DMC:V2500-A0-72-60-2100-00A-530A-BIssue 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 72-60-21-040-001 Main Gearbox Casing And Fittings - Disassemble The Main Gearbox Case And Fittings, Disassembly-001
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.
Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts and parts with an interference fit. Let the parts soak before removal.
Discard all rubber seal rings, cotter pins and seal washers removed in this procedure.
Remove and discard the lockwire before parts are disconnected or removed.
Transportation covers/blanks must be installed immediately after the removal of the components.
NOTE
To identify the consumable materials refer to the PCI.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | 0AM53 | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
SUBTASK 72-60-21-040-051 Remove the Oil Drain Plugs from the Front Side of the Main Gearbox Case
Refer to Figure.
SUBTASK 72-60-21-040-052 Remove the Oil Input Adapters from the Rear side of the Main Gearbox Case
Refer to Figure.
SUBTASK 72-60-21-040-053 Remove the Oil Drain Plugs from the Rear Side of the Main Gearbox Case
Figure: Plugs on the front side of the main gearbox case
Plugs on the front side of the main gearbox case

Figure: Oil input adapters on the rear side of the main gearbox case
Oil input adapters on the rear side of the main gearbox case

Figure: Plugs on the rear side of the main gearbox case
Plugs on the rear side of the main gearbox case

