TASK 72-45-24-840-001 HPT Stage 2 Ring Segment And Vane Cluster - Provide New Vanes, Rework-001 - SBE 72-0237

DMC:V2500-A0-72-45-2401-00A-933A-C|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 72-45-24-840-001 HPT Stage 2 Ring Segment And Vane Cluster - Provide New Vanes, Rework-001 - SBE 72-0237

Effectivity

FIG/ITEM

PART NO.

02-130

2A3352

02-350

2A3352

02-260

2A3452

General

You must do the rework on the orifice plates given in TASK 72-45-21-840-002, SBE 72-0236, REWORK 002 (REWORK-002) before or at the same time as you do the rework given in this procedure.

The practices and processes referred to in the procedure by the TASK number are in the SPM.

Refer to the indicated Service Bulletin for specific application requirements.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-45-24-350-086 Machine the Stage 2 HPT Vane Assembly

      1. Set up and machine one hole to 0.075 to 0.081 in. (1.905 to 2.057 mm) diameter.

      1. You can use the electrodischarge machining method given in the SPM TASK 70-32-03-320-501.

        Refer to Figure and Figure.

      2. Finish machine the hole.

      1. Use electrochemical or electrodischarge metal removal.

        Refer to the SPM TASK 70-32-03-320-501.

    2. SUBTASK 72-45-24-280-061 Do an Airflow Check on the Stage 2 HPT Vane Assemblies

      1. Flow check passage EY in the direction shown with area EZ and the leading edge shower head (four rows total) holes blocked by the procedure specified.

      1. Refer to Figure and TASK 72-45-24-200-002-D00 (INSPECTION-002, CONFIG-004).

    3. SUBTASK 72-45-24-350-087 Identify the Stage 2 HPT Vane Assemblies with the New Part Number

      1. Identify the vane assemblies with the new part number. Make a mark adjacent to the old part number to show the new part number. Use the vibration peen method.

      1. NUMBER BEFORE - 2A3352.

        NEW NUMBER - 2A3832.

        NUMBER BEFORE - 2A3452.

        NEW NUMBER - 2A3842.

        Refer to the SPM TASK 70-09-00-400-501.

    4. SUBTASK 72-45-24-350-088 Assemble the Stage 2 HPT Ring Segment and Vane Cluster Assembly

      1. Assemble the ring segment and vane cluster assembly.

      1. Refer to Repair, VRS3318 TASK 72-45-24-300-018 (REPAIR-018).

    5. SUBTASK 72-45-24-350-089 Identify the Stage 2 HPT Ring Segment and Vane Assembly with the New Part Number

      1. Identify the ring segment and vane assembly with the new part number. Make a mark adjacent to the old part number to show the new part number. Use the vibration peen method.

      1. NUMBER BEFORE - 2A3372.

        NEW NUMBER - 2A3812.

        NUMBER BEFORE - 2A3472.

        NEW NUMBER - 2A3822.

        Refer to the SPM TASK 70-09-00-400-501.

    6. SUBTASK 72-45-24-350-090-A00 Assemble the HP Turbine Case and Vane Assembly (with Intermixed Ring Segment and Vane Cluster Assemblies) and Identify with the New Part Number

      NOTE

      Is is permissible to intermix ring segment and vane cluster assemblies 2A3372 with 2A3812 and 2A3472 with 2A3822.

      1. Assemble the case and vane assembly.

      1. Refer to TASK 72-45-20-440-002-B00 (ASSEMBLY-002, CONFIG-002).

      2. Identify the new case and vane assembly. Make a mark adjacent to the old part number to show the new part number. Use the vibration peen method.

      1. NUMBER BEFORE - 2A3215.

        NEW NUMBER - 2A3215-001.

        Refer to the SPM TASK 70-09-00-400-501.

    7. SUBTASK 72-45-24-350-090-B00 Assemble the HP Turbine Case and Vane Assembly and Identify with the New Part Number

      NOTE

      Do this procedure when you use only ring segment and vane cluster assemblies 2A3812 and 2A3822.

      1. Assemble the case and vane assembly.

      1. Refer to TASK 72-45-20-440-002-B00 (ASSEMBLY-002, CONFIG-002).

      2. Identify the new case and vane assembly. Make a mark adjacent to the old part number to show the new part number. Use the vibration peen method.

      1. NUMBER BEFORE - 2A3215.

        NEW NUMBER - 2A3219.

        Refer to the SPM TASK 70-09-00-400-501.

    8. Figure: Location of the stage 2 HPT vane assemblies

    Location of the stage 2 HPT vane assemblies

    Figure: Modification of the stage 2 HPT vane assemblies

    Modification of the stage 2 HPT vane assemblies

    Figure: Modification of the stage 2 HPT vane assemblies

    Modification of the stage 2 HPT vane assemblies

Requirements After Job Completion

Follow-On Conditions

NONE