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 72-45-21-300-013 Install the Helicoil Inserts in the TCA Bosses, Repair-013 (VRS1986)
Effectivity
FIG/ITEM PART NO. | |
|---|---|
01-010 | 2A0250 |
01-010 | 2A0250SL87VA156 |
01-010 | 2A1591 |
01-010 | 2A1591SL87VA156 |
01-010 | 2A1600 |
01-010 | 2A1600SL114902 |
General
Price and availability - None
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
For the method to clean the parts, refer to TASK 72-45-21-100-000.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| STl Tap | LOCAL | 5FPB | (Emhart Teknologies Products) | |
| Installation Tool | LOCAL | 7552-5 | (Emhart Teknologies Products) | |
| Tang removal tool | LOCAL | 3692-5 | (Emhart Teknologies Products) | |
| Thread plug gage | LOCAL | 3694-5 | (Emhart Teknologies Products) | |
| 10X magnifying glass | LOCAL | 10X magnifying glass |
Consumables, Materials and Expendables
NONESpares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Helicoil insert | LOCAL | 1191-5TN312 | AR | FIG/ITEM 01-095 |
Safety Requirements
NONEProcedure
Use Thread plug gage.
Examine the threads.
SUBTASK 72-45-21-220-085 Examine the Threads
Refer to Figure.
Use Installation Tool.
Put the 1191-5TN312 into the tip of the insertion tool.
Put the insert into the threaded hole.
Turn the handle clockwise so the top of the insert is three-quarters to one and a half pitch below the face of the boss.
Use Tang removal tool.
Break the tang of the insert at the notch.
SUBTASK 72-45-21-350-083 Install the New Helicoil Inserts
Refer to SPM TASK 70-35-08-300-501.
Torque the bolt to between 125 and 170 lbfin (14 and 19 Nm).
Torque check the installed helicoil insert.
The insert must not protrude out of insert hole.
The insert must not move.
Examine the helicoil insert position.
SUBTASK 72-45-21-220-086 Do A Torque Check
Refer to Figure.
Use a 10X magnifying glass.
No damage is permitted.
No cracks are permitted.
Visually examine the repaired area.
SUBTASK 72-45-21-220-087 Examine the Repaired Area
Use vibro engraving equipment.
Refer to SPM TASK 70-09-00-400-501 (SUBTASK 70-09-00-400-001).
Vibro engrave VRS1986 near to the part number.
SUBTASK 72-45-21-350-084 Vibro Engrave VRS1986
Figure: Repair Details and Dimensions
Repair Details and Dimensions
Repair Details and Dimensions
