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 79-22-43-300-009 Scavenge Oil Filter Housing - Related Parts - Replace The Damaged or Loose Helicoil Inserts In The Oil Filter Housing Assembly, Repair-009 (VRS5243)
General
NOTE
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.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Extracting tool 1227-6 | LOCAL | Extracting tool 1227-6 | ||
| Inserting tool 7552-4 | LOCAL | Inserting tool 7552-4 | ||
| Break-off tool - 3695-4 | LOCAL | Break-off tool - 3695-4 |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Drive the Extracting tool 1227-6 into the insert at approximately a quarter of a coil from the end of the insert
Apply the Extracting tool 1227-6 into the insert.
Hit the head of the tool lightly to dig the blade into the top of the coil of the insert.
Use a hammer.
Arrange the Extracting tool 1227-6 into the insert.
Bearing down hard on the handle of the tool.
Turn the tool slowly counterclockwise.
Maintain a hard pressure on the handle when the insert backs out.
Complete the removal of the insert.
SUBTASK 79-22-43-350-057 Remove the Damaged Helicoil Insert
Do the touch up process if the anodic treatment has been damaged by helicoil insert removal.
Refer to SPM TASK 70-38-02-300-503.
Check the surface.
SUBTASK 79-22-43-330-057 Repair the Damaged Anodic Treatment
Put the new helicoil insert on the tip of the Inserting tool 7552-4.
Put the insert on the tool.
Put the tool with the new helicoil insert into the threaded hole.
Put the tool with the insert.
Install the new helicoil insert into the hole.
Turn the handle clockwise.
Install the helicoil insert 1 to 1.5 pitch below the surface.
Install the insert into the hole.
Break the insert tang off a notch.
Use a tang Break-off tool - 3695-4.
Remove broken tangs from blind holes with a magnetized rod.
Break the tangs.
SUBTASK 79-22-43-990-058 Install the Helicoil Insert
Do the touch up process if the anodic treatment has been damaged by helicoil insert installation.
Refer to SPM TASK 70-38-02-300-503.
Check the surface.
SUBTASK 79-22-43-330-058 Restore the Damaged Anodic Treatment
Refer to SPM TASK 70-23-01-230-501.
Do a crack test on the repaired area.
SUBTASK 79-22-43-230-055 Do a Crack Test on the Repaired Area
Refer to SPM TASK 70-35-08-300-501, .SUBTASK 70-35-08-220-001.
Do an inspection of the new helicoil inserts.
SUBTASK 79-22-43-220-073 Do an Inspection of the Helicoil Inserts
Figure: Replace the damaged or loose helicoil inserts (pre SBE 79-0101)
Replace the damaged or loose helicoil inserts (pre SBE 79-0101)
Figure: Replace the damaged or loose helicoil inserts (post SBE 79-0101)
Replace the damaged or loose helicoil inserts (post SBE 79-0101)
