Manual no. WDT90100 Page 36
CoolTig - 220
heated.
Check if the cable is connected firmly and
properly, if it is broken and cause bad
insulation.
Check the cover grounded properly.
Table 7.1
7-2.
Safety precaution
Refer to the American National Standard Z49.1 entitled: SAFETY IN WELDING
AND CUTTING. ALL INSTALLATION, OPERATION, MAINTENANCE, AND
REPAIR WORK MUST BE PERFORMED BY QUALIFIED PERSONAL.
7-2.1.
Welders must be equipped with welding mask, gloves and tie the sleeves and collar
properly. Use Table 6.4 to choose proper glass shade, also can reference to ANSI
Z49.1 listed in Safety Standards. There should be an arc shield around welding field
to protect others from arc shock.
7-2.2.
Do not perform welding near flammable, explosive materials or gases.
7-2.3.
Gas cylinder must be located at a safe and steady place to avoid injury others.
7-2.4.
Keep finger, hair and clothing away from the rotating fan.
7-2.5.
The power source must be grounded when welding.
7-2.6.
When yellow protection light is enlightened during welding, it is indicating that the
welding machine is over current or over heat, and automatic protection will be
triggered. Stop welding immediately and wait until welding machine cool down.
7-2.7.
Welding machine should not work in a flammable and toxic environment, avoid
moisture, rain, and do not directly expose to sun.
7-2.8.
Do not switch off the welding machine during welding!
7-2.9.
Periodically maintain the machine and clean the dust inside.
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