TASK 72-40-00-030-005 HP System Module - Remove The Diffuser Case Assembly, Disassembly-005

DMC:V2500-A0-72-40-0000-07A-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

All

Common Information

TASK 72-40-00-030-005 HP System Module - Remove The Diffuser Case Assembly, 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.

Remove the combustion system with the HP system module installed in the workshop stand. The procedure for the installation of the HP system module in to the workshop stand is given in TASK 72-00-40-020-002-A00 and TASK 72-00-40-020-002-B00 (REMOVAL-002, CONFIG-001, CONFIG-002)

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.

NOTE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 1P16004 Handling bracket0AM53IAE 1P160042
IAE 1P16005 Build stand0AM53IAE 1P160051
IAE 1P16104 Cover0AM53IAE 1P161041
IAE 1P16107 cover0AM53IAE 1P161071
IAE 1P16108 cover0AM53IAE 1P161081
IAE 1P16122 Installation fixture0AM53IAE 1P161221

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-40-00-030-080 Remove the Stage 1 Turbine Nozzle Assembly

    1. Refer to TASK 72-40-00-030-002 (DISASSEMBLY-002).

    2. SUBTASK 72-40-00-030-081 Remove the Cover

    1. Remove the IAE 1P16104 Cover.

    3. SUBTASK 72-40-00-030-082 Remove the No. 4 Bearing Compartment Parts

    1. Refer to TASK 72-40-00-030-004 (DISASSEMBLY-004, Pages-501).

    4. SUBTASK 72-40-00-030-083 Attach the Fixture to the Combustion System

    1. Refer to Figure.

    2. Make sure the IAE 1P16104 Cover 1 off is in position.

    3. Attach a hoist to the eyebolt detail of the IAE 1P16122 Installation fixture 1 off. Lift the fixture over the combustion system.

    4. Lower the fixture over the HPC rear hub. Align the hole in the fixture flange with the dowel pin in the inner flange of the diffuser case assembly.

    5. Attach the fixture to the flange with the 15 work bolts.

    5. SUBTASK 72-40-00-030-084-A00 V2500-A1: Remove the Combustion System from the HP Compressor Assembly

    1. Remove the 114 nuts and bolts at the front flange of the diffuser case assembly. Remove the brackets, refer to Figure, Figure, Figure and Figure.

    2. Remove the two bolts which hold the fuel distribution valve to the bracket on the HPC flange J.

    3. Lift the diffuser and combustion group away from the HP compressor assembly.

    6. SUBTASK 72-40-00-030-084-B00 V2500-A5: Remove the Combustion System from the HP Compressor Assembly

    1. Remove the 114 nuts and bolts at the front flange of the diffuser case assembly. Remove the brackets, refer to Figure, Figure, Figure, Figure.

    2. Remove the two bolts which hold the fuel distribution valve to the bracket on the HPC flange J.

    3. Lift the diffuser and combustion group away from the HP compressor assembly.

    7. SUBTASK 72-40-00-030-085 Install the Handling Brackets on to the Front Flange of the Diffuser Case Assembly

    1. Install the IAE 1P16004 Handling bracket 2 off on the front flange of the diffuser case assembly 90 degrees either side of the locating pin in the front flange.

    2. Attach the brackets with the five screws. Install the screws from the rear of the diffuser case flange.

    8. SUBTASK 72-40-00-030-086 Install the Combustion System on to the Build Stand

    1. Refer to Figure.

    2. CAUTION

      MAKE SURE THE BALL-LOCK PIN ENGAGES THE LOCKING DISK TO KEEP THE BUILD STAND STABLE.

      Attach the IAE 1P16004 Handling bracket 2 off to the IAE 1P16005 Build stand 1 off with the eight work bolts, Figure.

    3. Remove the 15 bolts from the IAE 1P16122 Installation fixture 1 off and move the fixture away from the combustion system.

    4. Install the IAE 1P16107 cover 1 off over the threaded part of the No. 4 bearing support.

    5. CAUTION

      MAKE SURE TWO PERSONS TURN THE COMBUSTION SYSTEM.

      Turn the combustion system so the front flange is up.

    6. Install the IAE 1P16108 cover 1 off in the ID of the No. 4 bearing cooling duct.

    9. SUBTASK 72-40-00-030-088-A00 V2500-A1: Remove the Heatshield and the Static Seal Assembly (Pre SBE 72-0143)

    1. NOTE

      This SUBTASK is only to be completed if the diffuser case is not to be overhauled.

      Refer to Figure.

    2. Remove the IAE 1P16108 cover from the ID of the No. 4 bearing cooling duct.

      3. Remove the heatshield.

      1. Remove the 10 bolts that secure the heatshield to the diffuser case.

      2. Remove the heatshield.

      4. Remove the static seal assembly.

      1. Remove the 20 bolts that secure the static seal assembly to the diffuser case.

      2. Install the six work bolts into the six jack screw holes in the static seal assembly.

      3. Turn each bolt one turn in sequence.

      4. Do step (3) again until the static seal assembly is free.

      5. NOTE

        Submit the static seal assembly to TASK 72-42-50-200-000 for Inspection.
        Make sure that the OGV case surface is free from damage.

        Remove the static seal assembly.

    5. Install the IAE 1P16108 cover 1 off in the ID of the No. 4 bearing cooling duct.

    10. SUBTASK 72-40-00-030-088-B00 V2500-A1: Remove the Static Seal Assembly (SBE 72-0143)

    1. NOTE

      This SUBTASK is only to be completed if the diffuser case is not to be overhauled.

      Refer to Figure.

    2. Remove the IAE 1P16108 cover from ID of the No. 4 bearing cooling duct.

      3. Remove the static seal assembly.

      1. Remove the 30 bolts that secure the static seal assembly to the diffuser case.

      2. Install the six work bolts into the six jack screw holes in the static seal assembly.

      3. Turn each bolt one turn in sequence.

      4. Do step (3) again until the static seal assembly is free.

      5. NOTE

        Submit the static seal assembly to TASK 72-42-50-200-000 for Inspection.
        Make sure that the OGV case surface is free from damage.

        Remove the static seal assembly.

    4. Install the IAE 1P16108 cover 1 off in the ID of the No. 4 bearing cooling duct.

    11. SUBTASK 72-40-00-030-088-C00 V2500-A5: Remove the Static Seal Assembly

    1. NOTE

      This SUBTASK is only to be completed if the diffuser case is not to be overhauled.

      Refer to Figure

    2. Remove the IAE 1P16108 cover from the ID of the No. 4 bearing cooling duct.

      3. Remove static seal assembly.

      1. Remove the 30 bolts that secure the static seal assembly to the diffuser case.

      2. Install the six work bolts into the six jackscrew holes in the static seal assembly.

      3. Turn each bolt one turn in sequence.

      4. Do step (3) again until the static seal assembly is free.

      5. NOTE

        Submit the static seal assembly to TASK 72-42-50-200-000 for Inspection.
        Make sure that the OGV case surface is free from damage.

        Remove the static seal assembly.

    4. Install the IAE 1P16108 cover 1 off in the ID of the No. 4 bearing cooling duct.

    12. Figure: Attach the IAE 1P16122 fixture to the combustion system

    Attach the IAE 1P16122 fixture to the combustion system

    Figure: Install the combustion system in to the IAE 1P16005 build stand

    Install the combustion system in to the IAE 1P16005 build stand

    Figure: V2500-A1: Remove the heatshield and the static seal

    Sheet 1

    Legend
    V2500-A1: Remove the heatshield and the static seal

    Sheet 1

    Close

    Figure: V2500-A5: Remove the static seal assembly

    Sheet 2

    Legend
    V2500-A5: Remove the static seal assembly

    Sheet 2

    Close

    Figure: V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 1

    Legend
    V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 1

    Close

    Figure: V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 2

    Legend
    V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 2

    Close

    Figure: V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 3

    Legend
    V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 3

    Close

    Figure: V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 4

    Legend
    V2500-A1: Remove the brackets from the HP diffuser case front flange

    Sheet 4

    Close

    Figure: V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 1

    Legend
    V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 1

    Close

    Figure: V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 2

    Legend
    V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 2

    Close

    Figure: V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 3

    Legend
    V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 3

    Close

    Figure: V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 4

    Legend
    V2500-A5: Remove the brackets from the HP diffuser case front flange

    Sheet 4

    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:0AM53
Tool Number:IAE 1P16004
Tool Name:IAE 1P16004 Handling bracket
Manufacturer Code:0AM53
Tool Number:IAE 1P16005
Tool Name:IAE 1P16005 Build stand
Manufacturer Code:0AM53
Tool Number:IAE 1P16104
Tool Name:IAE 1P16104 Cover
Manufacturer Code:0AM53
Tool Number:IAE 1P16107
Tool Name:IAE 1P16107 cover
Manufacturer Code:0AM53
Tool Number:IAE 1P16108
Tool Name:IAE 1P16108 cover
Manufacturer Code:0AM53
Tool Number:IAE 1P16122
Tool Name:IAE 1P16122 Installation fixture