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DC Electrical Connections
A common ground for the negative (-) DC terminal connection is found at the bell housing of the generator,
next to the starter, in the form of a threaded grounding stud. The battery ground should be connected at
this stud.
Connect the battery's positive (
+)
connection to the starter solenoid tagged for this connection.
CAUTION
To avoid an overcharging condition, and a possible equipment failure, DO NOT disconnect
the DC battery source while the engine is running.
Automatic Shutdown
High Exhaust Temperature Shutdown Switch (normally closed)
An exhaust temperature switch is located on the exhaust elbow. Should the switch's sensor indicate an ex-
cessive exhaust temperature, the switch will open and shut the generator OFF (an inadequate supply of sea
water coolant causes high exhaust temperatures). This switch opens at 260 - 270
0
F (127 - 132
0
C) and
resets at approximately 225
0
F (1
O~
C).
High Water Temperature Shutdown Switch (normally closed)
A high water temperature switch is located on the thermostat housing. Should the fresh water coolant's
operating temperature reach approximately 205
0
F (96
0
C), the switch will open and shut the generator OFF.
This switch resets at 195
0
F
(10~
C).
Low Oil Pressure Shutdown Switch (normally open)
A low oil pressure shutdown switch is located off the engine's oil gallery. The switch's sensor monitors the
engine's oil pressure. Should the engine's oil pressure fall to 10 - 15 psi, the switch will open and turn the
generator OFF.
Generator (AC Output)
Make sure that the AC output connections within the generator's distribution box are tight and in accordance
with the specific AC Load Connections diagram found later in this manual. (See the "BC GENERATOR" sec-
tion of this manual, page 54.)
Do not smoke or allow an open flame near batteries. Lead acid batteries emit hydrogen, a
highly-explosive gas.
27
Westerbeke Generators
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