DMC:V2500-A0-72-44-4001-00A-609A-CIssue No:001.00Issue Date:2013-11-01
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 72-44-40-300-001 HPT Stage 1 Outer Seal - Plasma Coat Repair, Repair-001 (VRS3176)
General
Price and availability - refer to IAE
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE | DK026 | CoMat 03-066 |
Spares
NONESafety Requirements
NONEProcedure
CAUTION
HIGH PRESSURE WATER BLAST PROCEDURE WILL NOT REMOVE THE ENGINE RUN PLASMA COAT AND CAUSE POSSIBLE DAMAGE TO THE PART. IF NECESSARY, USE HIGH PRESSURE WATER BLAST PROCEDURE ONLY AFTER THE SPM TASK 70-33-90-300-503 TO REMOVE THE REMAINING PLASMA COAT.Refer to Figure.
Refer to the SPM TASK 70-33-90-300-503.
Remove the plasma coat.
Make sure that the thickness of the base metal is a minimum of 0.041 in. (1.04 mm).
Refer to the SPM TASK 70-15-01-160-501.
If necessary, remove the remaining plasma coat by high pressure water blast.
SUBTASK 72-44-40-120-051 Remove the Plasma Coat from the Stage 1 HPT Outer Seal Assembly
Refer to the SPM TASK 70-34-18-380-501.
Apply a mask as necessary.
Prepare the surface for coating.
SUBTASK 72-44-40-380-002 Prepare the Surface of the Stage 1 HPT Outer Seal Assembly
Refer to the SPM TASK 70-34-03-340-501.
Use CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE at 35 psi (241.316kPa).
Apply plasma coating to the inside diameter of the seal assembly.
SUBTASK 72-44-40-340-051 Apply Plasma Coating to the Stage 1 HPT Outer Seal Assembly
Figure: Repair Details and Dimensions
Repair Details and Dimensions
