24
Maintenance / replacement
7.2.1
Preparatory work
Switch off the pumping station via the "ON/OFF" button on the DCU.
Venting.
Switch off the pumping station at the master switch.
Disconnect the mains plug.
For water cooling: Shut off the water supply.
7.2.2
Dismantling of the turbopump
Remove the connector plug from the electronic drive unit.
Detach and remove the fore-vacuum line from the turbopump.
– Do not damage the fore-vacuum components.
Fig. 9:
Disconnecting the pumping station
from the mains safely
67
Mains cable
125.1 Main switch
125.1
67
Fig. 10: HiCube Pro - turbopump connections (example)
8
Power supply cable
10
DCU/TC interface cable
11
Control cable for fore-vacuum connec-
tion
14
Control cable for air cooling
60
Fore-vacuum connection, locking ring
62
Fore-vacuum connection, centering ring
8
60, 62
10, 11, 14
NOTICE
Note the factory settings.
The accessory connections on the turbopump have been preconfigured at the factory.
Interchanging the control leads on the connector causes the pumping station to mal-
function or fail.
Do not interchange the control leads.
Accessory connections can be configured for operation with the DCU.
– For more information refer to the operating instructions for the electronic drive unit
of the turbopump.
