TASK 71-21-11-300-007 Thrust Mount Brackets - Replace The Damaged Bush, Repair-007 (VRS1105)

DMC:V2500-A0-71-21-1103-00A-920A-C|Issue No:001.00|Issue Date:2014-05-01

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 71-21-11-300-007 Thrust Mount Brackets - Replace The Damaged Bush, Repair-007 (VRS1105)

Effectivity

FIG/ITEM

PART NO.

01-500

5A0390

Assembly A

01-500

5A1422

Assembly B

01-500

5A1431

Assembly B

01-700

5A0391

Assembly C

01-700

5A1423

Assembly D

01-700

5A1432

Assembly D

Material of component

PART IDENT

SYMBOL

MATERIAL

Thrust mount bracket

-

Titanium alloy

Bush

-

Corrosion resistance steel

General

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Horizontal Boring MillLOCALHorizontal Boring Mill
Boring HeadLOCALBoring Head
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent Penetrant Inspection Equipment
Inside MicrometerLOCALInside Micrometer
Bore GageLOCALBore Gage
Heat Protective GlovesLOCALProtective Gloves, Heat
Hand ToolsLOCALTools, Hand
Vibrating Marking PencilLOCALVibrating Marking Pencil
IAE 3J12837 Machining fixture0AM53IAE 3J128371
IAE 3J12859 Machining fixture0AM53IAE 3J128591
IAE 3J12832 Installation fixture0AM53IAE 3J128321

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 03-026 LIQUID NITROGENLOCALCoMat 03-026
CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)37676CoMat 06-018

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Bush, pin thrust5A0994AR
Bush, pin thrust5A0994AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 71-21-11-322-003-A00 Machine the Thrust Pin Bush of the Thrust Mount Bracket Assembly for removing Damaged Bush, Assembly B and Assembly D

    1. Refer to Figure and Figure.

      2. Set up and machine the damaged bush.

      1. Use Horizontal Boring Mill 1 off and Boring Head 1 off.

    2. SUBTASK 71-21-11-322-004-B00 Machine the Thrust Pin Bush of the Thrust Mount Bracket Assembly for removing Damaged Bush, Assembly A and Assembly C

    1. Refer to Figure and Figure.

      2. Set up and machine the damaged bush.

      1. Use Horizontal Boring Mill 1 off and Boring Head 1 off.

    3. SUBTASK 71-21-11-350-004 Remove the Bush from the Thrust Mount Bracket Assembly

      1. Remove the bush.

      1. Use a small hammer and punch.

      2. Take care that the thrust mount bracket does not become damaged.

      2. Clean the hole with a soft clean cloth and blast with air.

    4. SUBTASK 71-21-11-220-004 Examine the Bush Holes of the Thrust Mount Bracket Assembly

    1. Refer to Figure and Figure.

      2. Visually examine the bush holes.

      1. Nicks, dents, scratches, scores and galls are not permitted.

    3. Dimensionally examine the bush holes.

    5. SUBTASK 71-21-11-230-059 Examine the Bush Holes of the Thrust Mount Bracket Assembly for Cracks

      1. Fluorescent penetrant examine the bush holes.

      1. No crack permitted.

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

    6. SUBTASK 71-21-11-420-054 Install the Bush to the Thrust Mount Bracket Assembly

    1. Refer to Figure.

      2. WARNING

        DO NOT GET LIQUID NITROGEN ON YOUR SKIN OR IN YOUR EYES. PUT ON PROTECTIVE CLOTHING, GLOVES, GOGGLES AND A MASK. LIQUID NITROGEN IS AN ASPHYXIATOR. USE THE LIQUID IN A WELL VENTILATED AREA. IF YOU GET THE LIQUID ON YOUR SKIN OR IN YOUR EYES, FLUSH IT AWAY WITH WATER. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.

        Clean the bush and bush hole of the thrust mount bracket.

      1. Do the cleaning procedure in accordance with the SPM TASK 70-11-26-300-503.

      3. Freeze the bush.

      4. Install and press the bush into the bush hole of the thrust mount bracket.

    5. Hold the bush for 2 to 3 minutes with the fixture.

    7. SUBTASK 71-21-11-220-005 Examine the Bush of the Thrust Mount Bracket Assembly

    1. Refer to Figure.

      2. Visually examine the bush.

      1. Make sure the bush is installed correctly in the thrust mount bracket assembly.

      3. Dimensionally examine the bush.

      1. Measure clearance G at the 2 places.

      2. Use thickness gage.

    8. SUBTASK 71-21-11-322-005-A00 Machine the Bush of the Thrust Mount Bracket Assembly, Assembly B and Assembly D

    1. Refer to Figure and Figure.

      2. Set up and machine the bush.

      1. Use Horizontal Boring Mill 1 off and Boring Head 1 off.

    9. SUBTASK 71-21-11-322-006-B00 Machine the Bush of the Thrust Mount Bracket Assembly, Assembly A and Assembly C

    1. Refer to Figure and Figure.

      2. Set up and machine the bush.

      1. Use Horizontal Boring Mill 1 off and Boring Head 1 off.

    10. SUBTASK 71-21-11-230-060 Examine the Bush of the Thrust Mount Bracket Assembly for Cracks

      1. Fluorescent penetrant examine the machined surface of the bush.

      1. No crack permitted.

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

    11. SUBTASK 71-21-11-220-006 Examine the Bush of the Thrust Mount Bracket Assembly after Machining

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

      2. Dimensionally examine the machined bush.

      1. Use Bore Gage 1 off and Inside Micrometer 1 off.

    12. SUBTASK 71-21-11-380-003 Apply the Dry Film Lubricant to the Bush of the Thrust Mount Bracket Assembly

      1. Apply the dry film lubricant to the bush.

      1. Refer to VRS1104, EM TASK 71-21-11-300-001.

    13. SUBTASK 71-21-11-350-005 Mark Repair Number on the Thrust Mount Bracket

      1. Make a mark VRS1105 adjacent to the part number.

      2. Refer to SPM TASK 70-09-00-400-501.

    2. Use the vibration peening method.

    14. Figure: Machine the bore of the bush - Assembly A and Assembly B

    Machine the bore of the bush - Assembly A and Assembly B

    Figure: Machine the bore of the bush - Assembly C and Assembly D

    Machine the bore of the bush - Assembly C and Assembly D

    Figure: Dimension requirement without bush - Assembly A and Assembly B

    Dimension requirement without bush - Assembly A and Assembly B

    Figure: Dimension requirement without bush - Assembly C and Assembly D

    Dimension requirement without bush - Assembly C and Assembly D

    Figure: Position of setting up installation fixture and dimension of clearance between thrust mount bracket and bush

    Position of setting up installation fixture and dimension of clearance between thrust mount bracket and bush

    Figure: Details and dimensions for repair - Assembly A

    Details and dimensions for repair - Assembly A

    Figure: Details and dimensions for repair - Assembly B

    Details and dimensions for repair - Assembly B

    Figure: Details and dimensions for repair - Assembly C

    Details and dimensions for repair - Assembly C

    Figure: Details and dimensions for repair - Assembly D

    Details and dimensions for repair - Assembly D

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:37676
Enterprise Name:ITW MAGNAFLUX
BU Name:MAGNAFLUX CORPORATION
Street:155 HARLEM AVE
City:GLENVIEW
State:IL
Zip Code:60025
Country:USA
Phone Number:1-847-657-5300
Fax Number:1-847-867-5388
Internet:www.magnaflux.com
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
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 03-026
Type:sp01
Supply Short Name:CoMat 03-026 LIQUID NITROGEN
Supply Name:CoMat 03-026 LIQUID NITROGEN
Specification Groups:
Doc NumberType
OMAT:220BB-N-411 T2GBC1
JCR-135BB-N-411 T2GBC1
Suppliers:
ManufacturerRemarks
LOCAL
U2046
U2096
Manufacturer Code:X222X
Supply Number:CoMat 06-018
Type:sp01
Supply Short Name:CoMat 06-018FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Supply Name:CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐018 letter suffix material with other CoMat 06‐018 letter suffix materials. Where CoMat 06‐018 is specified with no suffix, use one of the CoMat 06‐018 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Bore Gage
Tool Name:Bore Gage
Manufacturer Code:LOCAL
Tool Number:Boring Head
Tool Name:Boring Head
Link not Found
Manufacturer Code:LOCAL
Tool Number:Horizontal Boring Mill
Tool Name:Horizontal Boring Mill
Manufacturer Code:0AM53
Tool Number:IAE 3J12832
Tool Name:IAE 3J12832 Installation fixture
Manufacturer Code:0AM53
Tool Number:IAE 3J12837
Tool Name:IAE 3J12837 Machining fixture
Manufacturer Code:0AM53
Tool Number:IAE 3J12859
Tool Name:IAE 3J12859 Machining fixture
Manufacturer Code:LOCAL
Tool Number:Inside Micrometer
Tool Name:Inside Micrometer
Manufacturer Code:LOCAL
Tool Number:Protective Gloves, Heat
Tool Name:Heat Protective Gloves
Manufacturer Code:LOCAL
Tool Number:Tools, Hand
Tool Name:Hand Tools
Manufacturer Code:LOCAL
Tool Number:Vibrating Marking Pencil
Tool Name:Vibrating Marking Pencil