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1-4-2 Engine indicators
4. Engine monitor
(1) Engine indicator
That indicates the numerical values of engine speed, engine oil pressure, run hours,
battery charging voltage, or engine coolant temperature.
Indicated Items Unit
engine speed min
-1
engine oil pressure ×100kPa
battery charging voltage V
engine coolant temperature ºC
1 - Engine Speed
• Revolutions per minute is indicated. 1500 min
-1
is indicated at 50Hz.
2 - Engine Oil Pressure
• 3.9 to 6.9 × 100 kPa should be indicated at normal engine operation.
• Higher value would be indicated in cold condition immediately after engine starts.
• Conduct a warning - up operation until it indicates normal value.
3 - Battery Charging Voltage
• That should indicate more than 12.5V (180ESEI : more than 26.0V) at engine running.
4 - Engine Coolant Temperature
• That should indicate a temperature between 75 to 95°C at engine running.
[ NOTE ]: If that would indicate higher temperature, disconnect all loads, decrease the
speed for cool - down operation, and wait until the temperature comes down
to normal value.
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