TASK 72-60-41-300-014 Angle Gearbox Casing - Repair The Chip Detector Housing Bore By Threaded Insert, Repair-014 (VRS5430).

DMC:V2500-A0-72-60-4101-00A-664A-C|Issue No:004.00|Issue Date:2020-05-01

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 72-60-41-300-014 Angle Gearbox Casing - Repair The Chip Detector Housing Bore By Threaded Insert, Repair-014 (VRS5430).

Effectivity

FIG/ITEM

PART NO.

01-300

4B0256

01-300

4B0354

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Casing

-

Aluminum alloy

Insert

-

Aluminum alloy

General

Price and availability - none

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 PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Grinding MachineLOCALGrinding Machine
Magnifying GlassLOCALMagnifying Glass
Vibrating Marking PencilLOCALVibrating Marking Pencil

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-043 SULFURIC ACID H2SO4LOCALCoMat 01-043
CoMat 01-058 NITRIC ACID HNO3LOCALCoMat 01-058
CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUMLOCALCoMat 07-028
CoMat 10-077 APPROVED ENGINE OILSX333XCoMat 10-077

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Threaded insert4P7299
PackingAS3208-11AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-41-320-053 Machine the Chip Detector Housing Mating Surface

    1. Refer to Figure.

      2. Machine the chip detector housing mating surface.

      1. Remove 0.1575 in. (4 mm) of material.

      2. The perpendicularity of the surface must be within 0.004 in. (0.102 mm) FIR in relation to Diameter S.

      3. Bore surface rough must be 63 microinch. (1.6 micron).

    2. SUBTASK 72-60-41-320-054 Machine the Chip Detector Housing Bore

    1. Refer to Figure.

    2. Machine the chip detector housing bore.

    3. SUBTASK 72-60-41-220-078 Examine the Angle Gearbox Casing

      1. Inspect the casing for cracks in locality of bore.

    4. SUBTASK 72-60-41-330-057 Apply the Chromate Conversion Coating

      1. Apply the chromate conversion coating to the machined surfaces and to the threads.

      1. Refer to the SPM TASK 70-38-02-300-503.

    5. SUBTASK 72-60-41-350-062 Install the Threaded Insert

      1. Lubricate packing AS3208-11 and install it on the groove of the insert.

    2. Install the insert into threaded hole in the angle gearbox casing.

    3. Torque the insert to 53.105 to 70.806 lbfin (6 to 8 Nm).

    6. SUBTASK 72-60-41-350-063 Record the Repair

      1. Vibroengrave 'VRS 5430' adjacent to the part number.

      1. Remove the metal lifted by marking.

    7. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised figure to add diameters and revised procedure. (93VF815)

Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X333X
Enterprise Name:REFER TO V2500 SB ENG-79-0108
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 01-043
Type:sp01
Supply Short Name:CoMat 01-043 SULFURIC ACID H2SO4
Supply Name:CoMat 01-043 SULFURIC ACID H2SO4
Specification Groups:
Doc NumberType
OMAT:1/157 (RR REF)S.G 1.84 ANALAR GRADE
PMC 1003 TECHNICAL GRADE (PW REF)S.G 1.84 ANALAR GRADE
MTH 132 (95%-97%) (MTU REF)S.G 1.84 ANALAR GRADE
389-100025 (FIAT REF)S.G 1.84 ANALAR GRADE
Suppliers:
ManufacturerRemarks
LOCAL
U1185
24853
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 01-058
Type:sp01
Supply Short Name:CoMat 01-058 NITRIC ACID HNO3
Supply Name:CoMat 01-058 NITRIC ACID HNO3
Specification Groups:
Doc NumberType
OMAT:1/158 (RR REF)S.G 1.42
MTH 178 (MTU REF)S.G 1.42
Suppliers:
ManufacturerRemarks
LOCAL
K6835
24853
U1185
Manufacturer Code:LOCAL
Supply Number:CoMat 07-028
Type:sp01
Supply Short Name:CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM
Supply Name:CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM
Specification Groups:
Doc NumberType
DELETED. USE COMAT 01-275
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:X333X
Supply Number:CoMat 10-077
Type:sp01
Supply Short Name:CoMat 10-077 APPROVED ENGINE OILS
Supply Name:CoMat 10-077 APPROVED ENGINE OILS
Specification Groups:
Doc NumberType
For V2500-A1/A5/D5 models - Refer to V2500 Service Bulletin ENG-79-0108
For V2500-E5 model - Refer to Service Bulletin E5-79-0001
Suppliers:
ManufacturerRemarks
X333X
Manufacturer Code:LOCAL
Tool Number:Grinding Machine
Tool Name:Grinding Machine
Manufacturer Code:LOCAL
Tool Number:Magnifying Glass
Tool Name:Magnifying Glass
Manufacturer Code:LOCAL
Tool Number:Vibrating Marking Pencil
Tool Name:Vibrating Marking Pencil
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment