TASK 72-45-20-040-001-B00 HPT Case And Vane Assembly - Disassemble The Case And Vane Assembly, Disassembly-001 - SBE 72-0339

DMC:V2500-A1-72-45-2000-00B-530A-B|Issue No:003.00|Issue Date:2019-08-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

V2500-A1

Common Information

TASK 72-45-20-040-001-B00 HPT Case And Vane Assembly - Disassemble The Case And Vane Assembly, Disassembly-001 - SBE 72-0339

General

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

Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts and parts with an interference fit. Let the parts soak before removal. Refer to SPM TASK 70-64-00-640-501.

Remove and discard the lockwire before parts are disconnected or removed.

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

Refer to TASK 72-45-00-990-501 (DESCRIPTION AND OPERATION) for a sectional view of the HP turbine case and vane assembly.

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
IAE 1P16013 Fixture0AM53IAE 1P160131
IAE 1P16026 Assembly fixture0AM53IAE 1P160261
IAE 1P16064 Puller0AM53IAE 1P160641
IAE 1P16173 Lift sling0AM53IAE 1P161731
IAE 1P16184 Puller0AM53IAE 1P161841
IAE 1P17011 Disassembly fixture0AM53IAE 1P170111
IAE 1P17040 Removal fixture0AM53IAE 1P170401
IAE 1P17758 Protective cover0AM53IAE 1P17758

Consumables, Materials and Expendables

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

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-45-20-040-071 Put the HP Turbine Case and Vane Assembly on a Work Bench

    1. Refer to Figure.

    2. Remove the IAE 1P17758 Protective cover 1 off from the rear flange of the turbine case and vane assembly.

    3. Install the IAE 1P16173 Lift sling 1 off to the rear flange of the turbine case assembly (flange with the dowel pin) and attach with the washers and nuts.

    4. Attach the sling to a hoist.

    5. Lift and position the case and vane assembly on a work bench.

    6. Remove the sling.

    2. SUBTASK 72-45-20-040-073 Remove the Instrumentation Plugs

    1. Refer to Figure.

    2. Remove the lockwire on the two retaining bolts at each location that attach the instrumentation plug to the turbine case assembly.

    3. Install the IAE 1P16184 Puller 1 off to the center hole in the instrumentation plug.

    4. Remove the instrumentation plugs from the two bosses on the turbine case assembly. Remove the puller.

    5. Remove and discard the two gaskets.

    3. SUBTASK 72-45-20-040-074 Remove the Stage 2 HPT Support Assembly, Stage 2 HPT Duct Support Assemblies and Stage 2 HPT Seal

    1. Refer to Figure and Figure.

    2. Remove the eight chamfered screws which attach the stage 2 HPT support assembly to the rear flange of the turbine case assembly.

      3. Install the IAE 1P16013 Fixture 1 off on the stage 2 HPT support assembly flange.

      1. Loosen the knurled knobs on the fixture.

      2. Pull the clamps out to have a clearance between the tool and the assembled parts.

      3. Attach a standard two cable sling to the fixture lifting spools. Attach a hoist to the sling.

      4. Lift up and turn the fixture 180 degrees to position the fixture with the legs up.

      5. Position the fixture over the rear flange of the turbine case assembly.

        6. Install the fixture on the rear flange of the stage 2 HPT support assembly.

        1. Align the offset hole in the stage 2 HPT support assembly with the arrow marked on the fixture.

        2. Carefully lower the fixture until the parts are fully engaged in the fixture.

        7. Hold the parts in the fixture with the clamps.

        1. Push the six clamps in, to engage the stage 2 HPT duct support assemblies through the holes in the fixture.

        2. Tighten the knurled knobs.

    4. Install the eight tool bolts in the threaded 250-28 holes located on the front side of the turbine case rear flange.

    5. Turn the bolts in, equally to release the support assembly from the case flange.

    6. Lift the fixture and assemble parts up.

    7. Turn the fixture 180 degrees with the legs down and position on the work bench.

    8. Loosen the knurled knobs and pull the clamps out to have clearance between the fixture and the assembled parts.

    9. Remove the assembled stage 2 HPT support assembly, stage 2 HPT duct support assemblies and the stage 2 HPT seals from the fixture and position on the work bench.

    10. Lift the fixture with a hoist and put in storage. Remove the sling and hoist.

    11. Remove the eight tool bolts from the turbine case flange.

    4. SUBTASK 72-45-20-040-075 Disassemble the Stage 2 HPT Support Assembly, Stage 2 HPT Duct Support Assemblies and Stage 2 HPT Seal

    1. Refer to Figure.

      2. Install the assembled stage 2 HPT support assembly, stage 2 HPT duct support assemblies and stage 2 HPT seal in to the IAE 1P17011 Disassembly fixture 1 off.

      1. Loosen the flanged nuts on the fixture and remove the fixture supports from the base.

      2. Remove the press ring from the fixture.

      3. Install the assembled parts into the fixture with stage 2 HPT seal down into the center locator of the fixture.

      4. Install the press ring on the stage 2 duct support assemblies.

      5. Loosen the jackscrews on the fixture supports.

      6. Install the fixture supports to the base and attach them with the flanged nuts. Tighten the nuts.

      7. Turn the jackscrews in, equally to put pressure on the press ring to release the stage 2 HPT support assembly from the stage 2 HPT duct support assemblies.

      3. Remove the parts from the fixture.

      1. Loosen the jackscrews on the fixture supports.

      2. Remove the press ring from the fixture.

      3. Loosen the flanged nuts and remove the fixture supports from the base.

      4. Turn the stage 2 HPT support assembly sufficiently to clear the lugs on the stage 2 HPT duct support assemblies. Remove the support assembly from the fixture.

      5. Carefully remove the stage 2 HPT duct support assemblies from the stage 2 HPT seal and remove the duct support assemblies and stage 2 HPT duct support seals from the fixture.

      6. Remove the stage 2 HPT duct support seals from the duct support assemblies.

      7. Remove the stage 2 HPT seal from the fixture.

      8. Install the press ring and fixture supports to the fixture and attach the supports with the flanged bolts. Put the fixture in storage.

    5. SUBTASK 72-45-20-040-076 Remove the Stage 2 HPT Duct Segments, Stage 2 HPT Band Segment Assemblies and Gaskets

    1. Refer to Figure.

    2. Remove and discard the gasket from the groove on the rear of the stage 2 HPT duct segments.

    3. Remove the stage 2 HPT duct segments and stage 2 duct seals from the stage 2 ring segment and vane cluster assemblies.

    4. Remove the stage 2 HPT duct seals from the duct segments.

    5. Remove the stage 2 HPT band segment assemblies.

    6. Remove and discard the gasket from the rear groove on the outer diameter of the stage 2 ring segment and vane cluster assemblies.

    6. SUBTASK 72-45-20-040-077 Install the Case and Vane Assembly in the Fixture

    1. Refer to Figure.

    2. Remove the retaining bolts and nut from the IAE 1P16026 Assembly fixture 1 off.

    3. Install a standard two cable sling to the lifting spools on the fixture. Attach the sling to a hoist.

    4. Lift and turn the fixture 180 degrees with the legs up and position over the rear flange of the turbine case assembly.

    5. Align the dowel pin in the case assembly flange with the dowel hole in the fixture and lower the fixture on the case.

    6. Install the plates to the front side of the case assembly flange.

    7. Install the retaining bolts through the plates and flange and attach with the retaining nuts.

    8. Lift the case assembly and turn 180 degrees with the legs on the fixture down and position on a work bench.

    9. Remove the sling and hoist.

    7. SUBTASK 72-45-20-040-078 Remove the Stage 1 HPT Duct Supports and Seals

    1. Refer to Figure.

      2. Remove the stage 1 HPT duct support bolts.

        1. Install the IAE 1P17040 Removal fixture 1 off on the front flange of turbine case assembly.

        1. Install the socket on the spacer.

        2. Put the fixture on the front flange of the turbine case assembly.

        3. Align the socket with the bolt on one of the stage 1 HPT duct supports.

        4. Put the clamp bolt through the rear side of the fixture and position the front surface of the clamp on the rear side of the front flange.

        5. Install the nut on the clamp bolt and tighten the nut.

        6. Remove the stage 1 HPT duct support bolt.

        7. Do the procedure again, until all the bolts are removed.

      3. Remove the stage 1 HPT duct support and seals.

      1. Install the 190-32 tool bolts in the threaded hole of the 19 stage 1 HPT duct supports.

      2. CAUTION

        TURN THE TOOL BOLTS IN EQUALLY TO PREVENT DAMAGE TO THE STAGE 1 HPT DUCT SUPPORT SEALS WHEN THE STAGE 1 HPT DUCT SUPPORTS ARE RELEASED.

        Turn the bolts in equally to release the duct supports from the inner diameter flange of the turbine case assembly and the stage 1 HPT duct segment assemblies.

      3. Carefully remove the duct supports and seals.

    8. SUBTASK 72-45-20-040-079 Remove the Stage 1 HPT Duct Segments Assemblies, Seals and Stage 1 HPT Band Segments

    1. Refer to Figure.

    2. Remove and discard the gasket from the groove on the stage 1 HPT duct segment assemblies.

    3. Remove the three stage 1 HPT band segments.

      4. Install the IAE 1P16064 Puller 1 off.

      1. Loosen the hand knob on the front of the IAE 1P16064 Puller 1 off.

      2. Slide the clamp back.

      3. Start in the middle of the band segment and install the front edge of the puller over the lip of the band.

      4. Pull back toward the engine centerline to make contact with the band.

      5. Slide the clamp into the groove and secure it with the hand knob.

        NOTE

        It may be necessary to do this procedure at two or three places on each segment.

      6. Slide the hammer back with sufficient force to loosen the segment.

    5. Disassemble the stage 1 HPT duct segment assemblies and remove the seals from the duct segment slots.

    6. Remove and discard the gasket from the inner diameter groove of the stage 2 HPT ring segment and vane cluster assemblies.

    9. SUBTASK 72-45-20-040-080 Remove the Turbine Case Assembly from the Stage 2 HPT Ring Segment and Vane Cluster Assemblies

    1. Refer to Figure.

    2. Install the IAE 1P16173 Lift sling 1 off to the front flange of the turbine case assembly and attach with the washers and nuts.

    3. Remove the retaining nuts, plates and bolts that attaches the case assembly to the assembly fixture.

    4. Attach the sling to a hoist.

    5. Carefully lift the turbine case assembly up from the stage 2 HPT ring segment and vane cluster assemblies and the assembly fixture.

    6. Position the case assembly on a pallet. Remove the sling.

    10. SUBTASK 72-45-20-040-081 Remove the Stage 2 HPT Ring Segment and Vane Cluster Assemblies from the Fixture

    1. Refer to Figure.

    2. Remove and discard the gasket from the outer diameter groove of the stage 2 HPT ring segment and vane cluster assemblies.

    3. Remove the stage 2 HPT ring segments and vane cluster assemblies from the assembly fixture.

    4. Remove the stage 2 HPT seal assembly and seals from the grooves on each of the ring segment vane cluster assemblies.

    5. Install a standard two cable sling to the lifting spools on the assembly fixture. Attach the sling to a hoist.

    6. Lift the assembly fixture and put in storage. Remove the sling and hoist.

    11. SUBTASK 72-45-20-040-083 Remove the HPT Rotor and Stator Identification Plate

    1. Refer to Figure.

      2. If necessary, remove the HPT rotor and stator identification plate Engine-HP Turbine Rotor and Stator Assembly ENGINE-HP TURBINE ROTOR AND STATOR ASSEMBLY (72-45-00, 01-240) from the bracket on the front flange of the turbine case assembly.

      1. Remove the bolts and nuts that attach the identification plate to the bracket on the front flange of the turbine case assembly.

    12. Figure: Put the HP Turbine Case and Vane Assembly on the Workbench

    Put the HP Turbine Case and Vane Assembly on the Workbench

    Figure: Remove the Instrumentation Plugs

    Remove the Instrumentation Plugs

    Figure: Remove the Assembled Stage 2 HPT Support Assembly, Stage 2 Duct Support Assemblies and Stage 2 HT Seal

    Remove the Assembled Stage 2 HPT Support Assembly, Stage 2 Duct Support Assemblies and Stage 2 HT Seal

    Figure: The Stage 2 HPT Support Assembly, the Stage 2 HPT Duct Support Assemblies and the Stage 2 HPT Seal in the Fixture

    The Stage 2 HPT Support Assembly, the Stage 2 HPT Duct Support Assemblies and the Stage 2 HPT Seal in the Fixture

    Figure: Disassemble the Stage 2 HPT Support Assembly, Stage 2 HPT Duct Support Assemblies and Stage 2 HPT Seal

    Disassemble the Stage 2 HPT Support Assembly, Stage 2 HPT Duct Support Assemblies and Stage 2 HPT Seal

    Figure: Remove the Stage 2 HPT Duct Segments and the Stage 2 HPT Band Segment Assemblies

    Remove the Stage 2 HPT Duct Segments and the Stage 2 HPT Band Segment Assemblies

    Figure: Install the IAE 1P16026 Assembly Fixture

    Install the IAE 1P16026 Assembly Fixture

    Figure: Remove the Stage 1 HPT Duct Supports and Seals

    Remove the Stage 1 HPT Duct Supports and Seals

    Figure: Remove the Stage 1 HPT Duct Segment Assemblies and the Stage 1 HPT Band Segments

    Remove the Stage 1 HPT Duct Segment Assemblies and the Stage 1 HPT Band Segments

    Figure: Remove the HP Turbine Case Assembly from the Stage 2 HPT Ring Segment and Vane Cluster Assemblies

    Remove the HP Turbine Case Assembly from the Stage 2 HPT Ring Segment and Vane Cluster Assemblies

    Figure: Remove HPT Rotor and Stator Identification Plate

    Remove HPT Rotor and Stator Identification Plate

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure to add subtask and figure 11. (19VC053)

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
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 1P16013
Tool Name:IAE 1P16013 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P16026
Tool Name:IAE 1P16026 Assembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P16064
Tool Name:IAE 1P16064 Puller
Manufacturer Code:0AM53
Tool Number:IAE 1P16173
Tool Name:IAE 1P16173 Lift sling
Manufacturer Code:0AM53
Tool Number:IAE 1P16184
Tool Name:IAE 1P16184 Puller
Manufacturer Code:0AM53
Tool Number:IAE 1P17011
Tool Name:IAE 1P17011 Disassembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P17040
Tool Name:IAE 1P17040 Removal fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P17758
Tool Name:IAE 1P17758 Protective cover