CR1000/CR1250
9 Maintenance and cleaning
BAL.0351.0 • 2018-08-15
EN - 15
9 Maintenance and cleaning
Under normal operating conditions, the cooling unit does not require maintenance.
Scheduled maintenance and cleaning are prerequisites for a long service life and trouble-free operation.
9.1 Maintenance intervals
When using arc welding equipment, always observe the provisions of EN 60974-4 Inspection and testing, as well as any
national laws and regulations.
Check the following:
DANGER
Risk of injury due to unexpected start-up
The following instructions must be followed during all maintenance, servicing, assembly, disassembly, and repair work:
• Switch off the power source.
• Switch off the entire welding system.
• Disconnect all electrical connections.
DANGER
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 (in Germany see TRBS 1203).
• Always wear your personal protective equipment when performing maintenance and cleaning work.
NOTICE
• The maintenance intervals given are standard values and refer to single-shift operation.
Daily
Monthly
Every six months
Check the coolant level,
fill if necessary
Clean the finned radiator using
compressed air, removing all dust
Change the coolant
Option: check the coolant supply and
return hoses for dirt, replace if necessary
Flush the finned radiator against the
direction of the supply/return flow
Flush the coolant container
Check the tightness of connectors, if
necessary, tighten hose clamps using pliers.
Check coolant hoses for damage
Tab. 8
Inspection intervals