TASK 72-42-36-300-003 No. 4 Bearing Housing Front Heatshield - Weld Repair Cracks, Repair-003 (VRS3661)

DMC:V2500-A0-72-42-3600-00A-627A-C|Issue No:002.00|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 72-42-36-300-003 No. 4 Bearing Housing Front Heatshield - Weld Repair Cracks, Repair-003 (VRS3661)

Effectivity

FIG/ITEM

PART NO.

01-010

2A1330

Material of component

PART IDENT

IAE

SYMBOL

MATERIAL

No. 4 bearing front heatshield

-

AMS5596 Nickel Alloy

General

Price and availability - none

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

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Fusion welding equipmentLOCALFusion welding equipment
Machining equipmentLOCALMachining equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-284 WELDING FILLER WIRE, NiBASELOCALCoMat 03-284

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-36-320-003 Prepare the Cracks for Welding

      CAUTION

      THERE ARE NO RESTRICTIONS ON THE NUMBER OF WELDS OR THEIR LOCATION EXCEPT WELDS MUST NOT INTERSECT OPENINGS. WELDS MUST BE FINISHED WHEN THEY INTERSECT DIAMETER G FOR THE DISTANCES M AND N.

    1. Rout out cracks.

    2. SUBTASK 72-42-36-110-056 Clean the No. 4 Bearing Front Heatshield

      1. Clean the heatshield.

      1. Refer to the SPM TASK 70-11-03-300-503.

      2. Wipe the repair area just before you weld it.

      1. Refer to the SPM TASK 70-11-26-300-503.

    3. SUBTASK 72-42-36-310-002 Weld Repair the Cracks in the Heatshield

      1. Manually gas tungsten arc weld the repair area.

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

        Apply sufficient material to make sure you can meet the finish dimensions.

    4. SUBTASK 72-42-36-370-002 Stress-Relieve the Heatshield

      1. Stress-relieve heatshield.

      1. Refer to the SPM TASK 70-37-01-370-501.

    5. SUBTASK 72-42-36-320-004 Machine the Repaired Area

      1. Machine the repaired area to the finish dimensions.

      1. Refer to Figure.

        Make sure the weld repaired area and the existing adjacent surface are flush.

    6. SUBTASK 72-42-36-110-057 Clean the Heatshield

      1. Clean the heatshield after finish machining.

      1. Refer to the SPM TASK 70-11-03-300-503.

    7. SUBTASK 72-42-36-230-053 Fluorescent Penetrant Inspect the Repaired Area of the Heatshield

      1. FPI the repaired area of the heatshield.

      1. Refer to the SPM TASK 70-23-01-230-501.

        No cracks are permitted.

    8. SUBTASK 72-42-36-220-055 Inspect the Heatshield

      1. Inspect the heatshield after repair.

    9. SUBTASK 72-42-36-350-002 Identify the Repair

      1. Make a mark VRS3661 on the repaired heatshield adjacent to the part number.

      1. Make a permanent mark by the procedure given in the SPM TASK 70-09-00-400-501.

        Remove high metal caused by marking the number.

    10. Figure: Weld Repair Cracks in the No. 4 Bearing Heatshield

    Weld Repair Cracks in the No. 4 Bearing Heatshield

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 03-284
Type:sp01
Supply Short Name:CoMat 03-284 WELDING FILLER WIRE, Ni BASE
Supply Name:CoMat 03-284 WELDING FILLER WIRE, NiBASE
Specification Groups:
Doc NumberType
INCONEL 718 AMS 5832 AWS 5.14 MSRR9500/220
INCONEL 718 AMS 5832 AWS 5.14CLASS ER NI FE Cr-2 OMAT:3/206
INCONEL 718 AMS 5832 AWS 5.14CLASS ER NI FE Cr-2
Suppliers:
ManufacturerRemarks
LOCAL
28553
IE137
08489
IE508
0ZDB5
2R602
55596
58401
80357
K6835
Manufacturer Code:LOCAL
Tool Number:Fusion welding equipment
Tool Name:Fusion welding equipment
Manufacturer Code:LOCAL
Tool Number:Machining equipment
Tool Name:Machining equipment