TASK 72-41-21-300-070 HPC Heatshields - Replace Loose Or Damaged Rivets And/or A Damaged Plate On The Stage 9 Front Heatshield Or Stage 10 Rear Heatshield, Repair-070 (VRS6311)

DMC:V2500-A0-72-41-2140-02A-652A-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 72-41-21-300-070 HPC Heatshields - Replace Loose Or Damaged Rivets And/or A Damaged Plate On The Stage 9 Front Heatshield Or Stage 10 Rear Heatshield, Repair-070 (VRS6311)

Effectivity

FIG/ITEM

PART NO.

03-920

6A3029

Assembly A

04-450

6A3029

Assembly A

03-920

6A4261

Assembly B

04-450

6A4262

Assembly B

Material of component

PART IDENT

SYMBOL

MATERIAL

Assembly Half Ring Stage 9, Front and Stage 10, Rear (Assembly A)

QRK

or

38 percent Nickel, 14 percent Cobalt, 1.5 percent Titanium, 1 percent Manganese

Assembly, Half Ring, Stage 10, Rear (Assembly B)

QTX

or

Iron, 38 percent Nickel, 14.5 percent Cobalt, 4.75 percent Niobium, 1.6 percent Titanium

Assembly Half Ring, Stage 9, Front Stage 10, Rear (Assembly A and Assembly B)

QTX

or

Iron, 38 percent Nickel, 14.5 percent Cobalt, 4.75 percent Niobium, 1.6 percent Titanium

Assembly, Half Ring, Stage 9 Front (Assembly B)

TDZ

5 percent Aluminum, 3 percent Zirconium, 3 percent Tin, 1 percent Niobium

Plate

EBQ

11 percent Chromium and 1 percent Molybdenum

Rivet, solid

QBE or QPK

Nimonic 75

General

This Repair must only be done when the instruction to do so is given in 72-41-21 Inspection.

This Repair replaces loose or damage rivits and/or a damaged plate, on the HP Compressor Front Heatshield, Stage 9 and the Rear Heatshield, Stage 10.

When loose or damaged rivet(s) are to be replaced do SUBTASK 72-41-21-323-069.

When a damaged plate is to be replaced do SUBTASK 72-41-21-350-181.

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

Price an availabilty

Refer to International Areo Engines

Related repairs

HP Compressor Stage 9 Front and Stage 10 Rear Heatshield Assemblies - Replace the surface protection, refer to TASK 72-41-21-300-074 (REPAIR-074)

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in the TASKS given below:

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Vertical drilling machineLOCALVertical drilling machine
Toolmakers clampLOCALToolmakers clamp

or equivalent

Standard workshop equipmentLOCALStandard workshop equipment
Vibrating marking pencilLOCALVibrating marking pencil
Portablegrinding equipmentLOCALPortable grinding equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Rivet, solid, universal headAS162462

(Assembly A and Assembly B)

Rivet, solid, universal headAS162872

(Assembly A and Assembly B)

Plate6A65181

(Assembly A and Assembly B)

Rivet, solid universal headAS162462

(Assembly A and Assembly B)

Rivet, solid, universal headAS162872

(Assembly A and Assembly B)

Plate6A65181

(Assembly A and Assembly B)

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-110-172 Clean the Assembly

      1. Chemically clean.

      2. Refer to TASK 72-41-21-100-000 (CLEANING-000).

      3. Use chemical cleaning equipment.

    1. SUBTASK 72-41-21-230-195 Do a Crack Test

      1. Do a penetrant crack test.

      2. Refer to TASK 72-41-21-200-000 (INSPECTION-000).

      3. Use penetrant crack test equipment.

      4. Cracks are not permitted.

    1. SUBTASK 72-41-21-323-069-A00 Remove Loose or Damaged Rivet(s), Assembly A

      NOTE

      The SUBTASK which follows must only be done to replace loose or damaged rivet(s).
    2. Refer to Figure and Figure.

      1. Remove loose or damaged rivet(s).

      2. Use a vertical drilling machine.

    1. SUBTASK 72-41-21-323-069-B00 Remove Loose or Damaged Rivet(s), Assembly B

      NOTE

      The SUBTASK which follow must only be done to replace loose or damaged rivet(s).
    2. Refer to Figure and Figure.

      1. Remove loose or damaged rivet(s).

      2. Use a vertical drilling machine.

    1. SUBTASK 72-41-21-220-465-A00 Examine the Rivet Hole(s), Assembly A

    2. Refer to Figure and Figure.

      1. Visually examine and measure the diameter of the rivet hole(s).

      2. Mark damage rivet hole(s).

    1. SUBTASK 72-41-21-220-465-B00 Examine the Rivet Hole(s), Assembly B

    2. Refer to Figure and Figure.

      1. Visually examine and measure the diameter of the rivet hole(s).

      2. Mark damaged rivet hole(s).

    1. SUBTASK 72-41-21-323-070-A00 Drill the Plate and Rivet Holes(s), as necessary, Assembly A

      NOTE

      Only do this SUBTASK if the larger rivet(s) are to be installed.
    2. Refer to Figure and Figure.

      1. Drill the plate and the damaged rivet hole(s) to suit the larger rivet(s), as necessary.

      2. If the two rivets have been removed, safety the plate to the heatshield with a toolmakers clamp or equivalent.

      3. Use a vertical drilling machine.

      1. Remove sharp edges.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-21-323-070-B00 Drill the Plate and Rivet Hole(s), as necessary, Assembly B

      NOTE

      Only do this SUBTASK if the larger rivet(s) are to be installed.
    2. Refer to Figure and Figure.

      1. Drill the plate and the damaged rivet hole(s) to suit the larger rivet(s), as necessary.

      2. If the two rivets have been removed safety the plate to the heatshield with a toolmakers clamp or equivalent.

      3. Use a vertical drilling machine.

      1. Remove sharp edges.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-21-110-173 Chemically Clean

      1. Chemically clean the plate and around the rivet hole(s).

      2. Refer to the SPM TASK 70-11-26-300-503.

      3. Use chemical cleaning equipment.

    1. SUBTASK 72-41-21-230-196 Do a Crack Test

      1. Do a local penetrant crack test on the plate and around the rivet hole(s).

      2. Refer to the SPM TASK 70-23-05-230-501.

      3. Cracks are not permitted.

    1. SUBTASK 72-41-21-350-179-A00 Install the Rivet(s), Assembly A

    2. Refer to Figure and Figure.

      1. Install the rivet(s) into the heatshield and plate.

      2. Use AS16246 2 off, 03-935 and 04-456 and/or AS16287 2 off, 03-936 and 04-457 as necessary.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-350-179-B00 Install the Rivet(s), Assembly B

    2. Refer to Figure and Figure.

      1. Install the rivet(s) into the heatshield and plate.

      2. Use AS16246 , 2 off, 03-935 and 04-456 and/or AS16287 , 2 off, 03-936 and 04-457 as necessary.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-390-066-A00 Safety the Rivet(s) in Place, Assembly A

    2. Refer to Figure and Figure.

      1. Cold squeeze the rivet(s) in place.

      2. Refer to the SPM TASK 70-39-03-390-501.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-390-066-B00 Safety the Rivet(s) in Place, Assembly B

    2. Refer to Figure and Figure.

      1. Cold squeeze the rivet(s) in place.

      2. Refer to the SPM TASK 70-39-03-390-501.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-110-174 Chemically Clean

      1. Chemically clean the rivet heads and plate.

      2. Refer to the SPM TASK 70-11-26-300-503.

      3. Use chemical cleaning equipment.

    1. SUBTASK 72-41-21-230-197 Do a Crack Test

      1. Do a local penetrant crack test on the rivet heads and plate.

      2. Refer to the SPM TASK 70-23-05-230-501.

      3. Cracks are not permitted.

    1. SUBTASK 72-41-21-350-180 Identify the Repair

      1. Mark VRS6311/1 adjacent to the part number when loose or damaged rivet(s) is/are replaced.

      2. Refer to the SPM TASK 70-09-00-400-501 , SUBTASK 70-09-00-400-001.

      3. Use vibro-engraving equipment.

    1. SUBTASK 72-41-21-380-180 Apply the Surface Protection, Assembly A only

      1. Apply the surface protection to the HP Compressor Stage 9 Front and/or Stage 10 rear Heatshield Assembly.

      2. Refer to VRS6312, TASK 72-41-21-300-074 (REPAIR-074).

    1. SUBTASK 72-41-21-350-181-A00 Remove the Damaged Plate, Assembly A

      NOTE

      The SUBTASKS which follow must only be used to replace the damaged plate.
    2. Refer to Figure and Figure.

      1. Release the damaged plate.

      2. Position the heatshield with damaged plate side up.

      3. Grind-off the heads of the rivets.

      4. Use a portable grinding machine.

      1. Remove the rivets.

      2. Use standard workshop equipment.

    3. Discard the damaged plate.

    1. SUBTASK 72-41-21-350-181-B00 Remove the Damaged Plate, Assembly B

      NOTE

      The SUBTASKS which follow must only be used to replace the damaged plate.
    2. Refer to Figure and Figure.

      1. Release the damaged plate.

      2. Position the heatshield with damaged plate side up.

      3. Grind-off the heads of the rivets.

      4. Use a portable grinding machine.

      1. Remove the rivets.

      2. Use standard workshop equipment.

    3. Discard the damaged plate.

    1. SUBTASK 72-41-21-220-466-A00 Examine the Rivet Holes, Assembly A

    2. Refer to Figure and Figure.

      1. Visually examine and measure the diameter of the rivet holes.

      2. Mark damaged the rivet hole(s).

    1. SUBTASK 72-41-21-220-466-B00 Examine the Rivet Holes, Assembly B

    2. Refer to Figure and Figure.

      1. Visually examine and measure the diameter of the rivet holes.

      2. Mark damaged rivet hole(s).

    1. SUBTASK 72-41-21-323-071-A00 Drill the Plate and Rivet Hole(s), Assembly A

    2. Refer to Figure and Figure.

      1. Safety the plate to the heatshield.

      2. Use 6A6518 , 1 off 03-930 or 04-460 with toolmakers clamps or equivalent.

      1. NOTE

        Drill the rivet hole(s) to suit the larger rivet if necessary.

        Drill the plate and the rivet hole(s).

      2. Position the heatshield with the plate side down.

      3. Use a vertical drilling machine.

      1. Remove sharp edges.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-21-323-071-B00 Drill the Plate and Rivet Holes, Assembly B

    2. Refer to Figure and Figure.

      1. Safety the plate to the heatshield.

      2. Use 6A6518 , 1 off 03-930 or 04-460 with toolmakers clamp or equivalent.

      1. NOTE

        Drill the rivet hole(s) to suit the larger rivet, if necessary.

        Drill the plate and the rivet hole(s).

      2. Position the heatshield with the plate side down.

      3. Use a vertical drilling machine.

      1. Remove sharp edges.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-21-110-175 Chemically Clean

      1. Chemically clean the plate and around the rivet holes.

      2. Refer to the SPM TASK 70-11-26-300-503.

      3. Use chemical cleaning equipment.

    1. SUBTASK 72-41-21-230-198 Do a Crack Test

      1. Do a local penetrant crack test on the plate and around the rivet holes.

      2. Refer to the SPM TASK 70-23-05-230-501.

      3. Cracks are not permitted.

    1. SUBTASK 72-41-21-350-182-A00 Install the Rivets, Assembly A

    2. Refer to Figure and Figure.

      1. Install the rivet(s) into the heatshield and plate.

      2. Use AS16246 , 2 off, 03-935 and 04-456 and/or AS16287 , 2 off, 03-396 and 04-457 as necessary.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-350-182-B00 Install the Rivets, Assembly B

    2. Refer to Figure and Figure.

      1. Install the rivet(s) into the heatshield and plate.

      2. Use AS16246 , 03-935 and 04-456 and/or AS16287 2 off, 03-936 and 04-457 as necessary.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-390-067-A00 Safety the Rivet(s) in Place, Assembly A

    2. Refer to Figure and Figure.

      1. Cold squeeze the rivet(s) in place.

      2. Refer to the SPM TASK 70-39-03-390-501.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-390-067-B00 Safety the Rivet(s) in Place, Assembly B

    2. Refer to Figure and Figure.

      1. Cold squeeze the rivet(s) in place.

      2. Refer to the SPM TASK 70-39-03-390-501.

      3. Use standard workshop equipment.

    1. SUBTASK 72-41-21-110-176 Chemically Clean

      1. Chemically clean the rivet heads and plate.

      2. Refer to the SPM TASK 70-11-26-300-503.

      3. Use chemical cleaning equipment.

    1. SUBTASK 72-41-21-230-199 Do a Crack Test

      1. Do a local penetrant crack test on the rivet heads and plate.

      2. Refer to the SPM TASK 70-23-05-230-501.

      3. Cracks are not permitted.

    1. SUBTASK 72-41-21-350-183 Identify the Repair

      1. Mark VRS6311/2 adjacent to the part number when a damaged plate is replaced.

      2. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

      3. Use vibro-engraving equipment.

    1. SUBTASK 72-41-21-380-121 Apply the Surface Protection, Assembly A only

      1. Apply the surface protection to the HP Compressor Stage 9 Rear and/or Stage 10 Rear Heatshield Assembly.

      2. Refer to VRS6312, TASK 72-41-21-300-074 (REPAIR-074).

  1. Figure: Repair details and dimensions - Assembly A

    Repair details and dimensions - Assembly A

    Figure: Repair details and dimensions - Assembly B

    Repair details and dimensions - Assembly B

    Figure: Repair details and dimensions

    Repair details and dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
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Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Portable grinding equipment
Tool Name:Portablegrinding equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Toolmakers clamp
Tool Name:Toolmakers clamp
Manufacturer Code:LOCAL
Tool Number:Vertical drilling machine
Tool Name:Vertical drilling machine
Link not Found