Komatsu PC400LC-5 Operation & Maintenance Manual page 54

11. EXPLANATION OF COMPONENTS
The overheat prevention system is actuated until the tempera-
ture enters the green range.
When red range @ lights, if the engine water temperature is
reduced and the fuel control dial is turned to the low idling position,
the display will be canceled.
2.
FUEL GAUGE
This gauge indicates the
If the fuel level is normal
light up.
amount of fuel in the fuel tank.
during operation, the green range will
If only the red range lights up during operation, there is less than
59 liters (15.6 US gal, 13 UK gal) of fuel remaining in the tank, so
check and add fuel.
After the starting switch is turned ON, the correct level may not
be displayed for a moment, but this does not indicate any abnormal-
ity.
When stopping the engine, turn the starting switch ON and check
that the monitor lamps on items A, B, C and D and the meters light
up.
3. ENGINE PRE-HEATING MONITOR
This monitor lamp indicates the pre-heating time required when
starting the engine at an ambient temperature below 0°C.
The monitor lamp lights when the starting switch is turned to
HEAT position and flashes after about 30 seconds to show that the
pre-heating is completed. (The monitor lamp will go off after about
10 seconds.)
4.
SWING LOCK LAMP
This informs the operator that the swing lock is being actuated.
Actuated: Lights up
When the swing lock switch is turned ON (ACTUATED), the
monitor lamp lights up.
When the swing lock override switch is turned on, this monitor
lamp flashes.
REMARK
A disc brake is installed in the swing motor to mechanically stop
motor rotation.
The brake is always applied while the swing lock is actuated.
ReP#
Green
I
AD096990
AD096960
6
8
AD096970
2-10