CR1000/CR1250
7 Operation
NOTICE
• The cooling unit may only be operated by qualified personnel (in Germany see TRBS 1203).
• Please also consult the operating instructions for the welding components and welding torch.
7.1 Before initially putting into operation and following long periods of non-use
1 Check that coolant pump can move freely.
2 Check the tightness of the coolant connections.
3 In case of leakages, tighten the hose clip at leak points using pliers or retighten screw terminals using a
screwdriver.
8 Putting out of operation
NOTICE
• When putting the system out of operation, ensure that the procedures for switching off all the welding
1 Disconnect the mains plug on the cooling unit.
9 Maintenance and cleaning
Under normal operating conditions, the cooling unit does not require maintenance.
Despite the above, scheduled maintenance and cleaning are prerequisites for a long service life and a fault-
free operation.
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout the entire duration of maintenance, servicing,
assembly, disassembly and repair work:
• Switch off the power source.
• Switch off the entire welding system.
• Disconnect the mains plug at the robot welding power source.
Electric shock
Dangerous voltage due to defective cables.
• Check all live cables and connections for proper installation and damage.
• Replace any damaged, deformed or worn parts.
NOTICE
• Maintenance and cleaning work may only be carried out by qualified personnel
• Always wear your personal protective equipment when performing maintenance and cleaning work.
system components are observed.
DANGER
DANGER
(in Germany see TRBS 1203).
7 Operation
EN - 15