ADMIRAL
CONTROL
PANEL
DESCRIPTION
This
manually-operated
control panel
is
equipped
with
a
KEY
switch
and
RPM
gauge with an ELAPSED TIME
meter
which
measures
the engine's running time
in
hours
and
in
1110
hours.
The
panel
also includes a
WATER
TEMPER-
ATURE
gauge
which
indicates water temperature
in
degrees
Fahrenheit,
an
OIL
PRESSURE gauge
which
measures the
engine's
oil
pressure
in
pounds per square inch,
and
a DC
control
circuit
VOLTAGE
gauge which measures the
sys-
tem's
voltage.
All
gauges
are
illuminated
when
the
key
switch
is
turned
on
and
remain illuminated while the engine
is
in
operation.
The
.panel
also contains
two
rubber-booted
pushbuttons,
gne
for
PREHEAT
and
one
for
START.
RPM
GAUGE:
REGIS-
TERS
REVOLUTIONS
PER
MINUTE
OF
THE
ENGINE
AND
CAN
BE
RECALIBRATED
FOR
ACCURACY
FROM
THE
REAR
OFTHE
PANEL.
HOURMETER:
REGISTERS
ELAPSED
TIME,
AND
SHOULD
BE
USED
AS
A
GUIDE
FOR
THE
MAINTENANCE
SCHEDULE.
WATER
TEMPERATURE
GAUGE:
THIS
GAUGE
IS
GRADUATED
IN
DEGREES
FAHRENHEIT
AND
IS
ILLUMINATED
WHILE
THE
KEY
SWITCH
IS
TURNED
ON.
THE
ENGINE'S
NORMAL
OPERATING
TEMPERATURE
IS
170"
-190" F (77"-
88"C).
PREHEAT
BUTTON:
DEPRESSED,
IT
CLOSES
·
When
the
engine
is
shut
down
with
the
key
switch
turned
off,
the
water temperature gauge will continue
to
register
the
last
temperature reading indicated
by
the
gauge
before
electrical
power
was
turned
off
The oil pressure
gauge
will
fall
to
zero
when
the
key
switch is turned
off
The temperature
gauge
will
once
again
register the engine's true temperature
when
·
electrical
po"";"er
is
restored
to
the
gauge.
A
separate
alarm
buzzer
with
harness
is
supplied
with
every
Admiral
Panel
The
installer
is
responsible
for
electrically
con-
necti~g
the
buzzer to
the
four-pin
connection
on
the
engine's
..
electncal
harness.
The installer
is
also
responsible
for
installing
the
buzzer
in
a
location
where
it
will
be
dry
and
where
it
will
be
audible
to
the
operator
should
it
sound
while
the
engine
is
running.
The
buzzer
will
sound
when
the
ignition
key
is
turned
on
and
should
silence
when
the
engine
has
started
and
the
engine's
oil
pressure
rises
above
15
psi
(1.1
kg/cm
2
).
OIL
PRESSURE
GAUGE:
THIS
GAUGE
IS
GRADU-
ATED
IN
POUNDS
PER
SQUARE
INCH
(PSI)
AND
IS
ILLUMINATED
WHILE
THE
KEY
SWITCH
IS
TURNED
ON.
THE
ENGINE'S
NORMAL
OPERATING
OIL
PRESSURE
RANGES
BETWEEN
30-
60
psi
(2.1-4.2
kg/cm
2
).
SWITCH:
THE
KEY
SWITCH
WHEN
TURNED
ON
SUPPLIES
DC
POWER
TO
THE
INSTRUMENT
PANEL
CLUSTER,
PREHEAT
SWITCH,
EXCITATION
TERMINAL
OF
THE
DC
CHARGING
ALTERNATOR
AND
TO
THE
ALARM
BUZZER
ENERGIZING
IT
IN
A
PULSING
MODE.
I
•
DC
VOLTMETER:
INDICATES
THE
AMOUNT
THE
.BAmFW
IS
BEING
CHARGED.
SHOULD
SHOW
13VTO
14V.
THE
CONTACTS
IN
THE
PREHEAT
SOLENOID
SENDING
POWER
TO
THE
GLOW
PLUGS.
THE
"I"
TERMINAL
ON
THE
PREHEAT
SOLENOID
ALSO
RECEIVES
POWER
AND
THIS
IS
TRANSMITTED
TO
THE
ELECTRIC
FUEL
PUMP.
.
DC
POWER
IS
ALSO
TRANSMITTED
TO
THE
START
BUTTON.
AUTOMATIC
ALARM
SYSTEM
'
,'/.
·.
·--~····'
COOLANT
TEMPERATURE
ALARM:
AN
ALARM
BUZZER
HAS
BEEN
"/~
SUPPLIED
WITH
THE
INSTRUMENT
PANEL.
IF
THE
ENGINE'S
COOLANT
REACHES
210"
F
(99"C),
THIS
SWITCH
WILL
CLOSE
SOUNDING
THE
ALARM
WHICH
WILL
EMIT
A
CONTINUOUS
SIGNAL.
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
HELD
AT
THE
SAME
TIME.
5
OIL
PRESSURE
ALARM:
AN
OIL
PRESSURE
ALARM
SWITCH
IS
LOCATED
OFF
THE
ENGINE'S
OIL
GALLERY.
THIS
SWITCH
MONITORS
THE
ENGINE'S
OIL
PRESSURE.
SHOULD
THE
ENGINE'S
OIL
PRESSURE
FALL
TO
10-5
psi
(0.7-
0.4
kg/em'),
THE
SWITCH
WLL(OPEIN:
'SOUND-
ING
THE
ALARM.
IN
THIS
EVENT,
THE
ALARM
WILL
EMIT
A
PIJl.SATJNG
SIGNAL.
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