Specifications
STARTING/STOPPING
PROCEDURE
THE
STARTING
SYSTEM
Westerbeke
diesel
generators
use
electric starters assisted
by
glow
plugs
for
both nonnal and cold weather starting. The
illustration below
shows
a cross-sectional
view
of
one
cylinder.
The
glow
plug
is
located
in
the
pre-combustion
chamber
so
that its
tip
is
in the injector nozzle's
spray
path.
When
the
glow
plug is energized
by
the
PREHEAT
button,
the
plug
glows
red
at the
tip
and
assists
in
igniting
the
fuel.
The result
is
a rapid start with
less
wear
on
the
starter.
This
system
is
common to
WESTERBEKE
diesels. The start
circuitry
is
designed
so
that the
PREHEAT
button must be
depressed for
the
time specified
in
the
preheat
chart.
Then,
while
keeping
the
PREHEAT
button
engaged,
the
START
button
is
depressed
to
crank the
engine.
NOTE:
The
START switch will not
energize
unless
the
PREHEAT switch
is
depressed.
Depressing
the
PREHEAT
switch activates
the
glow plugs
in
the
cylinder head
so
use
the PREHEAT intermittently
to
avoid overheating
the
glow
plugs.
GLOW
PLUGS
.
~~~~~~
PRE-COMBUSTION
\'
CHAMBER
-------
PREHEAT:
Depress the
PREHEAT
switch.
The voltmeter
and
panel lights, gauges and meters
will
be
activated.
The
PRE-
HEAT
switch should
be
depressed
in
accordance
with
the
following
chart:
Temperatu
eJPreheat
Abnospherlc
Temperatura
Preheating
nme
+41
°F(
+5°C)
or
higher
Approx.
10
seconds
+41°F(+5°C)
to
23°F
(-5°C)
Approx.
15
seconds
+23°F(-5°C)
or
lower
Approx.
20
seconds
limit
of
continuous
usa
30
seconds
before
cranking
START:
While still depressing
the
PREHEAT
switch,
depress
the
START
switch. This will engage
the
starter
solenoid.
Upon engine starting, release the
START
switch.
Do
not
release the
PREHEAT
switch until
the
oil
pressure
reaches
15
psi.
Then
as
long
as
the high water
temperature
and
low
oil pressure protective circuits
do
not
activate,
the
engine
will
remain energized
and
continue
to
run.
12
I 14
~6
\
t::l
\"""
VOLTS
"'
NOTE:
When
starting:
. A
voltage
drop
will
occur
when
the
preheat switch
is
depressed.
Should
the
engine not start when
the
START
switch
is
depressed for
10
to 20 seconds, release both switches
and
wait
30
seconds; repeat the procedure above
and
preheat
longer.
Never
run
the
starter
for
more
than
30
seconds.
Remote
Starting
Procedure
The remote start panel is the same
as
the
engine-mounted
start panel except that it has a green
LED
light
and
no
gauges.
When starting at a remote location,
the
green
LED
lights
when
the generator is running at approximately
600
rpm.
This
indicates when the
START
switch can
be
released
since
the
starting of the generator
may
not be
audible.
A.
When
the
PREHEAT
switch
is
depressed at
the
remote
start/stop panel
the
LED light will illuminate.
When
the
START
switch is depressed
and
the
starter
cranks
the
engine this LED light will dim.
When
the
engine starts
the
LED
light will brighten signaling
to
release
the
START
switch. Continue to hold
the
PREHEAT
depressed
for
a
few
seconds to allow oil pressure
to
build
up
which
closes the oil pressure safety switch that
is
in
the
series
path for
12V
B+
to
the
K2
run relay/fuel
run
solenoid.
The green LED will remain brightly illuminated
while
the
engine
is
running.
B.
After
the
generator
is
started
and
the
START
switch
is
released, the generator's starter will not crank unless
the
PREHEAT
switch is operated
first
because
this
switch
supplies voltage
to
the
START
switch.
Once
the
engine starts, check
the
engine's instruments for
proper oil pressure and battery charging
voltage.
Apply a
light load
to
the generator and
allow
the
engine's operating
temperature
to
come
up
to 140-150
0
(60-66
0
C) before
applying
heavy loads.
NOTE:
Some unstable running may occur
in
a cold
engine.
Depressing the PREHEAT switchfor 10-15 second intervals
will help stabilize the engine RPM until the operating
temperature
reaches
the 140 - 150
0
F and a load
is
applied
to
the
engine.
Engines & Generators
8