TASK 72-41-13-300-016 HPC Rear Shaft - Replace The Damaged Shank Nuts, Repair-016 (VRS6123)

DMC:V2500-A0-72-41-1301-00A-920A-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 72-41-13-300-016 HPC Rear Shaft - Replace The Damaged Shank Nuts, Repair-016 (VRS6123)

Effectivity

FIG/ITEM

PART NO.

01-850

6A3807

01-850

6A3974

01-850

6A3997

01-850

6A4150

01-850

6A7707

01-900

6A7708

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

H.P. compressor - Rear shaft

QYX

Inconel 718

assembly

Nut, self-locking shank

EAR

Austenitic heat resisting

steel - Vacuum melted

General

This Repair must only be done when the instruction to do so is given in 72-41-13 Inspection.

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

NOTE

More equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-35-11-300-501
SPM TASK 70-23-01-230-501

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Drilling equipmentLOCALDrilling equipment
DrillLOCALDrill

0.220 in. (5.60 mm) diameter

DrillLOCALDrill

0.315 in. (8.00 mm) diameter

Standard workshop equipmentLOCALStandard workshop equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
IAE 3R19066 Tool bolt0AM53IAE 3R190661
IAE 3R19067 Swage bush0AM53IAE 3R190671
IAE 3R18718 Tool bolt0AM53IAE 3R187181
IAE 3R18737 Swage bush0AM53IAE 3R187371

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Nut, self-locking shankAS2785318
Nut, self-locking shankAS2785718

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-13-323-051 Remove the Shank Nuts

    1. Refer to Figure, Figure and Figure.

      2. Drill the flare section AB, until the nut is released.

        1. Refer to Figure.

        1. Refer to the SPM TASK 70-35-11-300-501.

        2. Use a drilling machine with an 0.220 in. (5.60 mm) diameter drill.

      3. Drill the flare section AC, until the nut is released.

        1. Refer to Figure.

        1. Refer to the SPM TASK 70-35-11-300-501.

        2. Use a drilling machine with an 0.315 in. (8.00 mm) diameter drill.

    4. Remove the nut as necessary.

    2. SUBTASK 72-41-13-350-060 Remove the Sharp Edges

      1. Remove the sharp edges around the nut location hole.

      1. Use standard workshop equipment.

      2. Clean the nut location hole.

      1. Use a soft, clean cloth and remove particles with air.

    3. SUBTASK 72-41-13-220-098 Examine the Nut Location

    1. Refer to Figure, Figure and Figure.

    2. Visually examine and check the dimensions of the nut location holes.

    4. SUBTASK 72-41-13-230-061 Do a Crack Test

      1. Do a penetrant crack test, in the area of repair.

        1. Refer to the SPM TASK 70-23-01-230-501.

        1. Use penetrant crack test equipment.

        2. Cracks are not permitted.

    5. SUBTASK 72-41-13-350-061 Install the New Shank Nuts

    1. Refer to Figure, Figure and Figure.

      2. Install the new nut into the location hole.

        1. Use AS27853 nut self-locking shank01-894 and AS27857 nut self-locking shank01-895, as necessary.

        1. Make sure the shank nut is installed correctly.

      3. Hold the nut and swage the flare.

    6. SUBTASK 72-41-13-220-099 Examine the Nut

    1. Refer to Figure.

      2. Examine the installed nut.

      1. Make sure the shank nut is installed correctly and satisfactorily tightened.

    7. SUBTASK 72-41-13-230-062 Do a Crack Test

      1. Do a penetrant crack test, in the area of repair.

        1. Refer to the SPM TASK 70-23-01-230-501.

        1. Use penetrant crack test equipment.

        2. Cracks are not permitted.

    8. Figure: Repair details and dimensions

    Repair details and dimensions

    Figure: Repair details and dimensions

    Repair details and dimensions

    Figure: Repair details and dimensions

    Repair details and dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
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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:LOCAL
Tool Number:Drill
Tool Name:Drill
Manufacturer Code:LOCAL
Tool Number:Drilling equipment
Tool Name:Drilling equipment
Manufacturer Code:0AM53
Tool Number:IAE 3R18718
Tool Name:IAE 3R18718 Tool bolt
Manufacturer Code:0AM53
Tool Number:IAE 3R18737
Tool Name:IAE 3R18737 Swage bush
Manufacturer Code:0AM53
Tool Number:IAE 3R19066
Tool Name:IAE 3R19066 Tool bolt
Manufacturer Code:0AM53
Tool Number:IAE 3R19067
Tool Name:IAE 3R19067 Swage bush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found