
CAPTAIN
CONTROL
PANEL
DESCRIPTION
This manually-operated control panel is equipped with a
KEY
switch,
an
RPM gauge, PREHEAT and
START
bul-
tons,
an
INSTRUMENT TEST button and three indicator
lamps, one
for
ALTERNATOR
DISCHARGE, one for low
OIL
PRESSURE,
and
one for high ENGINE COOLANT
TEMPERATURE.
RPM
GAUGE:
REGISTERS
REVOLUTIONS
PER
MINUTE
OF
THE
ENGINE
AND
CAN
BE
RECALIBRATED
FOR
ACCURACY FROM
THE
REAR
OF
THE
PANEL.
OIL
PRESSURE
ALTERNATOR
ALARM
LIGHT
ALARM
LIGHT
WATER
TEMPERATURE
ALARM
LIGHT
START
BUTTON:
WHEN
PRESSED,
ENERGIZES
THE
STARTER'S
SOLENOID
WHICH
CRANKS
THE
ENGINE.
THIS
BUTTON
WILL
NOT
OPERATE
ELECTRICALLY
UNLESS
THE
PREHEAT
BUTTON
IS
PRESSED·AND
HELO
AT
THE
SAME
TIME.
The panel also includes
an
alann buzzer.
for
low
OIL
PRESSURE or high COOLANT TEMPERATURE. The
RPM
gauge
is
illuminated when
the
KEY switch
is
turnerl
on
and remains illuminated while the engine
is
in
operation.
ALARM:
THE
ALARM
WILL
SOUND
IF
THE
ENGINE'S
OIL
PRESSURE
FALLS
BELOW
5-10
psi
(0.4-
0.7
kg/em').
IN
THIS
EVENT,
THE
ALARM
WILL
EMIT
A
PULSATING
SIGNAL.
THE
ALARM
WILL
ALSO
SOUND
IF
THE
COOLANT
TEMPERATURE
IN
THE
FRESHWATER
CODLING
CIRCUIT
RISES
TO
21
o•F
(99°C).
IN
THIS
EVENT,
THE
ALARM
WILL
EMIT
A
CONTINUOUS
SIGNAL.
NOTE:
THE
ALARM
WILL
SOUND
WHEN
THE
KEY
SWITCH
IS
TURNED
ON.
THIS
SOUNDING
IS
NORMAL.
ONCE
THE
ENGINE
STARTS
AND
THE
ENGINE'S
OIL
PRESSURE
REACHES
15
psi
(1.1
kg/em'),
THE
ALARM
WILL
SILENCE.
TEST
BUTTON:
WHEN
PRESSED,
TESTS
THE
ALTERNATOR,
THE
OIL
PRESSURE,
AND
THE
COOLANT
TEMPERA-
TURE
CONTROL
CIR-
CUITS.
WHEN
PRESSED,
THE
ALTERNATOR,
THE
OIL
PRESSURE,
AND
THE
WATER
TEMPERA-
TURE
INDICATOR
LIGHTS
ILLUMINATE
IN
ADOITION
TO
SOUND-
ING
THE
ALARM
BUZZER.
----
.
KEY
SWITCH:
TURN
THE
KEY
SWITCH
ON.
SUPPLIES
DC
POWER
TO
THE
INSTRUMENT
CLUSTER
IN
THE
PANEL.
POWER
TO
THE
PREHEAT
BUTTON.
DC
POWER
TO
THE
EXC
TERMINAL
ON
THE
DC
ALTERNATOR
DC
POWER
TO
THE
ALARM
BUZZER
AND
IT
WILL
EMIT
A
PULSING
SOUND.
DC
POWER
TO
THE
FUEL
SHUT-OFF
SOLENOID
ENERGIZING
IT
TO
ALLOW
FUEL
DELIVERY
TO
THE
INJECTORS.
PREHEAT
BUTTON:
WHEN
DEPRESSED,
IT
SUPPLIES
DC
POWER
TO
THE
START
BUTTON.
ENERGIZES
THE
PREHEAT
SOLENOID
TO
SEND
DC
POWER
TO
THE
GLOW
PLUGS,
FUEL
PUMP
AND
ALARM
BUZZER
P
TERMINAL.
Engines & Generators
6
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