USER MANUAL - 3 - YF-68E/A0
people with safety knowledge and technique to operate the machine.
Danger! Please follow the rules below in case of electric shock:
＊
Any contact of electric parts may cause fatal electric shock or burnt.
1. Don’t touch any electric parts.
2. Ask professional person to connect the machine and workpiece to the ground.
3. Cut off the power box before the installation or checking, and restart after 5 minutes. For the
capacitance is chargeable, please ensure it has no voltage before restart even if the power source is
cut off.
4. Do not use cable without enough section or with worn-out cover or broken conductor.
5. Do ensure insulation at the cable joint parts.
6. Do not use the machine when the housing is off.
7. Do not use broken or wet insulation gloves.
8. Use safety net when work at high position.
9. Check and maintain regularly, don’t use it until the broken parts are fixed well.
10. Cut off all the input power when not use.
11. Follow the national or local related standard and regulations when using the AC/DC machine at
narrow or high position.
Danger!
Please use preventive measures to avoid gas and fumes.
＊
Gas and fumes are harmful to health.
＊
It may cause choke when operate in narrow space.
1. In case of accidents like gas poisoning or choke, please use suggested exhaust equipment and
breathe preventive facilities.
2. In case of hurt and poisoning by gas and other powder, please use suggested part exhaust
equipment and breathe preventive facilities.
3. When operated on trunks, boilers, cabins etc.,the CO2 and argon gas will stay in the bottom. Please
replace gas sufficiently and use gas respire facilities in case of oxygen shortage.
4. Please accept the supervisor’s check when operate in narrow space, and ensure enough gas supply
and use breathe preventive facilities.
