Troubleshooting & Repair

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F-24

FIGURE F.7 - MAIN TRANSFORMER SECONDARY LEADS TO

COMMON

BUS

SECONDARY	MAIN
LEADS (6)	TRANSFORMER

9. Test with an AC voltmeter for approximately	NOTE: The secondary voltages will vary if the
55 VAC from each of the six main trans-	input line voltages vary. If any one or more of the
former secondary leads to the common bus	voltage checks are incorrect, check for loose or
connected to the output choke. See Figure	faulty connections. See the Wiring Diagram. If
F.7.	the leads and connections are OK, the main
	transformer may be faulty.