TASK 72-60-32-300-003 Angle Gearbox Support - Replace The Damaged Studs, Repair-003 (VRS5112)

DMC:V2500-A0-72-60-3201-00A-920A-C|Issue No:002.00|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 72-60-32-300-003 Angle Gearbox Support - Replace The Damaged Studs, Repair-003 (VRS5112)

Effectivity

FIG/ITEM

PART NO.

01-300

4B0062

01-300

4B0353

01-300

4B0374

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Support

-

A357-T61 (AMS4219)

General

Price and availability - none

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

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, USA.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
SM101-18 Removal toolLOCAL
SM111-20 Removal toolLOCAL
R1105W WrenchLOCAL
R1106W WrenchLOCAL
S101D12 Drive toolLOCAL
S111D12 Drive toolLOCAL

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
RING - LOCKING96906MS51990E105PA/R
STUD96906MS51551C205-9A/R
STUD96906MS51551C205-9A/R
RING - LOCKING96906MS51990E106PA/R
STUD96906MS51551C206-15A/R
RING - LOCKING96906MS51990E105PA/R
STUD96906MS51551C205-9A/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-32-320-051 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 Removal tool 1 off for lock ring 01-340, 01-600.

        Use SM111-20 Removal tool 1 off for lock ring 01-420.

        Cut off stud if too long for the removal tool.

        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.

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

    2. SUBTASK 72-60-32-350-053 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.

        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 72-60-32-350-054 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.

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

        Use R1105W Wrench 1 off for stud 01-360, 01-400, 01-620.

        Use R1106W Wrench 1 off for stud 01-440.

    4. SUBTASK 72-60-32-350-055 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 S101D12 Drive tool 1 off for lock ring 01-340, 01-600.

        Use S111D12 Drive tool 1 off for lock ring 01-420.

    5. SUBTASK 72-60-32-330-053 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.

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

    6. SUBTASK 72-60-32-230-052 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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Add Post SB 72-0492 and 70-0950 part numbers to task (11VF851A)

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:96906
Enterprise Name:MILITARY STANDARDS MANUAL 4120 3-M
BU Name:MILITARY STANDARDS MANUAL 4120 3-M
Street:NONE
City:NONE
Country:USA
Phone Number:NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Part Number:MS51551C205-9
Part Name:STUD
Manufacturer Code:96906
Part Number:MS51551C206-15
Part Name:STUD
Manufacturer Code:96906
Part Number:MS51990E105P
Part Name:RING - LOCKING
Manufacturer Code:96906
Part Number:MS51990E106P
Part Name:RING - LOCKING
Manufacturer Code:96906
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
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