Periodic Check - ESAB RS 400x Instruction Manual

machine is running;
Items
Whether the grounding wires (including work piece
Earth cable
GND wire and welding machine GND wire) break off.
Whether the insulating layer of the cable is worn, or
the conductive part of the cable is exposed;
Welding cable
Whether the cable is drawn by an external force;
Whether the cable connected to the work piece is
well connected.

Periodic check

WARNING
Periodic check should be carried out by qualified professionals to ensure safety.
The power of the switching box and the welding machine should be shut down
before periodic check to avoid personal injury accidents such as electric shock and
burns. Due to the discharge of capacitors, checking should be carried out 5 minutes
after the machine is powered off.
Tips
Table 4-2: Daily checking of accessories
Checking requirements
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 the fan to avoid personal injury or machine damage.
Periodic check
Check periodically whether inner circuit connection is in good condition (esp. plugs).
Tighten the loose connection. If there is oxidization, remove it with sandpaper and then
reconnect.
Check periodically whether the insulating layer of all cables is in good condition. If there
is any dilapidation, rewrap it or replace it.
Remarks
If not proper, tighten or replace the
components.
Use appropriate methods according to
the work site situation to ensure safety
and normal welding.
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