Jasic Arc 140, Руководство оператора

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4. MAINTENANCE
4.1 Daily maintenance
WARNING
The power of the switching box and the welding machine should be shut down before
daily checking (except appearance checking without contacting the conductive body)
to avoid personal injury accidents such as electric shock and burns.
Table 4-1: Daily checking of the welding machine
Items Checking requirements Remarks
Front panel
Back panel
Cover
Chassis
Routine
Whether any of the components are damaged
or loosely connected;
Whether the output quick sockets are tightened;
Whether the abnormity indicator illuminates.
Whether the input power cable and buckle are
in good condition;
Whether the air intake is unobstructed.
Whether the bolts are loosely connected.
Whether the screws are loosely connected.
Whether the machine enclosure has color fading
or overheating problems;
Whether the fan sounds normal when the machine
is running;
Whether there is abnormal smell, abnormal
vibration or noise when the machine is running.
Earth cable
Welding cable
Whether the grounding wires
(
including workpiece
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;
Whether the cable is drawn by an external force;
Whether the cable connected to the workpiece
is well connected.
Items
Checking requirements
Remarks
Table 4-2: Daily checking of the cables
If unqualified, check the interior
of the machine, and tighten or
replace the components.
If unqualified, tighten or replace
the components.
If abnormal, check the interior
of the machine.
If unqualified, tighten or replace
the components.
4. MAINTENANCE
Use appropriate methods
according to the work site
situation to ensure safety
and normal welding.