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 79-11-41-300-021 Oil Tank - Related Parts - Replace The Damaged or Loose Wire Thread Inserts In The Oil Tank Assembly, Repair-021 (VRS5226)
General
Price and availability - none.
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
Tools for removal and installation may be purchased from Heli-Coil Product Division/Mite Corporation, Danbury, Connecticut 06108.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Removal tool | LOCAL | 1227-6 | ||
| Tang removal tool | LOCAL | 3695-4 | ||
| Installation tool | LOCAL | 7552-4 |
Consumables, Materials and Expendables
NONESpares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| INSERT | 96906 | MS21209F1-20L | A/R | |
| INSERT - WIRE, THREAD, 0.250 DIA | 96906 | MS21209F4-15L | A/R |
Safety Requirements
NONEProcedure
Refer to SPM TASK 70-35-08-300-501.
Remove the damaged wire thread inserts.
SUBTASK 79-11-41-350-061 Remove the Damaged Wire Thread Inserts
Refer to SPM TASK 70-35-08-300-501.
Examine the threads.
SUBTASK 79-11-41-220-113 Examine the Threads
Refer to Repair parts.
Refer to SPM TASK 70-35-08-300-501.
Install the new wire thread inserts.
NOTE
All free tangs shall be removed from the fan frame immediately after breaking off.Refer to SPM TASK 70-35-08-300-501.
Remove the tangs.
SUBTASK 79-11-41-350-062 Install the New Wire Thread Inserts
Do the touch-up process if the anodic treatment has been damaged by the wire thread insert installation.
Refer to SPM TASK 70-38-02-300-503.
Check the surface.
SUBTASK 79-11-41-330-059 Repair the Damaged Anodic Treatment
Refer to SPM TASK 70-35-08-300-501.
Do a crack test on the repaired area.
SUBTASK 79-11-41-230-063 Do a Crack Test on the Repaired Area
Refer to SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-220-001.
Examine the new wire thread inserts for correct installation.
SUBTASK 79-11-41-220-096 Examine the Wire Thread Inserts
Figure: Oil Tank Assembly (P/N 4B7030), Replace The Damaged or Loose wire Thread Inserts
Oil Tank Assembly (P/N 4B7030), Replace The Damaged or Loose wire Thread Inserts

Figure: Oil tank Assembly (P/N 4B7195 and 4B7244), Replace the Damaged or loose wire Thread Inserts
Oil tank Assembly (P/N 4B7195 and 4B7244), Replace the Damaged or loose wire Thread Inserts

