TASK 72-41-13-300-007 HPC Rear Shaft Heatshield Nut And Washer - Repair The Nut By Silver Plating Replacement - Repair-007(VRS6372)

DMC:V2500-A0-72-41-1303-00A-609A-C|Issue No:001.00|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 72-41-13-300-007 HPC Rear Shaft Heatshield Nut And Washer - Repair The Nut By Silver Plating Replacement - Repair-007(VRS6372)

Effectivity

FIG/ITEM

PART NO.

01-872

UP10896

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Shaft ring nut

QMQ

Nickel based alloy

General

This Repair must only be done when the instruction to do so is given in 72-41-13 Inspection.

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

For safety precautions refer to the SPM TASK 70-33-00-330-501.

Price and availability

Refer to International Aero Engines

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in the SPM TASKS given below:
SPM TASK 70-23-02-230-501
SPM TASK 70-11-24-300-503
SPM TASK 70-33-16-300-503

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
Overhaul process equipmentLOCALOverhaul process equipment
Heat treatment equipmentLOCALHeat treatment equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-13-230-060 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to the SPM TASK 70-23-02-230-501.

        2. Use penetrant crack test equipment.

        1. No cracks are permitted.

    2. SUBTASK 72-41-13-110-058 Chemically Clean

      1. Chemically clean the shaft ring nut.

      1. Refer to the SPM TASK 70-11-24-300-503.

      2. Use chemical cleaning equipment.

    3. SUBTASK 72-41-13-330-051 Apply Silver Plating

    1. Refer to Figure.

      2. Silver plate the shaft ring nut to a thickness of 0.0001 to 0.0003 in. (0.003 to 0.007 mm).

      1. Refer to the SPM TASK 70-33-16-300-503.

      2. Use overhaul process equipment.

    4. SUBTASK 72-41-13-370-051 Heat Treat

      1. Heat treat the shaft ring nut.

      1. Refer to the SPM TASK 70-33-16-300-503.

      2. Heat treat for 2.5 hours at 250 deg C (482 deg F).

      3. Use heat treat equipment.

    5. SUBTASK 72-41-13-220-097 Examine the Repair

      1. Examine the silver plated surface.

      1. Ensure the surface is of the correct thickness and is free from defects.

    6. Figure: Repair details and dimensions

    Repair details and dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Overhaul process equipment
Tool Name:Overhaul process equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment