TASK 72-60-29-300-011 Deoiler Housing Assembly - Repair The Bearing Seat By Bushing, Repair-011 (VRS5086)

DMC:V2500-A0-72-60-2904-00A-664A-C|Issue No:004.00|Issue Date:2021-05-01

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 72-60-29-300-011 Deoiler Housing Assembly - Repair The Bearing Seat By Bushing, Repair-011 (VRS5086)

Effectivity

FIG/ITEM

PART NO.

01-390

4B0088

01-390

4B0315

01-390

4B0347

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Housing

-

A357 T613 (AMS 4219)

Bushing

-

Wrought aluminum base alloy

General

Price and availability - none

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

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Other consumable materials are given in the SPM.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
FPI Inspection stationLOCALFPI Inspection station
IAE 3F10339 Drift0AM53IAE 3F103391
Magnifying Glass, 5xLOCALMagnifying Glass, 5x
OvenLOCALOven
Process Plating TanksLOCALProcess plating tanks
Vibrating Marking PencilLOCALVibrating Marking Pencil

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
BushingU04064L00181

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-29-320-076 Machine the Bearing Seat in the Deoiler Housing

    1. Refer to Figure.

      2. Machine the bearing seat.

      1. The diameter must be 3.5024 in. to 3.5039 in. (88.960 mm to 89.000 mm), after the removal of the damage.

      2. Deleted.

      3. Blend the drain holes if necessary.

      1. Blend the sharp edges around the four drain holes.

    2. SUBTASK 72-60-29-220-099 Examine the Deoiler Housing

      1. Inspect the housing for cracks in the area of the seat.

    3. SUBTASK 72-60-29-330-064 Apply the Chromate Conversion Coating

      1. Apply the chromate conversion coating to the machined surfaces.

      1. Refer to SPM TASK 70-38-02-300-503.

    4. SUBTASK 72-60-29-350-077 Install the Bushing

    1. 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 MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

      CAUTION

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

      NOTE

      The difference in temperature between the parts must be 216 deg F (120 deg C).

      Refer to Figure.

    2. CAUTION

      MAKE SURE THAT THE LEAD IN CHAMFER OF THE BUSHING POINTS AWAY FROM THE DRIFT.

      Install the bushing on the IAE 3F10339 Drift 1 off.

    3. Increase the temperature of the housing and/or decrease the temperature of the assembled drift and bushing.

      4. Use an oven and/or a freezer.

      1. Do not increase the temperature of the housing above 284 deg F (140 deg C).

      2. Do not decrease the temperature of the assembled drift and bushing below -58 deg F (-50 deg C).

    5. Remove the housing from the oven and/or the assembled drift and bushing from the freezer.

    6. Install the bushing into machined seat.

    7. Use IAE 3F10339 Drift 1 off and an arbor press.

    8. Allow the parts to reach ambient temperature.

    9. Remove the drift and the guide pin.

    5. SUBTASK 72-60-29-320-077 Machine the Inner Diameter of the Bushing

    1. Refer to Figure.

      2. Machine the inner diameter of the bushing.

      1. The dimension must be 3.3457 in. to 3.3466 in. (84.982 mm to 85.004 mm). Chamfer where necessary.

    6. SUBTASK 72-60-29-330-065 Apply the Chromate Conversion Coating

      1. Apply the chromate conversion coating to the machined surfaces of the bushing.

      1. Refer to SPM TASK 70-38-02-300-503.

    7. SUBTASK 72-60-29-350-078 Record the Repair

      1. Vibro engrave VRS5086.

        1. Remove the metal lifted by marking.

    8. Figure: Repair Details And Dimensions

    Repair Details And Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Deleted grinding machine from support equipment and procedural steps. (19VF825)

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:U0406
Enterprise Name:HENKEL LTD
BU Name:HENKEL LTD
Building:TECHNOLOGIES HOUSE
Street:WOOD LANE END
City:HEMEL HEMPSTEAD
Province:HERTFORDSHIRE
Zip Code:HP2 4RQ
Country:UNITED KINGDOM
Link not Found
Manufacturer Code:LOCAL
Tool Number:FPI Inspection station
Tool Name:FPI Inspection station
Manufacturer Code:0AM53
Tool Number:IAE 3F10339
Tool Name:IAE 3F10339 Drift
Manufacturer Code:LOCAL
Tool Number:Magnifying Glass, 5x
Tool Name:Magnifying Glass, 5x
Manufacturer Code:LOCAL
Tool Number:Oven
Tool Name:Oven
Manufacturer Code:LOCAL
Tool Number:Process plating tanks
Tool Name:Process Plating Tanks
Manufacturer Code:LOCAL
Tool Number:Vibrating Marking Pencil
Tool Name:Vibrating Marking Pencil