TASK 72-32-60-300-016 LPC Bleed Duct - Replace The Lug, Repair-016 (VRS1514)

DMC:V2500-A5-72-32-6001-09A-920A-C|Issue No:002.00|Issue Date:2014-08-01

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

V2500-A5

Common Information

TASK 72-32-60-300-016 LPC Bleed Duct - Replace The Lug, Repair-016 (VRS1514)

Effectivity

FIG/ITEM

PART NO.

01-250

5W2231

01-250

5W2268

01-250

5W2280

01-250

5W2318

01-250

5W2331

01-250

5W2332

Material of component

PART IDENT

SYMBOL

MATERIAL

LPC bleed duct assembly

A1-5Si-1.3Cu-0.5Mg

General

Price and availability - none

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

For the method to clean the parts, refer to TASK 72-32-60-100-000 (CLEANING-000).

NOTE

More equipment and materials necessary to do this repair are given in the SPM TASK 70-23-05-230-501 and SPM TASK 70-31-02-310-501.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Welding equipmentLOCALWelding equipment

Tungsten inert gas (TIG)

Hand held pneumatic grinderLOCALHand held pneumatic grinder
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
Radiographic equipmentLOCALRadiographic equipment
Vibrating marking pencilLOCALVibrating marking pencil
Heat treatment equipmentLOCALHeat treatment equipment
Thermal blanketLOCALThermal blanket
Portable heaterLOCALPortable heater
ThermocoupleLOCALThermocouple

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-031 ACETONE (CH3)2COLOCALCoMat 01-031
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 03-206 WELDING FILLER WIRELOCALCoMat 03-206
CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUMLOCALCoMat 07-028
CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)LOCALCoMat 06-064
CoMat 02-001 ADHESIVE TAPE (MASKING)LOCALCoMat 02-001

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-60-350-090 Prepare the Lug of LPC Bleed Duct Assembly

    1. Refer to Figure.

      2. Prepare the lug.

        1. Use AMS-QQ-A-250/8 temper H32 or AMS 4016 patch material for sheet plate.

        1. Use 0.189 to 0.205 in. (4.80 to 5.20 mm) thickness.

    2. SUBTASK 72-32-60-350-091 Clean the New Lug

      1. Clean the new lug.

      1. Refer to the SPM TASK 70-11-26-300-503, degrease the replacement lug.

    3. SUBTASK 72-32-60-350-092 Examine the New Lug for Cracks

      1. Fluorescent penetrant examine the new lug.

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

        2. If cracked reject the new lug and repeat operations 4, 5 and 6.

    4. SUBTASK 72-32-60-350-093 Examine the New Lug

    1. Refer to Figure.

      2. Visually and dimensionally inspect the new lug.

      1. Reject if dimensional sizes are not achieved.

    5. SUBTASK 72-32-60-350-094 Cut Off the Damaged Lug of LPC Bleed Duct Assembly

    1. Refer to Figure.

      2. Cut off the damaged lug from the LPC bleed duct assembly.

        1. Make sure the component is not damaged during the cutting operation.

    6. SUBTASK 72-32-60-350-095 Clean the LPC Bleed Duct Assembly

      1. Clean the repair area.

      1. Refer to the SPM TASK 70-11-26-300-503, degrease the repair area of the assembly.

    7. SUBTASK 72-32-60-350-096 Examine the LPC Bleed Duct Assembly

      1. Visually and dimensionally inspect the LPC Duct Assembly.

        1. Make sure the component is not damaged during the cutting operation.

        1. If damaged, reject the repair.

    8. SUBTASK 72-32-60-110-061 Remove all the Debris from the Surface

      1. Remove all the oxides, hydrocarbon, grit and scale from the surface to be welded and adjacent area by local cleaning.

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

        1. Use CoMat 01-031 ACETONE (CH3)2CO and Comat 02-099 lint free cloth.

    9. SUBTASK 72-32-60-310-001 Weld the Lug on the LPC Bleed Duct Assembly

    1. Refer to Figure.

      2. Weld the lug by tungsten inert gas (TIG) weld.

        1. Refer to the SPM TASK 70-31-02-310-501-001.

        1. Weld is a Group 2 weld.

        2. Use a tungsten inert gas (TIG) system.

        4. Refer to Figure.

    10. SUBTASK 72-32-60-310-002 Local Heat Treat the LPC Bleed Duct Assembly

      1. Local heat treat the LPC bleed duct assembly.

        1. Stress relieve at 310 deg F (154 deg C) +/- 10 deg F (+/- 5.5 deg C) for 6 hours.

        1. Use thermal blankets and portable heater.

        2. Use thermocouples to make sure the temperature is not exceeded.

        3. Refer to the SPM TASK 70-31-02-310-501-001.

    2. Air cool the part to room temperature.

      3. Local heat treat the LPC bleed duct assembly.

        1. Stress relieve at 310 deg F (154 deg C) +/- 10 deg F (+/- 5.5 deg C) for 3 hours.

        1. Use thermal blankets and portable heater.

        2. Use thermocouples to make sure the temperature is not exceeded.

        3. Refer to the SPM TASK 70-31-02-310-501-001.

    4. Air cool the part to room temperature.

    11. SUBTASK 72-32-60-110-062 Chemically Clean the Repaired Area

      1. Chemically clean the repaired area.

    12. SUBTASK 72-32-60-220-121 Examine the Weld Repair Area

    1. Refer to Figure.

      2. Visually and dimensionally examine the welded lug.

        1. Make sure the lug is correctly positioned.

        1. Make sure there is no distortion to the assembly.

        2. If distorted or if the lug is incorrectly positioned - reject the repair.

    13. SUBTASK 72-32-60-350-097 Examine the Repaired Area for Cracks

      1. Visually examine the repaired area.

      1. Refer to the SPM TASK 70-31-02-310-501-001.

      2. Fluorescent penetrant examine the repaired area.

    14. SUBTASK 72-32-60-110-063 Radiographically Examine the Repaired Area

      1. Radiographically examine the repaired area.

        1. Refer to the SPM TASK 70-31-02-310-501-001.

        1. Inspect as per group 2 weld requirements.

        2. Use radiographic equipment.

    15. SUBTASK 72-32-60-350-098 Machine the Repaired Area

    1. Refer to Figure, Figure, Figure and Figure.

    2. Machine the repaired area.

    16. SUBTASK 72-32-60-350-099 Blend and Polish the Repair Area

    1. Refer to Figure and Figure.

    2. Blend and polish the repair area.

    3. Blend and polish to restore the original lug surface profile.

    17. SUBTASK 72-32-60-110-064 Clean the Machined Area

      1. Clean the machined repair area.

      1. Refer to the SPM TASK 70-11-26-300-503, degrease the repair area.

    18. SUBTASK 72-32-60-350-100 Examine the Lug

    1. Refer to Figure, Figure, Figure and Figure.

    2. Dimensional check the repaired area.

      3. Fluorescent penetrant examine the repaired area.

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

        1. No cracks are permitted.

    19. SUBTASK 72-32-60-380-059 Surface Treat the Repaired Area

      1. Chemically clean the required area.

      2. Do a chemical touch-up to the repaired area with a brush.

    20. SUBTASK 72-32-60-110-065 Install the Plate Nut, Except Location No. 1

      1. Install the Plate Nut.

      1. Refer to TASK 72-32-60-300-005 (VRS1337) and TASK 72-32-60-300-011 (VRS1914).

    21. SUBTASK 72-32-60-110-066 Chemically Clean the Repaired Area

      1. Chemically clean the required area.

    22. SUBTASK 72-32-60-350-101 Identify the Repair

      1. Make a mark VRS1514 adjacent to the part number.

    23. SUBTASK 72-32-60-380-060 Surface Treat the Identification Area

      1. Chemically clean the required area.

      2. Do a chemical touch-up to the repaired area with a brush.

    24. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Sheet 1

    Legend
    Repair Details and Dimensions

    Sheet 1

    Close

    Figure: Repair Details and Dimensions

    Sheet 2

    Legend
    Repair Details and Dimensions

    Sheet 2

    Close

    Figure: Repair Details and Dimensions

    Sheet 3

    Legend
    Repair Details and Dimensions

    Sheet 3

    Close

    Figure: Repair Details and Dimensions

    Sheet 4

    Legend
    Repair Details and Dimensions

    Sheet 4

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised VRS number in task title. (editorial change)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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 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:LOCAL
Supply Number:CoMat 03-206
Type:sp01
Supply Short Name:CoMat 03-206 WELDING FILLER WIRE
Supply Name:CoMat 03-206 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
OMAT:310MSRR9500/32(RR REF) AWS A5.10 B.S.2901:1983 PART4, 4043A CI 4043
Suppliers:
ManufacturerRemarks
LOCAL
22994
IE441
K6835
Manufacturer Code:X222X
Supply Number:CoMat 06-064
Type:sp01
Supply Short Name:CoMat 06-064FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Supply Name:CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐064 letter suffix material with other CoMat 06‐064 letter suffix materials.Where CoMat 06‐064 is specified with no suffix, use one of the CoMat 06‐064 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Supply Number:CoMat 07-028
Type:sp01
Supply Short Name:CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM
Supply Name:CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM
Specification Groups:
Doc NumberType
DELETED. USE COMAT 01-275
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
Manufacturer Code:LOCAL
Tool Number:Hand held pneumatic grinder
Tool Name:Hand held pneumatic grinder
Link not Found
Manufacturer Code:LOCAL
Tool Number:Portable heater
Tool Name:Portable heater
Link not Found
Manufacturer Code:LOCAL
Tool Number:Thermal blanket
Tool Name:Thermal blanket
Manufacturer Code:LOCAL
Tool Number:Thermocouple
Tool Name:Thermocouple
Link not Found
Manufacturer Code:LOCAL
Tool Number:Welding equipment
Tool Name:Welding equipment