TASK 72-50-53-300-009 Turbine Exhaust Case (TEC) - Replace The Damaged Mount Bushings, Repair-009 (VRS5393)

DMC:V2500-A0-72-50-5301-03A-920A-C|Issue No:003.00|Issue Date:2016-08-01

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 72-50-53-300-009 Turbine Exhaust Case (TEC) - Replace The Damaged Mount Bushings, Repair-009 (VRS5393)

Effectivity

FIG/ITEM

PART NO.

01-001

4A8014

01-001

4A8025

Material of component

PART IDENT

SYMBOL

MATERIAL

Turbine Exhaust Case

-

Corrosion and heat resistant iron base alloy

Bushing

-

Corrosion and heat resistant iron base alloy

General

Price and availability - none

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Grinding machineLOCALGrinding machine
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
Hot air gunLOCALHot air gun
FreezerLOCALFreezer
Magnifying glass, 5XLOCALMagnifying glass, 5X
Vibrating marking pencilLOCALVibrating marking pencil
IAE 1F10261 Puller0AM53IAE 1F102611

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-53-350-079 Remove the Damaged Bushing in the Turbine Exhaust Case

    1. Refer to Figure

      2. Remove the damaged bushing.

    2. SUBTASK 72-50-53-320-079 Machine the Bushing Bore in the Turbine Exhaust Case

    1. Refer to Figure

      2. Machine the bushing bore.

      1. Refer to table at Figure for the dimension after the removal of the damage keep the removal of material to the minimum necessary to remove the damage.

        Use grinding machine.

    3. SUBTASK 72-50-53-230-076 Examine the Turbine Exhaust Case

      1. Do the fluorescent penetrant inspection for cracks.

      1. Refer to the SPM TASK 70-23-05-230-501. No cracks are permitted.

    4. SUBTASK 72-50-53-350-080 Install the Bushing

    1. Refer to Figure

    2. Install the bushing on the IAE 1F10261 Puller 1 off.

      3. WARNING

        DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.
        HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.
        IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET THE MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

        Increase the temperature of the case and/or decrease the temperature of the assembled bushing/fixture.

      1. Use an hot air gun. Increase the temperature of the case to 176 deg F (80 deg C).

        Degrease the temperature of the assembled bushing/fixture -30 deg F (-20 deg C).

      4. Remove the bushing from the freezer.

      1. Use protective gloves.

      5. CAUTION

        INSTALL BUSHING IN MACHINED BORE IMMEDIATELY AFTER REMOVAL FROM FREEZER; OTHERWISE BUSHING CANNOT BE CORRECTLY INSTALLED.

        Install the bushing into machined bore.

    6. Allow the parts to reach ambient temperature.

    7. Remove the fixture.

    5. SUBTASK 72-50-53-320-080 Machine the Inner Diameter of the Bushing

    1. Refer to Figure

      2. Machine the inner diameter of the bushing.

      1. The dimension must be between 1.1875 to 1.1885 in (30.1625 to 30.1879 mm).

        Chamfer where necessary.

        Use grinding machine.

    6. SUBTASK 72-50-53-350-081 Record the Repair

      1. Vibro-engrave VRS5393 adjacent to the part number.

      1. Remove the metal lifted by marking the number.

    7. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Editorial correction due to conversion. Updated Fig. 2 (CAS-27414-Y8J7R3)

Change Type:

Revised to Figure 1 (conversion error)

Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
Manufacturer Code:LOCAL
Tool Number:Freezer
Tool Name:Freezer
Link not Found
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 1F10261
Tool Name:IAE 1F10261 Puller
Link not Found
Link not Found