TASK 71-71-42-300-001 Collector Plate - Weld Repair The Welded Joints In The Tubes, Repair-001 (VRS2723)

DMC:V2500-A0-71-71-4201-00A-627A-C|Issue No:003.00|Issue Date:2016-02-01

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 71-71-42-300-001 Collector Plate - Weld Repair The Welded Joints In The Tubes, Repair-001 (VRS2723)

Effectivity

FIG/ITEM

PART NO.

01-050

740-5682-503

01-050

740-5682-505

01-050

745-5682-501

01-050

745-5682-503

01-050C

745-5682-505

General

This repair can be done on the collector plate assembly during overhaul.

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Collector plate assembly

Stainless steel

Price and availability - not applicable

Make a jig that is the same shape as the collector plate assembly. Use a new or serviceable collector plate assembly as an aid.

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

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Argonarc Welding EquipmentLOCALArgonarc Welding Equipment
Wire BrushLOCALBrush, Wire (stainless steel)

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-204 WELDING FILLER WIRELOCALCoMat 03-204

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 71-71-42-110-053 Clean the Repair Area

      1. Clean the area to be repaired.

    2. SUBTASK 71-71-42-310-051 Repair the Broken Weld

      1. Put the collector plate assembly in the jig.

      1. Put the collector plate assembly in the jig. Make sure that the tube is correctly located.

      2. Repair the weld.

        1. Refer to the SPM TASK 70-31-02-310-501-001.

        2. Make sure that the weld-bead is the same size as the broken weld-bead.

        3. Refer to Welding Data.

          Welding Data

          Type

          Argon-arc DC

          Torch

          BOC W200 or an equivalent

          Electrode

          2 percent thoriated tungsten with a

          0.0625in. (1.59 mm) diameter

    3. SUBTASK 71-71-42-140-051 Clean the repaired weld

      1. Clean the repaired weld.

      1. Use the Wire Brush 1 off to remove the unwanted materials caused by the repair.

    4. SUBTASK 71-71-42-220-051 Examine the Repair

      1. Visually examine the repaired weld.

        1. Refer to the SPM TASK 70-31-02-310-501-001.

        1. Make sure that the weld is complete along the length of the crack.

    5. SUBTASK 71-71-42-230-051 Examine the Repair

      1. Do a dye-penetrant test on the repaired weld.

      1. Refer to the SPM TASK 70-31-02-310-501-001.

    6. SUBTASK 71-71-42-850-051 Put the Repair Scheme Number on the Collector Plate Assembly

      1. Mark the repair scheme number VRS2723 on the collector plate assembly adjacent to the part number with the electro-etch method.

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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added PN 745-5682-505 to the effectivity table. (15VN808)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 03-204
Type:sp01
Supply Short Name:CoMat 03-204 WELDING FILLER WIRE
Supply Name:CoMat 03-204 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
OMAT:306MSRR9500/2 B.S.2901:1970 347 S96/FORM. BSS2901 A8Nb
Suppliers:
ManufacturerRemarks
LOCAL
22994
IE306
Manufacturer Code:LOCAL
Tool Number:Argonarc Welding Equipment
Tool Name:Argonarc Welding Equipment
Manufacturer Code:LOCAL
Tool Number:Brush, Wire (stainless steel)
Tool Name:Wire Brush