TASK 72-41-15-300-046 HP Compressor Rotor Blades, (Stages 3 To 5) - Restore The Dry Film Lubricant, Repair-046 (VRS6486)

DMC:V2500-A0-72-41-1500-00A-240A-C|Issue No:003.00|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 72-41-15-300-046 HP Compressor Rotor Blades, (Stages 3 To 5) - Restore The Dry Film Lubricant, Repair-046 (VRS6486)

Effectivity

FIG/ITEM

PART NO.

SERVICE BULLETIN

ASSEMBLY

01-200

6A3938

72-0035

A

01-200

6A4188

-

A

01-200

6A5942

72-0201/70-0726

A

01-200

6A7503

70-0714

A

01-200

6A8353

72-0487

A

01-200

6A8398

72-0481

A

01-200

6A8688

72-0561

A

01-500

6A3939

72-0035

B

01-500

6A4254

70-0726

B

01-500

6A7504

70-0714

B

01-500

6A7635

72-0295

B

01-500

6A8738

72-0560

B

01-800

6A3941

72-0035

C

01-800

6A4198

70-0726

C

01-800

6A7506

70-0714

C

01-800

6A8449

72-0490

C

01-800

6A8451

72-0490

C

01-800

6B1346

72-0587

C

General Data

The dry film lubricant must be applied before the sealing strips are bonded into position.

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 07-009 THINNERLOCALCoMat 07-009
CoMat 10-002 DRY FILM LUBRICANTLOCALCoMat 10-002

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-15-380-096 Apply the Dry Film Lubricant to the Dovetail Roots of the Stage 3, 4 and 5 Rotor Blades

    1. CAUTION

      DO NOT ABRASIVE BLAST THE DOVETAIL ROOT BEFORE YOU APPLY THE DRY FILM LUBRICANT. THIS IS A SHOT PEENED AREA.

      Refer to Figure, Figure and Figure.

      2. Apply the Dry Film Lubricant to the dovetail roots on areas identified AA

        1. Refer to SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-380-004.

        2. Mask the areas of the blade not to be coated with dry film lubricant.

        3. Apply a total coat thickness of 0.0003 inch to 0.0012 inch (0.008 mm to 0.030 mm).

    2. SUBTASK 72-41-15-380-097 Heat Cure the Rotor Blades

      1. Heat cure the rotor blades.

      1. Refer to SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-380-005.

    3. SUBTASK 72-41-15-220-239 Examine the Dry Film Lubricant

    1. Refer to Figure, Figure and Figure.

      2. Visually examine the dry film lubricant coat.

        1. Refer to SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-220-001 for inspection standards.

        1. If the dry film lubricant coat is satisfactory, continue with this repair.

        2. If the dry film lubricant coat is not satisfactory, do this repair from Step.

    4. SUBTASK 72-41-15-360-056 Bond the Sealing Strips to the Stage 4 and 5 Rotor Blades

      1. Bond the sealing strips.

      1. Refer to VRS6214, TASK 72-41-15-300-031 (REPAIR-031) and VRS6215, TASK 72-41-15-300-032 (REPAIR-032) as applicable.

    5. SUBTASK 72-41-15-350-126 Identify the Repair

    1. CAUTION

      DO NOT DO VIBRATION PEEN ON THE BLADE AIRFOIL OR LOCATION FACES.

      NOTE

      If the HP Compressor rotor blades are already identified with the code symbol as shown in Figure, Figure and Figure from the previous repair application, further identification is not necessary.

      Refer to Figure, Figure and Figure.

      2. Vibration peen the code symbol as shown in Figure, Figure and Figure adjacent to the assembly number.

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

    6. 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 - Assembly C

    Repair Details and Dimensions - Assembly C

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the effectivity table. (18VG193)

Change Type:

Revised the procedure and figure. (17VG019)

Change Type:

Deleted CoMat 02-002 and CoMat 02-019. (17VG019)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:K3504
Supply Number:CoMat 07-009
Type:sp01
Supply Short Name:CoMat 07-009 THINNER
Supply Name:CoMat 07-009 THINNER
Specification Groups:
Doc NumberType
IP 9151
Suppliers:
ManufacturerRemarks
K3504
K6835
00BB6
Manufacturer Code:LOCAL
Supply Number:CoMat 10-002
Type:sp01
Supply Short Name:CoMat 10-002 DRY FILM LUBRICANT
Supply Name:CoMat 10-002 DRY FILM LUBRICANT
Specification Groups:
Doc NumberType
OMAT: 4/44PL.239
JCR-024 (JAEC REF)PL.239
Suppliers:
ManufacturerRemarks
LOCAL
K5635
K6835
Manufacturer Code:LOCAL
Supply Number:DELETED
Type:sp01
Supply Short Name:DELETED
Supply Name:DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL