Manual no. WDT90100 Page 35
CoolTig - 220
SECTION7 MAINTENANCE
7-1.
Maintenance
Periodic maintenance is necessary for keeping the machine work properly.
CAUTION! DISCONNECT POWER INPUT AND SWITCH OFF THE MAIN
POWER SWITCH BEFORE START OF MAINTENANCE.
Regular Check and Inspection 6 Month Routine Maintenance
Replace unreadable labels.
Clean spatter inside the nozzle when
continuously use the machine.
Check and change broken parts in the
torch to avoid damage to the torch and
machine.
Check the function of all switches.
Check if the fan rotates properly and if
there is air venting out from back of the
machine.
Pay Attention to the abnormal vibration,
noise, smell and gas leakage during
operation.
Check if the welding cables are over
heated.
Check if the cable connections are over
Blow out with dry clean pressure air or
vacuum inside machine, especially
transformer coil and power component.
Check the electric connection of
input/output bar to avoid bad contact
caused by loose or rusted screw.
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