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 72-32-51-300-017 LP Rotor Center Shaft - Repair By Plasma Spraying The Snap Diameter, Repair-017 (VRS1283)
General
Price and availability
Refer to IAE for any of the following:
Tools
Engine parts
Repair of spares
The practices and processes referred to in the procedure by the TASK number are in the SPM.
This Repair scheme gives the procedure for plasma spraying the snap diameter of the rotor center shaft.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Lathe | LOCAL | |||
| Abrasive blasting facility | LOCAL | |||
| Fluorescent Penetrant Inspection Equipment | LOCAL |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-051 HIGH TEMPERATURE GLASS CLOTH TAPE | X111X | CoMat 02-051 | ||
| CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5) | 00BB6 | CoMat 03-038 | ||
| CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE | LOCAL | CoMat 05-001 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
SUBTASK 72-32-51-324-057 Machine the Worn Snap Diameter
Refer to SPM TASK 70-21-01-220-501.
Visually examine the machined area.
SUBTASK 72-32-51-220-109 Examine the Rotor Center Shaft
Refer to SPM TASK 70-23-01-230-501.
Do a crack test.
SUBTASK 72-32-51-230-060 Examine the Rotor Center Shaft for Cracks
Refer to SPM TASK 70-12-02-120-501.
Abrasive blast the rotor center shaft surface to be plasma sprayed.
SUBTASK 72-32-51-120-053 Abrasive Blast the Rotor Center Shaft
Refer to Figure.
Refer to SPM TASK 70-34-03-340-501.
Apply plasma spray. Minimum diameter of 11.818 in. (300.16 mm) is required after plasma spraying.
SUBTASK 72-32-51-340-053 Apply Plasma Spray on the Snap Diameter
Refer to Figure
SUBTASK 72-32-51-324-058 Machine the Snap Diameter
Refer to TASK 72-32-51-200-000.
Visually examine the rotor center shaft.
SUBTASK 72-32-51-220-110 Examine the Rotor Center Shaft
Refer to Figure.
Make a permanent mark by the procedure given in SPM TASK 70-09-00-400-501.
Use electrolytic permanent mark.
Make a beehive symbol mark with the letter PS inside the beehive and mark VRS1283 adjacent to part number as shown.
SUBTASK 72-32-51-350-282 Identify the Repair
Figure: Rotor center shaft
Rotor center shaft

