TASK 79-22-49-300-001 Engine Scavenge Oil Tubes - Blend Repair The Surface Damage, Repair-001 (VRS1700)

DMC:V2500-A0-79-22-4900-02A-649A-C|Issue No:004.00|Issue Date:2019-11-01

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

V2500-A5

Common Information

TASK 79-22-49-300-001 Engine Scavenge Oil Tubes - Blend Repair The Surface Damage, Repair-001 (VRS1700)

Effectivity

FIG/ITEM

PART NO.

02-100

5A9085

02-500

5A9086

04-100

5A9083

04-500

5A9084

05-100

5A8573

07-100

5A8751

07-500

5A8750

10-100

5A8748

10-100

6B1584

10-500

5A9088

10-500

5A8790

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Tube assembly

Corrosion resistant steel

General

Price and availability.

Refer to IAE for any of these items.

Tools.

Repair parts.

Repair of spares.

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 Consumable Materials Index.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent penetrant inspection equipmentLOCALFluorescent Penetrant Inspection Equipment
Local Etching EquipmentLOCALLocal Etching Equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-099 HYDROCHLORIC ACIDK6835CoMat 01-099
CoMat 01-103 FERRIC CHLORIDE HEXAHYDRATEK6835CoMat 01-103
CoMat 05-020 WATERPROOF SILICON CARBIDELOCALCoMat 05-020
CoMat 05-021 WATERPROOF SILICON CARBIDE44197CoMat 05-021

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-22-49-350-051 Remove the Nicks, Galls, Scores and/or Pick-up from the Tube Assembly

      1. Make smooth and/or hand polish to remove the nicks, galls, scores and/or pick-up.

      2. Surface finish of the repair must be the same as the adjacent area. Refer to Figure, Figure, Figure, Figure, Figure and Figure. Refer to SPM TASK 70-35-03-300-501.

    2. SUBTASK 79-22-49-230-062 Examine the Tube Assembly

      1. Visually examine the repaired area.

      1. Visually examine the repaired area for nicks, galls, scores and/or pick-up using 10X magnifying glass.

      2. If blended areas exceeds the blend limit given in Figure, Figure, Figure, Figure, Figure and Figure. refer to Repair-001, VRS 7001, SPM TASK 70-35-24-300-501.

    3. SUBTASK 79-22-49-110-058 Make-Up of the Local Etch Solution

      1. Prepare the Local Etch Solution.

      1. Refer to SPM TASK 70-11-39-100-501.

      2. Use Local Etching Equipment.

    4. SUBTASK 79-22-49-110-059 Do a Local Etching

      1. CAUTION

        ETCHING TIME REQUIRED 210 TO 220 SECONDS.

        Apply the Etch Solution on blended areas.

      1. Refer to SPM TASK 70-11-39-300-503.

        Etching time required 210 to 220 seconds.

      2. Use Local Etching Equipment.

    5. SUBTASK 79-22-49-230-063 Examine the Tube Assembly for Cracks

      1. Fluorescent penetrant examine the repaired area.

      1. Make sure there are no cracks in the repaired area.

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

    6. 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

    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
Change Type:

Added new subtask per VRS1700/C0 (EC 18VU502)

Manufacturer Code:44197
Enterprise Name:SAINT-GOBAIN INDUSTRIAL CERAMICS INC.
BU Name:SAINT-GOBAIN ABRASIVES, INC
Street:ONE NEW BOND STREET
P.O. Box:PO BOX 15008
City:WORCESTER
State:MA
Zip Code:01615-0008
Country:USA
Phone Number:1-508-795-5000
Fax Number:1-508-795-2828
Internet:www.saint-gobain-northamerica.com
Manufacturer Code:K6835
Enterprise Name:MED-LAB LTD
BU Name:MED-LAB LTD
Street:COPELAND ST
City:DERBY
Zip Code:DE1 2PU
Country:GREAT BRITAIN
Phone Number:44-1332-349094
Fax Number:44-1332-371237
Email:sales@med-lab.co.uk
Internet:www.med-lab.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:K6835
Supply Number:CoMat 01-099
Type:sp01
Supply Short Name:CoMat 01-099 HYDROCHLORIC ACID
Supply Name:CoMat 01-099 HYDROCHLORIC ACID
Specification Groups:
Doc NumberType
20 degree BAUME TECHNICAL GRADEPMC 1002 (PW REF)
Suppliers:
ManufacturerRemarks
K6835
IE272
24853
70657
LOCAL
Manufacturer Code:K6835
Supply Number:CoMat 01-103
Type:sp01
Supply Short Name:CoMat 01-103 FERRIC CHLORIDE HEXAHYDRATE
Supply Name:CoMat 01-103 FERRIC CHLORIDE HEXAHYDRATE
Specification Groups:
Doc NumberType
TECHNICAL GRADE: LUMPED FeCl3.6H20OMAT: 123B (RR REF)
PMC 9726-1 (PW REF)
MTH 190 (MTU REF)
Suppliers:
ManufacturerRemarks
K6835
70657
LOCAL
Manufacturer Code:1E1X8
Supply Number:CoMat 05-020
Type:sp01
Supply Short Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/33 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 320 (ANSI B74.18)
JCR-027 (JAEC REF)
JCR-186 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-021
Type:sp01
Supply Short Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/35 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 240 (ANSI B74.18 )
JCR-188 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
LOCAL
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