Wiring Diagram - Westerbeke 10TWO Operator's Manual

Marine engine and generator set
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WIRING DIAGRAM FOR 3 KW GENERATOR SET
Your engine is of 12V system and its electric circuit is as shown on
wiring diagram #24700 as shipped loose with this manual.
For installing electrical parts, connect them correctly by referring
to the diagram and at the same time check for damaged wire sheathing
and confirm that grounding is provided properly.
Care must always be
taken while working on the electrical system.
Never shut the engine battery switch off while the engine is running.
Damage to the battery charging alternator will result should this be
done.
GENERATOR COMPONENT OF GENERATOR SET
All generators for
the inherently regulated series are identical in
design and alike except for length of the various sizes.
Wearing and replaceable parts are similar throughout.
Brushes (39),
bearings (8), rectifier (42), capacitor (45) all bear a high degree of
commonali ty.
(See next page.)
It is necessary only to give correct model and serial number to obtain
correct parts from your local Dealer or Distributor.
Occasionally when a generator set is started, there will be no voltage
build-up.
When this occurs,
the fields must be flashed to restore
residual magnetism.
The fields may be flashed wi th a 6 or 12 vol t
battery as follows:
Stop the engine;
remove the
gener a tor
end
cover.
You
will notice the positive (+)
lead from the field coil is
connected to the + terminal
of
the
rectifier
(Part 42,
opposite page), the negative
lead from the field coil is
connected
to
the
opposite
negative
unmarked
terminal
of
the
rectifier.
Using
alligator
clips,
connect
field coil posi ti ve to bat-
tery positive and field coil
negative to battery negative
for
approximately
ten
sec-
onds.
The
set
will
then
build
voltage
and
output.
(Be careful
not
to connect
on the AC terminals as this
will destroy the rectifier.)
Annature
29
AC
+
Field
Excitation
Rectifier

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