TASK 72-41-34-300-001 HPC Variable Stator Vane Levers - Replace The Pin (IGV And Stage 3), Repair-001 (VRS6190)

DMC:V2500-A0-72-41-3421-00A-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 72-41-34-300-001 HPC Variable Stator Vane Levers - Replace The Pin (IGV And Stage 3), Repair-001 (VRS6190)

Effectivity

FIG/ITEM PART NO.

02-100

6A3130

02-140

6A3131

03-100

6A3321

03-140

6A3323

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

Lever assembly

TAW and TCA

Titanium alloy

Shoulder pin

TAB

Titanium alloy

General

This repair must only be done when the instruction to do so is given in 72-41-34 Inspection.

This repair describes the replacement of shoulder pins in the HP compressor actuating mechanism levers by hot squeeze riveting.

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

Price and availability

Refer to IAE

NOTE

  1. Equivalent materials or equipment can be used.

  2. More equipment and materials necessary to do this Repair are given in the SPM TASKS given below.

SPM TASK 70-23-01-230-501
SPM TASK 70-23-03-230-501
SPM TASK 70-11-01-300-503

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop toolsLOCALStandard workshop tools
Hand grinderLOCALHand grinder
Resistance welding machineLOCALResistance welding machine
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
IAE 3R18654 Top electrode0AM53IAE 3R186541
IAE 3R18656 Bottom electrode0AM53IAE 3R186561

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Shoulder pin6A24341
Shoulder pin6A24341
Shoulder pin6A24341
Shoulder pin6A24341

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-350-073 Remove the Damaged Pin

      1. CAUTION

        DO NOT DAMAGE THE HOLE IN THE LEVER.

        Remove the damaged pin.

      1. Use a hand grinder, or a drilling machine with a 0.18in. (4.5 mm) diameter drill, to remove the head of the pin.

        Remove the pin with a drift.

      2. Clean the pin location hole in the lever.

      1. Use hand tools to remove burrs, but keep sharp edge to the hole.

    3. Do a visual inspection of the pin location in the lever.

    2. SUBTASK 72-41-34-230-067-001 Do a Crack Test

      1. Do a penetrant crack test to the lever.

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

        Cracks are not permitted.

    3. SUBTASK 72-41-34-230-067-002 Do a Crack Test

      1. Do a penetrant crack test to the lever.

      1. Refer to the SPM TASK 70-23-03-230-501.

        Cracks are not permitted.

    4. SUBTASK 72-41-34-110-056 Chemically Clean

      1. Remove grease from the lever and the new shoulder pin.

      1. Refer to the SPM TASK 70-11-01-300-503, SUBTASK 70-11-01-300-002.

    5. SUBTASK 72-41-34-390-052 Hot Squeeze Rivet

    1. Refer to: Figure

      2. CAUTION

        THE MACHINE SETTINGS MUST BE MADE BY TRIAL USING SUITABLE TEST PIECES. USE A LOW VOLTAGE SETTING AND THE MINIMUM AMOUNT OF HEAT REQUIRED TO MAKE THE RIVET FORGE OVER. IF TOO MUCH HEAT IS USED THE MATERIAL WILL CRACK AND OXIDISE.
        DO NOT OVERHEAT THE MATERIAL.

        Assemble the parts.

      1. Make sure the location pin is on the correct side of the lever and the location pin is at 90 degrees to the lever.

        Refer to Figure.

      3. Hot squeeze rivet.

      1. Fit the electrodes to the resistance welding machine.

        Hot squeeze rivet.

        Refer to the SPM TASK 70-39-02-390-501.

    6. SUBTASK 72-41-34-230-068-001 Do a Crack Test

      1. Do a penetrant crack test.

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

        Cracks are not permitted.

    7. SUBTASK 72-41-34-230-068-002 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to the SPM TASK 70-23-03-230-501.

        Cracks are not permitted.

    8. SUBTASK 72-41-34-220-196 Examine the Part

    1. Refer to: Figure

      2. Do a visual and dimensional inspection.

      1. Refer to Figure.

    9. Figure: Details of the actuating mechanism lever

    Details of the actuating mechanism lever

    Figure: Details of the actuating mechanism lever

    Details of the actuating mechanism lever

    Figure: Details of the actuating mechanism lever

    Details of the actuating mechanism lever

    Figure: Details of the actuating mechanism lever

    Details of the actuating mechanism lever

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
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:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3R18654
Tool Name:IAE 3R18654 Top electrode
Manufacturer Code:0AM53
Tool Number:IAE 3R18656
Tool Name:IAE 3R18656 Bottom electrode
Manufacturer Code:LOCAL
Tool Number:Resistance welding machine
Tool Name:Resistance welding machine
Manufacturer Code:LOCAL
Tool Number:Standard workshop tools
Tool Name:Standard workshop tools