Preliminary Requirements

Procedure

1. SUBTASK 72-41-20-440-130 Apply the Masking Tape to the HP Compressor Rear Cases and Vanes

   1. Apply the CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER to the subsequent areas.

      1. To seal the bleed slots in the stage 7 and 10 stator vanes.

      2. to seal the holes in the stage 8, 9 and 11 intrascope vanes.

      3. To seal the clearances at the stage 7 to 11 stator stop vanes.

      4. To seal the clearances between the stage 7 to 11 stator vanes and their rear liners.

   2. Pre SBE 72-0343: Apply the masking tape to the stage 7 to 12 rotor path ring linings. Make sure the linings are completely protected.

   3. SBE 72-0343 Apply the masking tape to the stage 7 to 12 rotor path case assembly linings. Make sure the linings are completely protected.

2. SUBTASK 72-41-20-440-131 Install the Protect Guards on to the Stage 7 to 11 Stator Vanes

   1. Refer to Figure and Figure.

   2. Install IAE 1R18796 Protect guard 1 off, on to the stage 7 stator vanes.

      NOTE

      The outer face is the one that goes on to the stator vane tips.

      1. Attach a 0.118 in. to 0.276 in. (3.00 mm to 7.00 mm) strip of CoMat 02-181 MODELLING CLAY to the outer face of the protect guard.

      2. Apply a thin layer of CoMat 12-031 FRENCH CHALK to the faces of the modelling clay that will touch the stator vanes.

      3. Install the protect guard on to the stator vanes. Push the protect guard on to the stator vanes until the stator vane tips are in the modelling clay.

   3. Install IAE 1R18801 Protect guard 1 off, on to the stage 7 stator vanes.

      1. Put the protect guard on the trailing edge of the stator vanes.

      2. Use CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER to hold the protect guards in their correct position. Refer to Figure for the dimensions of the protect guard positions.

   4. Install IAE 1R18797 Protect guard 1 off, on to the stage 8 stator vanes.

      1. Do Step thru Step again.

   5. Install IAE 1R18802 Protect guard 1 off, on to the stage 8 stator vanes.

      1. Do Step and Step again.

   6. Install IAE 1R18798 Protect guard 1 off, on to the stage 9 stator vanes.

      1. Do Step thru Step again.

   7. Install IAE 1R18803 Protect guard 1 off, on to the stage 9 stator vanes.

      1. Put the protect guard on the leading edge of the stator vanes.

      2. Use CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER to hold the protect guard in their correct positions. Refer to Figure for the dimensions of the protect guard positions.

   8. Install IAE 1R18799 Protect guard 1 off, on to the stage 10 stator vanes.

      1. Do Step thru Step again.

   9. Install IAE 1R18803 Protect guard 1 off, on to the stage 10 stator vanes.

      1. Do Step and Step again.

   10. Install IAE 1R18800 Protect guard 1 off, on to the stage 11 stator vanes.

       1. Do Step thru Step again.

   11. Install IAE 1R18804 Protect guard 1 off, on to the stage 11 stator vanes.

       1. Do Step and Step again.

3. SUBTASK 72-41-20-440-199 Manufacture the Tool to Restrain the Stator Vanes Stages 9 to 11

   NOTE

   The tooling can only be manufactured using new stator vanes.

   NOTE

   The procedure is not required if the tool has been made previously and is still in good condition.

   1. Mix a sufficient amount of CoMat 08-036 SILICONE RUBBER COMPOUND moulding material in accordance with the manufacturers data sheet. It is recommended that the mixture is put in a vacuum chamber to remove trapped air. Alternatively allow mixture to cure for 10 to 15 minutes at room temperature to allow the bubbles to rise to the surface for removal.

   2. Carefully apply the CoMat 08-036 SILICONE RUBBER COMPOUND moulding material to the stage 9 to 11 stator vane moulding cavities.

   3. Fill the vane cavities until the rubber reaches the top of the mould.

   4. Allow the mixture to cure for 18 to 24 hours at room temperature.

      NOTE

      The rubber mould should be stored at room temperature in clean dry condtions. Avoid contact with resins and other materials which may attack the mould.

   5. When the rubber has cured remove all the tooling from the vanes. Carefully make a cut through the cross section of the mould and remove the clamping ring from the stator vanes.

   6. Inspect the tool for integrity/damage prior to use.

      NOTE

      If a full set of rings is to be produced then each stage must be moulded individually from stages 6 to 11 in sequence for ease of removal once the rubber has cured.

   7. Use a black permanent marker pen to identify the tool with the following:

      1. IAE 1R19796 Clamping Ring V2500-A5 stage 9 vanes.

      2. IAE 1R19797 Clamping Ring V2500-A5 stage 10 vanes.

      3. IAE 1R19798 Clamping Ring V2500-A5 stage 11 vanes.

      4. Engine type (V2500-A5).

      5. Stage number (eg stage 9 vanes).

4. SUBTASK 72-41-20-440-200 Install the Tooling to Hold the Stage 9 to 11 Stator Vanes

   1. Visually inspect the silicone rubber tooling for defects and loss of elasticity.

      1. If tooling has defects or loss of elasticity, reject and repeat Step.

   2. Install the silicone rubber tooling to the HP Compressor stage with fixed geometry stator vanes stages 9 to 11.

      1. IAE 1R19796 Clamping Ring V2500-A5 stage 9 vanes.

      2. IAE 1R19797 Clamping Ring V2500-A5 stage 10 vanes.

      3. IAE 1R19798 Clamping Ring V2500-A5 stage 11 vanes.

5. SUBTASK 72-41-20-440-133 Turn the HP Compressor Rear Cases and Vanes

   1. Refer to Figure.

   2. Pre SBE 72-0343: Install the IAE 1R18212 Support ring 1 off on the front support cone.

      1. Put the support ring in position on the front support cone. Align the six bolts in the support ring with the six holes in the front support cone outer flange.

      2. Install the six bolts and washers, part of the support ring. Tighten the six bolts.

   3. SBE 72-0343: Install the IAE 1R18212 Support ring 1 off on the stage 7 cone and rotor path assembly.

      1. Put the support ring in position on the stage 7 cone and rotor path assembly. Align the six bolts in the support ring with the six holes in the stage 7 cone and rotor path assembly outer flange.

      2. Install the six bolts and washers, part of the support ring. Tighten the six bolts.

   4. Install IAE 1R18417 Lifting Turnover trunnions 2 off.

      1. Put one of the lifting turnover trunnions on to the location pin on the support ring.

      2. Install the two bolts and washers which attach the lifting turnover trunnion to the support ring.

      3. Tighten the two bolts.

      4. Install the remaining lifting turnover trunnion as given in steps A.(1) to A.(3).

   5. Use a suitable hoist attached to IAE 1R18431 Lifting beam 1 off and set the lifting beam above the HP compressor rear case and vanes.

   6. Connect the two legs of the lifting beam to the two lifting turnover trunnions.

   7. Carefully lift the HP compressor rear cases and vanes.

   8. Turn the HP compressor rear cases and vanes through 180 degrees. The rear face (the cross key location ring) should point down. Lower the HP compressor rear cases and vanes on to a clean work bench.

   9. Remove the six bolts and the six washers which attach the HP compressor rear cases and vanes to the support ring.

   10. Use the hoist to remove the lifting beam the lifting turnover trunnions and the support ring from the HP compressor rear cases and vanes.

   11. Disassemble the tools and put them on a suitable work surface.

6. SUBTASK 72-41-20-440-201 Manufacture the Tool to Restrain the Stator Vanes Stages 7 to 8

   NOTE

   The tooling can only be manufactured using new stator vanes.

   NOTE

   The procedure is not required if the tool has been made previously and is still in good condition.

   1. Mix a sufficient amount of CoMat 08-036 SILICONE RUBBER COMPOUND moulding material in accordance with the manufacturers data sheet. It is recommended that the mixture is put in a vacuum chanber to remove trapped air. Alternatively allow mixture to cure for 10 to 15 minutes at room temperature to allow the bubbles to rise to the surface for removal.

   2. Carefully apply the CoMat 08-036 SILICONE RUBBER COMPOUND moulding material to the stage 7 to 8 stator vane moulding cavities.

   3. Fill the vane cavities until the rubber reaches the top of the mould.

   4. Allow the mixture to cure for 18 to 24 hours at room temperature.

      NOTE

      The rubber mould should be stored at room temperature in clean dry condtions. Avoid contact with resins and other materials which may attack the mould.

   5. When the rubber has cured remove all the tooling from the vanes. Carefully make a cut through the cross section of the mould and remove the clamping ring from the stator vanes.

   6. Inspect the tool for integrity/damage prior to use.

   7. NOTE

      If a full set of rings is to be produced then each stage must be moulded individually from stages 7 to 11 in sequence for ease of removal once the rubber has cured.

      Use a black permanent marker pen to identify the tool with the following:

      1. IAE 1R19794 Clamping Ring V2500-A5 stage 7 vanes.

      2. IAE 1R19795 Clamping Ring V2500-A5 stage 8 vanes.

      3. Engine type (V2500-A5).

      4. Stage number (eg stage 7 vanes).

7. SUBTASK 72-41-20-440-202 Install the Tooling to Restrain the HP Compressor Stage 7 to 11 Stator Vanes

   1. Visually inspect the silicone rubber tooling for defects and loss of elasticity.

      1. If tooling has defects or loss of elasticity, reject and repeat Step.

   2. If this TASK has not already been completed, install the silicone rubber tooling to thr HP Compressor stages with fixed geometry stator vanes stages 7 to 11.

      1. IAE 1R19794 Clamping Ring V2500-A5 stage 7 vanes.

      2. IAE 1R19795 Clamping Ring V2500-A5 stage 8 vanes.

8. SUBTASK 72-41-20-440-135 Prepare the Tools to Turn the HP Compressor Rear Cases and Vanes from the Horizontal to the Vertical

   1. Refer to Figure.

   2. Install IAE 1R18413 Turnover stand adaptor 1 off, on to IAE 1R18321 Turnover stand 1 off.

      1. Attach a suitable sling and hoist to the turnover stand adapter.

      2. Lift the turnover stand adapter and put it in position in the turnover stand.

      3. Attach the turnover stand adapter to the turnover stand with the six tool bolts. Use the three 0.375 in. (9.5 mm) 24 UNF x 0.75 in. (19.05 mm) long bolts at the position 2. Use the three 0.375 in. (9.5 mm) 24 UNF x 0.50 in. (12.7 mm.) long bolts at the position 1.

      4. Tighten the six tool bolts to safety the turnover stand adapter.

   3. Install IAE 1R18412 Turning fixture 1 off, on to the turnover stand adapter.

      1. Attach a suitable sling and hoist to the turning fixture.

      2. Lift the turning fixture and put it in position over the turnover stand adapter.

      3. Lower the turning fixture on to the turnover stand adapter. At the same time align the dowel on the turnover stand adapter with the dowel hole in the turning fixture.

      4. Attach the turning fixture to the turnover stand adapter with the four tool bolts. Use the four 0.75 in. (19.05 mm) 10UNC x 3.0 in. (76.2 mm) long bolts.

      5. Tighten the bolts to safety the turning fixture.

9. SUBTASK 72-41-20-440-136 Install the HP Compressor Rear Cases and Vanes in the Turning Fixture

   1. Refer to Figure and Figure.

   2. Pre SBE 72-0343: Install the IAE 1R18416 Lifting tool 1 off on to the front support cone HPC Ring Cases And Related Parts (72-41-21, 03-300).

      1. Use a suitable hoist and lift the lifting tools on to the HP compressor rear cases and vanes.

      2. Align the four holes in the lifting tool with four holes in the front support cone HPC Ring Cases And Related Parts (72-41-21, 03-300) outer flange. Use the bolt holes that are on each side of a location dowel hole.

      3. Install the four bolts and washers, part of the lifting tool, through the front support cone outer flange. These attach the lifting tool to the front support cone.

      4. Tighten the four bolts.

   3. SBE 72-0343: Install the IAE 1R18416 Lifting tool 1 off on to the stage 7 cone and rotor path assembly HPC Ring Cases And Related Parts (72-41-21, 03-300).

      1. Use a suitable hoist and lift the lifting tools on to the HP compressor rear cases and vanes.

      2. Align the four holes in the lifting tool with four holes in the stage 7 cone and rotor path assembly HPC Ring Cases And Related Parts (72-41-21, 03-300) outer flange. Use the bolt holes that are on each side of a location dowel hole.

      3. Install the four bolts and washers, part of the lifting tool, through the front support cone outer flange. These attach the lifting tool to the stage 7 cone and rotor path assembly.

      4. Tighten the four bolts.

   4. Install the HP compressor rear cases and vanes in to the tools assembled in Step.

      1. Remove the 10 nuts and the 10 washers which attach the 10 clamps to the turning fixture. Remove the 10 clamps.

      2. Release the 24 nuts which attach the 12 location blocks to the turning fixture. Slide the 12 location blocks radially out.

      3. Use a suitable hoist attached to the lifting tool and lift the HP compressor rear cases and vanes above the turning fixture.

      4. Carefully lower the HP compressor rear cases and vanes in to the turning fixture. Engage the 10 dowels in the turning fixture with the 10 dowel locating holes in the front support cone outer flange. There is a dowel location hole on each of the legs of the lifting tool. These must be located on two of the dowels on the turning fixture.

      5. Align the cross key ring and seal assembly with the 12 locating blocks on the turning fixture.

      6. Install the 10 clamps removed in Step. Tighten the 10 nuts in sequence.

      7. Slide the location blocks radially in tighten the 24 nuts in the correct sequence. The location blocks must not change the position of the HP compressor rear cases and vanes. The HP compressor rear cases and vanes must be held by a minimum of six location blocks. The location blocks must be set at equal positions around the flange.

      8. Remove the four bolts and washers which attach the lifting tool to the front support cone.

      9. Remove the lifting tool.

   5. Turn the HP compressor rear cases and vanes with the turning fixture from the vertical position to the horizontal position.

10. SUBTASK 72-41-20-440-137 Install the HP compressor Rear Cases and Vanes in the Pallet

    1. Refer to Figure.

    2. Install the IAE 3R18232 Lifting beam 1 off on to the IAE 1R18412 Turning fixture 1 off.

       1. remove the four bolts from the front face of the lifting beam.

       2. Use a suitable hoist and lift the lifting beam on to the turning fixture. Align the lifting beam front face with the location on the turning fixture.

       3. Install the four bolts removed in Step.

       4. Tighten the four bolts.

    3. Lift the HP compressor rear cases and vanes.

       1. Adjust the hoist used in step A.(1) until it just holds the weight of the turning fixture and the HP compressor rear cases and vanes.

       2. Remove the four bolts and washers which attach the turning fixture to the turnover stand adapter.

       3. Use the hoist and remove the turning fixture with the HP compressor rear cases and vanes from the turnover stand adapter.

    4. Carefully lower the assembly in to the IAE 1R18415 Pallet 1 off.

    5. Transport the assembly to the machine area to have the stator vanes and rotor path rings machined.

11. SUBTASK 72-41-20-324-053 Machine the Stage 7 to 11 Stator Vanes

    1. Refer to Figure, Figure and Figure.

    2. Attach the IAE 1R18760 Grinding head 1 off to the machine. Use a suitable adapter plate.

    3. Set up the universal machining centre.

       1. Attach the IAE 1R18420 Dressing attachment 1 off to the grind attachment on the machine and secure with the four set screws.

       2. Set the dressing angle. Use IAE 1R18738 Setting block 1 off, IAE 1R18739 Setting block 1 off, IAE 1R18740 Setting block 1 off or IAE 1R18741 Setting block 1 off. Refer to IAE 1R18700 Machine drawing 1 off for correct setting piece.

       3. Attach the IAE 1R18421 Diamond dresser 1 off to the dressing attachment and secure with the set screw.

       4. Attach the IAE 1R18422 Support probe bracket 1 off to the grind attachment. Position the support probe bracket behind the dressing attachment and secure with the four set screws.

       5. Attach the IAE 1R18418 Multiflex holder 1 off at the locating slot on the support probe bracket and secure with the three set screws.

    4. To measure the stage 7 to 11 stator vanes attach the IAE 1R18419 Probe holder 1 off at the multiflex holder interface and secure with the allen screw.

    5. Install the HP compressor rear cases and vanes in to the machine.

    6. Use the conditions given in machine requirements to machine the stage 7 to 11 stator vanes. Write a record of the dimensions which the stator vanes are machined to.

    7. Use a Vacuum adjacent to the grinding wheel to remove the dust during the grinding process.

    8. Remove the burrs from the stator vane tips and all unwanted material.

    9. Measure the stator vane tip surface profile.

    10. Remove the HP compressor rear cases and vanes and the turning fixture from the machine.

12. SUBTASK 72-41-20-324-054 Machine the Stage 7 to 12 Rotor Path Rings and Rotor Path Case Assemblies (Pre SBE 72-0343 and SBE 72-0343)

    SBE 72-0343: Engine - HP compressor ring cases - Introduction of integral HP compressor cases and rotor paths.

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

    2. Pre SBE 72-0343: Remove the CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER from the stage 7 to 12 rotor path rings.

    3. SBE 72-0343: Remove the CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER from the stage 7 to 12 rotor path case assemblies.

    4. Install the HP compressor rear cases and vanes in the machine.

    5. Set up the universal machining centre.

       1. Attach the IAE 1R18414 Boring bar 1 off to the machine tool post and secure with the three set screws.

       2. Attach the IAE 1R18418 Multiflex holder 1 off at the locating slot on the boring bar and secure with the three grub screws.

       3. Attach the IAE 1R18430 Turning holder 1 off at the multiflex holder interface and secure with the allen screw.

    6. To measure the rotor path rings remove the IAE 1R18430 Turning holder and fit the IAE 1R18419 Probe holder 1 off at the multiflex holder interface and secure with the allen screw.

    7. Pre SBE 72-0343: Set and measure the swash and runout of the stage 7 and 12 rotor path rings. This should be a maximum of 0.003 in. (0.08 mm). Write down a record of the values.

    8. SBE 72-0343: Set and measure the swash and runout of the stage 7 and 12 rotor path case assemblies. This should be a maximum of 0.003 in. (0.08 mm). Write down a record of the values.

    9. Pre SBE 72-0343: Use the conditions given in machining requirements to machine the stage 7 to 12 rotor path rings. Write down a record of the dimensions the rotor path rings are machined to.

    10. SBE 72-0343: Use the conditions given in machining requirements to machine the stage 7 to 12 rotor path case assemblies. Write down a record of the dimensions the rotor path rings are machined to.

        NOTE

        Only remove the minimum quantity of abradable lining to show the metal of the rotor path rings at the front and rear of the liner.

    11. Remove the unwanted material and the machine cusps after you have machined the rotor path rings.

    12. Remove the HP compressor rear cases and vanes from the machine.

    13. Put the HP compressor rear cases and vanes in to IAE 1R18415 Pallet 1 off.

13. SUBTASK 72-41-20-440-138 Prepare the HP Compressor Rear Cases and Vanes to be Cleaned

    1. Use a suitable hoist and lift the HP compressor rear cases and vanes from the pallet. Refer to Figure.

    2. Align the turning fixture with the turnover stand adapter in the turnover stand.

    3. Install the four bolts and the four washers to attach the turning fixture to the turnover stand adapter. Tighten the four bolts.

    4. Remove the bolts which attach the lifting beam to the turning fixture. Remove the hoist and the lifting beam.

    5. Turn the assembly in the turnover stand from the horizontal position to the vertical position.

    6. Install the IAE 1R18416 Lifting tool 1 as given in Step.

    7. Attach a suitable hoist to the lifting tool. Hold the weight of the assembly on the hoist.

    8. Remove the HP compressor rear cases and vanes from the turning fixture.

       1. Loosen the 12 nuts which secure the 12 location blocks on the turning fixture.

       2. Slide the location blocks radially out.

       3. remove the 10 nuts and washers which attach the 10 clamps to the turning fixture.

       4. Remove the 10 clamps.

       5. Use the hoist installed in Step and lift the HP compressor rear cases and vanes on to a clean work surface.

       6. Remove the hoist and the lifting tool from the HP compressor rear cases and vanes.

14. SUBTASK 72-41-20-110-054 Clean the HP Compressor Rear Case and Vanes

    1. Remove all masking from the stator vanes and cases and vanes.

    2. Remove the silicone rubber tooling from the HP Compressor vanes.

    3. Use a Vacuum to remove any loose swarf or dust which may have accumulated during the grinding process.

    4. Aqueous degrease the HP compressor cases and vanes by TASK 70-11-03-300-503.

15. SUBTASK 72-41-20-440-139 Install the HP Compressor Rear Cases and Vanes on to the Support Rings

    1. Refer to Figure.

    2. Install the IAE 1R18212 Support ring 1 and the IAE 1R18417 Lifting Turnover trunnions 2 off, on the front support cone as given in Step.

    3. Attach the IAE 1R18431 Lifting beam 1 off on a suitable hoist to the lifting turnover trunnions.

    4. Lift the HP compressor rear cases and vanes.

    5. Turn the HP compressor rear cases and vanes through 180 degrees. The support rings must point down.

    6. Lower the HP compressor rear cases and vanes with the support ring on to a clean work surface.

    7. Remove the lifting beam and the lifting turnover trunnions from the HP compressor rear cases and vanes.

Figure: Pre SBE 72-343 And SBE 72-0296: View Through The HP Compressor Rear Cases And Vanes

Pre SBE 72-343 and 72-0296: View through the HP compressor rear cases and vanes



Legend

Pre SBE 72-343 and 72-0296: View through the HP compressor rear cases and vanes

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Figure: SBE 72-343 And SBE 72-0296: View Through The HP Compressor Rear Cases And Vanes

SBE 72-343 and 72-0296: View through the HP compressor rear cases and vanes



Legend

SBE 72-343 and 72-0296: View through the HP compressor rear cases and vanes

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Figure: Install The Protect Guards

Install The Protect Guards



Figure: Apply The Encapsulating Material On To The Stator Vanes

Apply The Encapsulating Material On To The Stator Vanes



Figure: Install The Lifting Turnover Trunnions

Install The Lifting Turnover Trunnions



Figure: Prepare The Tools To Turn The HP Compressor Rear Cases And Vanes

Prepare The Tools To Turn The HP Compressor Rear Cases And Vanes



Figure: Install The HP Compressor Rear Cases And Vanes In To The Turning Fixture

Install The HP Compressor Rear Cases And Vanes In To The Turning Fixture



Figure: Install The HP Compressor Rear Cases And Vanes In To The Turning Fixture

Install The HP Compressor Rear Cases And Vanes In To The Turning Fixture



Figure: Transfer The HP Compressor Rear Cases And Vanes From The Turnover Stand To The Pallet

Transfer The HP Compressor Rear Cases And Vanes From The Turnover Stand To The Pallet



Figure: SBE 72-0296 And SBE 72-0343: Machine The Stator Vane Tips

SBE 72-0296Engine - HP Compressor - Introduction Of Integral Front Support-Cone Stage 7 Rotor Path And Revised Heatshield And Fastener Configuration and SBE 72-0343Engine - HP Compressor Ring Cases - Introduction Of Integral HP Compressor Cases And Rotor Paths: Machine the Stator Vane Tips



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SBE 72-0296 and SBE 72-0343: Machine the Stator Vane Tips

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Figure: Machine The Stator Vane Tips

Machine The Stator Vane Tips



Figure: Machine The Stator Vane Tips

Machine The Stator Vane Tips



Figure: SBE 72-0296 And SBE 72-0343: Machine The Rotor Path Ring Linings

SBE 72-0296Engine - HP Compressor - Introduction Of Integral Front Support-Cone Stage 7 Rotor Path And Revised Heatshield And Fastener Configuration and SBE 72-0343Engine - HP Compressor Ring Cases - Introduction Of Integral HP Compressor Cases And Rotor Paths: Machine the Rotor Path Ring Linings



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SBE 72-0296 and SBE 72-0343: Machine the Rotor Path Ring Linings

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Figure: SBE 72-0296 And SBE 72-0343: Machine The Rotor Path Ring Linings

SBE 72-0296 And SBE 72-0343: Machine The Rotor Path Ring Linings



Figure: Pre SBE 72-0296 And SBE 72-0343: Machine The Rotor Path Ring Linings

Pre SBE 72-0296Engine - HP Compressor - Introduction Of Integral Front Support-Cone Stage 7 Rotor Path And Revised Heatshield And Fastener Configuration and 72-0343: Machine the rotor path ring linings



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Pre SBE 72-0296 and 72-0343: Machine the rotor path ring linings

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Figure: SBE 72-0296 And SBE 72-0343: Machine The Rotor Path Ring Linings

SBE 72-0296Engine - HP Compressor - Introduction Of Integral Front Support-Cone Stage 7 Rotor Path And Revised Heatshield And Fastener Configuration and 72-0343: Machine the rotor path ring linings



Legend

SBE 72-0296 and 72-0343: Machine the rotor path ring linings

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