Komatsu H70051 Series Operation & Maintenance Manual page 95

OPERATION
REMARK
• To check the items that need maintenance, see "Maintenance" menu screen.
• On the standard screen, when the menu switch is pressed while the caution lamp is lit, the screen changes
directly to "Maintenance" menu screen.
• For operations on "Maintenance" menu screen, see "MAINTENANCE SCREEN SETTING".
• 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 under the following condition.
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.
When starting switch is turned to ON position while
the directional lever and directional selector switch
are not in NEUTRAL position (N).
When all the signals from the directional lever and
directional selector switch are turned off.
When the directional lever and directional selector
switch are not in NEUTRAL position (N) while the
parking brake is applied.
When the speed range selector switch is operated
to the speed range of 1st or 2nd during the travel
at the speed range of 3rd or 4th.
When the directional change operation is per-
formed during the high speed travel at the speed
range of 3rd or 4th.
EXPLANATION OF COMPONENTS
Other monitor displays
The brake oil pressure caution lamp lights
up.
The current speed range flashes.
-
-
-
3-29