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HW0480311
8 Maintenance and Inspection
• Before maintenance or inspection, or wiring, be sure to turn OFF the
switch in the switchgear on the input side and put up a warning sign.
(ex. DO NOT TURN THE POWER ON.)
Failure to observe this warning may result in electric shock or injury.
• For internal inspection immediately after using the welding source, the
capacitor in the welding source may be charged. Wait for approx. five
minutes and remove the cover for inspection.
Failure to observe this warning may result in electric shock or injury.
• Maintenance and inspection must be performed by specified personnel.
Failure to observe this caution may result in electric shock or injury.
Perform periodical maintenance and inspection for safe and efficient operations of the welding
source.
8.1
Daily Inspection Items
Check the following:
(1) The switches operate without fail.
(2) The cooling fan rotates smoothly by turning ON/OFF the power supply switch and
draws the air in from the rear face.
(3) There is no abnormal vibration, beat, or odor.
(4) There is no leakage of gas.
(5) The cable connecting section is not excessively heated.
(6) The welding cable and its connecting section is not excessively heated.
(7) There is no damage on the connection cable such as a cable on the input side or on
the base metal side, resulting in imperfect insulation.
(8) Each connecting section is tightened securely.
WARNING
CAUTION
8-1
HW0480311
8.1 Daily Inspection Items
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