
Operating Instructions
2K250/2K300 Contents
3
1
Preface.....................................................................................................................................................5
1.1
Safety instructions .........................................................................................................................5
1.2
ZF instructions ...............................................................................................................................5
1.3
Service products.............................................................................................................................6
2
Application and Design..........................................................................................................................7
2.1
Application ....................................................................................................................................7
2.2
Features..........................................................................................................................................7
2.3
Design ............................................................................................................................................8
2.4
Technical data................................................................................................................................9
2.5
Installation positions....................................................................................................................10
3
Initial Installation.................................................................................................................................11
3.1
Axial runout, radial runout and length tolerances – drive motor.................................................11
3.2
Balancing .....................................................................................................................................12
3.2.1
Semi-key balancing......................................................................................................................12
3.2.2
Full-key balancing .......................................................................................................................12
3.3
Adaptation, motor/gearbox ..........................................................................................................13
3.3.1
Open design .................................................................................................................................13
3.3.2
Closed design with hub bearing and shaft sealing ring................................................................14
3.3.3
Closed version (with shaft seal)...................................................................................................15
3.3.4
Open design with adapter ring .....................................................................................................16
3.3.5
Keyless hub..................................................................................................................................17
3.3.6
Version with pulley drive ............................................................................................................18
3.4
Gearbox - fit.................................................................................................................................19
3.5
Output ..........................................................................................................................................20
3.5.1
Version with belt output ..............................................................................................................20
3.5.2
Version with coaxial output.........................................................................................................20
3.5.3
Version with TSC ........................................................................................................................20
3.6
Electrical connection, gearchange ...............................................................................................20
3.6.1
Shift unit ......................................................................................................................................20
3.6.2
Shift logic.....................................................................................................................................23
3.7
Lubrication...................................................................................................................................24
3.7.1
Splash lubrication ........................................................................................................................24
3.7.2
Recirculating lubrication..............................................................................................................24
3.7.3
Ports and connections for lubrication ..........................................................................................26
3.7.4
Gearbox oil pump ........................................................................................................................29
3.7.5
Heat exchanger ............................................................................................................................31
4
Taking into Operation .........................................................................................................................33
4.1
Initial inspection ..........................................................................................................................33
4.2
Sun gear setting - check ...............................................................................................................33