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
ENGINE OPERATING PANEL
The definitions below describe the controls and functions
of the Engine Operating Panel (Figure 5).
1. Tachometer — Indicates engine speed in RPM’s for 60
Hz operation. This meter should indicate 1800 RPM’s
when the rated load is applied. In addition a built in hour
meter will record the number of operational hours that
the generator has been in use.
2. — During normal operation this
gauge be should read between 28 to 85 psi. (193~586
kPa). When starting the generator the oil pressure may
read a little higher, but after the engine warms up the oil
pressure should return to the correct pressure range.
3. — During normal operation
this gauge be should read between 167° and 203°F
(75°~95°C).
4. Charging Ammeter Gauge — Indicates the current
being supplied by the engine’s alternator which
provides current for generator’s control circuits and
battery charging system.
5. Fuel Gauge — Indicates amount of diesel fuel available.
6. — There are three engine
warning lamps, they are defined as follows:
a. — This lamp goes 
when the cooling water temperature rises
abnormally. If the lamp goes  during
normal operation of the generator, the
emergency shutdown device will stop the
engine automatically.
b.     — During
normal operation of the generator this
lamp should remain . When the
switch is set
to the  position to start the engine, the
lamp will be lit. When the oil pressure rises after
start-up the lamp will go OFF. If this lamp is ever
lit () during normal operation of the generator,
the emergency shutdown device will stop the engine
automatically.
c. — When this lamp
is ON, it is time to stop the engine and
add fuel. Remember to let the engine cool
before adding fuel (DCA300SSC only).
d. Air Filter Alarm — When the air filter
element is clogged, this lamp goes 
indicating the element should be
immediately cleaned or replaced.
e.   — This lamp
goes  when the coolant level is low.
If this lamp goes  while the engine is
in operation, the emergency shutdown
device will automatically stop the engine.
7. Engine Speed Switch — This switch controls the
speed of the engine (low/high).
8. — When ECU is placed in 
position, pre-heat lamp will be . When pre-heat
cycle is completed, lamp will turn .
9. — Push this button inward to
stop the engine in the event of an emergency. 
use this button as a means of stopping the engine.
10. — This switch should be set to the 
position during normal operation. When the engine has
been stop, place this switch in the  position. 
 turn this switch during normal operation, it could
cause damage to the electrical equipment.
Figure 5. Engine Operating Panel
OFF
ON
OILPRESS.
FUELLEVEL
WATERTEMP.
1 2
3 4 5
6
9
AIRFILTER COOLANTLEVEL
7
8