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
V2500-A5
Common Information
TASK 72-00-60-450-012-C00 External Gearbox Components - Install The PMA Drive Gear Assembly, Installation-016 - SBE 72-0055
General
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.
For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.
For standard torque data and procedures refer to the SPM TASK 70-41-00-400-501 and TASK 70-41-02-400-501.
Special torque data and assembly tolerances are included in the procedure.
Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-077 APPROVED ENGINE OILS, unless other lubricants are referred to in the procedure.
To identify, lubricate and install seal rings refer to the SPM TASK 70-44-01-400-501.
After assembly apply CoMat 07-012 AIR DRYING ENAMEL, A/C grey to any damaged surface protection, joint flanges and attach parts. Use the correct color of air drying enamel. Refer to the SPM TASK 70-38-06-380-501 .
The number for each radial location must be identified in a clockwise direction. These start at the engine top position when you look from the rear of the engine, unless stated differently in the procedure.
Transportation covers/blanks must be removed immediately before the installation of the component.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1F10227 Drift | 0AM53 | IAE 1F10227 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-126 LOCKWIRE | LOCAL | CoMat 02-126 | ||
| CoMat 07-012 AIR DRYING ENAMEL | 0AM53 | CoMat 07-012 | ||
| CoMat 10-077 APPROVED ENGINE OILS | LOCAL | CoMat 10-077 |
Safety Requirements
NONEProcedure
Refer to Figure.
Install a new Main Gearbox Assembly (72-60-10, 01-645) packing 1 off, into the groove of the mounting flange of the PMA drive gear assembly.
Install the PMA drive gear assembly on the PMA drive housing. Engage the gear of the PMA drive gear with the gear of the layshaft extension. Use IAE 1F10227 Drift drift, install/support 1 off.
Install the bracket Main Gearbox Assembly (72-60-10, 01-630) on the two higher studs of the PMA drive gear assembly and on the bolts of the bracket Main Gearbox Assembly (72-60-10, 01-632).
Install the three nuts Main Gearbox Assembly (72-60-10, 01-640) which safety the PMA drive gear assembly and the bracket to the PMA drive housing.
Install the two nuts Main Gearbox Assembly (72-60-10, 01-637) which attach the bracket Main Gearbox Assembly (72-60-10, 01-630) to the bracket Main Gearbox Assembly (72-60-10, 01-632).
SUBTASK 72-00-60-420-108 Install the PMA Drive Gear
Refer to Figure.
Safety with CoMat 02-126 LOCKWIRE.
SUBTASK 72-00-60-420-109 Install the Tube 184
Install the dedicated alternator stator, refer to TASK 72-00-60-050-001.
SUBTASK 72-00-60-430-053 Install the Dedicated Alternator Stator
Figure: Install the PMA drive gear assembly
Install the PMA drive gear assembly
