Specifications
GENERATOR
CONTROL
PANELS
DESCRIPTION
OF
SWITCHES
This manually controlled series
of
WESTERBEKE
diesel generators is equipped with toggle switches
on
the
engine control panel and, optionally, at remote panels.
All three switches are momentary contact type and serve the
following functions:
PREHEAT:
The PREHEAT toggle serves two purposes:
preheating the engine for easy starting and bypassing the
engine oil pressure switch. The PREHEAT function closes
the K2 relay. as well as supplies current to the
fuel solenoid
pull coil.
When the PREHEAT switch is depressed, the voltmeter,
panel lights, gauges and meters and the hold coil
of
the fuel .
solenoid.
START:
The START toggle switch closes the
Kl
relay that
energizes the starter solenoid and activates the starter.
While the PREHEAT switch is still depressed, depressing the
START switch engages the start solenoid. When the engine
begins to fire, the
START switch should be released. The
PREHEAT switch should not
be
released until the oil
pressure reaches 5 - 10 psi.
STOP:
The STOP toggle switch is a normally closed switch
providing power to the K2 relay. Opening
of
this switch
opens the power circuit to the fuel solenoid, stopping the
flow
of
fuel to the engine and shuts down the engine.
To stop the engine, depress the
STOP switch. When the
STOP switch is depressed, the power feed to the fuel sole-
noid is opened, and the fuel flow to the engine is stopped.
The
STOP switch should
be
depressed until the generator
stops rotating
NOTE:
When
the
engine
is
shut
down,
the
water temperature
gauge
and
the
oil
pressure
gauge
will continue
to
register
the
last
temperature
and
oil
pressure
readings
displayed.
They
will
return
to
zero
once
electrical power
is
restored.
EMERGENCY
STOP:
The EMERGENCY
stop switch on the side
of
the control box,
is normally closed. When depressed, it
will open the
DC
circuit to the control
panel and
shut the engine down. As the
switch is not toggled
it
can be used when
performing maintenance.
DESCRIPTION
OF
GAUGES
Coolant
Temperature
Engine coolant (water) temperature should normally indicate
175
0
to 195
0
F (80
0
to 90
0
C).
Engine
Oil
Pressure
Oil pressure (psi) may fluctuate depending on the generator
load but should range between between
30 to 60 psi.
DC
Voltmeter
Indicates the amount the battery is being charged should show
13Vto
14V.
Hourmeter
Registers elapsed time and is used as a guide for when to
perform scheduled maintenance.
REMOTE
PANEL
For remote operation
of
the generator system, the same three
switches are used. The PREHEAT and
START switches are
connected in parallel with the gauge panel's switches and
serve the same functions as in the gauge panel. The
STOP
switch is in series with the gauge panel's STOP switch and
serves the same function. There is a REMOTE
START/STOP
WIRING DIAGRAM in this manual.
GENERATOR
RELEASE
STARTER
PREHEAT
MUST
~
PRESS
l~
1
ST
i5ilI
fli
STOP
START
~)
PRESS
'tljl 2ND
WESTERSEKE
NOTE:
For additional infonnation on
Control
Panels.
Refer
to:
STARTING/STOPPING
PROCEDURE,
DC
WIRING
DIAGRAMS and
TROUBLESHOOTING
GAUGES.
. Engines & Generators
6