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 75-24-48-300-014 HPT ACC Air Tubes - Replace the Pin, Repair-014 (VRS1549)
Effectivity
FIG/ITEM | PART NO. |
02-200 | 2A1545 |
02-210 | 2A1549 |
02-220 | 2A1553 |
02-230 | 2A1557 |
02-400 | 2A1547 |
02-410 | 2A1551 |
02-420 | 2A1555 |
02-430 | 2A1559 |
Material of component
PART IDENT | SYMBOL | MATERIAL |
TCC tube assembly | Fe 18.5 Cr-11 Ni-0.4 Ti | |
TCC tube assembly (Pin) | Fe 18.5 Cr-11 Ni-0.4 Ti |
General
Price and availability - none.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
For the method to clean the parts, refer to Cleaning-000 TASK 75-24-48-100-100.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Tungsten inert gas system (TIG) | LOCAL | Tungsten inert gas system (TIG) | ||
| Grinder, hand held pneumatic | LOCAL | Grinder, hand held pneumatic | ||
| Magnifying Glass | LOCAL | Magnifying Glass | 8x |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 03-204 WELDING FILLER WIRE | LOCAL | CoMat 03-204 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use a Grinder, hand held pneumatic.
Refer to Figure.
Cut out the pin.
SUBTASK 75-24-48-350-146 Cut Out the Pin
Refer to Cleaning-000 TASK 75-24-48-100-100.
Remove all the oxides, hydrocarbon, grit and scale from the surface to be welded and adjacent area by local cleaning.
SUBTASK 75-24-48-350-147 Remove all the Soil from the Surface
Refer to Figure.
Refer to Figure.
Refer to SPM TASK 70-31-02-310-501-001.
Weld the pin to the support by tungsten inert gas (TIG) weld.
Use a Grinder, hand held pneumatic.
In contact area, remove excess weld and dress flush with adjacent area.
SUBTASK 75-24-48-350-148 Weld the Pin
Stress relieve at 1200 deg F plus or minus 25 deg F (649 deg C plus or minus 14 deg C) for one hour.
Heat treat the TCC tube assemblies.
SUBTASK 75-24-48-310-079 Heat Treat the TCC Tube Assemblies
Refer to SPM TASK 70-23-05-230-501.
Penetrant examine the repaired area.
Use a 8x Magnifying Glass.
Refer to Inspection-000 TASK 75-24-48-200-100.
Visually examine the repaired area.
SUBTASK 75-24-48-220-090 Examine the Welded Area for Cracks
Figure: Replacement of the Pin
Replacement of the Pin
