Sumitomo TYPE-71c, Руководство по эксплуатации

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3-5
Replacing electrodes
Electrodes are worn out or contaminated due to silica glass evaporated during arc, and
the electrode condition changes day by day. To achieve a repetitive and stable arc for
excellent quality splicing, electrodes should be replaced periodically. Continuing to use
the same electrodes may result in high splice losses and poor splice strength.
On the TYPE-71C, electrodes typically need replacing after approximately 3,000 arc
discharges.
If the number of arc discharge exceeds 2,500, Arc Count on the screen will be
highlighted in yellow for warning, with a message “Electrodes need changing soon”.
If the number exceeds 3,000 times, a warning message appears every time the splicer
is powered on and until you replace electrodes according to the replacement
procedures described in the next page.