TASK 72-50-10-030-004 LPT Case And Rotor Assembly - Disassemble The LPT Stage 6 Rotor Assembly From The LPT, Disassembly-004

DMC:V2500-A0-72-50-1000-04A-530A-B|Issue No:002.00|Issue Date:2013-11-01

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

All

Common Information

TASK 72-50-10-030-004 LPT Case And Rotor Assembly - Disassemble The LPT Stage 6 Rotor Assembly From The LPT, Disassembly-004

General

Refer to TASK 72-50-10-030-001 (DISASSEMBLY-001) (Prepare for Disassembly) 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. 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-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
Work benchLOCALWork bench
IAE 1F10026 Hydraulic hand pump0AM53IAE 1F100261
IAE 1M14010 Assembly/Disassembly fixture0AM53IAE 1M140101
IAE 1M14014 Support fixture0AM53IAE 1M140141
IAE 1M14030 Assembly trolley0AM53IAE 1M140301
IAE 1M14050 Locating disk0AM53IAE 1M140501
IAE 1M14053 Torque wrench adapter0AM53IAE 1M140531
IAE 1M14059 Lifting fixture0AM53IAE 1M140591
IAE 1M14063 Guide fixture0AM53IAE 1M140631
IAE 1M14064 Support bolt0AM53IAE 1M140643
IAE 1M14065 Hydraulic basic fixture0AM53IAE 1M140651
IAE 1M14069 Position retainer0AM53IAE 1M1406936
IAE 1M14096 Special wrench0AM53IAE 1M140961
IAE 1M14110 Turnover stand0AM53IAE 1M141101
IAE 1M14155 Clamping ring0AM53IAE 1M141551
IAE 1M14156 Lifting fixture0AM53IAE 1M141561
IAE 1M14094 Retaining block0AM53IAE 1M14094

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-10-030-072 Attach the Locating Disk into the Support Fixture

    1. Refer to: Figure

    3. Attach the locating disk with the six screws. Tighten the screws.

    2. SUBTASK 72-50-10-030-073 Install the Support Fixture and the Locating Disk on to the LP Turbine Case and Rotor

    1. Refer to: Figure

    2. Lift the support fixture with the attached locating disk above the rear flange of the LP turbine case.

    3. Carefully lower the tool assembly onto the rear flange of the LP turbine case. Make sure that the bushings of the locating disk engage the bore in the rear flange of the stage 6 disk.

    4. Attach the support fixture with the four toggle clamps onto the rear flange of the LP turbine case. Tighten the toggle clamps.

    3. SUBTASK 72-50-10-030-074 Remove the Guide Fixture from the Assy/Disassy Fixture

    1. Refer to: Figure

    4. SUBTASK 72-50-10-030-075 Turn the LP Turbine Case and Rotor in the Turnover Stand

    1. Release the holding flange of the IAE 1M14110 Turnover stand.

    2. Turn the LP turbine case and rotor approximately 180 degrees.

    3. Lock the holding flange of the turnover stand.

    5. SUBTASK 72-50-10-030-076 Install the Position Retainers to the Bolts of the Stage 6 Disk

    1. Refer to: Figure

    2. Install the IAE 1M14069 Position retainer 36 off under the 36 bolt heads at the front flange of the stage 6 disk.

    6. SUBTASK 72-50-10-030-077 Remove the Nuts of the Stage 6 Disk

      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.

      CAUTION

      HOLD THE BOLTS IN THEIR POSITION WHEN YOU LOOSEN AND REMOVE THE NUTS FROM THE BOLTS. DO NOT TURN THE BOLTS OR MAKE TO-AND-FRO MOVEMENTS. THE DISK/INNER AIR SEAL FLANGES AND THE BOLTS CAN BE DAMAGED BY SCORES.

    1. Refer to Figure.

    2. Loosen all 36 nuts which secure the stage 6 disk front flange to the stage 5 disk rear flange. Use the IAE 1M14053 Torque wrench adapter 1 off.

    3. Remove all 36 nuts with the IAE 1M14096 Special wrench 1 off. Discard the nuts.

    7. SUBTASK 72-50-10-030-143 Remove the Position Retainers and the Bolts

    1. Refer to: Figure

    2. Remove all 36 position retainers under the 36 bolt heads.

    3. Remove all 36 bolts from the stage 6 disk. Discard the bolts.

    8. SUBTASK 72-50-10-030-078 Turn the LP Turbine Case and Rotor in the Turnover Stand

    1. Release the holding flanges of the turnover stand.

    2. Turn the LP turbine case and rotor by 180 degrees in to vertical position. Rear end up.

    3. Lock the holding flanges of the turnover stand.

    9. SUBTASK 72-50-10-030-079 Remove the Support Fixture and the Locating Disk

    1. Refer to: Figure

    2. Loosen the four toggle clamps and remove the IAE 1M14014 Support fixture and the IAE 1M14050 Locating disk from the LP turbine case rear flange.

    3. Position the tool assembly on a work bench.

    4. Disassemble the location disk from the support fixture.

    10. SUBTASK 72-50-10-030-080 Install the Guide Fixture onto the Assy/Disassy Fixture

    1. Refer to: Figure

    2. Lift the IAE 1M14063 Guide fixture 1 off with the IAE 1M14064 Support bolt 3 off onto the inner flange of the IAE 1M14010 Assembly/Disassembly fixture.

    3. Attach the guide fixture with the bolts at the assy/disassy fixture.

    4. Tighten the bolts.

    11. SUBTASK 72-50-10-030-081 Install the Hydraulic Basic Fixture

    1. Refer to: Figure

    2. Engage the IAE 1M14065 Hydraulic basic fixture 1 off onto the support bolts. Move the hydraulic basic fixture into the highest groove on the support bolts. Turn it to lock the hydraulic basic fixture on the support bolts.

    12. SUBTASK 72-50-10-030-082 Install the Lifting Fixture onto the Stage 6 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 and rotor.

    4. Lower the lifting fixture carefully onto the stage 6 disk, engage the front end of the guide tube through the guide fixture.

    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.

    13. SUBTASK 72-50-10-030-083 Remove the Stage 6 Disk

    1. Refer to: Figure

    2. Connect the IAE 1F10026 Hydraulic hand pump 1 off onto the hydraulic basic fixture.

    3. Operate the hydraulic basic fixture with the pump to push off the stage 6 disk.

    4. CAUTION

      MAKE SURE THAT THE STAGE 6 VANE SEGMENTS ARE SECURED IN THE CASE BY THE IAE 1M14094 Retaining block 33 OFF.

      Use hoist equipment and lift the stage 6 disk and the stage 6 air seal with the lifting fixture from the LP turbine case and rotor.

    5. Lower the stage 6 disk on the IAE 1M14030 Assembly trolley 1 off.

    6. Loosen the hand knobs of the lifting fixture. Move the clamps in to inner position. Remove the lifting fixture from the stage 6 disk. Remove the hoist equipment.

    14. SUBTASK 72-50-10-030-084 Attach the Clamping Ring to the Stage 6 Disk

    1. Refer to Figure.

    2. Install the two halves of the IAE 1M14155 Clamping ring 1 off to the stage 6 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.

    15. SUBTASK 72-50-10-030-085 Turn the Stage 6 Disk

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

    2. Lift and turn the stage 6 disk. Install the disk again on the assembly trolley, the rotating air seal in top position.

    3. CAUTION

      HOLD THE BOLTS IN THEIR POSITION WHEN YOU INSTALL THE NUTS ON TO THE BOLTS. DO NOT TURN THE BOLTS OR MAKE TO-AND-FRO MOVEMENTS. THE DISK/INNER AIR SEAL FLANGES CAN BE DAMAGED BY SCORES.

      Install the six work bolts and nuts to safety the air seal on the disk. Tighten the nuts.

    4. Put the stage 6 disk on a rack pallet.

    5. Remove the hoist equipment and the lifting fixture.

    6. Loosen the hand knob and disconnect the single acting ball lock pin. Remove the two halves of the clamping ring from the stage 6 disk.

      .

    16. SUBTASK 72-50-10-030-189 Move the Lifting Ring

    1. Move the lifting ring of the IAE 1M14010 Assembly/Disassembly fixture 1 off from the ''zero - position'' into the ''lifting position'' with the lever.

    17. Figure: Install the Support Fixture and the Locating Disk to the Stage 6 Disk

    Install the Support Fixture and the Locating Disk to the Stage 6 Disk

    Figure: Install the Position Retainer to the Stage 6 Bolts

    Install the Position Retainer to the Stage 6 Bolts

    Figure: Remove the Stage 6 Disk

    Remove the Stage 6 Disk

    Figure: Turn the Stage 6 Disk with the Clamping Ring

    Turn the Stage 6 Disk with the Clamping Ring

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

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 1M14010
Tool Name:IAE 1M14010 Assembly/Disassembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14014
Tool Name:IAE 1M14014 Support fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14030
Tool Name:IAE 1M14030 Assembly trolley
Manufacturer Code:0AM53
Tool Number:IAE 1M14050
Tool Name:IAE 1M14050 Locating disk
Manufacturer Code:0AM53
Tool Number:IAE 1M14053
Tool Name:IAE 1M14053 Torque wrench adapter
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 1M14064
Tool Name:IAE 1M14064 Support bolt
Manufacturer Code:0AM53
Tool Number:IAE 1M14065
Tool Name:IAE 1M14065 Hydraulic basic fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14069
Tool Name:IAE 1M14069 Position retainer
Manufacturer Code:0AM53
Tool Number:IAE 1M14094
Tool Name:IAE 1M14094 Retaining block
Manufacturer Code:0AM53
Tool Number:IAE 1M14096
Tool Name:IAE 1M14096 Special wrench
Manufacturer Code:0AM53
Tool Number:IAE 1M14110
Tool Name:IAE 1M14110 Turnover stand
Manufacturer Code:0AM53
Tool Number:IAE 1M14155
Tool Name:IAE 1M14155 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
Manufacturer Code:LOCAL
Tool Number:Work bench
Tool Name:Work bench