TASK 72-60-21-300-004 Main Gearbox Casing - Replace The Damaged Studs, Repair-004 (VRS5255)

DMC:V2500-A0-72-60-2101-00A-920A-C|Issue No:003.00|Issue Date:2015-05-01

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 72-60-21-300-004 Main Gearbox Casing - Replace The Damaged Studs, Repair-004 (VRS5255)

Effectivity

FIG/ITEM

PART NO.

02-050

4B0053

02-050

4B0054

02-050

4B0055

02-050

4B0057

02-050

4B0400

02-050

4B0402

02-050

4B0423

Material of component

DESCRIPTION

RR

SYMBOL

MATERIAL

Accessory gearbox

casing

A357/T61 (AMS4219)

Aluminium alloy

General

This repair task is applicable to the Post-SBE 72-0492 gearbox casing studs in positions 02-070, 02-210, 02-280, 02-720, 02-870 and 02-950 only. Refer to applicable figures for positions with an asterisk.

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Tools for removal and installation may be purchased from ROSAN Inc., 2901 West Coast Highway, Newport Beach, California 92663.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
BT308 Removal toolLOCALBT308 Removal tool
BT1575 Removal toolLOCALBT1575 Removal tool
SM101-18 Removal toolLOCALSM101-18 Removal tool
SM111-20 Removal toolLOCALSM111-20 Removal tool
R1107XW WrenchLOCALR1107XW Wrench
R1105W WrenchLOCALR1105W Wrench
R1106W WrenchLOCALR1106W Wrench
SF5902-4D Drive toolLOCALSF5902-4D Drive tool
SF5902-5D Drive toolLOCALSF5902-5D Drive tool
S101D12 Drive toolLOCALS101D12 Drive tool
S111D12 Drive toolLOCALS111D12 Drive tool

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-048 LUBRICANT0AM53CoMat 10-048

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
StudMS51551C205-29A/R

PRE-SBE 72-0492

StudMS51551C206-13A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51992C644-17A/R

PRE-SBE 72-0492

StudMS51992C644-18A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-12A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-14A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-13A/R

PRE-SBE 72-0492

StudMS51551C205-11A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-12A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51992C645-28A/R

PRE-SBE 72-0492

StudMS51551C205-10A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-9A/R

PRE-SBE 72-0492

StudMS51551C205-13A/R

PRE-SBE 72-0492

Lock ringMS51990E106PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51997E104PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51997E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

Lock ringMS51990E105PA/R

PRE-SBE 72-0492

StudMS51551C205-29A/R

SBE 72-0492

StudMS51551C206-13A/R

SBE 72-0492

StudMS51992C644-18A/R

SBE 72-0492

StudMS51551C205-11A/R

SBE 72-0492

StudMS51992C645-28A/R

SBE 72-0492

StudMS51551C205-13A/R

SBE 72-0492

Lock ringMS51990E106PA/R

SBE 72-0492

Lock ringMS51997E104PA/R

SBE 72-0492

Lock ringMS51990E105PA/R

SBE 72-0492

Lock ringMS51990E105PA/R

SBE 72-0492

Lock ringMS51997E105PA/R

SBE 72-0492

Lock ringMS51990E105PA/R

SBE 72-0492

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-21-320-054 Mill the Lock Ring

    1. Refer to Figure.

      2. Install the removal tool in drill press chuck.

        1. Lower drill press above stud shank before starting motor.

          Use SM101-18 tool for lock ring 02-220, 02-290, 02-340, 02-380, 02-400, 02-420, 02-440, 02-460, 02-530, 02-580, 02-600, 02-620, 02-660, 02-690, 02-710, 02-730, 02-750, 02-770, 02-790, 02-810, 02-880, 02-900, 02-920, 02-940.

          Use SM111-20 tool for lock ring 02-200.

          Use BT308 tool for lock ring 02-860.

          Use BT1575 tool for lock ring 02-270.

        1. Cut off stud if too long for the removal tool.

        2. Keep sufficient shank length to give pilot for the removal tool.

      3. Mill through lock ring to remove serration interlock.

        1. Lift tool frequently to permit the cutting teeth to be clear from chips.

        1. It is not necessary to mill fully through the lock ring.

    2. SUBTASK 72-60-21-350-057 Remove the Stud

      1. Apply the removal torque to the stud.

        1. Continuous pressure of withdrawn stud should cause lock ring to be forced out from its location.

        1. Break with a punch and remove the remaining portion of lock ring if it has been milled fully through and it does not lift out with the stud.

    2. Complete the removal of the stud.

    3. SUBTASK 72-60-21-350-058 Install the New Stud

    1. Refer to Figure.

      2. Lubricate the coarse threaded stud end.

        1. Start stud into housing.

      3. Install the stud.

        1. The depth is given in Figure.

          Use R1107XW wrench for stud 02-870.

          Use R1105W wrench for stud 02-070, 02-230, 02-300, 02-350, 02-390, 02-410, 02-430, 02-450, 02-470, 02-540, 02-590, 02-610, 02-630, 02-670, 02-700, 02-720, 02-740, 02-760, 02-780, 02-800, 02-820, 02-890, 02-910, 02-930, 02-950.

          Use R1106W wrench for stud 02-210, 02-280.

        1. Stud must be perpendicular to flat surface of relevant flange within 0.014 in. (0.35 mm) each 4 in. (101.60 mm).

    4. SUBTASK 72-60-21-350-059 Install the Lock Ring

    1. Refer to Figure.

      2. Install the new lock ring.

      1. Align the external serrations of the new lock ring with those in parent material of the housing.

      3. Seat the new lock ring.

      1. Seat the new lock ring to depth given in Figure.

        Use SF5902-4D drive tool for lock ring 02-270.

        Use SF5902-5D drive tool for lock ring 02-860.

        Use S101D12 drive tool for lock ring 02-220, 02-290, 02-340, 02-380, 02-400, 02-420, 02-440, 02-460, 02-530, 02-580, 02-600, 02-620, 02-660, 02-690, 02-710, 02-730, 02-750, 02-770, 02-790, 02-810, 02-880, 02-900, 02-920, 02-940.

        Use S111D12 drive tool for lock ring 02-200.

    5. SUBTASK 72-60-21-330-055 Restore the Damaged Anodic Treatment

      1. Check the surface.

        1. Do the touch up process if the anodic treatment has been damaged by stud installation.

        1. Refer to the SPM TASK 70-38-02-300-503.

    6. SUBTASK 72-60-21-230-055 Crack Test the Repaired Area

      1. Do a crack test on the repaired area.

      1. Refer to the SPM TASK 70-23-01-230-501.

    7. Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

    Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

    Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

    Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

    Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

    Figure: Replace damaged studs and lock rings

    Replace damaged studs and lock rings

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised format. (editorial change)

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
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Manufacturer Code:0AM53
Supply Number:CoMat 10-048
Type:sp01
Supply Short Name:CoMat 10-048 LUBRICANT
Supply Name:CoMat 10-048 LUBRICANT
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53
Manufacturer Code:LOCAL
Tool Number:BT1575 Removal tool
Tool Name:BT1575 Removal tool
Manufacturer Code:LOCAL
Tool Number:BT308 Removal tool
Tool Name:BT308 Removal tool
Manufacturer Code:LOCAL
Tool Number:R1105W Wrench
Tool Name:R1105W Wrench
Manufacturer Code:LOCAL
Tool Number:R1106W Wrench
Tool Name:R1106W Wrench
Manufacturer Code:LOCAL
Tool Number:R1107XW Wrench
Tool Name:R1107XW Wrench
Manufacturer Code:LOCAL
Tool Number:S101D12 Drive tool
Tool Name:S101D12 Drive tool
Manufacturer Code:LOCAL
Tool Number:S111D12 Drive tool
Tool Name:S111D12 Drive tool
Manufacturer Code:LOCAL
Tool Number:SF5902-4D Drive tool
Tool Name:SF5902-4D Drive tool
Manufacturer Code:LOCAL
Tool Number:SF5902-5D Drive tool
Tool Name:SF5902-5D Drive tool
Manufacturer Code:LOCAL
Tool Number:SM101-18 Removal tool
Tool Name:SM101-18 Removal tool
Manufacturer Code:LOCAL
Tool Number:SM111-20 Removal tool
Tool Name:SM111-20 Removal tool