Add and replace the cooling water timely. Please use pure water for cooling water
Alcohol antifreeze must be replaced in winter to avoid damaging the radiator
Make sure that the injected cooling water (pure water) is is enough
When using it for the first time or leaving it unused for a long time, make sure that the motor is started, and the welding gun can be installed after the cooling water is sprayed, otherwise the motor will not be easy to start.
If the motor is running normally (the radiating hole has the feeling of wind blowing), but the water output is too small or unable to output water, you can drive the air from the air compressor into the water outlet or water inlet for 20 seconds and discharge the air in the pump to improve.