TASK 72-50-42-300-023 No. 5 Bearing Seal Rear Spacer - Restore The Silver Plating On The Threads, Repair-023 (VRS5638)

DMC:V2500-A0-72-50-4204-02A-647A-C|Issue No:002.00|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 72-50-42-300-023 No. 5 Bearing Seal Rear Spacer - Restore The Silver Plating On The Threads, Repair-023 (VRS5638)

Effectivity

FIG/ITEM

PART NO.

01-142

4T8036

Material of component

IAE

DESCRIPTION

SYMBOL

MATERIAL

Spacer

-

38NiCrMo4

General

Price and availability - refer to IAE

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

NOTE

Consumable materials are listed in the SPM.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Grinding machineLOCALGrinding machine
Process Plating TanksLOCALProcess plating tanks

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-42-320-057 Remove the Damaged Silver Plating

    1. Refer to Figure.

      2. Machine or chemically remove the damaged silver plating.

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

        The thickness of the plating is 0.0003 to 0.0005 in. (0.008 to 0.013 mm).

    2. SUBTASK 72-50-42-330-054 Silver Plate the Seal Spacer

      1. Silver plate the threads of the rear spacer.

      1. Refer to the SPM TASK 70-34-02-300-503.

    3. SUBTASK 72-50-42-220-103 Do an Inspection of the Silver Plating

    1. Refer to Figure.

      2. Do an inspection of the plating.

      1. Examine the quality and thickness of the plating.

        The thickness of the plating must be between 0.0003 to 0.0005 in. (0.008 to 0.013 mm).

    4. SUBTASK 72-50-42-220-104 Postrequisite Repair Inspection

    1. Refer to Figure.

    2. Do a visual and dimensional inspection of the spacer.

    5. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Tool Number:Process plating tanks
Tool Name:Process Plating Tanks
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment