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6-CARE AND MAINTENANCE
Before open the machine
Warning! An electric shock can be fatal. Before opening the
machine:
-
Switch it off and unplug it from the mains
-
Put up a clearly legible and easy-to-understand warning sign to
stop anybody inadvertently switching it back on again
-
Check to make sure the electrically charged components
(e.g.capacitors) have been discharged
-
Bolts in outer case also work for ground connection. Never use
other bolt that can not work for ground connection
Maintenance of welding power source
Please follow the instructions as below to ensure normal use of power source
- Conduct safety check at regular intervals (see “Safety rules”)
- Dismantle machine side panels and clean machine inside with clean and
low-pressure compressed air by professional technician, not less than twice per
year. Clean the components at a certain distance only
- If a lot of dust has accumulated, clean the cooling-air ducts
Maintenance of water-cooled welding torch
For water cooled welding torch:
- Check the connections of water cooling system
- Check the coolant level, cleanliness of coolant etc. (clean coolant only)
- Frequently check coolant’s back flow state
Daily maintenance
