TASK 72-41-23-300-003 HPC Rear Outer Case - Replace The Surface Protection, Repair-003 (VRS6178)

DMC:V2500-A0-72-41-2301-00A-609A-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 72-41-23-300-003 HPC Rear Outer Case - Replace The Surface Protection, Repair-003 (VRS6178)

Effectivity

FIG/ITEM

PART NO.

02-400

6A2949

02-400

6A3557

02-400

6A4154

02-400

6A5495

02-400

6A5682

02-400

6A8162

02-400

6B1427

Material of component

PART IDENT

MATERIAL

HPC Rear Outer Case

Corrosion resistant steel

General

This repair must only be done when the instruction to do so is given in the inspection procedures (identified by the applicable part number) located in TASK 72-41-23-200-001-A00, TASK 72-41-23-200-001-B00 and TASK 72-41-23-200-001-C00, Inspection-001.

This Repair replaces the surface protection on the HPC Rear Outer Case.

TASKS identified by SPM TASK are in the Standard Practices Manual (SPM).

More equipment and materials necessary to do this repair are in each SPM TASK identified in this repair.

Price and Availability

Refer to International Aero Engines.

Related Repairs

HPC Rear Outer Case - Replace the Damaged Shank Nuts, refer to Repair, VRS6279 TASK 72-41-23-300-011 (REPAIR-011).

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the cleaning and inspection procedures, including any required FPI and other needed repairs, are done before this repair.
Make sure the Shank Nuts are removed.TASK 72-41-23-300-011

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-073 INK, METAL MARKINGLOCALCoMat 06-073
CoMat 07-035 CORROSION RESISTANT COATINGLOCALCoMat 07-035
CoMat 07-104 ALUMINIUM HIGH HEAT RESISTANT PAINTLOCALCoMat 07-104
CoMat 07-125 LACQUER0W199CoMat 07-125
CoMat 07-175 COATING COMPOUND - ALUMINUM, INORGANIC BINDER53012CoMat 07-175

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-21-330-071 Remove the Coat

    1. If the surface protection coating is not already removed or not completely removed, remove the coat completely by TASK 72-41-00-100-000 (Cleaning-000).

    2. SUBTASK 72-41-21-350-280 Mark the Part

    1. Mark the part with VRS6178 adjacent to the assembly part number. See Figure Index [2] and Figure, Index [2].

    2. Use vibration peen by SPM TASK 70-09-00-400-501.

    3. SUBTASK 72-41-21-380-155 Apply Surface Protection

      1. Prepare the surface and apply the surface protection coating and examine the coated surface on the part by one of the following procedures. Refer to Figure and Figure. Unless otherwise stated in the figures, apply coat all over the part.

        1. For PN 6A2949, PN 6A3557, PN 6A4154 and PN 6A5495, refer to Figure.

        2. For PN 6A5682, PN 6A8162 and PN 6B1427, refer to Figure.

        1. For PN 6A2949, PN 6A3557, PN 6A4154 and PN 6A5495, refer to Figure.

        2. For PN 6A5682, PN 6A8162 and PN 6B1427, refer to Figure.

        1. For PN 6A2949, PN 6A3557, PN 6A4154 and PN 6A5495, refer to Figure.

        2. For PN 6A5682, PN 6A8162 and PN 6B1427, refer to Figure.

    4. SUBTASK 72-41-21-350-281 Mark the Part

      1. Mark the part with the part number and VRS6178 adjacent to the assembly part number. See Figure Index [2] and Figure, Index [2].

      1. Use temporary marking by SPM TASK 70-09-01-400-501.

        1. CoMat 06-073 INK, METAL MARKING must be completely dry prior to application of CoMat 07-125 LACQUER.

        2. Apply two thin coats of CoMat 07-125 LACQUER to avoid dissolving ink pigment. Allow each layer to dry prior to the next coat.

        3. Heavier application of CoMat 07-125 LACQUER is permitted after the light application of the coating completely dries.

    5. Figure: Repair Details and Dimensions

    (1) Area To Be Masked. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Legend
    1

    (1) Area To Be Masked. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    (2) Marking Location

    (3) 25.787 Inch (655 mm) Diameter, Reference

    (4) 0.346 Inch - 0.361 Inch (8.80 mm - 9.16 mm) Diameter, Reference. Typical 54 Holes. 49 Holes On The Basis Of 54 Equally Spaced And Five Holes Offset, Reference.

    (5) 0.591 Inch - 0.630 Inch (15.00 mm - 16.00 mm) Diameter No Coat Zone Around Holes, Area To Be Masked. Typical 54 Holes. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    (6) 26.398 Inch (670.51 mm) Diameter, Reference

    (7) 0.2756 Inch - 0.2764 Inch (7.00 mm - 7.022 mm) Diameter, Reference

    (8) 0.346 Inch - 0.361 Inch (8.80 mm - 9.16 mm) Diameter, Reference. Typical 114 Holes. 112 Holes On The Basis Of 114 Equally Spaced And Two Holes Offset, Reference.

    (9) 0.591 Inch - 0.630 Inch (15.00 mm - 16.00 mm) Diameter No Coat Zone Around holes, Area To Be Masked. Typical 114 Holes. Dry Abrasive Blast And Coat Not Allowed In These Areas.

    (10) 81.900 Degrees From Top, Reference

    (11) 108.783 Degrees From Top, Reference

    (12) 62.000 Degrees From Top, Reference

    (13) 132.500 Degrees From Top, Reference

    Close

    Figure: Repair Details and Dimensions

    (1) Area To Be Masked. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Repair Details and Dimensions

    Legend
    1

    (1) Area To Be Masked. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    (2) Marking Location

    (3) Area To Be Masked On Both Sides Of Flange. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes. See Indexes [11], [12] and [13].

    (4) 0.315 Inch - 0.394 Inch (8.00 mm - 10.00 mm)

    (5) 25.787 Inch (655 mm) Diameter. Reference

    (6) 0.346 Inch - 0.361 Inch (8.80 mm - 9.16 mm) Diameter, Reference. Typical 54 Holes. 49 Holes On The Basis Of 54 Equally Spaced And Five Holes Offset, Reference.

    (7) 0.591 Inch - 0.630 Inch (15.00 mm - 16.00 mm) Diameter No Coat Zone Around Holes. Typical 54 Holes. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    (8) 24.213 Inch (615.00 mm) Diameter, Reference

    (9) 26.398 Inch (670.51 mm) Diameter, Reference

    (10) 0.346 Inch - 0.361 Inch (8.80 mm - 9.16 mm) Diameter, Reference. Typical 114 Holes. 112 Holes On The Basis Of 114 Equally Spaced And Two Holes Offset, Reference.

    (11) 0.2756 Inch - 0.2764 Inch (7.00 mm - 7.022 mm) Diameter, Reference

    (12) 1.890 Inch - 2.047 Inch (48.00 mm - 52.00 mm), Both Sides Of Center Of Hole Group, Six Equally Spaced Groups Of Five Holes Each.

    (13) 15.000 Degrees To Center Hole Of Hole Group, Reference

    (14) 6.000 Degrees -10.000 Degrees , Both Sides Of Center Of Hole Group, Six Equally Spaced Groups Of Five Holes Each.

    (15) 0.591 Inch - 0.630 Inch (15.00 mm - 16.00 mm) Diameter No Coat Zone Around Holes. Typical 114 Holes. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

    (16) 81.900 Degrees From Top, Reference

    (17) 108.783 Degrees From Top, Reference

    (18) 62.000 Degrees From Top, Reference

    (19) 132.500 Degrees From Top, Reference

    Close

Requirements After Job Completion

Follow-On Conditions

Action/ConditionData Module/Technical Publication
Replace the Shank Nuts.TASK 72-41-23-300-011
Change Type:

Revised the full procedure. (17VG003)

Manufacturer Code:0W199
Enterprise Name:THE SHERWIN-WILLIAMS CO
BU Name:THE SHERWIN-WILLIAMS CO
Street:2390 ARBOR BOULEVARD
City:DAYTON
State:OH
Zip Code:45439
Country:USA
Phone Number:1-937-298-8691
Fax Number:1-937-298-3820
Internet:www.sherwin-williams.com, www.sherwin.com
Manufacturer Code:53012
Enterprise Name:COATINGS FOR INDUSTRY INC
BU Name:COATINGS FOR INDUSTRY INC
Street:319 TOWNSHIP LINE ROAD
City:SOUDERTON
State:PA
Zip Code:18964
Country:USA
Phone Number:1-215-723-0919
Fax Number:1-215-723-0911
Internet:www.coating4ind.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 06-073
Type:sp01
Supply Short Name:CoMat 06-073 INK, METAL MARKING
Supply Name:CoMat 06-073 INK, METAL MARKING
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Supply Number:CoMat 07-035
Type:sp01
Supply Short Name:CoMat 07-035 CORROSION RESISTANT COATING
Supply Name:CoMat 07-035 CORROSION RESISTANT COATING
Specification Groups:
Doc NumberType
OMAT:7/46B (RR REF)
JCR-030 (JAEC REF)
IPCOTE 9183 RI
Suppliers:
ManufacturerRemarks
LOCAL
IE200
K3504
00BB6
Manufacturer Code:00BB6
Supply Number:CoMat 07-104
Type:sp01
Supply Short Name:CoMat 07-104 ALUMINIUM HIGH HEAT RESISTANT PAINT
Supply Name:CoMat 07-104 ALUMINIUM HIGH HEAT RESISTANT PAINT
Specification Groups:
Doc NumberType
IP 9253-R2
Suppliers:
ManufacturerRemarks
00BB6
K3504
Manufacturer Code:0W199
Supply Number:CoMat 07-125
Type:sp01
Supply Short Name:CoMat 07-125 LACQUER
Supply Name:CoMat 07-125 LACQUER
Specification Groups:
Doc NumberType
PMC 1641CRYSTAL CLEAR ACRYLIC SPRAY 1303
Suppliers:
ManufacturerRemarks
0W199
Manufacturer Code:53012
Supply Number:CoMat 07-175
Type:sp01
Supply Short Name:CoMat 07-175 COATING COMPOUND -ALUMINUM, INORGANIC BINDER
Supply Name:CoMat 07-175 COATING COMPOUND - ALUMINUM, INORGANIC BINDER
Specification Groups:
Doc NumberType
PWA 36595 (PW REF)ALSEAL 5K
Suppliers:
ManufacturerRemarks
53012