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 75-24-49-300-029 LPT ACC Connector Air Tube - Replace The Nuts, Repair-029 (VRS4360)
General
Price and availability - none.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Riveting equipment | LOCAL | Riveting equipment | ||
| Electric hand drill | LOCAL | Electric hand drill | ||
| Illuminated comparator magnifier | LOCAL | Illuminated comparator magnifier |
Consumables, Materials and Expendables
NONESafety Requirements
NONEProcedure
Use Electric hand drill, diameter of drill 0.27 in. (6.80 mm).
Damage at chamfer, the bore and faces of the connector tube are not permitted.
Refer to Figure.
Machine off the flared part of the worn nuts.
Use pin punch with diameter 0.29 in. (7.50 mm).
Hit lightly the remainder of the nut shaft to remove it from the connector tube.
SUBTASK 75-24-49-040-082 Remove the Worn Nuts (01-455) of the Connector Tube (01-010)
Fine scratches are permitted.
Remove raised material.
Refer to Figure.
Use needle fine stones.
Examine the inner diameter of the hole for damage.
SUBTASK 75-24-49-220-144 Examine the Connector Tube (01-010) for Damage
Make sure that the shoulder of the nuts are installed so that the nuts cannot rotate.
Refer to Figure.
Install the hollow section of the new nuts in to the holes.
Axial movement of the nuts up to a maximum 0.010 in. (0.25 mm) is permitted.
Flare over the locations diameter of the nut.
SUBTASK 75-24-49-440-085 Install the New Nuts (01-455)
No cracks are permitted. Use Illuminated comparator magnifier.
Examine the installed nuts for cracks visually.
The flare must be formed symmetrically without broken or rough edges.
Examine the nuts for correct installation.
Axial movement of the nuts up to maximum 0.010 in. (0.25 mm) is permitted.
Examine the installed nuts dimensionally.
SUBTASK 75-24-49-220-145 Do the Post Repair Inspection
Figure: Repair Details and Dimensions
Repair Details and Dimensions
