TASK 72-32-83-300-031 LPC Stage 2 Stator - Replace The Stator Vane, Repair-031 (VRS1767)

DMC:V2500-A0-72-32-8320-02A-920A-C|Issue No:003.00|Issue Date:2020-05-01

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 72-32-83-300-031 LPC Stage 2 Stator - Replace The Stator Vane, Repair-031 (VRS1767)

Effectivity

FIG/ITEM

PART NO.

02-800

5A0433

General

This Repair TASK gives the procedure for replacement of the LPC stage 2.0 vane.

Material of component.

PART IDENT

IAE

SYMBOL

MATERIAL

LPC stage 2.0 stator assembly

Vane: Titanium alloy

Inner ring: Aluminum alloy

Price and availability - none.

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

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Dry blast cabinetLOCALDry blast cabinet
InjectorLOCALInjector

(Air pressure type)

Plastic chisel type toolLOCALPlastic chisel type tool
SpatulaLOCALSpatula
Vacuum pumpLOCALVacuum pump
IAE 3J12808 Molding fixture0AM53IAE 3J12808

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-124 ISOPROPYL ALCOHOLLOCALCoMat 01-124
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001
CoMat 02-005 ADHESIVE TAPE (MASKING)LOCALCoMat 02-005
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 05-123 SILICON CARBIDE GRITIAE72CoMat 05-123
CoMat 05-124 SILICON CARBIDE GRITIAE72CoMat 05-124
CoMat 08-032 PRIMER71984CoMat 08-032
CoMat 08-042 SILICONE RUBBER COMPOUNDIAE55CoMat 08-042

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Vane, STG. 2.0 LPC TYPE C5A0920AR
Vane, STG. 2.0 LPC TYPE D5A0923AR
Vane, STG. 2.0 LPC TYPE A5A0434AR
Vane, STG. 2.0 LPC TYPE B5A0435AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-83-360-102 Remove the Abradable Seal

      1. Remove all abradable seal on inner ring.

      1. Repair, VRS1769 TASK 72-32-83-300-033 (REPAIR-033).

    2. SUBTASK 72-32-83-350-085 Remove Damaged Vane

    1. Refer to Figure and Figure.

      2. CAUTION

        BE CAREFUL NOT TO DAMAGE THE SURFACE OF VANE AND RING WHEN REMOVING MOLDING RUBBER.

        Remove molding rubber to break the connection between vane and inner ring. Remove the damaged vane from the inner ring.

      3. Remove molding rubber from AREA A.

      4. Remove all remaining molding rubber from the removed vane if it is serviceable.

      5. Remove the remaining molding rubber from AREA A and/or the removed vane, if the remaining rubber is not fully removed in Step or Step.

        1. Apply adhesive tape for masking to the areas which do not require removing the remaining rubber.

        2. Use dry plastic blast to remove the remaining rubber.

        1. Refer to SPM TASK 70-12-07-120-501.

      3. Remove adhesive tape for masking.

    3. SUBTASK 72-32-83-110-065 Clean the Bonding Area

    1. Refer to Figure.

      2. Apply masking tape to areas which do not have molding compound.

      4. Remove remaining abrasive by vacuuming or clean air blow.

      1. Use dry blast system cabinet.

      5. Wipe and clean blasted surfaces of vane and inner ring.

    6. NOTE

      After cleaning the component must not be touched by hand and must be covered by craft paper to prevent contamination.

      Air dry for 15 minutes minimum.

    4. SUBTASK 72-32-83-360-105 Apply the Primer to the Bonding Area

    1. Refer to Figure.

      2. CAUTION

        THE PRIMER MUST NOT BE APPLIED TO THE SILICONE RUBBER.

        NOTE

        Parts must have the CoMat 08-042 SILICONE RUBBER COMPOUND applied within 24 hours of completion of primer application.

        Apply the primer to the bonding area.

      2. The primer must be applied to the metal surface only.

      3. Refer to SPM TASK 70-36-04-360-501.

      1. Refer to the SPM TASK 70-36-04-360-501.

    5. SUBTASK 72-32-83-360-106 Make-up of Silicone Rubber Compound

      1. Mix 9.5 to 10.5 parts by weight of the base material with 0.8 to 1.2 parts by weight of the curing agent in 8 minutes to 10 minutes at 70 deg F to 80 deg F (21 deg C to 27 deg C) until the material is a constant color.

      2. Use a clean spatula or equivalent.

      2. NOTE

        When mixed, the life of the silicone rubber compound is a maximum of 1.5 hours at room temperature.

        Remove all the air from the mixture at 28 in. (711.2 mm) mercury vacuum for 15 minutes minimum.

      1. Use the vacuum pump.

    6. SUBTASK 72-32-83-360-103 Mold the Silicon Rubber Compound

    1. Refer to Figure, Figure and Figure.

      2. Set up the mold with the molding fixture and install the new or serviceable vane in position.

      3. Apply the silicone rubber compound to the mold area.

      1. Use an air pressure type injector.

    4. Cure the silicone rubber compound at room temperature for 16 hours followed by it being kept at 290 deg F and 310 deg F (143 deg C and 153 deg C) for 2 hours with the molding fixture attached.

    7. SUBTASK 72-32-83-220-180 Examine the Repaired Area

    1. Refer to Figure, Figure and Figure.

    2. Dimensionally and visually examine the repaired area.

    8. SUBTASK 72-32-83-360-104 Put Back the Abradable Seal

      1. Put the abradable seal back on the inner ring.

      1. Repair, VRS1769 TASK 72-32-83-300-033 (REPAIR-033).

    9. Figure: Replace the stator vane of LPC stage 2.0 stator assembly

    Replace the stator vane of LPC stage 2.0 stator assembly

    Figure: Replace the stator vane of LPC stage 2.0 stator assembly

    Replace the stator vane of LPC stage 2.0 stator assembly

    Figure: Replace the stator vane of LPC stage 2.0 stator assembly

    Replace the stator vane of LPC stage 2.0 stator assembly

    Figure: Replace the stator vane of LPC stage 2.0 stator assembly

    Replace the stator vane of LPC stage 2.0 stator assembly

    Figure: Replace the stator vane of LPC stage 2.0 stator assembly

    Replace the stator vane of LPC stage 2.0 stator assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added steps and deleted note. (19VC634)

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:71984
Enterprise Name:DOW SILICONES CORP
BU Name:DOW SILICONES CORP
Street:2200 W SALZBURG RD
City:MIDLAND
State:MI
Zip Code:48611
Country:UNITED STATES OF AMERICA
Phone Number:1-800-248-2481, 1-989-496-7881, 1-989-496-6000
Fax Number:1-989-496-6731, 1-989-496-5956
Internet:www.dowcorning.com
Manufacturer Code:IAE55
Enterprise Name:DELETED
BU Name:DELETED, SEE CAGE CODE 74230
Manufacturer Code:IAE72
Enterprise Name:DELETED
BU Name:DELETED, SEE CAGE CODE SD349
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 01-124
Type:sp01
Supply Short Name:CoMat 01-124 ISOPROPYL ALCOHOL
Supply Name:CoMat 01-124 ISOPROPYL ALCOHOL
Specification Groups:
Doc NumberType
OMAT:1/40GPR TECHNICAL GRADE
PMC 9094GPR TECHNICAL GRADE
JCR-011GPR TECHNICAL GRADE
Suppliers:
ManufacturerRemarks
LOCAL
U1185
24853
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 02-001
Type:sp01
Supply Short Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 230 (RR REF)ZINC OXIDE AT142
JCR-197 (JAEC REF)ZINC OXIDE AT142
Suppliers:
ManufacturerRemarks
LOCAL
K6835
U0415
Manufacturer Code:LOCAL
Supply Number:CoMat 02-005
Type:sp01
Supply Short Name:CoMat 02-005 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-005 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 2/94 (RR REF)AT 7 BLACK, WATERPROOF
Suppliers:
ManufacturerRemarks
LOCAL
U0415
K6835
Manufacturer Code:X222X
Supply Number:CoMat 02-099
Type:sp01
Supply Short Name:CoMat 02-099 LINT-FREE CLOTH
Supply Name:CoMat 02-099 LINT-FREE CLOTH
Specification Groups:
Doc NumberType
WHERE COMAT 02-099 IS SPECIFIED WITH NO SUFFIX, USE COMAT 02-099A OR COMAT 02-099B.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:SD349
Supply Number:CoMat 05-123
Type:sp01
Supply Short Name:CoMat 05-123 SILICON CARBIDE GRIT
Supply Name:CoMat 05-123 SILICON CARBIDE GRIT
Specification Groups:
Doc NumberType
JIS R 6111 (JAEC REF)DENSIC C"80
Suppliers:
ManufacturerRemarks
SD349
Manufacturer Code:SD349
Supply Number:CoMat 05-124
Type:sp01
Supply Short Name:CoMat 05-124 SILICON CARBIDE GRIT
Supply Name:CoMat 05-124 SILICON CARBIDE GRIT
Specification Groups:
Doc NumberType
JIS R 6111 (JAEC REF)DENSIC C"90
Suppliers:
ManufacturerRemarks
SD349
Manufacturer Code:X222X
Supply Number:CoMat 08-032
Type:sp01
Supply Short Name:CoMat 08-032 PRIMER
Supply Name:CoMat 08-032 PRIMER
Specification Groups:
Doc NumberType
DELETED. USE ONE OF THE COMAT 08-032 LETTER SUFFIX ALTERNATIVE MATERIALS.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 08-042
Type:sp01
Supply Short Name:CoMat 08-042 SILICONE RUBBER COMPOUND
Supply Name:CoMat 08-042 SILICONE RUBBER COMPOUND
Specification Groups:
Doc NumberType
Where CoMat 08-042 is specified with no suffix, use one of the CoMat 08-042 letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Dry blast cabinet
Tool Name:Dry blast cabinet
Manufacturer Code:0AM53
Tool Number:IAE 3J12808
Tool Name:IAE 3J12808 Molding fixture
Manufacturer Code:LOCAL
Tool Number:Injector
Tool Name:Injector
Manufacturer Code:LOCAL
Tool Number:Plastic chisel type tool
Tool Name:Plastic chisel type tool
Manufacturer Code:LOCAL
Tool Number:Spatula
Tool Name:Spatula
Manufacturer Code:LOCAL
Tool Number:Vacuum pump
Tool Name:Vacuum pump