TASK 72-32-51-300-024 LP Stub Shaft - Apply The Chromium Plating to The Outside Diameter Of The Stub Shaft Assembly, Repair-024 (VRS1911)

DMC:V2500-A0-72-32-5104-02A-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 72-32-51-300-024 LP Stub Shaft - Apply The Chromium Plating to The Outside Diameter Of The Stub Shaft Assembly, Repair-024 (VRS1911)

Effectivity

FIG/ITEM

PART NO.

01-350

5A0895

01-350

5A6068

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Stub shaft

Non-corrosion resistant

steel (3 cr, 1 Mo 0.2 v)

General

Price and availability - none

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chromium plate equipmentLOCALChromium plate equipment
Magnetic particle inspection equipmentLOCALMagnetic particle inspection equipment
Grinding machineLOCALGrinding machine
FurnaceLOCALFurnace
Vibrating marking pencilLOCALVibrating marking pencil
IAE 3J12756 Machining fixture0AM53IAE 3J127561

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-51-324-053 Machine the Stub Shaft Assembly

    1. Refer to Figure.

      2. Set up stub shaft on machine.

      3. Grind the outside diameter to the dimensions given.

      1. All galling, damage and previous plating must be removed, but keep metal removal to a minimum.

    2. SUBTASK 72-32-51-370-055 Stress Relieve the Stub Shaft Assembly

      1. Heat treat the part at 374 to 410 deg F (190 to 210 deg C) for 1 hour.

      1. Use furnace.

    3. SUBTASK 72-32-51-240-061 Examine the Stub Shaft Assembly for Cracks

      1. Magnetic particle examine the repaired area.

      1. No cracks permitted.

      2. Refer to TASK 72-32-51-200-000 (INSPECTION-000).

    4. SUBTASK 72-32-51-330-058 Chromium Plate the Stub Shaft Assembly

    1. Refer to Figure.

      2. Chromium plate the outside diameter to 9.815 in. (249.31 mm) minimum.

    5. SUBTASK 72-32-51-370-056 Bake the Stub Shaft Assembly After Plating

      1. Bake the plated part at 374 to 410 deg F (190 to 210 deg C) for three hours.

      1. Use furnace.

    6. SUBTASK 72-32-51-220-103 Examine the Stub Shaft Assembly After Plating

    1. Refer to Figure.

      2. Visually examine the chromium deposit.

      1. No pits, cracks, burning and excessive build up of corners are permitted.

      3. Dimensionally examine the diameter of the plated area.

      1. It must be a minimum of 9.815 in. (249.31 mm.).

    7. SUBTASK 72-32-51-324-054 Machine the Stub Shaft Assembly After Plating

    1. Refer to Figure.

      2. Set up the stub shaft on machine.

      1. Use universal grinding machine.

    3. Grind the plated area to the dimensions given.

      NOTE

      After grinding, diameter D must be 9.8065 to 9.8075 in. (249.084 to 249.113 mm) and the thickness of chromium plate must not exceed 0.0078in. (0.20 mm).

    8. SUBTASK 72-32-51-220-104 Examine the Stub Shaft Assembly After Grinding

    1. Refer to Figure.

      2. Visually examine the repaired area for pits, cracks.

      1. Refer to TASK 72-32-51-200-000 (INSPECTION-000).

      2. No cracks are permitted.

    3. Dimensionally examine the repaired area.

    9. SUBTASK 72-32-51-350-069 Mark Repair Number on the Stub Shaft Assembly

      1. Write VRS1911, adjacent to part number.

      1. Use vibrating marking pencil.

    10. Figure: Apply chromium plating - Stub shaft assembly

    Apply chromium plating - Stub shaft assembly

    Figure: Repair detail and dimensions

    Repair detail and dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Furnace
Tool Name:Furnace
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3J12756
Tool Name:IAE 3J12756 Machining fixture
Manufacturer Code:LOCAL
Tool Number:Magnetic particle inspection equipment
Tool Name:Magnetic particle inspection equipment
Link not Found