Westerbeke 7.6 KW BTD 60Hz Operator's Manual page 56

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Securing
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7.6 BID - View of Generator Backend
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VOLTAGE BAR
WESTERBEKE GENERATORS
VOLTAGE BAR
The voltage bar has three leads coming in on one
side from the transformer and a single lead on the
other routed to the bridge rectifier. The single lead
can be pOSitioned at either of the three connections.
These connections are used to change the output
voltage of the generator under load. Should the
voltage go below minimum. Reposition this
connection to increase output voltage under load.
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