TASK 72-50-10-030-010 LPT Case And Rotor Assembly - Disassemble The LPT Stage 3 Rotor Assembly From The LPT, Disassembly-010

DMC:V2500-A0-72-50-1000-10A-530A-B|Issue No:003.00|Issue Date:2017-05-01

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 72-50-10-030-010 LPT Case And Rotor Assembly - Disassemble The LPT Stage 3 Rotor Assembly From The LPT, Disassembly-010

General

Refer to TASK 72-50-10-030-001 (DISASSEMBLY-001) before you do this TASK.

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 and parts with an interference fit. Let the parts soak before removal. For the approved oils and procedures, 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 keywashers removed in this procedure.

Refer to TASK 72-50-00-990-501 (DESCRIPTION AND OPERATION-001) 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
Rack palletLOCALRack pallet
BasketLOCALBasket

For blades and vanes

IAE 1M14010 Assembly/Disassembly fixture0AM53IAE 1M140101
IAE 1M14030 Assembly trolley0AM53IAE 1M140301
IAE 1M14059 Lifting fixture0AM53IAE 1M140591
IAE 1M14063 Guide fixture0AM53IAE 1M140631
IAE 1M14078 Clamping ring0AM53IAE 1M140781
IAE 1M14130 Removal puller0AM53IAE 1M141301
IAE 1M14142 Clamping ring0AM53IAE 1M141421
IAE 1M14156 Lifting fixture0AM53IAE 1M141561

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-10-030-113 Release the Clamps of the Assembly/Disassembly Fixture

    1. Refer to: Figure

    2. Release the hand knobs of the six clamps of the IAE 1M14010 Assembly/Disassembly fixture 1 off which attach the stage 3 disk to the fixture.

    3. Turn the clamps to the inner.

    2. SUBTASK 72-50-10-030-114 Attach the Lifting Fixture on to the Stage 3 Disk

    1. Refer to: Figure

    2. Use hoist equipment to install the IAE 1M14059 Lifting fixture 1 off. Make sure that the clamps of the lifting fixture are locked in the inner position. Install the three teflon bolts into the holes which are marked with the stage number of the disk to be removed.

    3. Hoist the lifting fixture above the LP turbine case.

    4. Lower the lifting fixture carefully on to the stage 3 disk, engage the front end of the guide tube through the IAE 1M14063 Guide fixture 1 off.

    5. Loosen the hand knobs.

    6. Move the clamps on the lifting fixture to the outer direction in the identified position. Attach the clamps with the hand knobs. Tighten the hand knobs.

    3. SUBTASK 72-50-10-030-115 Remove the Stage 3 Disk

    1. Refer to: Figure

    2. Use hoist equipment and lift the stage 3 disk with the lifting fixture from the LP turbine case.

    3. Lower the stage 3 disk on the IAE 1M14030 Assembly trolley 1 off.

    4. Loosen the hand knobs of the lifting fixture. Move the clamps into inner position. Remove the lifting fixture from the stage 3 disk. Remove hoist equipment.

    4. SUBTASK 72-50-10-030-116-A00 V2500-A1: Install the Clamping Ring 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 clamping ring with the hand knob. Tighten the hand knob.

    5. SUBTASK 72-50-10-030-116-B00 V2500-A5: Install the Clamping Ring 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 clamping ring with the hand knob. Tighten the hand knob.

    6. SUBTASK 72-50-10-030-117 Turn the Stage 3 Disk

    1. Use hoist equipment to install the IAE 1M14156 Lifting fixture 1 off to the clamping ring.

    2. Lift and turn the stage 3 disk. Put the stage 3 disk onrack pallet.

    3. Remove the hoist equipment and the lifting fixture.

    4. Loosen the hand knob and disconnect the single acting ball lock pin. Remove the two halves of the clamping ring from the stage 3 disk.

    7. SUBTASK 72-50-10-030-187 Remove the Blanking Plugs of the LP Turbine Borescope Ports

    1. Refer to Figure.

    2. Remove the lock wire.

    3. 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.

      Loosen and remove the two bolts, which secure the blanking plug.

    4. CAUTION

      MAKE SURE THAT THE SLEEVE FLANGED BUSHING DOES NOT FALL OUT. IF THE PART FALLS OUT IT CAUSES DAMAGE.

      Remove the blanking plug together with the spacer plates.

    5. Remove the sleeve flanged bushing.

    6. Do the same procedure with the second borescope port.

    8. SUBTASK 72-50-10-030-118 Remove the Shroud Seal Segments of the Stage 3

    1. Refer to: Figure

    2. Loosen the shroud seal segments with the IAE 1M14130 Removal puller 1 off.

    3. Remove all the 15 shroud seal segments from the LP turbine case.

    4. Put the shroud seal segments in a basket.

    9. SUBTASK 72-50-10-030-119-A00 V2500-A1: Remove the Stage 3 Rear Heatshield Segments

    1. Refer to: Figure

    2. Remove the three stage 3 rear heatshield segments from the LP turbine case. Disassemble the heatshields.

    3. Put the heatshield segments on rack pallet.

    10. SUBTASK 72-50-10-030-119-B00 V2500-A5: Remove the stage 3 Rear Heatshields

    1. Refer to: Figure

    2. Remove the four stage 3 rear heatshields in counter-clockwise direction out of the LP turbine case.

    3. Put the heatshield segments on a rack pallet.

    11. SUBTASK 72-50-10-030-119-188 V2500-A5: Remove the Stage 3 Segment Seals

    1. Refer to: Figure

    2. Remove the four stage 3 segment seals in counter-clockwise direction out of the LP turbine case.

    3. Put the segment seals on a rack pallet.

    12. SUBTASK 72-50-10-030-120 V2500-A1: Remove the Ring Seal

    1. Refer to: Figure

    2. Remove the ring seal from the LP turbine case.

    13. SUBTASK 72-50-10-030-153 Remove the Guide Fixture from the Assembly/Disassembly Fixture

    1. Refer to: Figure

    2. Remove the guide fixture from the assembly/disassembly fixture.

    14. Figure: Remove the Stage 3 Disk

    Remove the Stage 3 Disk

    Figure: Remove the Stage 3 LP Turbine Borescope Port

    Remove the Stage 3 LP Turbine Borescope Port

    Figure: V2500-A1: Remove the Segments Seals, the Rear Heatshield Segments and the Ring Seal

    V2500-A1: Remove the Segments Seals, the Rear Heatshield Segments and the Ring Seal

    Figure: Lift and Turn the Stage 3 Disk with the Clamping Ring

    Lift and Turn the Stage 3 Disk with the Clamping Ring

    Figure: V2500-A5 Remove the Segment Seals, the Rear Heatshields and the Shroud Seal Segments

    V2500-A5 Remove the Segment Seals, the Rear Heatshields and the Shroud Seal Segments

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised Illustration.

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:LOCAL
Tool Number:Basket
Tool Name:Basket
Manufacturer Code:0AM53
Tool Number:IAE 1M14010
Tool Name:IAE 1M14010 Assembly/Disassembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14030
Tool Name:IAE 1M14030 Assembly trolley
Manufacturer Code:0AM53
Tool Number:IAE 1M14059
Tool Name:IAE 1M14059 Lifting fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14063
Tool Name:IAE 1M14063 Guide fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14078
Tool Name:IAE 1M14078 Clamping ring
Manufacturer Code:0AM53
Tool Number:IAE 1M14130
Tool Name:IAE 1M14130 Removal puller
Manufacturer Code:0AM53
Tool Number:IAE 1M14142
Tool Name:IAE 1M14142 Clamping ring
Manufacturer Code:0AM53
Tool Number:IAE 1M14156
Tool Name:IAE 1M14156 Lifting fixture
Manufacturer Code:LOCAL
Tool Number:Rack pallet
Tool Name:Rack pallet