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9 Maintenance and cleaning
9 Maintenance and cleaning
Scheduled maintenance and cleaning are prerequisites for a long service life and trouble-free operation.
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout all maintenance, servicing, assembly,
disassembly and repair work:
• The entire system must be disconnected from the power supply prior to performing any work on it.
• Close the compressed air supply.
• Close the gas supply.
• Disconnect the mains plug.
Electric shock
Dangerous voltage due to defective cables.
• Disconnect the mains plug.
• Check all live cables and connections for proper installation and damage.
• Replace any damaged, deformed or worn parts.
• This device may only be opened by qualified personnel (in Germany, see TRBS 1203).
Risk of burns
Risk of burns from hot coolant and hot surfaces.
• Switch off the cooling unit before starting maintenance, servicing, assembly, disassembly or repair
• Wear protective gloves.
NOTICE
• Maintenance and cleaning work may only be carried out by qualified personnel (in Germany see
• Check the coolant hose, seals and connectors for damage or leaks and replace if necessary.
• Always wear your personal protective equipment when performing maintenance and cleaning work.
9.1 Maintenance intervals
NOTICE
• The specified maintenance intervals are guidance values and refer to single-shift operation.
Observe the provisions of EN 60974-4 Inspection and testing during the operation of arc welding
equipment plus any national laws and regulations.
Check the following:
Daily
Check the toothed wheels for abrasion and
damage
Tab. 17
EN - 28
DANGER
DANGER
DANGER
work.
TRBS 1203).
Maintenance intervals
TIG cold-wire feeder
Weekly
Oil all moving parts and roll bearings with suitable
lubricating oil
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