TASK 72-40-00-030-002 HP System Module - Remove The HPT Stage 1 Nozzle Assembly (Vertical) - Method 2, Disassembly-002

DMC:V2500-A0-72-40-0000-04A-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 72-40-00-030-002 HP System Module - Remove The HPT Stage 1 Nozzle Assembly (Vertical) - Method 2, Disassembly-002

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 stage 1 turbine nozzle assembly 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 72-00-40-560-003 (REMOVAL-008).

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

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
Jackscrews, 0.250-28LOCALJackscrews, 0.250-28

(8 off)

IAE 1P16077 Fixture0AM53IAE 1P160771
IAE 1P16111 cover0AM53IAE 1P161111
IAE 1P16112 cover0AM53IAE 1P161121
IAE 1P16109 cover0AM53IAE 1P16109

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-40-00-030-059 Remove the HP Turbine Assembly

    1. Refer to TASK 72-40-00-030-001-A00 (DISASSEMBLY-001, CONFIG-001) or TASK 72-40-00-030-001-B00 (DISASSEMBLY-001, CONFIG-002).

    2. SUBTASK 72-40-00-030-060 Remove the HPT Cooling Duct Assembly Bolts

    1. Refer to Figure.

    2. Remove the IAE 1P16109 cover 1 off from the stage 1 HPT support assembly.

    3. Install the IAE 1P16112 cover 1 off over the trailing edges of the stage 1 HPT vane cluster assemblies, Figure.

    4. Install the IAE 1P16111 cover 1 off over the stage 1 HPT cooling duct assembly.

    5. Remove the 30 bolts that attach the cooling duct assembly to the diffuser case assembly at the inner flange. Refer to Figure. and Figure.

    6. Remove the covers.

    3. SUBTASK 72-40-00-030-061 Install the Fixture on to the Stage 1 HPT Support Assembly

    1. Refer to Figure.

    2. Attach a three cable sling to the three eyes on the IAE 1P16077 Fixture 1 off.

    3. Connect the sling to a hoist.

    4. Loosen the bolts in the ring segments and move the ring segments to the outer position.

    5. Position the fixture behind the stage 1 HPT support assembly.

      6. Attach the fixture to the support assembly.

      1. Put the top plate at the 12 o'clock position, 180 degrees from the offset hole in the outer flange of the diffuser case assembly.

      2. Engage the dowel pins in the two bolt holes in the outer flange of the diffuser case assembly.

      3. Move the ring segments to the center and below the flange of the cooling duct assembly.

      4. Look through the slots in the fixture and see if the ring segments are in the correct position.

      5. Tighten the three nuts at each location until the ring segmnets are tight.

    4. SUBTASK 72-40-00-030-062 Remove the Stage 1 Turbine Nozzle Assembly

    1. Refer to Figure.

    2. Install the eight jackscrews in the outer flange of the diffuser case assembly.

    3. Tighten the jackscrews to loosen the tight fit. Apply an equal amount of force all around the flange to disengage the parts smoothly.

    4. Remove the stage 1 turbine nozzle assembly with the hoist and the sling.

    5. Lower the assembly on to a pallet.

    6. Remove the jackscrews from the outer flange of the diffuser case assembly.

    7. Remove the fixture from the assembly.

    5. Figure: IAE 1P16109 cover

    IAE 1P16109 cover

    Figure: IAE 1P16111 and IAE 1P16112 covers installation

    IAE 1P16111 and IAE 1P16112 covers installation

    Figure: Stage 1 turbine nozzle assembly removal tools

    Stage 1 turbine nozzle assembly removal tools

    Figure: Stage 1 turbine nozzle assembly removal

    Stage 1 turbine nozzle assembly removal

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:0AM53
Tool Number:IAE 1P16077
Tool Name:IAE 1P16077 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P16109
Tool Name:IAE 1P16109 cover
Manufacturer Code:0AM53
Tool Number:IAE 1P16111
Tool Name:IAE 1P16111 cover
Manufacturer Code:0AM53
Tool Number:IAE 1P16112
Tool Name:IAE 1P16112 cover
Manufacturer Code:LOCAL
Tool Number:Jackscrews, 0.250-28
Tool Name:Jackscrews, 0.250-28