TASK 72-60-28-300-028 Generator Drive Gear Housing - Replace The Damaged Or Loose Screw Thread Inserts, Repair-028 (VRS5673)

DMC:V2500-A0-72-60-2804-05A-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 72-60-28-300-028 Generator Drive Gear Housing - Replace The Damaged Or Loose Screw Thread Inserts, Repair-028 (VRS5673)

Effectivity

FIG/ITEM PART NO.

01-450

4B0348

01-450

4B0370

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

Adapter

-

Aluminum alloy

General

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
Standard workshop equipmentLOCALStandard workshop equipment
Drilling machineLOCALDrilling machine
DrillLOCALDrill

0.354 in. (9.0 mm) diameter

Drill pullerLOCALDrill puller
Vibration peen equipmentLOCALVibration peen equipment

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Insert, screw thread4T0318A/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-28-350-116 Remove the Insert

    1. Refer to Figure.

      2. Remove the damaged insert(s).

      1. Drill the inner diameter of the insert between the keys and the internal thread for not more than 0.102 in. (2.6 mm) depth. Use a 0.354 in. (9.0 mm) drill. Bend with a punch and remove the keys. Use a drill puller to remove the insert.

    2. SUBTASK 72-60-28-100-002 Clean the Part

      1. Clean the thread.

      1. Use a clean dry air blast to remove all swarf.

    3. SUBTASK 72-60-28-220-179 Examine the Part After the Insert Removal

      1. Visually examine the part.

      1. Make sure that the threads are clean and free from damage and swarf. Reject if damage is found.

    4. SUBTASK 72-60-28-330-091 Restore the Damaged Anodic Treatment

      1. Check the surface.

      1. Do the touch-up process. Refer to the SPM TASK 70-38-02-300-503.

    5. SUBTASK 72-60-28-350-117 Install the New Insert

    1. Refer to Figure.

      2. Install the insert.

      1. Screw in by hand the new insert in the adapter threaded hole. Align the keys with the broach seats on the adapter. Make sure that the insert is flush both sides of the flange. Push the keys into the broached seats.

    6. SUBTASK 72-60-28-330-092 Restore the Damaged Anodic Treatment

      1. Check the surface.

      1. Do the touch-up process if the anodic treatment was damaged by insert installation, at the surface. Refer to the SPM TASK 70-38-02-300-503.

    7. SUBTASK 72-60-28-220-180 Inspect the Insert

      1. Do an inspection of the new insert.

    8. SUBTASK 72-60-28-350-118 Identify the Repair

      1. Vibration peen VRS5678 adjacent to the part number.

      1. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001. Use vibro-engraving equipment.

    9. SUBTASK 72-60-28-330-093 Restore the Damaged Anodic Treatment

      1. Check the surface.

      1. Do the touch-up process on the marking area, if necessary. Refer to the SPM TASK 70-38-02-300-503.

    10. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised format. (editorial change)

Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Tool Number:Drill
Tool Name:Drill
Manufacturer Code:LOCAL
Tool Number:Drill puller
Tool Name:Drill puller
Manufacturer Code:LOCAL
Tool Number:Drilling machine
Tool Name:Drilling machine
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibration peen equipment
Tool Name:Vibration peen equipment