TASK 75-32-52-300-003 HPC Stage 7 Bleed Outlet Duct And Seal Assembly - Replace The Seal On The RH Lower Assembly, Repair-003 (VRS6046)

DMC:V2500-A0-75-32-5201-01A-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 75-32-52-300-003 HPC Stage 7 Bleed Outlet Duct And Seal Assembly - Replace The Seal On The RH Lower Assembly, Repair-003 (VRS6046)

Effectivity

FIG/ITEM

PART NO.

01-465

6A3195

Material of components

DESCRIPTION

RR SYMBOL

MATERIAL

Seal retaining ring

TCA

Titanium alloy

Backing plate

TAK

Titanium alloy

Duct assembly

TAK

Titanium alloy

Flexible sealing duct

-

Dunlop rubber

General

This TASK replaces the HP compressor stage 7 right lower air seal.

Price and availability.

Refer to International Aero Engines AG.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop toolsLOCALStandard workshop tools
Riveting equipmentLOCALRiveting equipment

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
RIVET - SOLID CSK HEADU1653AS16492
RIVET - SOLID CSK HEADU1653AS16532
DUCT - SEALK7766ARM944

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-32-52-350-055 Disassemble the Air Seal Assembly

    1. Refer to Figure.

      2. Remove the rivets.

      1. Use an applicable drill.

      3. Disassembly the seal assembly.

      1. Remove the damaged seal.

    2. SUBTASK 75-32-52-220-063 Inspect the Parts of the Air Seal Assembly

    1. Refer to Figure and Figure.

      2. Visually and dimensionally inspect the parts of the air seal assembly.

      1. Make sure the rivet holes are the correct dimension in the support ring and the seal retaining ring.

      2. Mark the position of damaged holes.

    3. SUBTASK 75-32-52-320-052 Drill the Damaged Holes

    1. Refer to Figure.

      2. Drill the damaged holes.

      1. Clamp the parts together with the rivet holes aligned and drill the oversize holes to the dimensions for the large rivet.

      3. Deburr the holes.

      1. Use hand methods.

    4. SUBTASK 75-32-52-350-056 Assemble the Air Seal Assembly

    1. Refer to Figure and Figure.

      2. Install the new seal.

      1. Assemble the air seal assembly with the new seal duct (75-32-52,01-486).

      2. Make sure the holes in the assembled parts are aligned and drill the rivet holes in the seal duct to agree with the rivet dimensions.

    5. SUBTASK 75-32-52-390-052 Rivet the Air Seal Assembly

    1. Refer to Figure and Figure.

      2. Cold rivet the seal in position.

      1. Use usual rivets (75-32-52,01-480) AS16492 or large rivets (75-32- 52,01-480) AS16532 as necessary.

    6. SUBTASK 75-32-52-220-064 Inspect the Assembled Air Seal Assembly

    1. Refer to Figure.

    2. Visually and dimensionally inspect the air seal assembly.

    7. SUBTASK 75-32-52-350-057 Vibro-engrave the Part

    1. Refer to Figure.

    2. Vibro-engrave VRS6046 adjacent to the part number.

    8. Figure: The Replacement of the Seal Duct

    The Replacement of the Seal Duct

    Figure: A General Section Through the Rivet

    A General Section Through the Rivet

    Figure: Identification Mark Location

    Identification Mark Location

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:K7766
Enterprise Name:K7766
BU Name:British Standards Institution
Street:2 Park Street
City:London
Zip Code:AW1A 2BS
Country:England
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:U1653
Enterprise Name:Society Of British Aerospace Companies, LTD.
Part Number:ARM944
Part Name:DUCT - SEAL
Manufacturer Code:K7766
Part Number:AS16492
Part Name:RIVET - SOLID CSK HEAD
Manufacturer Code:U1653
Unit Of Issue:EA
Part Number:AS16532
Part Name:RIVET - SOLID CSK HEAD
Manufacturer Code:U1653
Unit Of Issue:EA
Manufacturer Code:LOCAL
Tool Number:Riveting equipment
Tool Name:Riveting equipment
Manufacturer Code:LOCAL
Tool Number:Standard workshop tools
Tool Name:Standard workshop tools