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®
SQUARE WAVE
TIG 200
MAINTENANCE
WARNING
ELECTRIC SHOCK CAN KILL.
For safety while maintaining the machine,
please shut off the supply power and wait for
5 minutes, until capacitor voltage drops to
safe voltage.
All service work should be conducted by an authorised
Lincoln Electric field service agent
WARNING
To avoid receiving a high frequency shock, keep the TIG torch
and cables in good condition.
ROUTINE AND PERIODIC MAINTENANCE
DAILY EXAMINATION
MONTHLY EXAMINATION
OVERLOAD PROTECTION
THERMOSTATIC PROTECTION
NO ARC PROTECTION
MAINTENANCE ITEMS
•
Check for correct operation of the control knob, switches and buttons on the front of
the power source .
•
If the switch is not operational, replace immediately.
•
Check the function of the LED display. If it doesn't work, maintain or replace the
display PCB.
•
Check to see if fan is operating normally. If the fan is not rotating and obstruction is
not present then replace the fan.
•
Check the output terminals for overheating, if so change output terminals. Ensure
welding lead plugs are connected tightly.
•
Check welding leads and power cord for damage. If damaged replace parts.
Use a gentle dry compressed air to clean the inside of arc welding machine. Especially for
removing dust from heat sinks, and PCB components.
D-1
MAINTENANCE
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