TASK 72-60-22-300-024 Starter Drive Gear Housing - Replace The Damaged Or Loose Helicoil lnserts In The Main Gearbox Casing, Repair-024 (VRS5695)

DMC:V2500-A0-72-60-2204-03A-920A-C|Issue No:001.00|Issue Date:2014-08-01

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 72-60-22-300-024 Starter Drive Gear Housing - Replace The Damaged Or Loose Helicoil lnserts In The Main Gearbox Casing, Repair-024 (VRS5695)

Effectivity

FIG/ITEM

PART NO.

01-300

4B0349

01-300

4B0371

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Housing

-

Aluminum alloy

General

Standard equipment - refer to support equipment section

NOTE

Tools for removal and installation may be purchased from HeliCoil. Product Division/Mite Corporation, Danbury, Connecticut 06108, USA.

Price and availability - none

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Extracting tool 1227-6LOCALExtracting tool 1227-6
Breakoff tool 3695-4LOCALBreakoff tool 3695-4
Inserting tool 7552-4LOCALInserting tool 7552-4

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Helicoil Insert0AM53MS21209F4-20LA/R

FIG/ITEM 01-400

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-22-350-001 Remove the Insert

    1. Refer to Figure.

      2. Apply the Extracting tool 1227-6 into the insert.

      1. Drive the Extracting tool 1227-6 into the insert at approximately a quarter of a coil from the end of the insert.

      3. Arrange the Extracting tool 1227-6 into the insert.

      1. Hit the head of the tool lightly to dig the blade into the top of the coil of the insert.

      2. Use a hammer.

      4. Complete the removal of the insert.

      1. Bearing down hard on the handle of the tool.

      2. Turn the tool slowly counterclockwise.

      3. Maintain a hard pressure on the handle when the insert backs out.

    2. SUBTASK 72-60-22-330-001 Restore the Damaged Anodic Treatment

      1. Check the surface.

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

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

    3. SUBTASK 72-60-22-350-002 Install the New Insert

    1. Refer to Figure.

      2. Put the insert on the tool.

      1. Put the new MS21209F4-20L on the tip of the Inserting tool 7552-4.

      3. Put the tool with the insert.

      1. Put the tool with the new MS21209F4-20L into the threaded hole.

      4. Install the insert into the hole.

      1. Install the new MS21209F4-20L into the hole.

      2. Turn the handle clockwise.

      3. Install the helicoil 1 to 1.5 pitch below surface.

      5. Break the tangs.

      1. Break the insert tang off at notch.

      3. Remove broken tangs from blind holes with a magnetized rod.

    4. SUBTASK 72-60-22-330-002 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.

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

    5. SUBTASK 72-60-22-230-001 Crack Test the Repaired Area

      1. Do a crack test on the repaired area.

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

    6. SUBTASK 72-60-22-220-001 Inspect the Insert

      1. Do an inspection of the new MS21209F4-20L .

      1. Refer to SPM TASK 70-35-08-300-501.

    7. Figure: Replace Damaged or Loose Helicoil Inserts

    Replace Damaged or Loose Helicoil Inserts

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added VRS5695 Repair-024. (EA11VF844B)

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
Manufacturer Code:LOCAL
Tool Number:Breakoff tool 3695-4
Tool Name:Breakoff tool 3695-4
Manufacturer Code:LOCAL
Tool Number:Extracting tool 1227-6
Tool Name:Extracting tool 1227-6
Manufacturer Code:LOCAL
Tool Number:Inserting tool 7552-4
Tool Name:Inserting tool 7552-4