TASK 72-40-00-300-012Active Clearance Control (ACC) Valve Bracket - Replace The Slotted Entry Bearing, Repair-012 (VRS6666)

DMC:V2500-A0-72-40-0032-02A-920A-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 72-40-00-300-012Active Clearance Control (ACC) Valve Bracket - Replace The Slotted Entry Bearing, Repair-012 (VRS6666)

Effectivity

FIG/ITEM

PART NO

ASSEMBLY

05-500

6A6487

A

05-500

6A6591

A

05-570

6A6489

B

05-570

6A6593

B

Material of component

DESCRIPTION

RR SYMBOL

MATERIAL

HP Compressor Case Assembly

TEG

Titanium Aluminium Vanadium Alloy

General

This repair must only be done when the instruction to do so is given in 72-40-00, Inspection/Check.

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

DESCRIPTION

RR SYMBOL

MATERIAL

HP Compressor Case Assembly

TEG

Titanium Aluminium Vanadium Alloy

Price and availability - refer to IAE

Related repairs - none.

Note

NOTE

More equipment and materials necessary to do this repair are in the SPM TASKs given below:
TASK 70-11-26-300-503
TASK 70-23-05-230-501
TASK 70-35-03-300-501
TASK 70-42-06-400-501
TASK 70-09-00-400-501

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
Chemical cleaning equipmentLOCALChemical Cleaning Equipment
Penetrant Crack Test EquipmentLOCAL
PressLOCAL
Standard workshop equipmentLOCAL
Vibro-engraving equipmentLOCAL
Vertical Milling MachineLOCAL
Workshop inspection equipmentLOCALWorkshop inspection 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 AssemblyVTB12350E1
Bearing AssemblyVTB12350E1
Bearing AssemblyP250001
Bearing AssemblyP250001
Bearing, Spherical0AM53VTB123511
Bearing, Spherical0AM53VTB123511
Bearing, Spherical0AM53P250011
Bearing, Spherical0AM53P250011

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-40-00-110-075 Chemically Clean the Bracket Assemblies

      1. Clean the assembly.

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

      2. Use chemical cleaning equipment.

    2. SUBTASK 72-40-00-230-068 Do a Crack Test

      1. Do a local penetrant crack test of the bearing.

      2. Any Cracks - Reject.

    3. SUBTASK 72-40-00-350-074-001 Remove the Bearing - Method 1 - Assemblies A or Assemblies B

      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.

      1. Install the bracket assemblies on to the vertical milling machine.

      1. Use a vertical milling machine and standard workshop equipment.

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

      1. If necessary use IAE 3R19072 Trepanning cutter, trepanning cutter, 1 off or suitable equivalent, with a vertical milling machine.

      3. Remove the bearing.

      1. Use a press with standard workshop equipment, use a pressure of 15 psi (1 bar), (100 kpa).

    4. SUBTASK 72-40-00-350-074-002 Remove the Bearing - Method 1 - Assemblies A or Assemblies B

      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.

      NOTE

      This is an alternative to Step.

      Refer to Figure and Figure.

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

      1. Use a press with standard workshop equipment, use a pressure of 15 psi (1 bar), (100 kpa).

    5. SUBTASK 72-40-00-350-075 Polish the Bearing

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

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

        Use standard workshop equipment.

    6. SUBTASK 72-40-00-110-076 Chemically Clean

      1. Chemically clean the area bracket assembly.

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

      2. Use chemical cleaning equipment.

    7. SUBTASK 72-40-00-230-069 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.

    8. SUBTASK 72-40-00-220-169 Do a Visual and Dimensional Inspection - Assemblies A or Assemblies B

      Refer to Figure and Figure.

      1. Visually examine and measure the dimensions of the bearing location hole.

      1. Use workshop inspection equipment. Reject the bearing location is too large.

    9. SUBTASK 72-40-00-350-076 Install a New Bearing - Assemblies A or Assemblies B

      NOTE

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

      Refer to Figure and Figure.

      1. Install a new bearing in to the bracket assemblies.

      1. For part numbers 6A6487, 6A6591 use VTB12350E, bearing assy, 05-505, 1 off. Alternatively use P25000 bearing assy, 05-505 1 off or use VTB12351, Spherical bearing, 05-507, 1 off. Alternatively use P25001 spherical bearing, 05-507, 1 off.

      2. For part number 6A6489, 6A6593 use VTB12350E, bearing assy, 05-582, 1 off. Alternatively use P25000 bearing assy, 05-582, 1 off or use VTB12351, Spherical bearing, 05-584, 1 off.

    10. SUBTASK 72-40-00-350-077 Ring Stake the New Bearing - Assemblies A or Assemblies B

      Refer to Figure and Figure.

      1. 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. Use a staking tool, 1 off, available from the bearing vendor.

    11. SUBTASK 72-40-00-110-077 Chemically Clean the Bracket Assemblies

      1. Chemically clean.

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

        Use chemical cleaning equipment.

    12. SUBTASK 72-40-00-230-070 Do a Crack Test

      1. Do a local penetrant crack test of the bearing.

      2. Any Cracks - Reject.

    13. SUBTASK 72-40-00-220-170 Do a Visual and Dimensional Inspection - Assemblies A or Assemblies B

      Refer to Figure and Figure.

      1. 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 located correctly.

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

      1. Use a 0.127 mm. (0.005 in.) feeler gauge. A properly swaged bearing in an optimally prepared housing will not accept the feeler gauge, no more than 40 per cent of the circumference may accept the feeler gauge.

      2. The bearing race face is to be flush with the housing to within 0.254 mm (0.010 in.).

    14. SUBTASK 72-40-00-350-078 Do a Bearing Pull Out Check

      1. NOTE

        No load must be passed onto the ball bearing.
        The bearing should not move during the test.

        A one off sample bearing pull out check must be done.

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

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

    15. SUBTASK 72-40-00-350-079 Install the Ball Bearing Assembly- Assemblies A or Assemblies B

      CAUTION

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

      Refer to Figure and Figure.

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

      1. Make sure you get a smooth movement.

    16. SUBTASK 72-40-00-350-080 Safety the Ball

      CAUTION

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

      1. Safety the ball in the bearing.

      1. Use String or suitable equipment.

    17. SUBTASK 72-40-00-350-081 Identify the Repair

      1. Make a mark VRS6666 adjacent to the part number.

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

      2. Use vibro-engraving equipment.

    18. Figure: Install the Spherical Bearing - Assemblies A

    Install the Spherical Bearing - Assemblies A

    Figure: Install the Spherical Bearing - Assemblies B

    Install the Spherical Bearing - Assemblies B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

17VC380

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
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
Link not Found
Manufacturer Code:0AM53
Tool Number:IAE 3R19072
Tool Name:IAE 3R19072 Trepanning cutter
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment
Link not Found