TASK 75-24-49-300-055 LPT ACC Support Assemblies - Replace The Rear Flange, Repair-055 (VRS4591)

DMC:V2500-A0-75-24-4915-07A-920A-C|Issue No:001.00|Issue Date:2014-05-01

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 75-24-49-300-055 LPT ACC Support Assemblies - Replace The Rear Flange, Repair-055 (VRS4591)

Effectivity

FIG/ITEM

PART NO.

02-720

3A1752

Material of component

PART IDENT

IAE SYMBOL

MATERIAL

Support assembly

C263

General

Price and availability - none

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

Before repair remove the half loop clamps, the blind rivets or the self locking nuts, refer to Repair, VRS4025 (Repair-016) TASK 75-24-49-300-016.

After repair replace the half loop clamps, the blind rivets or the self locking nuts, refer to Repair, VRS4025 (Repair-016) TASK 75-24-49-300-016.

NOTE

For more equipment and materials necessary to do this repair, refer to:
SPM TASK 70-11-03-300-503.
SPM TASK 70-23-05-230-501.
SPM TASK 70-31-13-310-501.
SPM TASK 70-37-00-370-501.
Equivalent equipment can be used.

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

Local manufacture the replacement rear flange, refer to Figure. Use WL2.4650.7 (C263) material per WL2.4650T1.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-184 WELDING FILLER WIRE, NICKELLOCALCoMat 03-184
CoMat 03-387 WELDING FILLER WIRELOCALCoMat 03-387

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Replacement rear flange0AM53Replacement rear flange

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-24-49-326-009 Cut off the Damaged Rear Flange

    1. Refer to Figure.

    2. Cut off the damaged rear flange.

    2. SUBTASK 75-24-49-310-093 Prepare the Replacement Rear Flange

    1. Refer to Figure.

    2. Prepare the replacement rear flange.

    3. SUBTASK 75-24-49-110-142 Clean the Surfaces to be Welded

    1. Aqueous cleaning.

    4. SUBTASK 75-24-49-310-094-001 Weld in the Replacement Rear Flange

    1. Refer to Figure.

      2. Gas tungsten arc weld the replacement flange to the support assemblies.

      1. Refer to SPM TASK 70-31-13-310-501.

    5. SUBTASK 75-24-49-310-094-002Weld in the Replacement Rear Flange

    1. Refer to Figure.

      2. Plasma arc weld the replacement flange to the support assemblies.

      1. Refer to SPM TASK 70-31-13-310-501.

    6. SUBTASK 75-24-49-320-073 Dress the Welded Areas

    1. CAUTION

      DO NOT OVERHEAT THE AREAS TO BE DRESSED.

      Refer to Figure.

      2. Dress the welds.

      1. Welded areas must be equal to the original contours and must be flush with the adjacent surfaces.

    7. SUBTASK 75-24-49-370-076 Heat Treatment after Weld Repair

      1. Heat treat the support assembly.

      1. Refer to SPM TASK 70-37-00-370-501.

      2. Put the part in an oven for two hours +/- 15 minutes at 1450 to 1500 deg F (788 to 816 deg C).

      3. Use argon or vacuum.

      4. Cooling rate equivalent to air cooling.

    8. SUBTASK 75-24-49-230-173 Examine the Welded Areas for Cracks

      1. Do the test for cracks.

      1. Refer to SPM TASK 70-23-05-230-501.

      2. Use medium sensitivity level. No cracks are permitted.

    9. SUBTASK 75-24-49-220-252 Examine the Welded Areas

    1. Refer to Figure.

    2. Examine dimensionally.

    10. Figure: Repair Details And Dimensions

    Repair Details And Dimensions

    Figure: Repair Details And Dimensions

    Repair Details And Dimensions

    Figure: Repair Details And Dimensions

    Repair Details And Dimensions

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
Link not Found
Manufacturer Code:0XPV7
Supply Number:CoMat 03-184
Type:sp01
Supply Short Name:CoMat 03-184 WELDING FILLER WIRE, NICKEL
Supply Name:CoMat 03-184 WELDING FILLER WIRE, NICKEL
Specification Groups:
Doc NumberType
MSRR9500/16C-263
OMAT:3/62C-263
Suppliers:
ManufacturerRemarks
0XPV7
28553
2R602
80357
IE306
K6970
Manufacturer Code:LOCAL
Supply Number:CoMat 03-387
Type:sp01
Supply Short Name:CoMat 03-387 WELDING FILLER WIRE
Supply Name:CoMat 03-387 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
C-263 AMS 5966 (was PWA 1087)
Suppliers:
ManufacturerRemarks
LOCAL
2R602
58401