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 72-42-33-300-006 No. 4 Bearing Front Seal Support - Replace The Clinch Nuts, Repair-006 (VRS3085)
General
None
Preliminary Requirements
Pre-Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Make sure that all the cleaning and inspection procedures are done before this repair. |
Support Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 3P16434 Flaring tool | 0AM53 | IAE 3P16434 | 1 |
Consumables, Materials and Expendables
NONESafety Requirements
NONEProcedure
Refer to Figure.
CAUTION
DO NOT OVERSIZE OR DAMAGE THE HOLE(S). DAMAGE TO THE PART CAN OCCUR.Use the correct size drift made from aluminum, or brass, or composite to remove the clinch nut(s) from the hole(s). Use minimum force to remove the clinch nut(s).
Use a drift to punch out the damaged or loose clinch nut(s). Drilling is not permitted.
SUBTASK 72-42-33-350-063 Remove the Damaged Clinch Nut(s)
Clean the hole(s). Refer to SPM TASK 70-11-26-300-503.
SUBTASK 72-42-33-110-093 Clean the Clinch Nut Hole(s)
Refer to Figure.
Do a visual inspection of the hole(s). No damage or sharp edges are permitted.
SUBTASK 72-42-33-220-114 Visual Inspection of the Clinch Nut Hole(s)
Refer to Figure.
Do a dimensional inspection of the hole(s). No oversize or elongation is permitted.
SUBTASK 72-42-33-220-115 Dimensional Inspection of the Clinch Nut Hole(s)
Refer to Figure.
The shank must be flush with or below Surface C after you flare it.
Flare the shank with IAE 3P16434 Flaring tool.
SUBTASK 72-42-33-350-064 Install the Clinch Nut(s)
Refer to Figure and TASK 72-42-33-200-000 (INSPECTION-000).
Examine the No. 4 bearing seal support assembly for the correct installation of the clinch nuts.
SUBTASK 72-42-33-220-087 Examine the Repair
Figure: Repair Details And Dimensions
Repair Details And Dimensions
