TASK 75-24-51-300-007 Active Clearance Control (ACC) Valve - Related Parts - Replace The Slotted Entry Bearing on The ACC Link Assemblies And The Rod, Stator Assemblies, Repair-007 (VRS6673)

DMC:V2500-A0-75-24-5100-02A-920A-C|Issue No:002.00|Issue Date:2018-08-01

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

All

Common Information

TASK 75-24-51-300-007 Active Clearance Control (ACC) Valve - Related Parts - Replace The Slotted Entry Bearing on The ACC Link Assemblies And The Rod, Stator Assemblies, Repair-007 (VRS6673)

Effectivity

FIG/ITEM

PART NO.

DESCRIPTION

02-100

6A6490

Assembly A

01-485

6A6491

Assembly A

02-100

6A6585

Assembly A

02-250

6A6488

Assembly B

02-250

6A6586

Assembly B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor

TEG

Titanium Aluminium Vanadium Alloy

General

This Repair must only be done when the instruction to do so is given in 75-24-51 Inspection/Check.

This Repair gives the instruction to replace the slotted entry bearings on the ACC mounting brackets.

Price and availability - Refer to International Aero Engines (IAE).

NOTE

More equipment and materials necessary to do this Repair are in the SPM TASKS given below:

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

The tools specified are the minimum standard for this TASK. For subsequent standards of tools refer to the Illustrated Tools and Equipment Manual (ITEM).

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard Workshop EquipmentLOCALStandard Workshop Equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Vertical Milling MachineLOCALVertical Milling Machine
PressLOCALPress
Workshop Inspection EquipmentLOCALWorkshop Inspection Equipment
Vibro-engraving equipmentLOCALVibro-engraving equipment
IAE 3R19072 Trepanning cutter0AM53IAE 3R190721

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Bearing Assy57606VTB12350E1

FIG/ITEM 01-820

Bearing Assy57606VTB12350E1

FIG/ITEM 01-180

Bearing Assy57606VTB12350E1

FIG/ITEM 02-330

BEARING - ASSEMBLY OF57606P250001

FIG/ITEM 01-820

BEARING - ASSEMBLY OF57606P250001

FIG/ITEM 02-180

BEARING - ASSEMBLY OF57606P250001

FIG/ITEM 02-330

Bearing, Spherical0AM53VTB123511

FIG/ITEM 01-822

Bearing, Spherical0AM53VTB123511

FIG/ITEM 02-182

Bearing, Spherical0AM53VTB123511

FIG/ITEM 02-332

Bearing, Spherical0AM53P250011

FIG/ITEM 01-822

Bearing, Spherical0AM53P250011

FIG/ITEM 02-182

Bearing, Spherical0AM53P250011

FIG/ITEM 02-332

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-24-51-110-072 Chemically Clean the Bracket Assemblies

      1. Chemically clean the bracket assembly.

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

    2. SUBTASK 75-24-51-230-063 Crack Test

      1. Do a local penetrant crack test of the bearing adjacent area(s).

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

      3. Any Cracks - Reject.

    3. SUBTASK 75-24-51-350-004-001 Remove the Bearing - Method 1

    1. CAUTION

      MAKE SURE THE BRACKET ASSEMBLY IS HELD CORRECTLY AND TAKE CARE WHEN YOU PRESS OUT THE BEARING NOT TO DAMAGE THE BEARING LOCATION HOLE.

      Refer to Figure or Figure.

      2. Install the bracket assemblies on the vertical milling machine.

      3. Machine the lip of the bearing that is to be replaced.

      1. Use IAE 3R19072 Trepanning cutter 1 off or suitable equivalent and Chemical cleaning equipment.

      4. Remove the bearing.

      2. Use a pressure of 15 psi (1 bar) (100 KPa).

    4. SUBTASK 75-24-51-350-004-002 Remove the Bearing - Method 2

    1. CAUTION

      MAKE SURE THE BRACKET ASSEMBLY IS HELD CORRECTLY AND TAKE CARE WHEN YOU PRESS OUT THE BEARING NOT TO DAMAGE THE BEARING LOCATION HOLE.

      Refer to Figure and Figure.

      2. NOTE

        This is an alternative to Step.

        Carefully press out the bearing in the bracket assemblies that is to be replaced.

      2. Use a pressure of 15 psi (1 bar) (100 KPa).

    5. SUBTASK 75-24-51-350-005 Polish the Bearing Location Hole

      1. Polish any scratches from the bearing location hole, as necessary.

      1. Refer to SPM TASK 70-35-03-300-501.

      2. Use Press.

    6. SUBTASK 75-24-51-110-073 Chemically Clean

      1. Chemically clean the area bracket assembly.

      1. Refer to SPM TASK 70-11-03-300-503.

    7. SUBTASK 75-24-51-230-064 Do a Crack Test

      1. Do a local penetrant crack test of the bearing adjacent area(s).

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

      3. Cracked - Reject.

    8. SUBTASK 75-24-51-350-006 Install the New Bearing

    1. Refer to Figure or Figure and Figure.

      2. NOTE

        Before you install the new bearing assembly, you must remove the ball bearing and keep it safe.

        Install the new bearing in to the bracket assemblies.

      1. For part number 6A6488 and 6A6586 use VTB12350E, bearing assembly, 02-330, 1 off. Alternatively use P25000, bearing assembly, 02-332, 1 off. Or use VTB12351, spherical bearing, 02-332, 1 off. Alternatively use P25001 assembly, 02-332, 1 off.

      3. Install the new bearing in to the bracket assemblies.

      1. For part number 6A6490 and 6A6585 use VTB12350E, bearing assembly, 02-180, 1 off. Alternatively use P25000, bearing assembly, 02-180, 1 off. Or use VTB12351, spherical bearing, 02-182, 1 off. Alternatively use P25001 assembly, 02-182, 1 off.

      4. Install the new bearing in to the bracket assemblies.

      1. For part number 6A6491 use VTB12350E, bearing assembly, 01- 820, 1 off. Alternatively P25000 bearing assembly, 01-820, 1 off. Or use VTB12351, spherical bearing, 01-822, 1 off. Alternatively use P25001 bearing assembly, 01-882, 1 off.

    9. SUBTASK 75-24-51-350-007 Ring Stake the New Bearing

    1. Refer to Figure (or) Figure and Figure.

      2. Stake the new bearing in to the bracket assemblies.

      1. Refer to SPM TASK 70-42-06-400-501, SUBTASK 70-42-06-400-004.

      2. Use a staking tool, 1 off, available from Bearing vendor.

    10. SUBTASK 75-24-51-110-074 Chemically Clean

      1. Chemically clean the bracket assemblies.

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

    11. SUBTASK 75-24-51-230-065 Do a Crack Test

      1. Do a local penetrant crack test of the bearing adjacent area(s).

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

      3. Cracked - Reject.

    12. SUBTASK 75-24-51-220-099 Do a Visual And Dimensional Inspection

    1. Refer to Figure (or) Figure and Figure.

      2. Visually examine the bracket assemblies.

      1. Refer to SPM TASK 70-42-06-400-501, SUBTASK 70-42-06-400-004.

      2. Make sure the new bearing is correctly located.

      3. Inspect circumference of the gap in the swaged lip to housing chamfer.

      1. Use a 0.127 mm (0.005 in.) feeler gauge.

      2. A properly swaged bearing in an optimally prepared housing will not accept the feeler gauge.

      3. No more than 40 percent of the circumference may accept the feeler gauge.

      4. The bearing race face is to be within 0.254 mm. (0.010 in.)

    13. SUBTASK 75-24-51-350-008 Do a Bearing Pull Out Check

    1. Select one bearing to be checked.

      2. Apply a load of 600 lbf to each side of the staked bearing.

      1. The load is to be applied to the bearing housing and is to be applied along the axis of the sperical bearing through the hole.

        NOTE

        No load to be passed on to the ball of the bearing.

      2. The bearing must not move during the test.

    14. SUBTASK 75-24-51-350-009 Install the Ball Bearing

    1. CAUTION

      CAUTION: DO NOT USE METALLIC TIES. THESE CAN DAMAGE THE BEARING COMPONENTS.

      Refer to Figure (or) Figure and Figure.

      2. Install the ball bearing(s) and examine the movement of the ball in the bearing.

      1. Make sure there is a smooth movement.

    15. SUBTASK 75-24-51-350-010 Safety the ball in the Bearing

      1. CAUTION

        CAUTION: DO NOT USE METALLIC TIES. THESE CAN DAMAGE THE BEARING COMPONENTS.

        Safety the ball in the bearing.

      1. Use string or a suitable equivalent.

    16. SUBTASK 75-24-51-350-011 Identify the Part

      1. Make a mark VRS6673 adjacent to the part number.

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

    17. Figure: Typical View of the Rod Link Assembly Bearing Orientation - Assembly A

    Typical View of the Rod Link Assembly Bearing Orientation - Assembly A

    Figure: Typical View of the Rod Link Assembly Bearing Orientation - Assembly B

    Typical View of the Rod Link Assembly Bearing Orientation - Assembly B

    Figure: Installation Of Spherical Bearing In Assembly - Assembly A and B

    Installation Of Spherical Bearing In Assembly - Assembly A and B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the alternative bearing part number. (17VC012)

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:57606
Enterprise Name:PSI BEARINGS
BU Name:PSI BEARINGS
Street:2175 UNION PLACE
P.O. Box:1080
City:SIMI VALLEY
State:CA
Zip Code:93065
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Part Number:P25000
Part Name:BEARING - ASSEMBLY OF
Manufacturer Code:57606
Link not Found
Link not Found
Link not Found
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:0AM53
Tool Number:IAE 3R19072
Tool Name:IAE 3R19072 Trepanning cutter
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Press
Tool Name:Press
Manufacturer Code:LOCAL
Tool Number:Standard Workshop Equipment
Tool Name:Standard Workshop Equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment
Link not Found