TASK 75-31-42-300-005 LPC Bleed Master Actuator - Related Parts - Weld Repair Cracks To The LPC Bleed Master Actuator Bracket Assembly, Repair-005 (VRS6627)

DMC:V2500-A0-75-31-4200-00A-627A-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 75-31-42-300-005 LPC Bleed Master Actuator - Related Parts - Weld Repair Cracks To The LPC Bleed Master Actuator Bracket Assembly, Repair-005 (VRS6627)

Effectivity

FIG/ITEM

PART NO.

01-200

6A4368

01-200

6A4369

01-200

6A7375

01-200

6A7374

Material of component

PART IDENT

SYMBOL

MATERIAL

LPC Bleed Master Actuator Bracket Assembly

EAK

Modified 12 percent Chromium Steel

EBQ

11 percent Chromium 1 percent Molybdenum Steel

General

This Repair must only be done when the instruction to do so is given in 75-31-42 Inspection/Check.

The practices and processes referred to in the procedures by the TASK/SUBTASK numbers, are in the SPM.

Price and availability.

Refer to International Aero Engines.

Related repairs.

LPC Bleed Master Actuator Bracket Assembly - Replace Surface Protection, refer to VRS6628, (Repair-006) TASK 75-31-42-300-006.

Equivalent materials or equipment can be used.

More equipment and materials necessary to do this Repair are in the SPM TASKS given below:

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Standard Workshop EquipmentLOCALStandard Workshop Equipment
Argon-arc welding equipmentLOCALArgon-arc welding equipment
Heat-treat equipmentLOCALHeat-treat equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment
Vibro-engraving equipmentLOCALVibro-engraving equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-181 WELDING WIRE 12% Cr. STEELLOCALCoMat 03-181
CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)37676CoMat 06-018
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-31-42-110-053 Chemically Remove the Paint

      1. Remove the paint from the LPC Bleed Master Actuator Bracket Assembly.

      1. Refer to SPM TASK 70-11-05-300-503.

    2. SUBTASK 75-31-42-220-069 Examine the Bracket

    1. Refer to Figure.

      2. Visually examine the area(s) to be welded.

      1. Make sure the paint has been completely removed from the weld area(s).

    3. SUBTASK 75-31-42-110-054 Chemically Clean

      1. Chemically clean the LPC Bleed Master Actuator Bracket Assembly. Refer to SPM TASK 70-11-03-300-503, SUBTASK 70-11-03-300-002.

    4. SUBTASK 75-31-42-350-052 Prepare the Bracket for Welding

    1. Refer to Figure.

      2. Lightly vee-groove the area(s) for welding.

    5. SUBTASK 75-31-42-110-055 Clean the Area(s) to be Welded

    1. Refer to Figure.

      2. Chemically clean the area(s) to be welded. Refer to SPM TASK 70-31-02-310-501-001, SUBTASK 70-31- 02-120-001.

    6. SUBTASK 75-31-42-310-051 Weld the Bracket

    1. Refer to Figure.

      2. CAUTION

        DO NOT USE COPPER, ALUMINUM AND/OR ZINC BASE ALLOY TOOLS TO HOLD THE COMPONENT.

        Weld the crack(s) in the LPC Bleed Master Actuator Bracket Assembly. Refer to SPM TASK 70-31-02-310-501-001.

    7. SUBTASK 75-31-42-370-051 Heat-treat the Bracket

      1. Heat-treat the LPC Bleed Master Actuator Bracket Assembly. Refer to SPM TASK 70-31-02-310-501-004.

      2. Heat-treat data

      1. Heat to a temperature of 1202 deg F (650 deg C) and hold for 30 minutes.

      2. Cool down to room temperature in air.

    8. SUBTASK 75-31-42-230-053 Do a Crack Test

    9. SUBTASK 75-31-42-110-056 Chemically Clean

      1. Chemically clean the repaired area(s) to remove fluorescent penetrant. Refer to SPM TASK 70-11-26-300-503.

    10. SUBTASK 75-31-42-220-070 Examine the Bracket

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the LPC Bleed Master Actuator Bracket Assembly.

      1. Check the bracket to make sure that critical dimensions are kept.

    11. SUBTASK 75-31-42-350-053 Identify the Repair

    1. Refer to Figure.

      2. Mark a mark VRS6627 and a code symbol adjacent to the part number. Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400- 001.

      1. NOTE

        The code symbol tells you the area(s) that have been repaired.

    12. 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:37676
Enterprise Name:ITW MAGNAFLUX
BU Name:MAGNAFLUX CORPORATION
Street:155 HARLEM AVE
City:GLENVIEW
State:IL
Zip Code:60025
Country:USA
Phone Number:1-847-657-5300
Fax Number:1-847-867-5388
Internet:www.magnaflux.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 03-181
Type:sp01
Supply Short Name:CoMat 03-181 WELDING WIRE 12% Cr. STEEL
Supply Name:CoMat 03-181 WELDING WIRE 12% Cr. STEEL
Specification Groups:
Doc NumberType
MSRR9500/10JETHETE M190 AMS 5823 AMS 5822
OMAT:3/54JETHETE M190 AMS 5823 AMS 5822
Suppliers:
ManufacturerRemarks
LOCAL
IE306
2R602
IE441
Manufacturer Code:X222X
Supply Number:CoMat 06-018
Type:sp01
Supply Short Name:CoMat 06-018FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Supply Name:CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐018 letter suffix material with other CoMat 06‐018 letter suffix materials. Where CoMat 06‐018 is specified with no suffix, use one of the CoMat 06‐018 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Argon-arc welding equipment
Tool Name:Argon-arc welding equipment
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Heat-treat equipment
Tool Name:Heat-treat equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Standard Workshop Equipment
Tool Name:Standard Workshop Equipment
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment