Miller Electric Intellifire 250, Owner'S Manual

Page: 16 / 32

OM-184 227 Page 12
Ref. ST-801 826-A
Tools Needed:
5-5. Measuring Tuning Capacitor Voltage
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.
3/8 in
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.
4
Top View
1
2
3