Miller XMT 456 CC/CV Manual do Proprietário - Página 27

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5-4. Removing Right Side Panel and Measuring Input Capacitor Voltage in 575 Volt

Models

Tools Needed:

5/16 in

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.

+ lead to lower right

terminal, − lead to

upper right terminal

Turn Off welding power source, and

disconnect input power.

Right Side Panel

To remove panel, remove screws

securing panel to unit.

Interconnect Board PC2

Voltmeter

Measure the dc voltage across the

screw terminals on PC2 as shown

until voltage drops to near 0 (zero)

volts.

Proceed with job inside unit. Rein-

stall right side panel when finished.

Ref. ST-801 718 / Ref. ST-801 536-A

OM-2232 Page 23