Miller XMT 456 CC/CV Gebruikershandleiding - Pagina 26
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5-3. Removing Right Side Panel and Measuring Input Capacitor Voltage In 230/460 Volt
Models
terminal, − lead to
Tools Needed:
5/16 in
OM-2232 Page 22
Y Significant DC voltage can remain on capacitors af-
ter unit is Off. Always check the voltage as shown
to be sure the input capacitors have discharged be-
fore working on unit.
2
230 VAC input:
+ lead to lower
upper terminal
2
460 VAC input:
+ lead to lower right
terminal, − lead to
upper left terminal
1
3
3
Turn Off welding power source, and
disconnect input power.
1
Right Side Panel
To remove panel, remove screws
securing panel to unit.
2
Relinking Board PC6
3
Voltmeter
Measure the dc voltage across the
screw terminals on PC6 as shown
until voltage drops to near 0 (zero)
volts.
Proceed with job inside unit. Rein-
stall right side panel when finished.
ST-801 718 / ST-801 536-B