TASK 72-41-34-300-040 HPC Centralizing Pad And Housing - Refit Or Replace Loose Or Damaged Pads (Stage 3 Through 5), Repair-040 (VRS6314)

DMC:V2500-A0-72-41-3440-00A-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

All

Common Information

TASK 72-41-34-300-040 HPC Centralizing Pad And Housing - Refit Or Replace Loose Or Damaged Pads (Stage 3 Through 5), Repair-040 (VRS6314)

Effectivity

FIG/ITEM

PART NO.

03-730

6A2925

03-730

6A3988

04-730

6A2927

04-730

6A4343

04-730

6A4810

05-730

6A2930

05-730

6A4335

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Stage 3 Housing

LAH

Aluminum Alloy

HP Compressor Stage 4 and 5 Housings

EAF

Chrome Nickel Corrosion Resistant Steel

HP Compressor Stage 3 to 5

Rubbing Pads

VEA

Polymide/Graphite Polytetrafluoroethylene

General

This Repair must only be done when the instruction to do so is given in 72-41-34 INSPECTION

This Repair gives the instruction to refit or replace loose or damaged stage 3 to 5 HP Compressor rubbing pads

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

Price and availability

Refer to International Aero Engines

Related repairs

NOTE

Equivalent materials or equipment can be used.

NOTE

More equipment and materials necessary to do this Repair are in the SPM TASK 70-36-02-360-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop equipmentLOCALStandard workshop equipment
OvenLOCALOven

Hot Air

Vertical Boring MachineLOCALVertical Boring Machine

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 08-005 HEAT CURING EPOXIDE RESINADHESIVELOCALCoMat 08-005
CoMat 01-459 AQUEOUS WIPE CLEANER71410CoMat 01-459

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Rubbing Pad - Stage 36A2922As Required
Rubbing Pad - Stage 36A3953As Required
Rubbing Pad - Stage 46A2929As Required
Rubbing Pad - Stage 46A4811As Required
Rubbing Pad - Stage 56A2932As Required

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-350-130 Remove the Loose or Damaged Rubbing Pad(s) from Housing Assemblies

      2. Remove loose rubbing pad(s).

      1. Use hand methods.

        Retain pad(s) for reuse.

      3. Remove damaged rubbing pad(s).

      1. Use hand methods.

        Discard damaged pads.

    2. SUBTASK 72-41-34-350-131 Remove the Remaining Adhesive from the Housing(s) and Rubbing Pad(s) (If being reused)

      1. Remove the remaining adhesive from the housing(s) (and rubbing pad(s) if being reused.

      1. Use hand methods.

        Take care not to cause damage to the housing(s) and rubbing pad(s) (if being reused).

    3. SUBTASK 72-41-34-360-001 Replace the Rubbing Pads

      2. Visually and dimensionally inspect the fit of the rubbing pad(s) in the Housing(s).

      1. Use serviceable rubbing pad(s) removed from housing or fit new rubbing pad(s). Use:

        6A2922 for assembly number 6A2925 Figure.

        6A3953 for assembly number 6A3988 Figure.

        6A2929 for assembly number 6A2927 Figure.

        6A2929 for assembly number 6A4343 Figure.

        6A4811 for assembly number 6A4810 Figure.

        6A2932 for assembly number 6A2930 Figure.

        6A2932 for assembly number 6A4335 Figure.

      3. Prepare surfaces to be bonded.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-016.

      4. Apply filled grade adhesive to each surface.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-016.

      5. Assemble mating surfaces and clamp in place.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-016.

        Use suitable clamps.

      6. Cure adhesive.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-016.

        Heat the assembly to 347 to 365 deg F (175 to 185 deg C) for two hours.

        Use hot air oven.

    7. Remove clamps.

    4. SUBTASK 72-41-34-320-053 Machine rubbing Pads in the HP Compressor Housing Assemblies, Stage 3, 4 and 5

      2. Set up the HP Compressor Housing Assembly, Stage 3, 4 and/or Stage 5 in the machine.

      1. Use vendor tooling.

        Use a vertical boring machine.

      3. Machine the Rubbing Pads to size.

      1. HP Compressor Housing Stage 3 Assembly.

      2. Refer to Figure and Figure.

        Use a vertical boring machine.

        Use standard workshop equipment.

      3. HP Compressor Housing Stage 4 Assembly.

      4. Refer to Figure, Figure and Figure.

        Use a vertical boring machine.

        Use standard workshop equipment.

      5. HP Compressor Housing Stage 5 Assembly.

      6. Refer to Figure and Figure.

        Use a vertical boring machine.

        Use standard workshop equipment.

    5. SUBTASK 72-41-34-110-084 Clean the Housing Assemblies

      1. Clean the housing assemblies.

    6. SUBTASK 72-41-34-220-083 Dimensionally and Visually Examine the Housing Assemblies

      2. Dimensionally and visually examine the housing assemblies.

    7. Figure: Repair details and dimensions Stage 3 - Housing 6A2925, Rubbing Pad 6A2922

    Sheet 1

    Legend
    Repair details and dimensions Stage 3 - Housing 6A2925, Rubbing Pad 6A2922

    Sheet 1

    Close

    Figure: Repair details and dimensions Stage 3 - Housing 6A3988, Rubbing Pad 6A3953

    Sheet 2

    Legend
    Repair details and dimensions Stage 3 - Housing 6A3988, Rubbing Pad 6A3953

    Sheet 2

    Close

    Figure: Repair details and dimensions Stage 4 - Housing 6A2927, Rubbing Pad 6A2929

    Sheet 3

    Legend
    Repair details and dimensions Stage 4 - Housing 6A2927, Rubbing Pad 6A2929

    Sheet 3

    Close

    Figure: Repair details and dimensions Stage 4 - Housing 6A4343, Rubbing Pad 6A2929

    Sheet 4

    Legend
    Repair details and dimensions Stage 4 - Housing 6A4343, Rubbing Pad 6A2929

    Sheet 4

    Close

    Figure: Repair details and dimensions Stage 4 - Housing 6A4810, Rubbing Pad 6A4811

    Sheet 5

    Legend
    Repair details and dimensions Stage 4 - Housing 6A4810, Rubbing Pad 6A4811

    Sheet 5

    Close

    Figure: Repair details and dimensions Stage 5 - Housing 6A2930, Rubbing Pad 6A2932

    Sheet 6

    Legend
    Repair details and dimensions Stage 5 - Housing 6A2930, Rubbing Pad 6A2932

    Sheet 6

    Close

    Figure: Repair details and dimensions Stage 5 - Housing 6A4335, Rubbing Pad 6A2932

    Sheet 7

    Legend
    Repair details and dimensions Stage 5 - Housing 6A4335, Rubbing Pad 6A2932

    Sheet 7

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:71410
Enterprise Name:HENKEL CORPORATION (WAS: TURCO PRODUCTS, INC)
BU Name:HENKEL CORPORATION (WAS: TURCO PRODUCTS, INC)
Street:32100 STEPHENSON HIGHWAY
City:MADISON HEIGHTS
State:MI
Zip Code:48071
Country:USA
Phone Number:1-248-583-9300
Fax Number:1-248-583-2976
Internet:www.aerospace.henkel.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Link not Found
Link not Found
Link not Found
Manufacturer Code:71410
Supply Number:CoMat 01-459
Type:sp01
Supply Short Name:CoMat 01-459 AQUEOUS WIPE CLEANER
Supply Name:CoMat 01-459 AQUEOUS WIPE CLEANER
Specification Groups:
Doc NumberType
SPMC 148-1TURCO 6780
Suppliers:
ManufacturerRemarks
71410
Manufacturer Code:00BB6
Supply Number:CoMat 08-005
Type:sp01
Supply Short Name:CoMat 08-005 HEAT CURING EPOXIDE RESINADHESIVE
Supply Name:CoMat 08-005 HEAT CURING EPOXIDE RESINADHESIVE
Specification Groups:
Doc NumberType
LOCTITE ABLESTIK 104 F PART A AND PART B
Suppliers:
ManufacturerRemarks
00BB6
80UG0
B1152
K2F42
K3504
K6835
KF709
LOCAL
U5F65
Manufacturer Code:LOCAL
Tool Number:Oven
Tool Name:Oven
Link not Found
Link not Found