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 72-60-22-300-004 Starter Drive Gear Housing - Replace The Damaged Studs, Repair-004 (VRS5024)
General
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| BT308 Removal tool | LOCAL | BT308 Removal tool | ||
| SM101-18 Removal tool | LOCAL | SM101-18 Removal tool | ||
| R1107XW Wrench | LOCAL | R1107XW Wrench | ||
| R1105W Wrench | LOCAL | R1105W Wrench | ||
| SF5902-5D Drive tool | LOCAL | SF5902-5D Drive tool | ||
| S101D12 Drive tool | LOCAL | S101D12 Drive tool |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-048 LUBRICANT | 0AM53 | CoMat 10-048 |
Spares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Lock ring | MS51997E-105P | A/R | ||
| Stud | MS51992C645-17 | A/R | ||
| Lock ring | MS51990E-105P | A/R | ||
| Stud | MS51551C205-9 | A/R |
Safety Requirements
NONEProcedure
Refer to Figure.
Use BT308 Removal tool 1 off for lock ring 01-320.
Use SM101-18 Removal tool 1 off for lock ring 01-380.
Cut off stud if too long for the removal tool.
Keep sufficient shank length to give pilot for the removal tool.
Install the removal tool in drill press chuck.
SUBTASK 72-60-22-320-071 Mill the Lock Ring
Refer to Figure.
The depth is given in Figure.
Stud must be perpendicular to flat surface of relevant flange within 0.014 in. (0.35 mm) each 4 in. (101.60 mm).
Use R1107XW Wrench 1 off for stud 01-340.
Use R1105W Wrench 1 off for stud 01-400.
Install the stud.
SUBTASK 72-60-22-350-066 Install the New Stud
Refer to Figure.
Seat the new lock ring to depth given in Figure.
Use SF5902-5D Drive tool 1 off for lock ring 01-320.
Use S101D12 Drive tool 1 off for lock ring 01-380.
Seat the new lock ring.
SUBTASK 72-60-22-350-067 Install the Lock Ring
Refer to TASK 70-38-02-300-503.
Check the surface.
SUBTASK 72-60-22-330-061 Restore the Damaged Anodic Treatment
Refer to TASK 70-23-01-230-501.
Do a crack test on the repaired area.
SUBTASK 72-60-22-230-056 Crack Test the Repaired Area
Figure: Repair details and dimension
Repair details and dimension

