TASK 72-60-32-300-004 Angle Gearbox Support - Replace The Damaged Screw Thread Inserts, Repair-004 (VRS5113)

DMC:V2500-A0-72-60-3201-01A-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 72-60-32-300-004 Angle Gearbox Support - Replace The Damaged Screw Thread Inserts, Repair-004 (VRS5113)

Effectivity

FIG/ITEM

PART NO.

01-300

4B0062

01-300

4B0353

01-300

4B0374

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Support

-

A357-T61

(AMS 4219)

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
5/16in. (7,937 mm) Drill, removalLOCAL
Square screw extractor, removalLOCAL
R1106W Wrench, installationLOCAL
R206D Drive tool, installationLOCAL

Consumables, Materials and Expendables

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

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
RING - LOCKING96906MS51990E106PA/R
INSERT - SCREW96906MS51991E206LA/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-32-320-052 Mill the Lock Ring

    1. Refer to Figure.

      2. Install the removal tool in drill press chuck.

      3. Mill through lock ring to remove serration interlock.

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

    2. SUBTASK 72-60-32-350-056 Remove the Insert

      1. Apply the removal torque to the insert.

      1. Drive the Square screw extractor, removal into the insert.

        Continuous pressure of withdrawn insert could 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 insert.

    2. Complete the removal of the insert.

    3. SUBTASK 72-60-32-350-057 Install the New Insert

    1. Refer to Figure.

      2. Lubricate the coarse threaded insert end.

      1. Start insert into housing.

      3. Install the insert.

      1. The depth is given in Figure.

    4. SUBTASK 72-60-32-350-058 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.

    5. SUBTASK 72-60-32-330-054 Restore the Damaged Anodic Treatment

      1. Check the surface.

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

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

    6. SUBTASK 72-60-32-230-053 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 inserts and lock rings

    Replace damaged inserts 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:MS51990E106P
Part Name:RING - LOCKING
Manufacturer Code:96906
Part Number:MS51991E206L
Part Name:INSERT - SCREW
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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