Komatsu PW160-7H, Operation & Maintenance Manual

Page: 87 / 346

OPERATION EXPLANATION OF COMPONENTS
PW160-7H VEAM390100 87
8. FUEL GAUGE
This meter (8) displays the level of fuel in the fuel tank.
During operations, the indicator should be in the black range.
If the indicator enters red range (A) during operations, there are
less than 100 litres of fuel remaining in the tank, so check and add
fuel.
REMARK
If the indicator enters red range (B), there are less than 41
litres of fuel remaining.
When the indicator is in the red range (A) to (B), fuel level monitor
(1) lights up red. When indicator is between A and C the fuel level
monitor (1) remains green.
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.
9. HYDRAULIC OIL TEMPERATURE GAUGE
This meter (9) displays the hydraulic oil temperature.
During operations, the indicator should be in the black range.
If the indicator enters red range (A) during operations, the hydrau-
lic oil temperature has gone above 102°C. Stop the engine or run
it at low idle and wait for the hydraulic oil temperature to go down.
REMARK
When the indicator is in the red range (A) to (B), the hydraulic
oil temperature is as follows.
Red range position (A): More than 102°C.
Red range position (B): More than 105°C.
When the indicator is in the red range (A) to (B), hydraulic oil tem-
perature monitor (1) lights up red. When indicator is between A
and C the hydraulic oil temperature monitor (1) remains green.
If the indicator is at position (C) when the engine is started, the
hydraulic oil temperature is more than 25°C, and hydraulic oil
temperature monitor (1) lights up white. In this case, carry out the
warming-up operation.
For details, see "WARMING UP OPERATION (161)".
REMARK
If other warnings are displayed, only monitor (1) is displayed
and not the range indicator.
Red range
Black range
A-B:
A-C:
C
A
1
B
Red range: A-B
Black range: A-C
B A
C
1