TASK 72-50-53-300-064 Turbine Exhaust Case (TEC) - Repair The Oil Feed, Scavenge Oil, And Oil Weep Mating Threads, Repair-064 (VRS3097)

DMC:V2500-A0-72-50-5301-00A-657A-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 72-50-53-300-064 Turbine Exhaust Case (TEC) - Repair The Oil Feed, Scavenge Oil, And Oil Weep Mating Threads, Repair-064 (VRS3097)

Effectivity

FIG/ITEM

PART NO.

01-001

4A8014

01-001

4A8025

21-300

2A1209-01

21-300

2A2620-01

21-300

2A3111-01

21-300

2A3183-01

21-300

2A3455-01

21-300

2A3183-101

21-300

2A4258-01

21-300

2A4263-01

Material of component

PART IDENT

SYMBOL

MATERIAL

No.5 Bearing Housing

-

PWA 1464-2

Turbine Exhaust Case

-

AMS 5616 stainless steel

General

Price and availability - refer to IAE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
TapLOCALTap

0.625-18 UNJF-3B

Go/No-go thread gageLOCALGo/No-go thread gage

0.625-18 UNJF-3B

TapLOCALTap

0.5625-18 UNJF-3B

Go/No-go thread gageLOCALGo/No-go thread gage

0.5625-18 UNJF-3B

TapLOCALTap

0.500-20 UNJF-3B

Go/No-go thread gageLOCALGo/No-go thread gage

0.500-20 UNJF-3B

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-53-350-112 Repair the Oil Feed Threads in the No. 5 Bearing Housing (Not Applicable to PNs 4A8014 and 4A8025)

    1. Refer to Figure.

      2. Repair the oil feed threads.

      1. Use a 0.5625-18 UNJF-3B tap.

    2. SUBTASK 72-50-53-350-113 Repair the Oil Scavenge Threads in the No. 5 Bearing Housing (Not Applicable to PNs 4A8014 and 4A8025)

    1. Refer to Figure.

      2. Repair the oil scavenge threads.

      1. Use a 0.625-18 UNJF-3B tap.

    3. SUBTASK 72-50-53-350-114 Repair the Oil Weep Threads on the Turbine Exhaust Case (Applicable to all PNs listed in Effectivity)

    1. Refer to Figure.

      2. Repair the oil weep threads.

      1. Use a 0.500-20 UNJF-3B tap.

    4. SUBTASK 72-50-53-220-201 Examine the Repair

      1. Examine the repaired areas.

      1. Use a 0.5625-18 UNJF-3B thread gage on the oil feed threads.

        Use a 0.625-18 UNJF-3B thread gage on the oil scavenge threads.

        Use a 0.500-20 UNJF-3B thread gage on the oil weep tube end.

    5. Figure: Repair Detsils and Dimensions

    Repair Detsils and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Go/No-go thread gage
Tool Name:Go/No-go thread gage
Manufacturer Code:LOCAL
Tool Number:Tap
Tool Name:Tap