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Daily checking of other items
Item Checking requirements Remark
Earth cable
Whether the grounding wires (including workpiece
GND wire and welding machine GND wire) are
loosened.
If unqualified, tighten or
replace the components.
Welding cable
Whether the insulating layer of the cable is worn, or
the conductive part of the cable is exposed;
Whether the cable is drawn by an external force;
Whether the cable connected to the workpiece is well
connected.
Use appropriate methods
according to the work site
situation to ensure safety
and normal welding.
Gas hose
Whether gas hose is tightly connected;
Whether hose clamp is tightly connected;
Whether hose pipe is worn out or has any leakage.
If unqualified, tighten or
replace the components.
6.2 Periodic maintenance
Warning
1. To ensure your safety, periodic check can only be carried out by qualified professionals.
2. Please shut down the switching box and the welding machine before periodic check to
avoid personal injury accidents such as electric shock and burns.
3. Due to capacitors’ discharge, all checking should be carried out 5 minutes after the machine
is powered off.
Tips Remarks
Safety
All maintenance and checking should be carry out after the power is completely cut
off. Make sure the power plug of the machine is pulled out before uncovering the
welding machine.
When the machine is powered on, keep hands, hair and tools away from the
moving parts such as cooling fan, to avoid personal injury or machine damage.
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