TASK 72-32-80-040-001-A00 LPC Assembly - Disassemble The LPC Cases And Vanes From The Rotor Assembly, Disassembly-001

DMC:V2500-A1-72-32-8000-00B-530A-B|Issue No:001.00|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

V2500-A1

Common Information

TASK 72-32-80-040-001-A00 LPC Assembly - Disassemble The LPC Cases And Vanes From The Rotor Assembly, Disassembly-001

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.

Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-077 APPROVED ENGINE OILS, unless other lubricants are referred to in the procedure.

Discard all rubber seal rings and tab washers removed in this procedure.

The LP compressor booster stage assembly is installed on to IAE 1J13111 LPC storage stand in the TASK 72-32-00-030-006-A00 (DISASSEMBLY-006, CONFIG-001).

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 1J12139 Puller bolt set0AM53IAE 1J121391
IAE 1J13210 LPC holding block0AM53IAE 1J132101
IAE 1J13111 LPC storage stand0AM53IAE 1J13111

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-077 APPROVED ENGINE OILSLOCALCoMat 10-077

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-80-040-051 Remove the Stage 1.5 LP Compressor Blades

    1. Refer to Figure, Figure and Figure.

    2. Move IAE 1J13210 LPC holding block 1 off to the work area.

    3. Remove the counter balance weights from the front face of the LP compressor disk assembly.

    4. Install the three blocks of the LPC holding block on to the LP compressor storage stand. Safety with the six cap screws (part of the LPC holding block).

    5. Remove the four holding supports from the LP compressor booster stage assembly.

    6. Bend back the tabs of the four lock plates.

    7. Push the lock plates inward and press the blades rearward until it is clear of the lock plates.

    8. Remove the lock plates and discard them.

    9. Remove the four blades from which the lock plates were removed.

    10. Move the eight retaining plates around the disk and remove the blades from the disk through the space between the retaining plates.

    11. Do step J. until the retaining plates become disengaged from the disk and the blade grooves.

    2. SUBTASK 72-32-80-040-052 Remove the Front LP Compressor Case and the Stage 1.5 LP Compressor Vane from the Rear LP Compressor Case and the Stage 2.0 LP Compressor Vane Assembly

    1. Refer to Figure and Figure.

    2. Remove the 96 bolts and nuts and the 192 washers from the rear flange of the front case.

    3. Use the four puller bolts (part of IAE 1J12139 Puller bolt set 1 off) to release the front LP compressor case from the rear LP compressor case and the stage 2.0 LP compressor vane assembly.

    4. Remove the stage 1.5 LP compressor vane from the rear LP compressor case and the stage 2.0 LP compressor vane assembly.

    3. SUBTASK 72-32-80-040-053 Remove the Stage 2.0 LP Compressor Blades

    1. Refer to Figure, Figure and Figure.

    2. Bend back the tabs of the four lock plates.

    3. Push the lock plates inward and press the blades rearward until it is clear the lock plates.

    4. Remove the lock plates and discard them.

    5. Remove the four blades from which the lock plates were removed.

    6. Move the eight retaining plates around the disk and remove the blades from the disk through the space between the retaining plates.

    7. Do step F. until the retaining plates becomes disengaged from the disk and the blade grooves.

    4. SUBTASK 72-32-80-040-054 Remove the Stage 2.0 LP Compressor Vane from the LP Compressor

    1. Refer to Figure and Figure.

    2. Remove the rear LP compressor case and stage 2.0 LP compressor vane assembly from the LP compressor stage 1.5, 2 and 2.5 assembly and put them on the work bench with the front end down.

    3. Remove the 49 countershank head screws, washers and nuts from the rear flange of the rear LP compressor case.

    4. Remove the stage 2.0 LP compressor vane assembly from the rear LP compressor case.

    5. SUBTASK 72-32-80-040-055 Remove the Stage 2.5 LP Compressor Blades

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

    2. NOTE

      This step needs two persons. Use clean gloves to protect your hands.

      Move the LP compressor disk and stage 2.5 blade assembly to the work bench with the front flange down.

    3. Remove the LPC holding block from the LPC storage stand.

    4. Bend back the tabs of the four lock plates.

    5. Push the lock plates inward and press the blades forward until it is clear of the lock plates.

    6. Remove the lock plates and discard them.

    7. Remove the four blades from which the lock plates were removed.

    8. Move the eight retaining plates around the disk and remove the blades from the disk through the space between the retaining plates.

    9. Do step H. until the retaining plates become disengaged from the disk and the blade grooves.

    10. Remove the counter balance weights from the rear face of the LP compressor disk.

    6. Figure: Sectional view of the LP Compressor Stage 1.5, 2 and 2.5 Assembly

    Sectional view of the LP Compressor Stage 1.5, 2 and 2.5 Assembly

    Figure: Install the LP Compressor Booster Stage Assembly on to the LPC Holding Block

    Install the LP Compressor Booster Stage Assembly on to the LPC Holding Block

    Figure: Remove the Stage 1.5 and Stage 2 Blades

    Sheet 1

    Legend
    Remove the Stage 1.5 and Stage 2 Blades

    Sheet 1

    Close

    Figure: Remove the Stage 1.5 and Stage 2 Blades

    Sheet 2

    Legend
    Remove the Stage 1.5 and Stage 2 Blades

    Sheet 2

    Close

    Figure: Remove the Stage 2.5 Blades

    Sheet 1

    Legend
    Remove the Stage 2.5 Blades

    Sheet 1

    Close

    Figure: Remove the Stage 2.5 Blades

    Sheet 2

    Legend
    Remove the Stage 2.5 Blades

    Sheet 2

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
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:X333X
Supply Number:CoMat 10-077
Type:sp01
Supply Short Name:CoMat 10-077 APPROVED ENGINE OILS
Supply Name:CoMat 10-077 APPROVED ENGINE OILS
Specification Groups:
Doc NumberType
For V2500-A1/A5/D5 models - Refer to V2500 Service Bulletin ENG-79-0108
For V2500-E5 model - Refer to Service Bulletin E5-79-0001
Suppliers:
ManufacturerRemarks
X333X
Manufacturer Code:0AM53
Tool Number:IAE 1J12139
Tool Name:IAE 1J12139 Puller bolt set
Manufacturer Code:0AM53
Tool Number:IAE 1J13111
Tool Name:IAE 1J13111 LPC storage stand
Manufacturer Code:0AM53
Tool Number:IAE 1J13210
Tool Name:IAE 1J13210 LPC holding block