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MAINTENANCE |
SAFETY PRECAUTIONS
ELECTRIC SHOCK CAN KILL.
Only qualified personnel should perform this maintenance.
Turn the input power OFF at the dis- connect switch or fuse box before working on this equipment.
Do not touch electrically hot parts.
ROUTINE AND PERIODIC
MAINTENANCE
1.Disconnect input AC power supply lines to the machine before performing periodic maintenance, tightening, cleaning, or replacing parts.
Perform the following daily:
1.Check that no combustible materials are in the welding or cutting area or around the machine.
2.Remove any debris, dust, dirt, or materials that could block the air flow to the machine for cooling.
3.Inspect the electrode cables for any slits or punctures in the cable jacket, or any condition that would affect the proper operation of the machine.
Perform Periodically:
Clean the inside of the machine with low pressure air stream. Clean the following parts.
•Main transformer and choke.
•Electrode and work cable connections.
•SCR rectifier bridge and heat sink fins.
•Control board.
•Firing board.
•Fan Assembly.
NOTE: The fan motor has sealed bearings which require no maintenance.
