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EXPLANATION OF COMPONENTS
MAINTENANCE TIME CAUTION LAMP
Maintenance time caution lamp displays notices and alarms
concerning maintenance time.
This lamp lights up when the starting switch is turned to ON po-
sition. It goes out after 30 seconds and the display changes to
the standard screen.
•
When lamp lights up in red
The maintenance due time is over.
If no action is taken, the machine performance will become
worse and the machine life will be shortened. Perform nec-
essary maintenance as soon as possible.
•
When lamp lights up in yellow
The maintenance due time is approaching.
Prepare necessary parts for the maintenance.
REMARK
•
To check the items that need maintenance, see the "Maintenance" menu screen.
•
On the standard screen, when the menu switch is pressed while the lamp is lit, the screen changes directly
to the "Maintenance" menu screen.
•
For operations on the "Maintenance" menu screen, see "MAINTENANCE SCREEN SETTING (3-75)".
•
By default, the maintenance time caution lamp (yellow) is set to light up when the remaining time reaches
30 hours. However, you can change this setting. To change the setting, ask your Komatsu distributor.
CENTRALIZED WARNING LAMP
The centralized warning lamp lights up in red and at the same
time the alarm buzzer sounds intermittently when the machine
is in any of the following conditions.
Machine conditions under which centralized warn-
ing lamp lights up
When action level L02, L03, or L04 is displayed on
the machine monitor.
When the engine overrun caution lamp is lit.
When the brake oil pressure is below the specified
value while the engine is running.
3-30
Other monitor displays
The brake oil pressure caution lamp lights
up.
OPERATION
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