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 72-45-14-300-002 HPT Stage 1 Blade - Touch-Up Coating Repair, Repair-002 (VRS3203)
Effectivity
FIG/ITEM | PART NO. |
|---|---|
01-010 | 2A1221 |
01-010 | 2A1221-001 |
01-010 | 2A1221-002 |
01-010 | 2A1721 |
01-010 | 2A1721-001 |
01-010 | 2A1721-002 |
01-010 | 2A2421 |
01-010 | 2A2421-001 |
01-010 | 2A2621 |
01-010 | 2A2621-001 |
01-010 | 2A2621-002 |
01-010 | 2A2621-003 |
01-010 | 2A2621-004 |
01-010 | 2A3001 |
01-010 | 2A3001-001 |
01-010 | 2A3001-002 |
01-010 | 2A8321 |
01-010 | 2A8321-001 |
01-010 | 2A8321-002 |
01-010 | 2A8321-003 |
01-010 | 2A8321-004 |
01-010 | 2A8521 |
01-010 | 2A8521-001 |
01-010 | 2A8521-002 |
01-010 | 2A8521-003 |
01-010 | 2A8521-004 |
01-010 | 2A8521-005 |
01-010 | 2A8601 |
01-010 | 2A8701 |
01-010 | 2A8801 |
01-010 | 2A8901 |
01-010 | 2A8701-001 |
01-010 | 2A8701-002 |
01-010 | 2A9001 |
01-010 | 2A9101 |
01-010 | 2A9201 |
General
This Repair must only be done when the instruction to do so is given in Engine Manual TASK 72-45-14-200-000 (INSPECTION-000).
CoMat 07-057 SLURRY, ALUMINIUM-SILICON or CoMat 02-183 ALUMINIDE COATING - LOCALIZED APPLICATION, LOW ACTIVITY can be used to repair the stage 1 HPT blade assembly to touch-up the coating.
This repair must only be done when there is no oxidation or corrosion shown on the base material.
The total maximum blade area to be touch-up coated on the airfoil concave and convex sides is 0.450sqin. (2.903 sqcm). You can touch-up coat the platform areas as necessary. Refer to Figure.
Do not use CoMat 07-057 SLURRY, ALUMINIUM-SILICON and CoMat 02-183 ALUMINIDE COATING - LOCALIZED APPLICATION, LOW ACTIVITY or this repair when you replace all the primary coating on the vane.
The practices and processes referred to in the procedure by TASK numbers are in the SPM.
Price and availability - none
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Workshop inspection equipment | LOCAL | Workshop inspection equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-183 ALUMINIDE COATING - LOCALIZED APPLICATION, LOW ACTIVITY | IAE86 | CoMat 02-183 | ||
| CoMat 05-029 CAST STEEL SHOT, S110 | LOCAL | CoMat 05-029 | ||
| CoMat 05-030 CAST STEEL SHOT DELETED | 0AM53 | CoMat 05-030 | ||
| CoMat 05-031 CAST STEEL SHOT DELETED | 0AM53 | CoMat 05-031 | ||
| CoMat 05-032 CAST STEEL SHOT, S170 | 42736 | CoMat 05-032 | ||
| CoMat 05-033 CAST STEEL SHOT DELETED | 0AM53 | CoMat 05-033 | ||
| CoMat 05-034 CAST STEEL SHOT DELETED | 0AM53 | CoMat 05-034 | ||
| CoMat 07-057 SLURRY, ALUMINIUM-SILICON | 0FGH2 | CoMat 07-057 |
Spares
NONESafety Requirements
CAUTION
Procedure
Refer to the Heat Tint Inspection in TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
Do a heat tint inspection on the blade assembly.
Do the procedure given in the SPM TASK 70-38-14-380-501.
The total maximum blade area to be touch-up coated on the airfoil concave and convex sides is 0.450 sqin. (2.903 sqcm).
You can touch-up coat the platform areas given in the figure.
Prepare and touch-up the blade assembly coating.
Refer to the Heat Tint Inspection in TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
If the heat tint inspection is unsatisfactory, do the touch-up coating repair again.
Do a heat tint inspection on the repaired blade assembly.
Do the procedure given in the SPM TASK 70-38-13-380-501.
Shot peen the blade root area.
Refer to TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
Do an airflow check on the blade assembly.
Make a permanent mark by the SPM TASK 70-09-00-400-501.
Identify the repair. Make a mark VRS3203 adjacent to the part number, if necessary.
SUBTASK 72-45-14-350-052-001 Touch-Up the Stage 1 HPT Blade Assembly Coating with the Aluminum Silicon Slurry
Refer to the Heat Tint Inspection in TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
Do a heat tint inspection on the blade assembly.
Do the procedure given in the SPM TASK 70-38-26-380-501.
The total maximum blade area to be touch-up coated on the airfoil concave and convex sides is 0.450 sqin. (2.903 sqcm).
You can touch-up coat the platform areas given in the figure.
Prepare and touch-up the blade assembly coating.
Refer to the Heat Tint Inspection in TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
If the heat tint inspection is unsatisfactory, do the touch-up coating repair again.
Do a heat tint inspection on the repaired blade assembly.
Do the procedure given in the SPM TASK 70-38-13-380-501.
Shot peen the blade root area.
Refer to TASK 72-45-14-200-001-A00 (INSPECTION-001, CONFIG-001) or TASK 72-45-14-200-001-B00 (INSPECTION-001, CONFIG-002).
Do an airflow check on the blade assembly.
Make a permanent mark by the SPM TASK 70-09-00-400-501.
Identify the repair. Make a mark VRS3203 adjacent to the part number, if necessary.
SUBTASK 72-45-14-350-052-002 Touch-up the Stage 1 HPT Blade Assembly Coating with the Cobalt-Aluminum Slurry
Figure: Repair Details and Dimensions
Sheet 1

Figure: Repair Details and Dimensions
Sheet 2

Figure: Repair Details and Dimensions
Sheet 1

Figure: Repair Details and Dimensions
Sheet 2

