Operator`s manual
DC 
ELECTRICAL 
SYSTEM 
Engine 
12-Volt 
DC 
Control 
Circuit 
The Westerbeke 7.6 KW 
BID 
generator has a  12-volt DC electrical control  circuit, as shown 
on 
wiring 
diagram #039284.  Refer to this diagram when troubleshooting or servicing electrical components 
on 
the 
engine. 
II 
CAUTION n 
To 
avoid damage to the battery charging circuit, never shut off the engine battery switch 
while the engine is running. 
Shut off 
the 
engine battery switch, however,  to avoid electrical shorts when working 
on 
the engine's electrical circuit. 
Battery Specification 
The miuimum recommended capacity 
of 
the battery used 
in 
the engine's 12-volt 
DC 
control circuit is 350-
- 400 cold cranking amps. 
Fuel 
Pump 
The engine mounted fuel pump requires little 
or 
no maintenance.  Ensure fuel being supplied to this pump 
is free 
of 
water or other types 
of 
contaminants that will hinder the pump's operation. 
Periodically check the fuel  connections to and out 
of 
the pump and make sure that no leakage is  present 
and that the fittings are tight and secure.  The DC ground connection at one 
of 
the pumps mounting bolts 
should be clean 
and 
well secured by the mounting bolt to  ensure proper pump operation. 
II 
WARNING 
II 
Fuel  leakage 
at 
the fuel  pump  or  its 
.connections is a fire hazard 
and 
should 
be  corrected.  Make  sure  proper 
ventilation  exists whenever  servicing 
fuel system components. 
WESTERBEKE 
GENERATORS 
Fuel 
Supply 
(out) 
V 
DC 
(+) 
Conn.ection 
Ground 
Wire 
38 
Fuel 
Pump 
::'uel 
Supply 
(in) 
(Inste..ller'lJ 
Connection) 










