Measuring Tuning Capacitor Voltage - Miller Electric Intellifire 250 Owner's Manual

5-5. Measuring Tuning Capacitor Voltage

Tools Needed:
3/8 in
OM-184 227 Page 12
Y Significant AC voltage can remain on
capacitors after unit is Off. Always
check ALL capacitors as shown to be
sure they have discharged before
working on unit.
4
1
2
3
Top View
Turn Off power source and
disconnect input power.
Remove wrapper.
1 Tuning Capacitor C1
2 Tuning Capacitor C2
3 Tuning Capacitor C3
4 Voltmeter
Check tuning capacitors.
Measure the ac voltage across the
terminals on capacitors every 30
seconds until voltage is near 0
(zero) volts.
Proceed with job inside unit.
Reinstall wrapper when finished.
Ref. ST-801 826-A