Komatsu PC450-8 Operation & Maintenance Manual page 89

OPERATION
Fuel Gauge
This meter (12) shows the amount of fuel remaining in the fuel
tank.
During normal operations, the indicator should be in the green
range.
If the indicator starts to enter red range (A) during operation,
there is less than 110 liters of fuel remaining, so carry out
inspection and add fuel.
q
(A) - (B): Indicates red range
q
(A) - (C): Indicates green range
REMARK
When the indicator reaches red range (B), there is less than 80
liters of fuel remaining.
When the indicator is in the red range (B), fuel level monitor (D)
lights up red.
The correct fuel level may not be displayed for a short time when the starting switch is turned ON, but this is not an
abnormality.
Service Meter, Clock
This meter (13) shows the total hours of operation of the
machine or the present time.
When the engine is running, the service meter advances even
if the machine is not moving. The service meter advances 1 for
every hour that the machine is working, regardless of the
engine speed.
DETAILED CONTROLS AND GAUGES
3-23