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 72-32-76-300-006 LPC Stage 2.5 Stator - Blend Repair, Repair-006 (VRS1348)
Material of component
RR | ||
|---|---|---|
DESCRIPTION | SYMBOL | MATERIAL |
Vane, STG 2.5 (O/C) | Aluminum alloy | |
Vane, STG 2.5 (Nom) | Aluminum alloy | |
Vane, STG 2.5 (U/C) | Aluminum alloy |
General
This Repair scheme gives the procedure for dressing of the LP compressor stage 2.5 vane assembly.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Dressing of stator vanes will affect engine performance. The extent of repair in a given stage must be limited accordingly.
Price and availability
Refer to IAE for any of the followings:
Tools
Engine parts
Repair of spares
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test equipment | ||
| Portablegrinding equipment | LOCAL | Portable grinding equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 | ||
| CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM | LOCAL | CoMat 07-028 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Dress until all damage is removed.
See Figure.
Do not overheat material.
Use portable grinding equipment.
Dress to remove damage.
Surface finish must be the same as that of the adjacent undressed area.
Refer to the SPM TASK 70-35-03-300-501.
Polish and blend marks must be in a radial direction.
Blend dressed area and polish out scores.
SUBTASK 72-32-76-350-056 Dress to Remove Damage
Refer to Figure.
Refer to TASK 72-32-76-200-001.
Visually inspect repaired area.
SUBTASK 72-32-76-220-056 Examine the Vanes
Penetrant solution must not be applied on to the silicone rubber.
Refer to the SPM TASK 70-23-05-230-501.
Penetrant crack test dressed area.
SUBTASK 72-32-76-230-051 Examine the Vanes for Cracks
Refer to the SPM TASK 70-11-26-300-503.
Clean the vanes.
SUBTASK 72-32-76-110-055 Clean the Vanes
Refer to the SPM TASK 70-38-02-300-503.
Treat dressed area.
SUBTASK 72-32-76-380-053 Reprotect Depressed Areas
Figure: LP compressor stage 2.5 stator vanes, dressing dimensions
LP compressor stage 2.5 stator vanes, dressing dimensions

