TASK 72-44-10-300-001 HPT Stage 1 Support Seal - Restore The Hardface On The Rear Contact Face, Repair-001 (VRS3271)

DMC:V2500-A0-72-44-1002-00A-609A-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 72-44-10-300-001 HPT Stage 1 Support Seal - Restore The Hardface On The Rear Contact Face, Repair-001 (VRS3271)

Effectivity

FIG/ITEM PART NO.

01-060

2A0170

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

Stage 1 HPT seal

-

-

General

Price and availability - refer to IAE

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

NOTE

You must remove the stage 1 HPT seal from the stage 1 HPT support assembly to do this repair. Refer to TASK 72-44-10-040-001.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINEDK026CoMat 03-066

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-10-120-053 Remove the Damaged Hardface from the Rear Contact Face of the Stage 1 HPT Seal

    1. Refer to: Figure

      2. Remove the damaged hardface by grit blast.

      1. Refer to the SPM TASK 70-12-09-120-501 and Figure.

    2. SUBTASK 72-44-10-220-094 Examine the Stage 1 HPT Seal After Hardface Removal

    1. Refer to Figure.

      2. Examine the axial height and the conical diameter of the seal after you remove the hardface.

      1. The axial height must not be less than 0.320 in. (8.13 mm). The conical diameter must not be more than 26.964 in. (684.89 mm).

    3. SUBTASK 72-44-10-340-053 Apply New Hardface to the Stage 1 HPT Seal, Fig

    1. Refer to Figure.

      2. Apply hardface to the seal to a thickness of 0.003 to 0.005 in. (0.077 to 0.127 mm).

    4. SUBTASK 72-44-10-220-095 Examine the Stage 1 HPT Seal After Hardface Repair

    1. Refer to Figure.

      2. Examine the seal after you restore the hardface.

    5. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:DK026
Enterprise Name:STARCK GMBH AND CO KG
BU Name:STARCK GMBH AND CO KG
Street:IM SCHLEEKE 78-91
City:38642 GOSLAR
Country:GERMANY
Phone Number:49-5321-7510
Fax Number:49-5321-7516 192
Internet:www.hcstarck.com
Manufacturer Code:DK026
Supply Number:CoMat 03-066
Type:sp01
Supply Short Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Supply Name:CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE
Specification Groups:
Doc NumberType
AMS 7875 (PW REF)AMPERIT 585.435
Suppliers:
ManufacturerRemarks
DK026