TASK 72-32-51-300-011 LP Stub Shaft - Apply Chromium Plating to The Stub Shaft Assembly, Repair-011 (VRS1291)

DMC:V2500-A0-72-32-5104-00A-647A-C|Issue No:001.00|Issue Date:2014-05-01

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 72-32-51-300-011 LP Stub Shaft - Apply Chromium Plating to The Stub Shaft Assembly, Repair-011 (VRS1291)

Effectivity

FIG/ITEM

PART NO.

01-350

5A0895

01-350

5A6068

Material of component

PART IDENT

IAE

SYMBOL

MATERIAL

Stub shaft

Non-corrosion resistant steel

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
Vibrating marking pencilLOCALVibrating marking pencil
Chromium plate equipmentLOCALChromium plate equipment
Magnetic particle inspection equipmentLOCALMagnetic particle inspection equipment
Grinding machineLOCALGrinding machine
IAE 3J12733Fixture0AM53IAE 3J127331

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-51-330-051 Remove Faulty Chromium Plating

    1. Refer to Figure and Figure.

      2. Grind off the diameter A and/or diameter K to the specified dimensions (before plating).

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

    2. SUBTASK 72-32-51-370-051 Stress Relieve the Stub Shaft Assembly after Plate Stripping

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

      1. Refer to the SPM TASK 70-33-02-100-501.

    3. SUBTASK 72-32-51-230-055 Examine the Stub Shaft Assembly for Cracks

      1. Magnetic particle examine the repaired area.

        1. No cracks are permitted.

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

    4. SUBTASK 72-32-51-330-052 Prepare the Stub Shaft Assembly for Plating

      1. Clean the part.

      1. Refer to the SPM TASK 70-33-02-300-503.

      2. Mask all the surface except plating area.

      1. Refer to the SPM TASK 70-38-24-380-501.

    5. SUBTASK 72-32-51-380-055 Alkali Clean the Stub Shaft

      1. Alkali clean the part.

      1. Refer to the SPM TASK 70-33-02-300-503.

    6. SUBTASK 72-32-51-330-053 Chromium Plate the Stub Shaft Assembly

    1. Refer to Figure and Figure.

      2. Soak the part in a standard chromium plating solution for sufficient time to achieve the diameter A and/or K to the specified dimensions (after plating).

      1. Refer to the SPM TASK 70-33-02-300-503.

      3. Treatment after plating.

      1. Refer to the SPM TASK 70-33-02-300-503.

    7. SUBTASK 72-32-51-370-052 Bake the Stub Shaft Assembly after Plating

    1. Bake the plated part as soon as possible (not later than 16 hours after plating) Hours: three hours minimum temperature: 374 to 410 deg F (190 to 210 deg C).

    8. SUBTASK 72-32-51-220-099 Examine the Stub Shaft Assembly after Plating

    1. Refer to Figure and Figure.

      2. Visually examine the chromium partical for the following: Pits, Visible cracks, Burning and Excessive build up of corner.

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

      3. Dimensionally check the plated area for diameter A and/or K (after plating).

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

    9. SUBTASK 72-32-51-320-054 Grind the Stub Shaft Assembly after Plating

    1. Refer to Figure and Figure.

      2. Grind the diameter A and/or K to the specified dimensions (finish grinding).

        1. Refer to the SPM TASK 70-33-02-300-503.

    10. SUBTASK 72-32-51-230-056 Examine the Stub Shaft Assembly after Grinding

    1. Refer to Figure and Figure.

      2. Visually examine the ground area for pits and cracks.

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

    3. Dimensionally check the ground area.

    11. SUBTASK 72-32-51-230-057 Mark Repair Number on the Stub Shaft Assembly

      1. Write VRS1291, adjacent to part number.

      1. Use vibrating marking pencil.

      2. Refer to the SPM TASK 70-09-00-400-501.

      3. If this is the first repair on diameter A to this scheme, then vibro-engrave /A adjacent to the scheme number.

      4. If this is the first repair on diameter K to this scheme, then vibro-engrave /K adjacent to the scheme number.

    12. Figure: Apply chromium plating - stub shaft assembly

    Apply chromium plating - stub shaft assembly

    Figure: Apply chromium plating - stub shaft assembly

    Apply chromium plating - stub shaft assembly

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
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3J12733
Tool Name:IAE 3J12733Fixture
Manufacturer Code:LOCAL
Tool Number:Magnetic particle inspection equipment
Tool Name:Magnetic particle inspection equipment
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