TASK 72-32-35-300-002 Front Bearing Compartment Rear Air Seal Assembly - Replace The Brush Seal, Repair-002 (VRS1252)

DMC:V2500-A1-72-32-3501-00A-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

V2500-A1

Common Information

TASK 72-32-35-300-002 Front Bearing Compartment Rear Air Seal Assembly - Replace The Brush Seal, Repair-002 (VRS1252)

Effectivity

FIG/ITEM

PART NO.

01-100

5R0057

01-100

5R0176

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Holder, brush seal rear

Titanium alloy

General

Price and availability

Refer to IAE for the following:

Tools

Engine parts

Repair of spares

This Repair gives the procedure for replacement of the brush seal.

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

A ** following a Repair referenced in this repair indicates that the Repair is not yet published in the current revision of this manual and the part must be rejected.

Contact IAE for additional information concerning FAA approved repair data.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Seal, A/O brush6A20541

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-35-350-052 Remove the Damaged Brush Seal

      1. Remove the damaged brush seal.

      2. Press two pins of brush seal evenly, and remove the brush seal.

    1. SUBTASK 72-32-35-220-056 Examine the Inner Diameter of the Brush Seal Holder

    2. Measure the inner diameter of the brush seal holder.

      1. Within the limit in Figure.

      2. Accept.

      1. Diameter more than in Step.

      2. Repair VRS1253, TASK 72-32-35-300-004**.

    1. SUBTASK 72-32-35-350-053 Install the Brush Seal

      1. WARNING

        APPLICABLE PROTECTIVE CLOTHING MUST BE WORN WHEN HANDLING LIQUID NITROGEN AND COOLED COMPONENTS.

        Cool the brush seal.

      2. Immerse the brush seal in CoMat 03-026 LIQUID NITROGEN.

    2. Install the brush seal in position.

    1. SUBTASK 72-32-25-220-057 Examine the FBC Rear Seal Assembly

      1. Do a visual inspection.

  1. Figure: FBC Rear air seal

    FBC Rear air seal

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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