TASK 72-41-33-300-008 HPC Inlet Variable Stator Vane Shroud - Replace The Dowel Pins, Repair-008 (VRS6148)

DMC:V2500-A0-72-41-3311-00A-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 72-41-33-300-008 HPC Inlet Variable Stator Vane Shroud - Replace The Dowel Pins, Repair-008 (VRS6148)

Effectivity

FIG/ITEM PART NO.

01-200

6A3464

General

This Repair must only be done when the instruction to do so is given in 72-41-33 Inspection/Check.

This repair is to replace worn dowel pins in the VIGV shroud assembly.

Price and availability

Refer to IAE

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

VIGV shroud assembly

LJH

Aluminium alloy

Dowel pin

-

BSHRI or BSHR601

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop equipmentLOCALStandard workshop equipment
Heat protection glovesLOCALHeat protection gloves

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-026 LIQUID NITROGENLOCALCoMat 03-026

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Retaining ringAS20763A/R
Dowel pinAS20744A/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-33-350-072 Remove the Dowel Pins

    1. Refer to Figure.

      2. Remove the half shrouds from the shroud ring.

      1. Note the position of the matched set correlation marks.

      3. Remove the worn dowl pins.

      1. Remove the pins with a drift.

      4. Remove the sharp edges around the location holes.

      1. Use hand methods.

      5. Clean the holes.

      1. Use a soft clean cloth and blast with air.

    2. SUBTASK 72-41-33-220-125 Examine the Holes

    1. Refer to Figure.

      2. Visually and dimensionally inspect the location holes.

      1. Check the fits and the clearances for the pins.

    3. SUBTASK 72-41-33-350-073 Replace the Dowel Pins

    1. Refer to Figure.

      2. Install the retaining rings to the dowl pins.

      1. Push the retaining ring over the pin until it engages in the groove.

      3. Install the dowel pins into the half shrouds.

      1. Use a suitable installation tool.

        Freeze the pins with CoMat 03-026 LIQUID NITROGEN and put the pins in position.

        Use heat protecting gloves.

      4. Replace the half shrouds.

      1. Assemble the half shrouds onto the shroud ring.

        Make sure the correlation markings are aligned.

    4. Figure: Replace the dowel pins

    Replace the dowel pins

    Figure: Replace the dowel pins

    Replace the dowel pins

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 03-026
Type:sp01
Supply Short Name:CoMat 03-026 LIQUID NITROGEN
Supply Name:CoMat 03-026 LIQUID NITROGEN
Specification Groups:
Doc NumberType
OMAT:220BB-N-411 T2GBC1
JCR-135BB-N-411 T2GBC1
Suppliers:
ManufacturerRemarks
LOCAL
U2046
U2096
Manufacturer Code:LOCAL
Tool Number:Heat protection gloves
Tool Name:Heat protection gloves
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