TASK 72-41-15-300-031 HPC Stage 4 Rotor Blade - Replace The Seal Strip, Repair-031 (VRS6214)

DMC:V2500-A0-72-41-1504-00A-621A-C|Issue No:002.00|Issue Date:2018-11-01

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 72-41-15-300-031 HPC Stage 4 Rotor Blade - Replace The Seal Strip, Repair-031 (VRS6214)

Effectivity

FIG/ITEM

PART NO

ASSEMBLY

01-500

6A3333

A

01-500

6A3635

A

01-500

6A3939

A

01-500

6A4254

B

01-500

6A7635

C

01-500

6A8738

C

Material of component

PART IDENT

MATERIAL

HP compressor stage 4 rotor blade

Titanium alloy

Seal strip

Silicone rubber sheet

General

This repair must only be done when the instruction to do so is given in 72-41-15 Inspection/Check.

The dry film lubricant where applicable must be applied before the sealing strips are bonded in to position.

The area used for bonding shall be segregated from normal workshop conditions, and shall be kept clean. Refer to SPM TASK 70-36-07-360-501.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the cleaning and inspection procedures are done before this repair.

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
DELETEDLOCALDELETED
CoMat 05-016 GARNET PAPER, 80-GRITLOCALCoMat 05-016
CoMat 05-017 GARNET PAPER, 60 GRITLOCALCoMat 05-017
CoMat 08-012 COLD CURING SILICONE COMPOUNDLOCALCoMat 08-012
CoMat 08-013 COLD CURING SILICONE COMPOUNDLOCALCoMat 08-013
CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANTLOCALCoMat 08-014

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Seal strip6A10321
Seal strip6A42561
Seal strip6A76461

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-15-110-076-A00 Prepare the Parts for Bonding, Assembly A

    1. Refer to Figure.

      2. Prepare the blade for bonding.

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-110-003.

      3. Prepare the seal for bonding.

      1. Use 6A1032 6A1032 .

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11- 26-110-003.

    2. SUBTASK 72-41-15-110-076-B00 Prepare the Parts for Bonding, Assembly B

    1. Refer to Figure.

      2. Prepare the blade for bonding.

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-110-003.

      3. Prepare the seal for bonding.

      1. Use 6A4256 6A4256 .

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-110-003.

    3. SUBTASK 72-41-15-110-076-C00 Prepare the Parts for Bonding, Assembly C

    1. Refer to Figure.

      2. Prepare the blade for bonding.

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-110-003.

      3. Prepare the seal for bonding.

      1. Use 6A7646 6A7646 .

      2. Clean the repair area with a solvent. Refer to SPM TASK 70-11-26-300-503, SUBTASK 70-11-26-110-003.

    4. SUBTASK 72-41-15-360-051-A00 Apply the Adhesive, Assembly A

    1. Refer to Figure and Figure.

      2. Apply a thin layer of primer to the mating surface on the blade.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-020.

      3. Dry in air for 30 minutes.

      3. Apply the compound to the mating surfaces on the blade and the seal.

      1. Use 6A1032 6A1032 .

      4. Assemble the seal to the blade.

      1. Assemble immediately, or less than 3 minutes after the compound was applied.

      2. Make sure that the compound can be seen around the seal edges.

      3. Remove excess compound from the adjacent areas.

      4. Cure at 60 deg F to 80 deg F (16 deg C to 27 deg C) for 48 hours. The relative humidity must be controlled at a minimum of 50 percent at 75 deg F (24 deg C) or equivalent moisture level. To find equivalent moisture levels, see Figure.

    5. SUBTASK 72-41-15-360-051-B00 Apply the Adhesive, Assembly B

    1. Refer to Figure and Figure.

      2. Apply a thin layer of primer to the mating surface on the blade.

      1. Refer to the SPM TASK 70-36-02-360-501 SUBTASK 70-36-02-360-020.

      3. Dry in air for 30 minutes.

      3. Apply the compound to the mating surfaces on the blade and the seal.

      1. Use 6A4256 6A4256 .

      4. Assemble the seal to the blade.

      1. Assemble immediately, or less than 3 minutes after the compound was applied.

      2. Make sure that the compound can be seen around the seal edges.

      3. Remove excess compound from the adjacent areas.

      4. Cure at 60 deg F to 80 deg F (16 deg C to 27 deg C) for 48 hours. The relative humidity must be controlled at a minimum of 50 percent at 75 deg F (24 deg C) or equivalent moisture level. To find equivalent moisture levels, see Figure.

    6. SUBTASK 72-41-15-360-051-C00 Apply the Adhesive, Assembly C

    1. Refer to Figure and Figure.

      2. Apply a thin layer of primer to the mating surface on the blade.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-020.

      3. Dry in air for 30 minutes.

      3. Apply the compound to the mating surfaces on the blade and the seal.

      1. Use 6A7646 6A7646 .

      4. Assemble the seal to the blade.

      1. Assemble immediately, or less than 3 minutes after the compound was applied.

      2. Make sure that the compound can be seen around the seal edges.

      3. Remove excess compound from the adjacent areas.

      4. Cure at 60 deg F to 80 deg F (16 deg C to 27 deg C) for 48 hours. The relative humidity must be controlled at a minimum of 50 percent at 75 deg F (24 deg C) or equivalent moisture level. To find equivalent moisture levels, see Figure.

    7. SUBTASK 72-41-15-220-190-A00 Examine the Seal, Assembly A

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the seal.

      1. Make sure that there is no compound on the surfaces adjacent to the seal.

      2. There must be continuity of bond around the seal.

    8. SUBTASK 72-41-15-220-190-B00 Examine the Seal, Assembly B

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the seal.

      1. Make sure that there is no compound on the surfaces adjacent to the seal.

      2. There must be continuity of bond around the seal.

    9. SUBTASK 72-41-15-220-190-C00 Examine the Seal, Assembly C

    1. Refer to Figure.

      2. Visually examine and measure the dimensions of the seal.

      1. Make sure that there is no compound on the surfaces adjacent to the seal.

      2. There must be continuity of bond around the seal.

    10. Figure: Repair details and dimensions - Assemblies A and B

    Repair details and dimensions - Assemblies A and B

    Figure: Repair details and dimensions - Assembly C

    Repair details and dimensions - Assembly C

    Figure: Equivalent Relative Humidity

    Equivalent Relative Humidity

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure and figure. (17VG019)

Change Type:

Deleted CoMat 01-005 and CoMat 01-126. (17VG019)

Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Link not Found
Link not Found
Manufacturer Code:0KHE3
Supply Number:CoMat 05-016
Type:sp01
Supply Short Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Supply Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 80 GRADE 0 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
LOCAL
C4347
K0993
K2F42
K6835
V571V
Manufacturer Code:0KHE3
Supply Number:CoMat 05-017
Type:sp01
Supply Short Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Supply Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 60 GRADE 1/2 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
C4347
LOCAL
K0993
K6835
Manufacturer Code:X222X
Supply Number:CoMat 08-012
Type:sp01
Supply Short Name:CoMat 08-012 COLD CURING SILICONE COMPOUND
Supply Name:CoMat 08-012 COLD CURING SILICONE COMPOUND
Specification Groups:
Doc NumberType
If CoMat 08-012 is specified without an asterisk or a letter suffix, use one of the letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 08-013
Type:sp01
Supply Short Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Supply Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Specification Groups:
Doc NumberType
If CoMat 08-013 is specified without an asterisk or a letter suffix, use one of the letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 08-014
Type:sp01
Supply Short Name:CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT
Supply Name:CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT
Specification Groups:
Doc NumberType
Use the applicable letter suffix material. Refer to SPM TASK 70-36-02-360-501.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL