TASK 72-32-76-300-002 LPC Stage 2.5 Stator - Replace The Vane Potting, Repair-002 (VRS1355)

DMC:V2500-A0-72-32-7600-01A-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 72-32-76-300-002 LPC Stage 2.5 Stator - Replace The Vane Potting, Repair-002 (VRS1355)

Effectivity

FIG/ITEM

PART NO.

01-400

5R0029

01-400

5R6088

General

This Repair TASK gives the procedure for replacing of the vane potting material.

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Shroud outer ring

Aluminum alloy

Stage 2.5 vane (O/C)

Aluminum alloy

Stage 2.5 vane (Nom)

Aluminum alloy

Stage 2.5 vane (U/C)

Aluminum alloy

Price and availability

Refer to IAE for any of these items.

Tools

Engine parts

Repair of spares

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

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
SpatulaLOCALSpatula
Filler injection gunLOCALFiller injection gun
OvenLOCALOven
Precision weighing scalesLOCALPrecision weighing scales
IAE 3J13151 Depth gage0AM53IAE 3J131511
IAE 3J13152 Shape gage0AM53IAE 3J131521
IAE 3J13153 Fillet former0AM53IAE 3J131531

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-076 METHYL ETHYL KETONELOCALCoMat 01-076
CoMat 08-032 PRIMERLOCALCoMat 08-032
CoMat 08-042 SILICONE RUBBER COMPOUNDIAE55CoMat 08-042

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-76-350-053 Remove the Defective Rubber

    1. Remove the defective rubber.

    2. SUBTASK 72-32-76-110-052 Clean the Repair Area

      1. Clean the repair area.

    3. SUBTASK 72-32-76-380-051 Apply the Primer

      1. NOTE

        Permit primer to dry at room temperature for 2 hours minimum, 24 hours maximum at moisture level equivalent to 50 percent minimum relative humidity at 77 deg F (25 deg C).

        NOTE

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

        Apply the primer to bond surfaces.

        1. Apply CoMat 08-032 PRIMER with clean brush or lint free cloth on the metal surface only.

        1. Primer must not be applied on the silicone rubber.

        2. Refer to Figure.

    4. SUBTASK 72-32-76-360-051 Mixing Instruction

      1. NOTE

        The working life of the mixed silicone rubber is maximum three hours at room temperature.

        Measure out materials by weight as follows: 9.5 to 10.5 parts rubber 0.8 to 1.2 parts curing agent.

      1. Use CoMat 08-042 SILICONE RUBBER COMPOUND and precision weighing scale.

    5. SUBTASK 72-32-76-360-052 Fill the Gaps with Mixed Silicone Rubber Compound

      1. Fill the gaps with mixed silicone rubber.

        1. Refer to Figure, Figure and Figure.

        2. For arrange the silicone rubber contour.

    6. SUBTASK 72-32-76-360-053 Cure the Filled Rubber

    1. Cure the filled rubber for 24 hours at room temperature.

    2. Put the assembly in a curing oven at a temperature of 295 to 305 deg F (146.3 to 151.7 deg C) and cure for minimum one hour.

    3. Remove from oven and permit to cool to room temperature.

    7. SUBTASK 72-32-76-220-052 Visually Examine the Repaired Area

      1. Visually examine the repaired area.

    8. Figure: Primer application areas

    Primer application areas

    Figure: LP compressor stage 2.5 vanes

    LP compressor stage 2.5 vanes

    Figure: Silicone rubber application area

    Silicone rubber application area

    Figure: Silicone rubber application areas

    Silicone rubber application areas

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:IAE55
Enterprise Name:DELETED
BU Name:DELETED, SEE CAGE CODE 74230
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 01-076
Type:sp01
Supply Short Name:CoMat 01-076 METHYL ETHYL KETONE
Supply Name:CoMat 01-076 METHYL ETHYL KETONE
Specification Groups:
Doc NumberType
METHYL ETHYL KETONE, TECHNICAL GRADE, CERTIFIED TO BSI BS 1940 OR ASTM D740, OR TT-M-261
Suppliers:
ManufacturerRemarks
LOCAL
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:Filler injection gun
Tool Name:Filler injection gun
Manufacturer Code:0AM53
Tool Number:IAE 3J13151
Tool Name:IAE 3J13151 Depth gage
Manufacturer Code:0AM53
Tool Number:IAE 3J13152
Tool Name:IAE 3J13152 Shape gage
Manufacturer Code:0AM53
Tool Number:IAE 3J13153
Tool Name:IAE 3J13153 Fillet former
Manufacturer Code:LOCAL
Tool Number:Oven
Tool Name:Oven
Manufacturer Code:LOCAL
Tool Number:Precision weighing scales
Tool Name:Precision weighing scales
Manufacturer Code:LOCAL
Tool Number:Spatula
Tool Name:Spatula