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QUESTIONS TO BE RUN INTO DURING WELDING
Fittings, welding materials, environment factor, supply powers maybe have something to do with welding. User
must try to improve welding environment.
A. Arcing-striking is difficult and easy to pause：
1) Make sure the earth cable clincher connects the work piece well.
2) Check each connecting point connected or not.
B. Output current cannot reach rated volume：
That supplied voltage is different from the rated will led to unconformity of the output current and the adjusted
current. When Supplied voltage lower than the rated, the max output current will be lower than the rated.
C. Current is not stabilizing when machine is been operating.
It has something with factors as following.
1) Electric wire net voltage has been changed.
2) There is harmful interference from electric wire net or other equipment.
D. Welding gap has air hole.
1) Check the gas supply loop leaks or not.
2) Surface of mother material has oil, stain, rust, lacquer or other impurity.
MAINTENANCE
WARNING：
Before Maintenance and checking, power must be turned off, and before opening the
housing, make sure the power plug is pulled off.
1. Remove dust by dry and clean compressed air regularly, if welding machine is operating in environment
where is polluted with smokes and pollution air, the machine need remove dust every month.
2. Pressure of compressed air must be within the reasonable range in order to prevent damaging to small
components of inner-machine.
3. Check internal circuit of welding machine regularly and make sure the circuit connections are connected
correctly and tightly (especially plug-in connector and components). If scale and rust are found, please clean
it, and connect again tightly.
4. Prevent water and steam from entering into the machine. If that happens, please blow it dry and check
insulation of machine.
5. If welding machine will not be used for long time, it must be put into the packing box and stored in dry and
clean environment.
6. When wire machine operates for every 300 hours, the electric carbon brush and armature rectifier should be
added to the turbo and bearing.
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