61
7-CARE AND MAINTENANCE
Before open the machine
Warning!
An electric shock can be fatal. Before doing any work on 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 on again.
-
Check to make sure the electrically charged components (e.g.capacitors) have
been discharged.
-
Bolts in machine case also work for ground connection. Never use other bolt
that cannot work for ground connection.
Maintenance
Please follow the instructions as below to ensure normal lifespan 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 and cleanliness(clean coolant only)
- Frequently check coolant’s back flow state
Daily maintenance