0AM53IAE 1R182901
IAE 1R18648 Puller extractor0AM53IAE 1R186481
IAE 1R18819 Bushing extractor0AM53IAE 1R188191
IAE 1R18820 Bushing extractor0AM53IAE 1R188201
IAE 1R18821 Bushing extractor0AM53IAE 1R188211
IAE 1R18822 Bushing extractor0AM53IAE 1R188221
IAE 1R18823 Bushing extractor0AM53IAE 1R188231
IAE 1R19559 Extractor inner clamp0AM53IAE 1R195591
IAE 1R19560 Impact extractor adapter0AM53IAE 1R195601
IAE 1R18270 Removal adapter0AM53IAE 1R18270

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-058 PENETRATING OILX222XCoMat 10-058

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-30-040-059 Remove the Stage 6 Stator Vanes

    1. Refer to Figure.

    2. Identify each stator vane with its position number as the vanes are removed. Use vibration peening equipment to identify the vanes. Refer to Figure for the position for identification marks.

      3. Remove the stop vane and stator vanes from the upper half HP compressor front case.

      1. Remove the stop vane at position 1 and the stator vanes at positions 2 to 21.

        NOTE

        The stop vane at position 22 is removed in Step.

      2. Remove the stator vanes at positions 23 to 42.

      4. Remove the stop vane and stator vanes from the lower half HP compressor front case.

      1. Remove the stop vane at position 43 and the stator vanes at positions 44 to 63.

      2. NOTE

        The stop vane at position 64 is removed in Step.

        Remove the stator vanes at positions 65 to 84.

    2. SUBTASK 72-41-30-040-060 Remove the Stage 5 Actuating Ring and the Stage 5 Stator Vanes (Pre SBE 72-0410, SBE 72-0410, Pre SBE 72-0385, SBE 72-0416 and SBE 72-0385, SBE 72-0416)

    1. SBE 72-0410: HP compressor variable inner shrouds - Introduction of revised one piece bushes

      SBE 72-0385, SBE 72-0416: Introduction of revised actuating rings with increased dowel locations.

      3. Remove the stage 5 upper actuating ring from the upper half HP compressor front case.

      1. Remove the 26 nuts which attach the stage 5 actuating levers to the stage 5 stator vanes at the positions 4 to 29.

      2. Pre SBE 72-0385, SBE 72-0416: Remove the stage 5 upper actuating ring and the actuating levers.

      3. SBE 72-0385, SBE 72-0416: Remove the stage 5 upper actuating ring and the actuating levers.

      4. Remove the 26 stage 5 actuating levers from the stage 5 upper actuating ring.

      5. Remove the two spacers from the spindles of the stage 5 stator vanes at the positions 4 to 29.

      6. Remove the six nuts, the levers and the 12 spacers from the stage 5 stator vanes at the positions 1 to 3 and 30 to 32.

      4. Remove the stage 5 lower actuating ring from the lower half HP compressor front case.

      1. Remove the 26 nuts which attach the stage 5 actuating levers to the stage 5 stator vanes at the positions 36 to 61.

      2. Pre SBE 72-0385, SBE 72-0416: Remove the stage 5 lower actuating ring and the actuating levers.

      3. SBE 72-0385, SBE 72-0416: Remove the stage 5 lower actuating ring and the actuating levers.

      4. Remove the 26 stage 5 actuating levers from the stage 5 lower actuating ring.

      5. Remove the two spacers from the spindles of the stage 5 stator vanes at the positions 36 to 61.

      6. Remove the six nuts, the levers and 12 spacers from the stage 5 stator vanes at the positions 33 to 35 and 62 to 64.

      5. Remove the stage 5 stator vanes from the upper half HP compressor front case.

        NOTE

        The bolts are a close tolerance fit and must not be turned during their removal.

      1. Remove the 16 nuts and bolts which attach the front and rear half shrouds to the stage 5 stator vanes inner pivot point.

      2. Pre SBE 72-0410: Remove the front and rear half shroud with the half bushes.

      3. SBE 72-0410: Remove the front and rear half shroud with the one piece bushes.

      4. Remove the 32 stage 5 stator vanes.

      5. Remove and discard the 32 0-ring seals from the spindles of the stage 5 stator vanes.

      6. Remove the stage 5 stator vanes from the lower half HP compressor front case.

      1. Remove the 32 stage 5 stator vanes from the lower half HP compressor front case as given in Step to Step.

      7. Remove the stage 5 centralizing pads.

      1. Remove the eight bolts which attach the four stage 5 centralizing pads to the stage 5 upper and lower actuating rings.

      2. Remove the four stage 5 centralizing pads and the adjusting washers.

      8. Remove the stage 5 control rod connector bracket from the stage 5 lower actuating ring.

      1. Remove the two bolts which attach the control rod connector bracket to the lower actuating ring.

      2. Remove the control rod connector bracket with the two sleeve dowels.

      3. Remove the two sleeve dowels from the control rod connector bracket.

    9. Remove the two bolts and dowels which attach the rigging pin bracket to the lower stage 5 actuating ring. Remove the rigging pin bracket.

      10. Pre SBE 72-0385, SBE 72-0416: Remove the stage 5 stator vane outer bushes.

        1. Use IAE 1R19560 Impact extractor adapter 1 off to remove the 64 stage 5 stator vane outer bushes.

        1. Install the pin into one of the stage 5 stator vane outer bushes to be removed.

        2. Install the two halves of the body on the pin and over the outer bush.

        3. Install the washer and adjuster B on the pin. Lightly tighten the adjuster B to hold the body in position.

        4. Install the IAE 1R19559 Extractor inner clamp 1 off on the body. Tighten the clamp.

        5. Tighten the adjuster B.

        6. Install the adjuster A on the pin.

        7. Install the IAE 1R18266 Impact extractor 1 off on the pin.

        8. Tighten the adjuster A to attach the IAE 1R18266 Impact extractor to the pin.

        9. Use the IAE 1R18266 Impact extractor to remove the bush.

        10. Remove the bush from the impact extractor adapter.

        11. Remove the remaining 63 outer bushes as given in step I.(1).(a) to I.(1).(j).

      11. SBE 72-0385, SBE 72-0416: Remove the stage 5 stator vane outer bushes.

        NOTE

        The long bosses are at positions 1, 32, 33 and 64.

        1. Use IAE 1R18823 Bushing extractor 1 off to remove the four outer bushes at the four long bosses.

        1. Install the pin into one of the bushes to be removed.

        2. Install the two split bushes on the bush to be removed.

        3. Install the nut X on the pin. Tighten the nut X to hold the extractor in the correct position.

        4. Install the nut W on the pin.

        5. Install IAE 1R18266 Impact extractor 1 off, on the pin.

        6. Tighten the nut W, installed in step J.(1).(d) to attach the extractor to the impact extractor.

        7. Use the impact extractor to remove the bush.

        8. Remove the bush from the bush extractor.

        9. Remove the remaining three long boss bushes as given in steps J.(1).(a) to J.(1).(h).

        2. Use IAE 1R18821 Bushing extractor 1 off to remove the remaining 60 outer bushes.

        1. Install the screw into one of the stage 5 stator vane outer bushes (short bosses) to be removed.

        2. Install the two halves of the body on the screw and over the outer bush.

        3. Install the nut Z on the screw. Lightly tighten the nut Z to hold the body in position.

        4. Install the hose clip on the body. Tighten the hose clip.

        5. Tighten the nut Z.

        6. Install the nut Y.

        7. Install IAE 1R18266 Impact extractor 1 off, on the screw.

        8. Tighten the nut Y to attach the impact extractor to the screw.

        9. Use the impact extractor to remove the bush.

        10. Remove the bush from the bush extractor.

        11. Remove the remaining 59 outer bushes as given in steps J.(2).(a) to J.(2).(j).

      12. Remove the 64 stage 5 stator vane inner bushes.

      1. Install IAE 1R18290 Removal extractor 1 off in to one of the inner bushes to be removed.

      2. Apply a load on the removal punch to remove the inner bush.

      3. Remove the remaining 63 inner bushes as given in steps K.(1) and K.(2).

    3. SUBTASK 72-41-30-040-061 Remove the Stage 4 Actuating Ring and the Stage 4 Stator Vanes (Pre SBE 72-0410, SBE 72-0410, Pre SBE 72-0385, SBE 72-0416 and SBE 72-0385, SBE 72-0416)

    1. SBE 72-0410: HP compressor variable inner shrouds - Introduction of revised one piece bushes

      SBE 72-0385, SBE 72-0416: Introduction of revised actuating rings with increased dowel locations.

      3. Remove the stage 4 upper actuating ring from the upper half HP compressor front case.

      1. Remove the 21 nuts which attach the stage 4 actuating levers to the stage 4 stator vanes at the positions 3 to 23.

      2. Pre SBE 72-0385, SBE 72-0416: Remove the stage 4 upper actuating ring and the actuating levers.

      3. SBE 72-0385, SBE 72-0416: Remove the stage 4 upper actuating ring and the actuating levers.

      4. Remove the 21 stage 4 actuating levers from the stage 4 upper actuating ring.

      5. Remove the two spacers from the spindles of the stage 4 stator vanes at the positions 3 to 23.

      6. Remove the four nuts, the levers and the eight spacers from the spindles of the stage 4 VSV at the positions 1, 2, 24 and 25.

      4. Remove the stage 4 lower actuating ring from the lower half HP compressor front case.

      1. Remove the 21 nuts which attach the stage 4 actuating levers to the stage 4 stator vanes at the positions 28 to 48.

      2. Pre SBE 72-0385, SBE 72-0416: Remove the stage 4 lower actuating ring and the actuating levers.

      3. SBE 72-0385, SBE 72-0416: Remove the stage 4 lower actuating ring and the actuating levers.

      4. Remove the 21 stage 4 actuating levers from the stage 4 lower actuating ring.

      5. Remove the two spacers from the spindles of the stage 4 stator vanes at the positions 28 to 48.

      6. Remove the four nuts, the levers and the eight spacers from the spindles of the stage 4 stator vanes at the positions 26, 27, 49 and 50.

      5. Remove the stage 4 stator vanes from the lower half HP compressor front case.

      1. Pre SBE 72-410: Remove the 12 bolts, 24 washers and the 12 nuts which attach the stage 4 half shroud, the half bushes and the stage 4 half seal ring to the stage 4 stator vanes at the inner pivot point.

      2. Remove the stage 4 half seal ring, the stage 4 half shroud and the half bushes.

      3. SBE 72-0410: Remove the front half shroud with the integral seal and rear half shroud and the one piece bushes.

      4. Remove the 25 stage 4 stator vanes.

      5. Remove and discard the 25 0-ring seals from the spindles of the stage 4 stator vanes removed in step D.(3). Remove the sealing washers from the stage 4 inner bush.

      6. Remove the stage 4 stator vanes from the lower half HP compressor front case.

      1. Remove the 25 stage 4 stator vanes from the lower half HP compressor front case as given in Step to Step.

      7. Remove the stage 4 centralizing pads.

      1. Remove the eight bolts which attach the four stage 4 centralizing pads to the stage 4 upper and lower actuating rings.

      2. Remove the four stage 5 centralizing pads and adjusting washers.

      8. Remove the stage 4 control rod connector bracket from the stage 4 lower actuating ring.

      1. Remove the two bolts which attach the control rod connector bracket to the lower actuating ring.

      2. Remove the control rod connector bracket with the two sleeve dowels.

      3. Remove the two sleeve dowels from the control rod connector bracket.

    9. Remove the two bolts and dowels which attach the rigging pin bracket to the lower stage 4 actuating ring. Remove the rigging pin bracket.

      10. Pre SBE 72-0385, SBE 72-0416: Remove the 50 stage 4 stator vane outer bushes.

        1. Use IAE 1R19560 Impact extractor adapter 1 off to remove the 50 stage 4 stator vane outer bushes.

        1. Install the pin into one of the stage 4 stator vane outer bushes to be removed.

        2. Install the two halves of the body on the pin and over the outer bush.

        3. Install the washer and adjuster B on the pin. Lightly tighten the adjuster B to hold the body in position.

        4. Install the IAE 1R19559 Extractor inner clamp 1 off on the body. Tighten the clamp.

        5. Tighten the adjuster B.

        6. Install the adjuster A on the pin.

        7. Install the IAE 1R18266 Impact extractor 1 off on the pin.

        8. Tighten the adjuster A to attach the IAE 1R18266 Impact extractor to the pin.

        9. Use the IAE 1R18266 Impact extractor to remove the bush.

        10. Remove the bush from the impact extractor adapter.

        11. Remove the remaining 49 outer bushes as given in step I.(1).(a) to I.(1).(j).

      11. SBE 72-0385, SBE 72-0416: Remove the 50 stage 4 stator vane outer bushes.

        1. Use IAE 1R18823 Bushing extractor 1 off to remove the 50 stage 4 stator vane outer bushes.

        1. Install the pin into one of the bushes to be removed.

        2. Install the two split bushes on the bush to be removed.

        3. Install the nut X on the pin. Tighten the nut X to hold the extractor in the correct position.

        4. Install the nut W on the pin.

        5. Install IAE 1R18266 Impact extractor 1 off on the pin.

        6. Tighten the nut W, installed in step J.(1).(d) to attach the extractor to the impact extractor.

        7. Use the impact extractor to remove the bush.

        8. Remove the bush from the bush extractor.

        9. Remove the remaining 49 stage 4 stator vane outer bushes as given in steps J.(1).(a) to J.(1).(h).

      12. Remove the 50 stage 4 stator vane inner bushes.

      1. Install IAE 1R18290 Removal extractor 1 off in to one of the inner bushes to be removed.

      2. Apply a load on the removal punch to remove the inner bush.

      3. Remove the remaining 49 inner bushes as given in steps K.(1) and K.(2).

    4. SUBTASK 72-41-30-040-062 Remove the Stage 3 Actuating Ring and the Stage 3 Stator Vanes,and 72-41-30-990-202-002 (Pre SBE 72-0410, SBE 72-0410, Pre SBE 72-0385or SBE 72-0416 and SBE 72-0385or SBE 72-0416)

    1. Refer to Figure.

    2. SBE 72-0410: HP compressor variable inner shrouds - Introduction of revised one piece bushes

      SBE 72-0385or SBE 72-0416: Introduction of revised actuating rings with increased dowel locations.

      3. Remove the stage 3 upper actuating ring from the upper half HP compressor front case.

      1. Remove the 12 nuts which attach the stage 3 actuating levers to the stage 3 stator vanes at the positions 3 to 14.

      2. Pre SBE 72-0385 or SBE 72-0416:Remove the stage 3 upper actuating ring and actuating levers.

      3. SBE 72-0385 or SBE 72-0416:Remove the stage 3 upper actuating ring and actuating levers.

      4. Remove the 12 stage 3 actuating levers from the stage 3 upper actuating ring.

      5. Remove the two spacers from the spindles of the stage 3 stator vanes at the positions 3 to 14.

      6. Remove the four nuts, the levers and the eight spacers from the spindles of the stage 3 stator vanes at the positions 1, 2, 15 and 16.

      4. Remove the stage 3 lower actuating ring from the lower half HP compressor front case.

      1. Remove the 12 nuts which attach the stage 3 actuating levers to the stage 3 stator vanes at the positions 19 to 30.

      2. Pre SBE 72-0385 or SBE 72-0416: Remove the stage 3 lower actuating ring and the actuating levers.

      3. SBE 72-0385 or SBE 72-0416: Remove the stage 3 lower actuating ring and the actuating levers.

      4. Remove the 12 stage 3 actuating levers from the stage 3 lower actuating ring.

      5. Remove the two spacers from the spindles of the stage 3 stator vanes at the positions 19 to 30.

      6. Remove the four nuts, the four levers and the eight spacers from the spindles of the stage 3 stator vanes at the positions 17, 18, 31 and 32.

      5. Remove the stage 3 stator vanes from the upper half HP compressor front case.

      1. Pre SBE 72-0410: Remove the eight bolts, the 16 washers and the eight nuts which attach the stage 3 front and rear half shroud, the half bushes and the stage 3 front half seal ring to the stage 3 stator vanes at the inner pivot points.

      2. Remove the stage 3 front half seal ring, the stage 3 front and rear half shroud and the half bushes.

      3. SBE 72-0410: Remove the front half shroud with the integral seal and rear half shroud and the one piece bushes.

      4. Remove the 16 stage 3 stator vanes.

      5. Remove and discard the 0-ring seals from the spindles of the stage 3 stator vanes. Remove the sealing washers from the stage 3 inner bushes.

      6. Remove the stage 3 stator vanes from the lower half HP compressor front case.

      1. Remove the 16 stage 3 stator vanes from the lower half HP compressor front case as given in Step to Step.

      7. Remove the stage 3 centralizing pads.

      1. Remove the eight bolts which attach the four stage 3 centralizing pads to the stage 3 upper and lower actuating rings.

      2. Remove the four stage 3 centralizing pads and the adjusting washers.

    8. Remove the two bolts and dowels which attach the rigging pin bracket to the upper stage 3 actuating ring. Remove the rigging pin bracket.

      9. Remove the stage 3 stator vane outer bushes.

        NOTE

        The short bosses are at positions 8 and 9.

        1. Use IAE 1R18270 Removal adapter 1 off to remove the two outer bushes at the two short bosses. Refer to Figure.

        1. Install the screw in to one of the stage 3 stator vane outer bushes (short bosses) to be removed.

        2. Install the two halves of the body on the screw and over the outer bush.

        3. Install the nut Z on the screw. Lightly tighten the nut Z to hold the body in position.

        4. Install the hose clip on the body. Tighten the hose clip on the body.

        5. Tighten the nut Z.

        6. Install the nut Y.

        7. Install IAE 1R18266 Impact extractor 1 off on the screw.

        8. Tighten the nut Y on the impact extractor to attach the impact extractor to the screw.

        9. Use the impact extractor to remove the bush.

        10. Remove the bush from the extractor adapter.

        11. Remove the remaining stage 3 stator vane outer bush (short boss) as given in steps (a) to (j).

        2. Use IAE 1R18822 Bushing extractor 1 off to remove the remaining 30 outer bushes. Refer to Figure.

        1. Install the pin into one of the bushes removed.

        2. Install the two split bushes on the bush to be removed.

        3. Install the nut X on the pin. Tighten the nut X to hold the extractor in the correct position.

        4. Install the nut W on the pin.

        5. Install IAE 1R18266 Impact extractor 1 off on the pin.

        6. Tighten the nut W, installed in step (d) to attach the extractor to the impact extractor.

        7. Use the impact extractor to remove the bush.

        8. Remove the bush from the bush extractor.

        9. Remove the remaining 29 stage 3 stator vane outer bushes as given in steps (a) to (h).

      10. Remove the 32 stage 3 stator vane inner bushes. Refer to Figure.

      1. Install IAE 1R18265 Removal punch 1 off in to one of the inner bushes to be removed.

      2. Apply a load on the extraction punch to remove the inner bush.

      3. Remove the remaining 31 inner bushes as given in Step and Step.

    5. SUBTASK 72-41-30-040-063 Remove the Inlet Guide Vane Actuating Ring and the Inlet Guide Vanes (Pre SBE 72-0486, SBE 72-0486, Pre SBE 72-0410, SBE 72-0410, Pre SBE 72-0385or SBE 72-0416 and SBE 72-0385or SBE 72-0416)

    1. SBE 72-0486: HP compressor variable vanes - Introduction of a revised VIGV with an optimised spindle.

      SBE 72-0410: HP compressor variable inner shrouds - Introduction of revised one piece bushes.

      SBE 72-0385or SBE 72-0416: Introduction of revised actuating rings with increased dowel locations.

      3. Remove the inlet guide vane actuating ring from the upper half HP compressor front case.

      1. Remove the 16 nuts which attach the inlet guide vane actuating levers to the inlet guide vanes at the positions 3 to 18.

      2. Remove the 16 bolts which attach the inlet guide vane actuating levers to the inlet guide vanes at the positions 3 to 18.

      3. Remove the inlet guide vane actuating ring and the actuating levers.

      4. Remove the inlet guide vane actuating ring and the actuating levers.

      5. Remove the 16 inlet guide vane actuating levers from the inlet guide vane actuating ring.

      6. Remove the two spacers from the spindles of the inlet guide vanes at the positions 3 to 18.

      7. Remove the four nuts, the actuating levers and the eight spacers from the spindles of the inlet guide vanes at the positions 1, 2, 19 and 20.

      8. Remove the four bolts, the actuating levers and the eight spacers from the spindles of the inlet guide vanes at the positions 1, 2, 19 and 20.

      4. Remove the inlet guide vane actuating ring from the lower half HP compressor front case.

      1. Remove the 16 nuts which attach the inlet guide vane actuating levers to the inlet guide vanes at the positions 23 to 38.

      2. Remove the 16 bolts which attach the inlet guide vane actuating levers to the inlet guide vanes at the positions 23 to 38.

      3. Remove the inlet guide vane actuating ring and the actuating levers.

      4. Remove the inlet guide vane actuating ring and the actuating levers.

      5. Remove the 16 inlet guide vane actuating levers from the inlet guide vane actuating ring.

      6. Remove the two spacers from the spindles of the inlet guide vanes at the positions 23 to 38.

      7. Remove the four nuts, the actuating levers and the eight spacers from the spindles of the inlet guide vanes at the positions 21, 22, 39 and 40.

      8. Remove the four bolts, the actuating levers and the eight spacers from the spindles of the inlet guide vanes at the positions 21, 22, 39 and 40.

      5. Remove the inlet guide vanes from the upper half HP compressor front case.

      1. Remove the three nuts and the three bolts which attach the inlet guide vane half shroud to the split ring assembly.

      2. Remove the inlet guide vane half shroud with the 20 half bushes and the split ring assembly.

      3. Remove the inlet guide vane half shroud with the one piece bushes and the split ring assembly.

      4. Remove the 20 inlet guide vanes. Remove the sealing washers from the VIGV inner bushes.

      6. Remove the inlet guide vanes from the lower half HP compressor front case.

      1. Remove the inlet guide vanes from the lower half HP compressor front case as given in steps D.(1) to (4).

      7. Remove the actuating housing assemblies from the actuating ring.

      1. Remove the eight bolts and washers which attach the four actuating housing assemblies to the actuating ring.

      2. Remove the four actuating housing assemblies and the adjusting washers.

    8. Remove the two bolts, nuts and spacers which attach the VIGV rigging pin bracket to the lower VIGV actuating ring. Remove the rigging pin bracket.

      9. Remove the inlet guide vane spindle outer bushes.

        1. Use IAE 1R18819 Bushing extractor 1 off to remove the two short spindle bushes. These are at the positions 10 and 11 on the upper half HP compressor front case.

        1. Install the screw in to one of the variable inlet guide vane outer bushes (short spindle) to be removed.

        2. Install the two halves of the body on the screw and over the outer bush.

        3. Install the nut Z on the screw. Lightly tighten the nut Z to hold the body in position.

        4. Install the hose clip on the body. Tighten the hose clip on the body.

        5. Tighten the nut Z.

        6. Install the nut Y.

        7. Install IAE 1R18266 Impact extractor 1 off on the screw.

        8. Tighten the nut Y on the impact extractor to attach the impact extractor to the screw.

        9. Use the impact extractor to remove the bush.

        10. Remove the bush from the bush extractor.

        11. Remove the remaining variable inlet guide vane outer bush (short spindle) as given in steps (a) to (j).

        2. Use IAE 1R18289 Bushing extractor 1 off to remove the remaining 38 spindle bushes.

        1. Install the pin into one of the bushes to be removed.

        2. Install the two split bushes on the bush to be removed.

        3. Install the nut X on the pin. Tighten the nut X to hold the extractor in the correct position.

        4. Install the nut W on the pin.

        5. Install IAE 1R18266 Impact extractor 1 off on the pin.

        6. Tighten the nut W, installed in step (d) to attach the extractor to the impact extractor.

        7. Use the impact extractor to remove the bush.

        8. Remove the bush from the bush extractor.

        9. Remove the remaining 37 variable inlet guide vane outer bushes as given in steps (a) to (h).

      10. Remove the 40 inlet guide vane spindle inner bushes.

      1. Install IAE 1R18264 Removal punch 1 off in to one of the spindle bushes to be removed.

      2. Apply a load on the removal punch to remove the spindle bush.

      3. Remove the remaining 39 spindle bushes as given in steps H. (1) and (2).

    6. SUBTASK 72-41-30-040-064 Remove the Stages 4 to 6 Rotor Path Rings (Pre SBE 72-0345 and SBE 72-0345)

    1. Refer to Figure.

    2. SBE 72-0345: Introduction of revised stage 4 and 5 rotor path seal ring segments.

      3. Remove the stage 6 rotor path ring with liners from the upper half HP compressor front case.

      1. Remove and discard the stage 6 front and rear liners.

      2. Remove the segment of the stage 6 rotor path ring at the opposite flange to the anti-rotation stop.

      3. Remove the stage 6 stop vane installed at the center position. Use vibration peening equipment to identify the stop vane with its position number. Refer to Figure.

      4. Remove the sealing strip from between the segments of the stage 6 rotor path rings.

      5. Remove the remaining segment of the stage 6 rotor path ring.

    4. Remove the stage 6 rotor path ring with liners from the lower half HP compressor front case as given in Step to Step.

      5. Remove the stage 5 rotor path ring from the upper half HP compressor front case.

      1. Pre and Post SBE 72-0345: Remove the segment of the stage 5 rotor path ring at the opposite flange to the anti-rotation pin.

      2. Remove the sealing strip from between the segments of the stage 5 rotor path ring.

      3. Remove the remaining segment of the stage 5 rotor path ring.

    6. Remove the stage 5 rotor path ring from the lower half HP compressor front case as given in Step to Step.

      7. Pre and Post SBE 72-0345: Remove the stage 4 rotor path ring from the upper half HP compressor front case.

      1. Remove the segment of the stage 4 rotor path ring at the opposite flange to the anti-rotation pin.

      2. Remove the sealing strip from between the segments of the stage 4 rotor path ring.

      3. Remove the remaining segment of the stage 4 rotor path ring.

    8. Remove the stage 4 rotor path ring from the lower half HP compressor front case as given in Step to Step.

    7. SUBTASK 72-41-30-040-065 Remove the Stage 3 and 6 Borescope Blanks (Pre SBE 72-0265, SBE 72-0265, Pre SBE 72-0317and Pre SBE 72-0337 and SBE 72-0317and SBE 72-0337)

    1. Refer to Figure and Figure.

    2. SBE 72-0265: Introduction of revised stage 5 and 6 borescope blanking plug with single bolt.

      SBE 72-0317: Introduction of revised stage 5 and 6 borescope blanking plug with additional bolt.

      SBE 72-0337: Introduction of revised stage 5 and 6 borescope blanking plug with increased stem diameter.

    3. Remove the two bolts which attach the stage 3 stator borescope blank to the lower half HP compressor front case.

    4. Use IAE 1R18648 Puller extractor 1 off to remove the stage 3 stator borescope blank.

    5. Remove the two bolts which attach the stage 3 rotor borescope blank to the lower half HP compressor front case.

    6. Use IAE 1R18648 Puller extractor 1 off to remove the stage 3 rotor borescope blank.

    7. Pre SBE 72-0265: Remove the two bolts which attach the stage 6 stator borescope blank to the lower half HP compressor front case.

    8. SBE 72-0265: Remove the bolt which attaches the stage 6 stator borescope blank to the lower half HP compressor front case.

    9. SBE 72-0317 and 72-0337: Remove the two bolts which attach the stage 6 stator borescope blank to the lower half HP compressor front case.

    10. Use 1R18648 puller extractor 1 off to remove the stage 6 stator borescope blank.

    8. SUBTASK 72-41-30-040-066 Remove the Support Tool Blanks and the Blanking Plates

    1. Refer to Figure and Figure.

    2. Remove the two bolts which attach the support tool blank and the bracket to the upper half HP compressor front case. Remove the support tool blank and the bracket.

    3. Remove the four bolts which attach the two support tool blanks and the bracket to the lower half HP compressor front case. Remove the two support tool blanks and the bracket.

    4. Remove the four bolts which attach the two blanking plates to the upper and lower half HP compressor front case. Remove the two blanking plates.

    9. Figure: View through the HP compressor front case

    View through the HP compressor front case

    Figure: Remove the stage 6 stator vanes and the stage 6 front and rear liners

    Remove the stage 6 stator vanes and the stage 6 front and rear liners

    Figure: Remove the Stage 6 Stator Vanes and the Stage 6 Front and Rear Liners

    Sheet 2

    Legend
    Remove the Stage 6 Stator Vanes and the Stage 6 Front and Rear Liners

    Sheet 2

    Close

    Figure: Remove the stage 6 stator vanes and the stage 6 front and rear liners

    Remove the stage 6 stator vanes and the stage 6 front and rear liners

    Figure: Remove the control rod connector brackets

    Remove the control rod connector brackets

    Figure: SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 1

    Legend
    SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 1

    Close

    Figure: SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 2

    Legend
    SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 2

    Close

    Figure: Pre SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 3

    Legend
    Pre SB 72-0385 and SB 72-0416: Tools to Remove the Stator Vane Spindle Outer Bushes

    Sheet 3

    Close

    Figure: Remove the stage 5 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Legend
    Remove the stage 5 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Close

    Figure: Remove the Stage 5 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 2

    Legend
    Remove the Stage 5 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 2

    Close

    Figure: Remove the stage 5 stator vanes, the actuating ring and the centralizing pads

    Remove the stage 5 stator vanes, the actuating ring and the centralizing pads

    Figure: Remove the inner bushes

    Remove the inner bushes

    Figure: Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Legend
    Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Close

    Figure: Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 2

    Legend
    Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 2

    Close

    Figure: Remove the Stage 4 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Legend
    Remove the Stage 4 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Close

    Figure: Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 4

    Legend
    Remove the stage 4 stator vanes, the actuating ring and the centralizing pads

    Sheet 4

    Close

    Figure: Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Legend
    Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 1

    Close

    Figure: Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 2

    Legend
    Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 2

    Close

    Figure: Remove the Stage 3 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Legend
    Remove the Stage 3 Stator Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Close

    Figure: Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 4

    Legend
    Remove the stage 3 stator vanes, the actuating ring and the centralizing pads

    Sheet 4

    Close

    Figure: Pre SBE 72-0486: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 1

    Legend
    Pre SBE 72-0486: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 1

    Close

    Figure: SBE 72-0486: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 2

    Legend
    SBE 72-0486: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 2

    Close

    Figure: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Legend
    Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 3

    Close

    Figure: Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 4

    Legend
    Remove the Variable Inlet Guide Vanes, the Actuating Ring and the Centralizing Pads

    Sheet 4

    Close

    Figure: Remove the stage 4 to 6 rotor path rings

    Remove the stage 4 to 6 rotor path rings

    Figure: Remove the stage 3 and 6 borescope blanks and the support tool blanks

    Remove the stage 3 and 6 borescope blanks and the support tool blanks

    Figure: Remove the stage 3 and 6 borescope blanks and the support tool blanks

    Remove the stage 3 and 6 borescope blanks and the support tool blanks

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Updated step reference links in task. (CAS-110225-M2K2W8)

Change Type:

Corrected missing data. (CAS-109995-F8D6S7)

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:X222X
Enterprise Name:N/A – REFER TO APPLICABLE COMAT SUFFIX
Manufacturer Code:X222X
Supply Number:CoMat 10-058
Type:sp01
Supply Short Name:CoMat 10-058 PENETRATING OIL
Supply Name:CoMat 10-058 PENETRATING OIL
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:0AM53
Tool Number:IAE 1R18264
Tool Name:IAE 1R18264 Removal punch
Manufacturer Code:0AM53
Tool Number:IAE 1R18265
Tool Name:IAE 1R18265 Removal punch
Manufacturer Code:0AM53
Tool Number:IAE 1R18266
Tool Name:IAE 1R18266 Impact extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18270
Tool Name:IAE 1R18270 Removal adapter
Manufacturer Code:0AM53
Tool Number:IAE 1R18289
Tool Name:IAE 1R18289 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18290
Tool Name:IAE 1R18290 Removal extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18648
Tool Name:IAE 1R18648 Puller extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18819
Tool Name:IAE 1R18819 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18820
Tool Name:IAE 1R18820 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18821
Tool Name:IAE 1R18821 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18822
Tool Name:IAE 1R18822 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R18823
Tool Name:IAE 1R18823 Bushing extractor
Manufacturer Code:0AM53
Tool Number:IAE 1R19559
Tool Name:IAE 1R19559 Extractor inner clamp
Manufacturer Code:0AM53
Tool Number:IAE 1R19560
Tool Name:IAE 1R19560 Impact extractor adapter
Manufacturer Code:LOCAL
Tool Number:Vibration peening equipment
Tool Name:Vibration peening equipment