3.3 Procedures ..................................................................................................................................................... 26
3.3.1 Initial Setup .................................................................................................................................. 26
3.3.2 Servicing the Back End Motor and Gearbox................................................................................. 27
3.3.3 Oil Draining .................................................................................................................................. 28
3.3.4 Oil Seal Replacement: Input Shaft................................................................................................ 29
3.3.5 Oil Seal Replacement: PBL Drive Shaft ......................................................................................... 30
3.3.6 Oil Seal Replacement: Distributor Drive Shaft ............................................................................. 31
3.3.7 Oil Seal Replacement: Elevator Drive Shaft ................................................................................. 32
3.3.8 Oil Filling ....................................................................................................................................... 33
3.3.9 Detecting Back End Gearbox Problems ........................................................................................ 34
3.3.10 Separating the Gearbox and Motor ............................................................................................. 34
Back End Gearbox Exploded View ................................................................................................ 35
3.3.11 Back End Gearbox Parts List ......................................................................................................... 36
3.3.12 Repair Parts and Kits .................................................................................................................... 37
Section 4 Back End Gearbox Motor
4.1 Purpose .......................................................................................................................................................... 38
4.2 Scope .............................................................................................................................................................. 38
4.3 Procedures ..................................................................................................................................................... 38
4.3.1 Replacing the Rotor Assembly ..................................................................................................... 38
4.3.1.1 Rotor Replacement ........................................................................................................... 39