TASK 72-50-30-040-005 LPT Stage 3 Rotor Assembly - Disassemble, Disassembly-005

DMC:V2500-A0-72-50-3003-00A-530A-B|Issue No:004.00|Issue Date:2020-02-01

Export Control

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

Copyright

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

Applicability

All

Common Information

TASK 72-50-30-040-005 LPT Stage 3 Rotor Assembly - Disassemble, Disassembly-005

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 penetrating oil before the removal of threaded parts. Let the parts soak before removal. For the approved oils and procedures, refer to the SPM TASK 70-64-00-640-501.

Discard all rotor bolts and nuts removed in this procedure

Refer to TASK 72-50-00-990-501 (DESCRIPTION AND OPERATION) for a sectional view of the LP turbine module.

NOTE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
MalletLOCALMallet

Soft head

IAE 1F10026 Hydraulic hand pump0AM53IAE 1F100261
IAE 1M14043 Hydraulic basic fixture0AM53IAE 1M140431
IAE 1M14054 Torque wrench adapter0AM53IAE 1M140541
IAE 1M14078 Clamping ring0AM53IAE 1M140781
IAE 1M14079 Plastic wedge0AM53IAE 1M140791
IAE 1M14098 Clamping jaw0AM53IAE 1M140986
IAE 1M14142 Clamping ring0AM53IAE 1M141421
IAE 1M14148 Hydraulic basic fixture0AM53IAE 1M141481
IAE 1M14154 Assy/disassy stand0AM53IAE 1M141541
IAE 1M14156 Lifting fixture0AM53IAE 1M141561

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-30-040-095-A00 V2500-A1: Prepare the Hydraulic Basic Fixture to Install the Stage 3 Disk

    1. Refer to Figure.

    2. Put the IAE 1M14043 Hydraulic basic fixture 1 off on to a work bench.

    4. Loosen fully the six nuts which attach the six clamps of the IAE 1M14043 Hydraulic basic fixture.

    5. Move the six clamps inwards to the rear position.

    2. SUBTASK 72-50-30-040-095-B00 V2500-A5: Prepare the Hydraulic Basic Fixture to Install the Stage 3 Disk

    1. Refer to Figure.

    2. Put the IAE 1M14148 Hydraulic basic fixture 1 off on to a work bench.

    4. Loosen fully the six nuts which attach the six clamps of the IAE 1M14148 Hydraulic basic fixture.

    5. Move the six clamps inwards to the rear position.

    3. SUBTASK 72-50-30-040-096-A00 V2500-A1: Install the Clamping Ring on to the Stage 3 Disk

    1. Refer to Figure.

    2. Install the two halves of the IAE 1M14078 Clamping ring 1 off to the stage 3 disk.

    3. Connect the two halves with the single acting ball lock pin.

    4. Attach the IAE 1M14078 Clamping ring with the hand knob.

    5. Tighten the hand knob.

    4. SUBTASK 72-50-30-040-096-B00 V2500-A5: Install the Clamping Ring on to the Stage 3 Disk

    1. Refer to Figure.

    2. Install the two halves of the IAE 1M14142 Clamping ring 1 off to the stage 3 disk.

    3. Connect the two halves with the single acting ball lock pin.

    4. Attach the IAE 1M14142 Clamping ring with the hand knob.

    5. Tighten the hand knob.

    5. SUBTASK 72-50-30-040-097 Install the Stage 3 Disk in to the Hydraulic Basic Fixture

    1. Refer to Figure and Figure.

    2. Install the IAE 1M14156 Lifting fixture 1 off to hoist equipment.

    3. Install the IAE 1M14156 Lifting fixture to the IAE 1M14078 Clamping ring or IAE 1M14142 Clamping ring and lift the stage 3 disk. Turn the stage 3 disk, air seal in upper position.

    4. Move the stage 3 disk in position above the IAE 1M14043 Hydraulic basic fixture or IAE 1M14148 Hydraulic basic fixture.

    5. Lower the stage 3 disk carefully in to the IAE 1M14043 Hydraulic basic fixture or IAE 1M14148 Hydraulic basic fixture. Lower until the rear face of the disk aligns on to the centering rod.

    7. Move the six clamps outwards above the stage 3 disk inner rear flange.

    8. Make sure that all the clamps are in correct position above the inner rear flange of the stage 3 disk.

    9. Tighten the six nuts to attach the stage 3 disk in to the IAE 1M14043 Hydraulic basic fixture or IAE 1M14148 Hydraulic basic fixture.

    10. WARNING

      DURING DISASSEMBLY DO NOT BREATHE DUST OF THE LOOSENED BOLTS. PREVENT SKIN AND EYE CONTACT WITH RELEASED DUST. THE DUST CONTAINS NICKEL PARTICLES WHICH CAN POSE A HEALTH HAZARD. BEFORE DISASSEMBLY LUBRICATE ACCESSIBLE BOLTS AND BOLT HEADS, NUTS AND EXPOSED THREADS WITH AN APPROVED, SUITABLE PENETRANT OIL. WEAR A FACE MASK AND GOGGLES. DO NOT REMOVE DUST DEPOSITS WITH COMPRESSED AIR. REMOVE ANY SURFACE DUST PARTICLES WITH A DISPOSABLE DAMP RAG OR SIMILAR. AFTER END OF THIS PROCEDURE CLEAN YOUR HANDS AND EXPOSED SKIN WHERE POSSIBLE.

      Remove the 36 nuts which attach the stage 3 air seal to the stage 3 turbine disk. Use the IAE 1M14054 Torque wrench adapter 1 off. Remove the 36 bolts.

    11. Discard the 36 bolts and 36 nuts.

    6. SUBTASK 72-50-30-040-098 Prepare the Hydraulic Basic Fixture for the Installation of the Support

    1. Install the connector of the IAE 1F10026 Hydraulic hand pump 1 off to the coupler, part of the hydraulic cylinder.

    2. Make sure that the connector is correctly fitted to the coupler.

    4. Operate the IAE 1F10026 Hydraulic hand pump to get the pivot in upper position.

    7. SUBTASK 72-50-30-040-099-A00 V2500-A1: Install the Support on to the Hydraulic Basic Fixture

    1. Refer to Figure.

    2. Align the center hole of the support, part of the IAE 1M14043 Hydraulic basic fixture 1 off with the pivot. Install the support.

    3. Make sure that the abutment face of the support is correctly aligned with the abutment face of the pivot.

    8. SUBTASK 72-50-30-040-099-B00 V2500-A5: Install the Support on to the Hydraulic Basic Fixture

    1. Refer to Figure.

    2. Align the center hole of the support, part of the IAE 1M14148 Hydraulic basic fixture 1 off with the pivot. Install the support.

    3. Make sure that the abutment face of the support is correctly aligned with the abutment face of the pivot.

    9. SUBTASK 72-50-30-040-100 Install the Clamping Jaws on to the Support

    1. Refer to Figure.

    2. Turn the knurled screws of the IAE 1M14098 Clamping jaw 6 off fully outwards. Install the IAE 1M14098 Clamping jaw to the support.

    3. Loosen the knurled knobs until the spring-loaded clamps are in fully opened position.

    4. Engage the IAE 1M14098 Clamping jaw at the inner position of the support.

    5. Open the hydraulic valve at the IAE 1M14043 Hydraulic basic fixture or IAE 1M14148 Hydraulic basic fixture and let the support move downwards. Lower the jaws until they are in correct alignment with the stage 3 air seal upper lip.

    6. Close the hydraulic valve.

    7. Move the six IAE 1M14098 Clamping jaw outwards until they are in correct contact with the stage 3 air seal outer diameter.

    8. Tighten the knurled knobs of the IAE 1M14098 Clamping jaw until the spring-loaded clamps are fully closed.

    9. Tighten the knurled screws to secure the IAE 1M14098 Clamping jaw at the support.

    10. Install the connector of the IAE 1F10026 Hydraulic hand pump 1 off to the coupler, part of the hydraulic cylinder.

    11. Make sure that the connector is correctly fitted to the coupler.

    10. SUBTASK 72-50-30-040-101-A00 V2500-A1: Remove the Air Seal from the Stage 3 Disk

    1. Refer to Figure.

    2. Operate the IAE 1F10026 Hydraulic hand pump carefully until the air seal is free from the stage 3 disk abutment face.

    3. Open the hydraulic valve at the IAE 1M14043 Hydraulic basic fixture 1 off. Lower the support with the stage 3 air seal carefully until the air seal is in contact with the stage 3 disk.

    4. Close the hydraulic valve and disconnect the IAE 1F10026 Hydraulic hand pump from the IAE 1M14043 Hydraulic basic fixture.

    11. SUBTASK 72-50-30-040-101-B00 V2500-A5: Remove the Air Seal from the Stage 3 Disk

    1. Refer to Figure.

    2. Operate the IAE 1F10026 Hydraulic hand pump carefully until the air seal is free from the stage 3 disk abutment face.

    3. Open the hydraulic valve at the IAE 1M14148 Hydraulic basic fixture 1 off. Lower the support with the stage 3 air seal carefully until the air seal is in contact with the stage 3 disk.

    4. Close the hydraulic valve and disconnect the IAE 1F10026 Hydraulic hand pump from the IAE 1M14148 Hydraulic basic fixture.

    12. SUBTASK 72-50-30-040-102-A00 V2500-A1: Remove the Jaws from the Stage 3 Air Seal

    1. Refer to Figure.

    2. Loosen the knurled knobs of the IAE 1M14098 Clamping jaw until the spring-loaded clamps are fully opened.

    3. Loosen the six knurled screws of the IAE 1M14098 Clamping jaw. Move the IAE 1M14098 Clamping jaw inwards and remove them from the support.

    4. Remove the support from the IAE 1M14043 Hydraulic basic fixture 1 off.

    6. Remove the stage 3 air seal from the IAE 1M14043 Hydraulic basic fixture. Put it down on the work bench or in a storage box.

    13. SUBTASK 72-50-30-040-102-B00 V2500-A5: Remove the Jaws from the Stage 3 Air Seal

    1. Refer to Figure.

    2. Loosen the knurled knobs of the IAE 1M14098 Clamping jaw until the spring loaded clamps are fully opened.

    3. Loosen the six knurled screws of the IAE 1M14098 Clamping jaw. Move the IAE 1M14098 Clamping jaw inwards and remove them from the support.

    4. Remove the support from the IAE 1M14148 Hydraulic basic fixture 1 off.

    6. Remove the stage 3 air seal from the IAE 1M14148 Hydraulic basic fixture. Put it down on the work bench or in a storage box.

    14. SUBTASK 72-50-30-040-103-A00 V2500-A1: Remove the Stage 3 Disk from the Hydraulic Basic Fixture

    1. Refer to Figure.

    2. Install the IAE 1M14156 Lifting fixture 1 off to hoist equipment.

    3. Install the hoist equipment on to the installed IAE 1M14078 Clamping ring.

    4. Lift the stage 3 disk and remove it from the IAE 1M14043 Hydraulic basic fixture 1 off.

    5. Make sure that you use the correct locating ring of the IAE 1M14154 Assy/disassy stand 1 off for the stage 3 disk.

    6. Lower the stage 3 disk on to the IAE 1M14154 Assy/disassy stand 1 off, rear flange upwards.

    7. Remove the IAE 1M14156 Lifting fixture and the hoist equipment.

    15. SUBTASK 72-50-30-040-103-B00 V2500-A5: Remove the Stage 3 Disk from the Hydraulic Basic Fixture

    1. Refer to Figure.

    2. Install the IAE 1M14156 Lifting fixture to hoist equipment.

    3. Install the hoist equipment on to the installed IAE 1M14142 Clamping ring.

    4. Lift the stage 3 disk and remove it from the IAE 1M14148 Hydraulic basic fixture 1 off.

    5. Make sure that you use the correct locating ring of the IAE 1M14154 Assy/disassy stand 1 off for the stage 3 disk.

    6. Lower the stage 3 disk on to the IAE 1M14154 Assy/disassy stand 1 off, rear flange upwards.

    7. Remove the IAE 1M14156 Lifting fixture and the hoist equipment.

    16. SUBTASK 72-50-30-040-104 Remove the Clamping Ring from the Stage 3 Disk

    1. Refer to Figure.

    2. Loosen the hand knobs and disconnect the single acting ball lock pins at the IAE 1M14078 Clamping ring or IAE 1M14142 Clamping ring.

    3. Remove the two halves of the IAE 1M14078 Clamping ring or IAE 1M14142 Clamping ring from the stage 3 disk.

    17. SUBTASK 72-50-30-040-105 Remove the Stage 3 Turbine Blades from the Disk

    1. Refer to Figure.

    2. Lightly hit the blades at the blade roots. Operate stepwise and in clockwise direction to disengage the blades. Use the IAE 1M14079 Plastic wedge 1 off and a soft headed Mallet.

    3. Remove all 97 blades and put them in to the blade trays.

    4. Put the stage 3 disk in a storage box.

    18. Figure: Turn the Stage 3 Disk with the Clamping Ring

    Turn the Stage 3 Disk with the Clamping Ring

    Figure: Install the Stage 3 Turbine Disk in to the Hydraulic Basic Fixture

    Install the Stage 3 Turbine Disk in to the Hydraulic Basic Fixture

    Figure: Remove the Stage 3 Turbine Blades

    Remove the Stage 3 Turbine Blades

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Corrected internal reference (Editorial)

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:0AM53
Tool Number:IAE 1F10026
Tool Name:IAE 1F10026 Hydraulic hand pump
Manufacturer Code:0AM53
Tool Number:IAE 1M14043
Tool Name:IAE 1M14043 Hydraulic basic fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14054
Tool Name:IAE 1M14054 Torque wrench adapter
Manufacturer Code:0AM53
Tool Number:IAE 1M14078
Tool Name:IAE 1M14078 Clamping ring
Manufacturer Code:0AM53
Tool Number:IAE 1M14079
Tool Name:IAE 1M14079 Plastic wedge
Manufacturer Code:0AM53
Tool Number:IAE 1M14098
Tool Name:IAE 1M14098 Clamping jaw
Manufacturer Code:0AM53
Tool Number:IAE 1M14142
Tool Name:IAE 1M14142 Clamping ring
Manufacturer Code:0AM53
Tool Number:IAE 1M14148
Tool Name:IAE 1M14148 Hydraulic basic fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14154
Tool Name:IAE 1M14154 Assy/disassy stand
Manufacturer Code:0AM53
Tool Number:IAE 1M14156
Tool Name:IAE 1M14156 Lifting fixture
Manufacturer Code:LOCAL
Tool Number:Mallet
Tool Name:Mallet