Lincoln Electric IDEALARC DC-655 Service Manual page 66

F-24
MAIN TRANSFORMER (T1) VOLTAGE TEST (continued)
SECONDARY
LEADS (6)
9. Test with an AC voltmeter for approximately
55 VAC from each of the six main trans-
former secondary leads to the common bus
connected to the output choke. See Figure
F.7.
TROUBLESHOOTING & REPAIR
FIGURE F.7 - MAIN TRANSFORMER SECONDARY LEADS TO
COMMON BUS VOLTAGE CHECK
COMMON
BUS
IDEALARC DC-655
NOTE: The secondary voltages will vary if the
input line voltages vary. If any one or more of the
voltage checks are incorrect, check for loose or
faulty connections. See the Wiring Diagram. If
the leads and connections are OK, the main
transformer may be faulty.
F-24
CHOKE
MAIN
TRANSFORMER