TASK 72-41-30-440-008-C00 HPC Front Case And Vane Assembly - Install The Variable Inlet Guide Vane And The Stage 3 To 5 Connectors, Assembly-008 -SBE 72-0564 And SBE 72-0571 (SelectOne Production Standard)

DMC:V2500-A5-72-41-3000-07B-710A-B|Issue No:002.00|Issue Date:2019-11-01

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

Post SBE 72-0564 AND Post SBE 72-0571 (SELECTONE PRODUCTION STANDARD)

Common Information

TASK 72-41-30-440-008-C00 HPC Front Case And Vane Assembly - Install The Variable Inlet Guide Vane And The Stage 3 To 5 Connectors, Assembly-008 -SBE 72-0564 And SBE 72-0571 (SelectOne Production Standard)

General

This TASK gives the procedure to install the VIGV and stage 3 to 5 bridging pieces only for engines, which have SBE 72-0564, SBE 72-0571 and SBE 72-0573 (SelectOne(TM) Production Standard). The subsequent TASK gives the procedure to assemble the HP compressor front cases.

The subsequent TASK gives the procedure to assemble the HP compressor front cases.

TASK 72-41-30-440-001-C00 (ASSEMBLY-001, CONFIG-003) Install the HP Compressor Stage 4 and 5 Rotor Path Rings and Stage 6 Rotor Ring Segments.

TASK 72-41-30-440-002-B00 (ASSEMBLY-002, CONFIG-002) Measure and then Machine the Stage 6 Stator Vanes and the Stage 4, 5 and 6 Rotor Path Rings.

TASK 72-41-30-440-003-C00 (ASSEMBLY-003, CONFIG-003) Install the Variable Inlet Guide Vanes.

TASK 72-41-30-440-004-C00 (ASSEMBLY-004, CONFIG-003) Install the Stage 3 Stator Vanes.

TASK 72-41-30-440-005-C00 (ASSEMBLY-005, CONFIG-003) Install the Stage 4 Stator Vanes.

TASK 72-41-30-440-006-C00 (ASSEMBLY-006, CONFIG-003) Install the Stage 5 Stator Vanes.

TASK 72-41-30-440-007-B00 (ASSEMBLY-007, CONFIG-002) Install the Stage 6 Stator Vanes.

TASK 72-41-30-440-009-C00 (ASSEMBLY-009, CONFIG-003) Measure the HP Compressor Front Cases.

TASK 72-41-30-440-010-C00 (ASSEMBLY-010, CONFIG-003) Disassemble the HP Compressor Front Cases.

TASK 72-41-30-440-011-C00 (ASSEMBLY-011, CONFIG-003) Check and Set VSV System with Optimised Build and Setting Clearances.

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.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

For standard torque data and procedures, refer to the SPM TASK 70-41-01-400-501 and SPM TASK 70-41-02-400-501.

Special torque data and assembly tolerances are included in the procedure.

Lubricate all threads and touch faces of nuts and bolts with CoMat 10-077 APPROVED ENGINE OILS unless other lubricants are referred to in the procedure.

To identify, lubricate and install seal rings, refer to the SPM TASK 70-44-01-400-501.

For lockwire data and procedures refer to the SPM TASK 70-42-05-400-501.

After assembly apply CoMat 07-038 AIR DRYING ENAMEL to any damaged surface protection, joint flanges and parts used to attach. Use the correct color of the air drying enamel. Refer to the SPM TASK 70-63-02-380-501.

The number for each radial location must be identified in a clockwise direction. These start at the engine top position when you look from the rear of the engine, unless stated differently in the procedure.

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.

NOTE

  1. For accomplishment instructions that contain the content of SBE 72-0564 standard only, please refer to IAE Technical Services.

  2. This task contains also the procedures to adjust the centralizer gap of the VIGV and the VSV stages three to five. We recommend that you do the adjustment of the centralizer gap after the HP Compressor Front Cases are assembled to the HP Compressor Rotor Assembly. Refer to TASK 72-41-00-440-005-C00.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Inspection tableLOCALInspection table
IAE 1R18205 Lifting tool0AM53IAE 1R182051
IAE 1R18207 Support stand0AM53IAE 1R182071
IAE 1R19284 Lifting fixture0AM53IAE 1R19284
IAE 1R18423 Rigging pin0AM53IAE 1R184236
IAE 1R18892 Rigging pin0AM53IAE 1R188926
IAE 1R18423 Rigging pin0AM53IAE 1R184236 per stage
IAE 1R18893 Riggingpin0AM53IAE 1R188936
IAE 1R18894 Rigging pin0AM53IAE 1R188946
IAE 1R18895 Rigging pin0AM53IAE 1R188956

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 07-038 AIR DRYING ENAMEL00BB6CoMat 07-038
CoMat 10-077 APPROVED ENGINE OILSX333XCoMat 10-077

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-30-440-256 Install the Front Cases Split Line Nuts, Bolts and Spacers

    1. Refer to Figure, Figure and Figure.

      2. Install the IAE 1R19284 Lifting fixture 2 off on to the HP compressor upper and lower half front cases rear flanges.

      1. Use a correct hoist and lift a lifter in to position on each HP compressor half front case rear flange.

      2. Engage the two location pins on the lifter in the bolt holes in the split line flanges.

      3. Adjust the six pins and engage them in six bolt holes in the rear flange of each HP compressor half front case.

    3. Use a correct hoist and lift the two HP compressor half front cases on to the inspection table. Carefully lower the HP compressor half front cases on to the inspection table.

    4. Remove the two lifters from the HP compressor half front cases rear flanges.

    5. Install the two stage 4 sealing strips HP COMPRESSOR SPLIT CASE (72-41-31,01-678) in to the slots in the stage 4 rotor path ring at the split line flanges.

    6. Install the two stage 5 sealing strips HP COMPRESSOR SPLIT CASE (72-41-31,01-679) in to the slots in the stage 5 rotor path ring at the split line flanges.

    7. Install the two stage 6 sealing strips HP COMPRESSOR SPLIT CASE (72-41-31,01-680) in to the slots in the stage 6 rotor path ring at the split line flanges.

    8. Align the front HP compressor split line flanges. As the split line flanges are aligned engage the sealing strips in their opposite rotor path ring segments.

    9. CAUTION

      YOU MUST NOT LET THE BOLTS TURN WHEN YOU INSTALL THEM AND WHEN YOU TORQUE THE NUTS. THE BOLTS ARE A CLOSE TOLERANCE FIT. IF YOU DO NOT DO THIS, IT CAN DAMAGE THE FRONT CASE SPLIT LINE.

    10. Install the four bolts HPC Assembly (72-41-00,01-112) and the four nuts HPC Assembly (72-41-00,01-101) at the split line flange positions 8, 12, 30 and 32 . Install the 28 bolts HPC Assembly (72-41-00,01-108), the 28 spacers HPC Assembly (72-41-00,01-104) and the 28 nuts HPC Assembly (72-41-00,01-102) at the remaining split line flange positions.

    11. Torque the nuts in sequence to 180 to 220 lbfin (20.00 to 25.00 Nm).

      12. Install IAE 1R18205 Lifting tool 1 off on the HP compressor front case rear flange.

      1. Release the six adjusting screws then remove the six bolts, washers and the two clamps from the lifting tool.

      2. Use a suitable hoist and lift the lifting tool on to the HP compressor front case rear flange.

      3. Install the two clamps at their correct positions on the lifting tool and the HP compressor front case rear flange.

      4. Install the six bolts and washers to attach the two clamps to the lifting tool. Do not tighten the six bolts.

      5. Adjust the six adjusting screws until the two clamps touch the HP compressor front case rear flange front face.

      6. Tighten the six bolts installed in step (4).

    13. Use a correct hoist attached to the lifting eye on the lifting tool and lift the HP compressor front case from the inspection table.

    14. Lower the HP compressor front case on to IAE 1R18207 Support stand 1 off.

      15. Remove the lifting tool from the HP compressor front case rear flange.

      1. Release the six adjusting screws.

      2. Remove the six bolts and washers which attach the two clamps to the lifting tool.

      3. Remove the two clamps.

      4. Use a correct hoist and remove the lifting tool from the HP compressor front case rear flange.

      5. Attach the two clamps to the lifting tool with the six bolts and washers.

    2. SUBTASK 72-41-30-440-257 Install the VIGV Bridging Pieces

    1. Refer to Figure, Figure and Figure.

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18892 Rigging pin 6 off are installed through the VIGV upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,02-440) and HPC Variable Stator Vane Actuation System (72-41-34,02-540) to the HP compressor front case at positions D.

      3. Install the left hand bridging pieces on to the VIGV upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,02-440) and HPC Variable Stator Vane Actuation System (72-41-34,02-540).

      1. Put the front bridging piece HPC Variable Stator Vane Actuation System (72-41-34,02-200) and the rear bridging piece HPC Variable Stator Vane Actuation System (72-41-34,02-201) into position on the upper and lower actuating rings.

      2. Install the four bolts HPC Variable Stator Vane Actuation System (72-41-34,02-202) and the four self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,02-204) which attach the front and rear bridging pieces to the upper and lower actuating rings.

      3. Torque the nuts to 85 to 105 lbfin (10.00 to 12.00 Nm).

    4. Install the right hand bridging pieces on to the upper and lower actuating rings as given in steps C.(1) to (3).

    3. SUBTASK 72-41-30-440-258 Install the Stage 3 Bridging Pieces

    1. Refer to Figure, Figure and Figure.

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18893 Riggingpin 6 off are installed through the stage 3 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,03-440) and HPC Variable Stator Vane Actuation System (72-41-34,03-540) to the HP compressor front case at positions D.

      3. Install the left hand bridging pieces on to the stage 3 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,03-440) and HPC Variable Stator Vane Actuation System (72-41-34,03-540).

      1. Put the front bridging piece HPC Variable Stator Vane Actuation System (72-41-34,03-200) and the rear bridging piece HPC Variable Stator Vane Actuation System (72-41-34,03-201) into position on the upper and lower actuating rings.

      2. Install the four bolts HPC Variable Stator Vane Actuation System (72-41-34,03-202) and the four self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,03-204) which attach the front and rear bridging pieces to the upper and lower actuating rings.

      3. Torque the nuts to 85 to 105 lbfin (10.00 to 12.00 Nm).

    4. Install the right hand bridging pieces on to the upper and lower actuating rings as given in steps C.(1) to (3).

    4. SUBTASK 72-41-30-440-259 Install the Stage 4 Bridging Pieces

    1. Refer to Figure, Figure and Figure.

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18894 Rigging pin 6 off are installed through the stage 4 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,04-440) and HPC Variable Stator Vane Actuation System (72-41-34,04-540) to the HP compressor front case at positions C.

      3. Install the left hand bridging pieces on to the stage 4 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,04-440) and HPC Variable Stator Vane Actuation System (72-41-34,04-540).

      1. Put the front bridging piece HPC Variable Stator Vane Actuation System (72-41-34,04-200) and the rear bridging piece HPC Variable Stator Vane Actuation System (72-41-34,04-201) into position on the upper and lower actuating rings.

      2. Install the four bolts HPC Variable Stator Vane Actuation System (72-41-34,04-202) and the four self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,04-203) which attach the front and rear bridging pieces to the upper and lower actuating rings.

      3. Torque the nuts to 85 to 105 lbfin (10.00 to 12.00 Nm).

    4. Install the right hand bridging pieces on to the upper and lower actuating rings as given in steps C.(1) to (3).

    5. SUBTASK 72-41-30-440-260 Install the Stage 5 Bridging Pieces

    1. Refer to Figure, Figure and Figure.

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18895 Rigging pin 6 off are installed through the stage 5 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,05-440) and HPC Variable Stator Vane Actuation System (72-41-34,05-540) to the HP compressor front case at positions C.

      3. Install the left hand bridging pieces on to the stage 5 upper and lower actuating rings HPC Variable Stator Vane Actuation System (72-41-34,05-440) and HPC Variable Stator Vane Actuation System (72-41-34,05-540).

      1. Put the front bridging piece HPC Variable Stator Vane Actuation System (72-41-34,05-200) and the rear bridging piece HPC Variable Stator Vane Actuation System (72-41-34,05-201) into position on the upper and lower actuating rings.

      2. Install the four bolts HPC Variable Stator Vane Actuation System (72-41-34,05-202) and the four self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,05-203) which attach the front and rear bridging pieces to the upper and lower actuating rings.

      3. Torque the bolts to 85 to 105 lbfin (10.00 to 12.00 Nm).

    4. Install the right hand bridging pieces on to the upper and lower actuating rings as given in steps C.(1) to (3).

    6. SUBTASK 72-41-30-440-261 Adjust the VIGV Centralizer Gap

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

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18892 Rigging pin 6 off are installed through the VIGV actuating ring to the HP compressor front case at the positions D.

      3. Install the centralizer adjusting shims HPC Variable Stator Vane Actuation System (72-41-34,02-654) thru HPC Variable Stator Vane Actuation System (72-41-34,02-670).

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      1. Loosen the six self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,02-689) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,02-680) to the actuating ring.

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      2. Loosen the four self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,02-743) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,02-730) to the actuating ring.

        3. Measure the gap between the centralizer support assemblies and the actuating ring. Start with the centralizer position marked 1. Refer to Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install adjusting shims equal to the gap minus 0.006 and 0.010 in. (0.15 and 0.25 mm).

        4. Torque the self locking nut HPC Variable Stator Vane Actuation System (72-41-34,02-689) to 85 to 105 lbfin (10.00 to 12.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.006 and 0.010 in. (0.15 and 0.25 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      4. Do the steps (3)(a) thru (e) again for the centralizer positions marked 2 to 4. Obey the sequence on Figure.

        5. Measure the gap between the centralizer support assembly and the actuating ring for the centralizer positions marked 5 and 6. Obey the sequence on Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install the adjusting shims equal to the gap minus 0.006 and 0.010 in. (0.15 and 0.25 mm).

        4. Torque the self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,02-743) to 36 to 45 lbfin (4.00 to 5.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.006 and 0.010 in. (0.15 and 0.25 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

        6. Measure the gap between the centralizer support assembly and the actuating ring for the centralizer positions marked 7 and 8. Obey the sequence on Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install the adjusting shims equal to the gap minus 0.006 and 0.010 in. (0.15 and 0.25 mm).

        4. Torque the self locking nut HPC Variable Stator Vane Actuation System (72-41-34,02-689) to 85 to 105 lbfin (10.00 to 12.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and write down the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.006 and 0.010 in. (0.15 and 0.25 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      4. Do a final check of the gap between the centralizer support assemblies and the HP compressor front case on all 8 centralizer positions.

      1. Make sure that feeler gauges are put between each centralizer support assembly and the HP compressor front case.

      2. Remove the rigging pins.

      3. If the gap is not between 0.006 and 0.010 in. (0.15 and 0.25 mm) do steps C.(1) thru (6) again.

      4. If the gap is between 0.006 and 0.010 in. (0.15 and 0.25 mm) remove all feeler gauges.

      5. Bend over the shim tabs to safety the centralizer adjusting shims.

    7. SUBTASK 72-41-30-440-262 Adjust the Stage 3 Centralizer Gap

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

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18893 Riggingpin 6 off are installed through the VIGV actuating ring to the HP compressor front case at the positions D.

      3. Install the centralizer adjusting shims HPC Variable Stator Vane Actuation System (72-41-34,03-654) thru HPC Variable Stator Vane Actuation System (72-41-34,03-670).

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      1. Loosen the two self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,03-698) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,03-680) to the actuating ring.

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      2. Loosen the 12 self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,03-734) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,03-730) to the actuating ring.

        3. Measure the gap between the centralizer support assemblies and the actuating ring. Start with the centralizer position marked 1. Refer to Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install adjusting shims equal to the gap minus 0.010 and 0.014 in. (0.25 and 0.35 mm).

        4. Torque the self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,03-734) to 36 to 45 lbfin (4.00 to 5.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.010 and 0.014 in. (0.25 and 0.35 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      4. Do the steps (3) (a) thru (e) again for the centralizer positions marked 2 to 6. Obey the sequence on Figure.

        5. Measure the gap between the centralizer support assembly and the actuating ring for the centralizer positions marked 7 and 8. Obey the sequence on Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install the adjusting shims equal to the gap minus 0.010 and 0.014 in. (0.25 and 0.35 mm).

        4. Torque the self locking nut HPC Variable Stator Vane Actuation System (72-41-34,03-698) to 85 to 105 lbfin (10.00 to 12.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.010 and 0.014 in. (0.25 and 0.35 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      4. Do a final check of the gap between the centralizer support assemblies and the HP compressor front case on all 8 centralizer positions.

      1. Make sure that feeler gauges are put between each centralizer support assembly and the HP compressor front case.

      2. Remove the rigging pins.

      3. If the gap is not between 0.010 and 0.014 in. (0.25 and 0.35 mm) do steps C.(1) thru (5) again.

      4. If the gap is between 0.010 and 0.014 in. (0.25 and 0.35 mm) remove all feeler gauges.

      5. Bend over the shim tabs to safety the centralizer adjusting shims.

    8. SUBTASK 72-41-30-440-263 Adjust the Stage 4 Centralizer Gap

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

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18894 Rigging pin 6 off are installed through the VIGV actuating ring to the HP compressor front case at the positions C.

      3. Install the centralizer adjusting shims HPC Variable Stator Vane Actuation System (72-41-34,04-654) thru HPC Variable Stator Vane Actuation System (72-41-34,04-670).

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      1. Loosen the 16 self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,04-698) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,04-680) to the actuating ring.

        2. Measure the gap between the centralizer support assemblies and the actuating ring. Start with the centralizer position marked 1. Refer to Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install adjusting shims equal to the gap minus 0.010 and 0.014 in. (0.25 and 0.35 mm).

        4. Torque the self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,04-698) to 36 to 45 lbfin (4.00 to 5.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.010 and 0.014 in. (0.25 and 0.35 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      3. Do the steps (2) (a) thru (e) again for the centralizer positions marked 2 to 8. Obey the sequence on Figure.

      4. Do a final check of the gap between the centralizer support assemblies and the HP compressor front case on all 8 centralizer positions.

      1. Make sure that feeler gauges are put between each centralizer support assembly and the HP compressor front case.

      2. Remove the rigging pins.

      3. If the gap is not between 0.010 and 0.014 in. (0.25 and 0.35 mm) do steps C.(1) thru (3) again.

      4. If the gap is between 0.010 and 0.014 in. (0.25 and 0.35 mm) remove all feeler gauges.

      5. Bend over the shim tabs to safety the centralizer adjusting shims.

    9. SUBTASK 72-41-30-440-264 Adjust the Stage 5 Centralizer Gap

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

    2. Make sure that six of IAE 1R18423 Rigging pin 6 off or IAE 1R18895 Rigging pin 6 off are installed through the VIGV actuating ring to the HP compressor front case at the positions C.

      3. Install the centralizer adjusting shims HPC Variable Stator Vane Actuation System (72-41-34,05-654) thru HPC Variable Stator Vane Actuation System (72-41-34,05-670).

        NOTE

        The maximum clearance is necessary under each centralizer support assembly.

      1. Loosen the 16 self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,05-698) which attach the centralizer support assemblies HPC Variable Stator Vane Actuation System (72-41-34,05-680) to the actuating ring.

        2. Measure the gap between the centralizer support assemblies and the actuating ring. Start with the centralizer position marked 1. Refer to Figure.

        1. Push the centralizer support assembly radially in until the centralizer support assembly touches the HP compressor front case.

        2. Measure and make a record of the gap between the centralizer support assembly and the actuating ring.

          NOTE

          A maximum of four shims can be used and shims must be put in the same direction at each centralizer bolt position.

        3. Install adjusting shims equal to the gap minus 0.004 and 0.008 in. (0.10 and 0.20 mm).

        4. Torque the self locking nuts HPC Variable Stator Vane Actuation System (72-41-34,05-698) to 36 to 45 lbfin (4.00 to 5.00 Nm).

          NOTE

          The upper limit is recommended.

          5. Measure and make a record of the gap between the centralizer support assembly and the HP compressor front case. This must be between 0.004 and 0.008 in. (0.10 and 0.20 mm).

            NOTE

            Feeler gauges in axial position can cause an incorrect indication.

          1. Put feeler gauges under the centralizer support assembly circumferentially along the length of the actuating ring.

          2. Let the set centralizer support assembly and the feeler gauges in position until all eight centralizer support assemblies on the stage are set.

      3. Do the steps (2) (a) thru (e) again for the centralizer positions marked 2 to 8. Obey the sequence on Figure.

      4. Do a final check of the gap between the centralizer support assemblies and the HP compressor front case on all 8 centralizer positions.

      1. Make sure that feeler gauges are put between each centralizer support assembly and the HP compressor front case.

      2. Remove the rigging pins.

      3. If the gap is not between 0.004 and 0.008 in. (0.10 and 0.20 mm) do steps C.(1) thru (3) again.

      4. If the gap is between 0.004 and 0.008 in. (0.10 and 0.20 mm) remove all feeler gauges.

      5. Bend over the shim tabs to safety the centralizer adjusting shims.

    10. Figure: General View through the HP Compressor Front Cases

    General View through the HP Compressor Front Cases

    Figure: Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 1

    Legend
    Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 1

    Close

    Figure: Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 2

    Legend
    Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 2

    Close

    Figure: Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 3

    Legend
    Install the HP Compressor Front Case Split Line Bolts, Nuts and Spacers

    Sheet 3

    Close

    Figure: Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Legend
    Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Close

    Figure: Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Legend
    Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Close

    Figure: Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Legend
    Install the Inlet Guide Vane Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Close

    Figure: Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Legend
    Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Close

    Figure: Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Legend
    Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Close

    Figure: Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Legend
    Install the Stage 3 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Close

    Figure: Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Legend
    Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Close

    Figure: Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Legend
    Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Close

    Figure: Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Legend
    Install the Stage 4 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Close

    Figure: Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Legend
    Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 1

    Close

    Figure: Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Legend
    Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 2

    Close

    Figure: Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Legend
    Install the Stage 5 Bridging Pieces and Centralizer Adjusting Shims

    Sheet 3

    Close

    Figure: Bend over the Centralizer Adjusting Shim Tab

    Bend over the Centralizer Adjusting Shim Tab

    Figure: Install the Feeler Gauges

    Install the Feeler Gauges

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Correct Lifting Tool Part Number (CAS-32152-F6W4W7)

Manufacturer Code:00BB6
Enterprise Name:INDESTRUCTIBLE PAINT INC
BU Name:INDESTRUCTIBLE PAINT INC
Street:1 INDEPENDENCE DRIVE
City:MONROE
State:CT
Zip Code:06468
Country:USA
Phone Number:1-203-880-9130
Fax Number:1-203-880-9133
Email:dave@indestructiblepaint.com
Internet:www.indestructiblepaint.com
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:X333X
Enterprise Name:REFER TO V2500 SB ENG-79-0108
Manufacturer Code:00BB6
Supply Number:CoMat 07-038
Type:sp01
Supply Short Name:CoMat 07-038 AIR DRYING ENAMEL
Supply Name:CoMat 07-038 AIR DRYING ENAMEL
Specification Groups:
Doc NumberType
OMAT:7/22B (RR REF)IP9138 R1
JCR-029 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
K3504
Manufacturer Code:X333X
Supply Number:CoMat 10-077
Type:sp01
Supply Short Name:CoMat 10-077 APPROVED ENGINE OILS
Supply Name:CoMat 10-077 APPROVED ENGINE OILS
Specification Groups:
Doc NumberType
For V2500-A1/A5/D5 models - Refer to V2500 Service Bulletin ENG-79-0108
For V2500-E5 model - Refer to Service Bulletin E5-79-0001
Suppliers:
ManufacturerRemarks
X333X
Manufacturer Code:0AM53
Tool Number:IAE 1R18205
Tool Name:IAE 1R18205 Lifting tool
Manufacturer Code:0AM53
Tool Number:IAE 1R18207
Tool Name:IAE 1R18207 Support stand
Manufacturer Code:0AM53
Tool Number:IAE 1R18423
Tool Name:IAE 1R18423 Rigging pin
Manufacturer Code:0AM53
Tool Number:IAE 1R18892
Tool Name:IAE 1R18892 Rigging pin
Manufacturer Code:0AM53
Tool Number:IAE 1R18893
Tool Name:IAE 1R18893 Riggingpin
Manufacturer Code:0AM53
Tool Number:IAE 1R18894
Tool Name:IAE 1R18894 Rigging pin
Manufacturer Code:0AM53
Tool Number:IAE 1R18895
Tool Name:IAE 1R18895 Rigging pin
Manufacturer Code:0AM53
Tool Number:IAE 1R19284
Tool Name:IAE 1R19284 Lifting fixture
Manufacturer Code:LOCAL
Tool Number:Inspection table
Tool Name:Inspection table