7. Do not use broken or wet insulation gloves.
8. Use safet net when work at high position.
9. Check and maintain regularl , 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 b 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 sta in the bottom. Please replace gas
sufficientl and use gas respire facilities in case of ox gen shortage.
4．Please accept the supervisor’s check when operate in narrow space, and ensure enough gas suppl and use breathe
preventive facilities.
5．Do not weld in degrease, washing and spra space.
6．Use breathe preventive facilities as it will cause poisonous dust and gas when weld shielded steel.
Danger! Please follow the below notes to avoid accidents like fire and explode:
＊Spark and hot workpiece can cause fire.
＊It may cause fire if the cable is not connected well or when the current circuit of the steel or
other workpiece are not connected completely.
＊Do not weld on the case of tinder stuff, or it may cause explode.
＊Do not weld airtight containers such as slot, pipe etc., or may break.
1．Do not put tinder stuff in welding area.
2．Do not weld around tinder gas.
3．Do not put heat workpiece near the tinder stuff.
4．When weld the door ard, ground and wall, do move awa the tinder stuff around.
5．The cable joint place should be insulated.
6．The cable joint of the workpiece should be close enough to the welding place.
7．Do not weld those facilities with gas pipe or airtight slot.
8．Put fire extinguisher around the welding area in case of fire.
Notes! Please wear protective appliance to avoid arc, spark, residue and noise.
＊ Arc ray can cause eye inflammation or skin burnt.
＊Spark and residue will burn your eyes and skin.
1． When welding or supervise welding, please use preventive facilities with enough shielding.
2． Please wear preventive glasses.
3． Please wear preventive facilities such as leather gloves, coat, foot-safeguard and apron.
4．Set preventive shield screen around the welding area to protect other people from harmful arc ra s.
Notes! Please follow the below notes to avoid gas cylinder toppling over or broken.
USER MANUAL 3 YF-20Y A1
