TASK 72-31-11-100-002-B00 LPC Fan Blade - Clean The LPC Fan Blade (METCO 58 Coated Root) (Post SB 72-0375/Post SB 72-0384)

DMC:V2500-A0-72-31-1101-00B-251A-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 72-31-11-100-002-B00 LPC Fan Blade - Clean The LPC Fan Blade (METCO 58 Coated Root) (Post SB 72-0375/Post SB 72-0384)

Effectivity

FIG/ITEM

PART NO.

01-300

6A7613

01-300

6A7614

01-300

6A7649

01-300

6A7650

01-300

6A7651

01-300

6A7652

01-300

6A7653

01-300

6A7654

01-300

6A7655

01-300

6A7658

General

This TASK gives the procedure to clean the Post SB 72-0375/Post SB 72-0384 LP compressor rotor blade assembly.

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

References

Refer to the SPM for data on these items.

Cleaning - General Information SPM TASK 70-10-00-100-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Cleaning equipmentLOCALCleaning equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-030 SODIUM CARBONATE Na2CO3LOCALCoMat 01-030
CoMat 01-031 ACETONE (CH3)2COLOCALCoMat 01-031
CoMat 01-044 SODIUM METASILICATE Na2SiO3.5H2OLOCALCoMat 01-044
CoMat 01-124 ISOPROPYL ALCOHOLLOCALCoMat 01-124
CoMat 01-271 PAINT STRIPPERLOCALCoMat 01-271
CoMat 01-272 PAINT STRIPPERLOCALCoMat 01-272
CoMat 01-339 ALKALI CLEANER (GENERAL PURPOSE)LOCALCoMat 01-339
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 05-240 PLASTIC BLAST MEDIAIE511CoMat 05-240
CoMat 01-086 AMMONIUM HYDROXIDE SOLN NH4OHLOCALCoMat 01-086

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-31-11-110-087 Remove the Soft Dirt and the Dust

      1. Remove the soft dirt and the dust. Refer to the SPM TASK 70-11-26-300-503.

      1. Do not soak. Use a soft bristle brush or swab.

      2. Dry.

      1. Use clean dry air blast or CoMat 02-099 LINT-FREE CLOTH.

    2. SUBTASK 72-31-11-110-093 Clean the LP Compressor Rotor Blade Assembly

      NOTE

      Do this procedure only if more cleaning is required to complete the inspection requirement.

    3. SUBTASK 72-31-11-110-088 Remove the Chocking Pads

      1. Remove the chocking pads.

      1. Use hand method or non-metallic scraper.

      2. Apply solvent to soften the adhesive to allow easy removal.

      3. Remove the residual adhesive.

      1. Use non-metallic scraper.

    4. Repeat Step and Step if necessary.

      5. Wash.

      1. Cold water.

      6. Dry.

      1. Use clean dry air blast.

    4. SUBTASK 72-31-11-110-089 Remove the Dry Film Lubricant

      1. CAUTION

        MAKE SURE YOU DO NOT USE ANY ABRASIVE MEDIUM OTHER THAN GIVEN IN THIS Step TO REMOVE/CLEAN THE DRY FILM LUBRICANT. IF YOU DO, DAMAGES TO THE METCO 58 COATING WILL OCCUR AND YOU MUST REPLACE THE METCO 58 COATING BEFORE YOU REPLACE THE DRY FILM LUBRICANT.

        CAUTION

        DO NOT USE CoMat 01-086 AMMONIUM HYDROXIDE SOLN NH4OH OR 01-361 AMMONIUM CARBONATE. THEY CAN AFFECT THE METCO 58 COATING ON THE DOVETAIL PRESSURE SURFACE.

        NOTE

        This Step and Step are alternatives.

        Remove the dry film lubricant. Refer to the SPM TASK 70-11-29-300-503.

    5. SUBTASK 72-31-11-120-054 Remove the Dry Film Lubricant

      1. CAUTION

        ONLY USE PRESSURE TYPE MACHINES TO REMOVE THE DRY FILM LUBRICANT ON THE METCO 58 COATED FAN BLADES. DO NOT USE SUCTION TYPE MACHINES TO REMOVE THE DRY FILM LUBRICANT ON THE METCO 58 COATED FAN BLADES.

        CAUTION

        DO NOT EXCEED THE MAXIMUM PRESSURE OF 40 PSI (257.8 KPA) FOR PRESSURE TYPE MACHINES. EXCEEDING THE MAXIMUM PRESSURE OF 40 PSI (275.8 KPA) FOR PRESSURE TYPE MACHINES CAN DAMAGE THE METCO 58 COATING. THE METCO 58 COATING THAT HAS BEEN PROCESSED WITH A HIGHER PRESSURE MUST BE REPLACED BEFORE THE DRY FILM LUBRICANT IS REPLACED.

        CAUTION

        ONLY USE CoMat 05-240 PLASTIC BLAST MEDIA, TO REMOVE THE DRY FILM LUBRICANT ON THE METCO 58 COATED FAN BLADES. NO OTHER BLASTING MATERIAL IS ALLOWED TO REMOVE THE DRY FILM LUBRICANT ON THE METCO 58 COATED FAN BLADES.

        NOTE

        This Step and Step are alternatives.

        Remove the dry film lubricant. Refer to the SPM TASK 70-12-07-120-501.

    6. SUBTASK 72-31-11-110-090 Remove the Polyurethane Paint

      1. Remove the polyurethane paint. Refer to the SPM TASK 70-11-29-300-503.

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:IE511
Enterprise Name:FLUGZEUG-UNION SUD GMBH
BU Name:FLUGZEUG-UNION SUD GMBH
Street:RUDOLF-DIESEL-STR 26
City:OTTOBRUNN-RIEMERLING
Zip Code:85521
Country:GERMANY
Phone Number:49-89-607-25393
Fax Number:49-89-607-25362
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:K0419
Supply Number:CoMat 01-030
Type:sp01
Supply Short Name:CoMat 01-030 SODIUM CARBONATE Na2CO3
Supply Name:CoMat 01-030 SODIUM CARBONATE Na2CO3
Specification Groups:
Doc NumberType
OMAT: 119 (RR REF)ANHYDROUS SODIUM CARBONATE, TECHNICAL GRADE, CERTIFIED TO B.S.3674:1981 (1992) OR TO A‐A‐59563 TYPE 2
Suppliers:
ManufacturerRemarks
K0419
K6835
LOCAL
U0SV8
U6726
V272V
Manufacturer Code:LOCAL
Supply Number:CoMat 01-031
Type:sp01
Supply Short Name:CoMat 01-031 ACETONE (CH3)2CO
Supply Name:CoMat 01-031 ACETONE (CH3)2CO
Specification Groups:
Doc NumberType
OMAT: 150 (RR REF)COMMERCIAL GRADE O-A-51
PMC 9008 (PW REF)COMMERCIAL GRADE O-A-51
JCR-041 (JAEC REF)COMMERCIAL GRADE O-A-51
MTH 169 (98%) (MTU REF)COMMERCIAL GRADE O-A-51
Suppliers:
ManufacturerRemarks
LOCAL
K6835
81348
K3504
U1185
24853
70657
Manufacturer Code:LOCAL
Supply Number:CoMat 01-044
Type:sp01
Supply Short Name:CoMat 01-044 SODIUM METASILICATE Na2SiO3.5H2O
Supply Name:CoMat 01-044 SODIUM METASILICATE Na2SiO3.5H2O
Specification Groups:
Doc NumberType
OMAT: 120 (RR REF)TECHNICAL GRADE
JCR-111 (JAEC REF)TECHNICAL GRADE
MTH 135 (56%) (MTU REF)TECHNICAL GRADE
Suppliers:
ManufacturerRemarks
LOCAL
70657
K6835
U1185
24853
Manufacturer Code:K0419
Supply Number:CoMat 01-086
Type:sp01
Supply Short Name:CoMat 01-086 AMMONIUM HYDROXIDE SOLN NH4OH
Supply Name:CoMat 01-086 AMMONIUM HYDROXIDE SOLN NH4OH
Specification Groups:
Doc NumberType
OMAT: 129 (RR REF)S.G 0.880 (APPROX. 35 PERCENT NH4) AMMONIUM HYDROXIDE SOLUTION, ANALYTICAL (UNIVAR®) GRADE
JCR-108 (JAEC REF)S.G 0.880 (APPROX. 35 PERCENT NH4) AMMONIUM HYDROXIDE SOLUTION, ANALYTICAL (UNIVAR®) GRADE
Suppliers:
ManufacturerRemarks
K0419
K6835
LOCAL
U0SV8
U6726
Manufacturer Code:LOCAL
Supply Number:CoMat 01-124
Type:sp01
Supply Short Name:CoMat 01-124 ISOPROPYL ALCOHOL
Supply Name:CoMat 01-124 ISOPROPYL ALCOHOL
Specification Groups:
Doc NumberType
OMAT:1/40GPR TECHNICAL GRADE
PMC 9094GPR TECHNICAL GRADE
JCR-011GPR TECHNICAL GRADE
Suppliers:
ManufacturerRemarks
LOCAL
U1185
24853
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 01-271
Type:sp01
Supply Short Name:CoMat 01-271 PAINT STRIPPER
Supply Name:CoMat 01-271 PAINT STRIPPER
Specification Groups:
Doc NumberType
OMAT: 1/56TURCO F.R. CONDITIONER NO.2
JCR-112TURCO F.R. CONDITIONER NO.2
Suppliers:
ManufacturerRemarks
LOCAL
71410
D8908
IE246
IE388
IE386
K0519
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 01-272
Type:sp01
Supply Short Name:CoMat 01-272 PAINT STRIPPER
Supply Name:CoMat 01-272 PAINT STRIPPER
Specification Groups:
Doc NumberType
OMAT:1/56AARDROX 29
Suppliers:
ManufacturerRemarks
LOCAL
23373
37127
B1082
IE108
IE206
K6835
K6858
C1308
Manufacturer Code:LOCAL
Supply Number:CoMat 01-339
Type:sp01
Supply Short Name:CoMat 01-339 ALKALI CLEANER (GENERAL PURPOSE)
Supply Name:CoMat 01-339 ALKALI CLEANER (GENERAL PURPOSE)
Specification Groups:
Doc NumberType
CEE-BEE A-7X7SPMC 104 (PW REF)
SPMC 104CEE-BEE A-7X7
Suppliers:
ManufacturerRemarks
LOCAL
3MCT7
U5702
Manufacturer Code:LOCAL
Supply Number:CoMat 02-001
Type:sp01
Supply Short Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Supply Name:CoMat 02-001 ADHESIVE TAPE (MASKING)
Specification Groups:
Doc NumberType
OMAT: 230 (RR REF)ZINC OXIDE AT142
JCR-197 (JAEC REF)ZINC OXIDE AT142
Suppliers:
ManufacturerRemarks
LOCAL
K6835
U0415
Manufacturer Code:X222X
Supply Number:CoMat 02-099
Type:sp01
Supply Short Name:CoMat 02-099 LINT-FREE CLOTH
Supply Name:CoMat 02-099 LINT-FREE CLOTH
Specification Groups:
Doc NumberType
WHERE COMAT 02-099 IS SPECIFIED WITH NO SUFFIX, USE COMAT 02-099A OR COMAT 02-099B.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:C3878
Supply Number:CoMat 05-240
Type:sp01
Supply Short Name:CoMat 05-240 PLASTIC BLAST MEDIA
Supply Name:CoMat 05-240 PLASTIC BLAST MEDIA
Specification Groups:
Doc NumberType
DRY STRIP TYPE 2
Suppliers:
ManufacturerRemarks
C3878
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