TASK 72-43-14-300-003 No. 4 Bearing Rear Seal Seat - Nickel Plate The Pilot Diameter, Repair-003 (VRS3109)

DMC:V2500-A0-72-43-1400-00A-647A-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 72-43-14-300-003 No. 4 Bearing Rear Seal Seat - Nickel Plate The Pilot Diameter, Repair-003 (VRS3109)

Effectivity

FIG/ITEM PART NO.

01-020

2A0067

01-020

2A1999

01-020

2A3433

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

No. 4 bearing rear seal seat

-

AMS6322 or 6323 steel

General

Price and availability - refer to IAE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
LatheLOCALLathe

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-43-14-350-053 Machine the Pilot Diameter

    1. Refer to: Figure

      2. Machine the pilot diameter.

      1. Machine the pilot diameter to 5.119 to 5.131 in. (130.02 to 130.33 mm).

        Hold to the minimum value.

        If the pilot diameter was plated before, you can strip the diameter.

        Refer to the SPM TASK 70-33-05-300-503.

    2. SUBTASK 72-43-14-330-051 Apply Nickel Plate to the Pilot Diameter

    1. Refer to: Figure

      2. Apply nickel plate to the pilot diameter.

      1. NOTE

        You can plate outside the enclosed area, but you must remove it.

        Refer to the SPM TASK 70-33-05-300-503.

        The plate must have sufficient thickness to permit finish machining.

    3. SUBTASK 72-43-14-350-054 Machine the Pilot Diameter After Nickel Plate

    1. Refer to: Figure

      2. Machine the pilot diameter.

      1. Machine the pilot diameter to 5.111 to 5.113 in. (129.82 to 129.87 mm).

    4. SUBTASK 72-43-14-220-068 Examine the No. 4 Bearing Rear Seal Seat After Repair

    1. Refer to: Figure

      2. Examine the seal seat after repair.

    5. 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:Lathe
Tool Name:Lathe