Komatsu PC450-8 Operation & Maintenance Manual page 83

OPERATION
Engine Oil Level Monitor
Monitor (2) warns the operator that the oil level in the engine oil
pan has dropped.
If oil level in the engine oil pan is low, the lamp lights up red, so
check the oil level, and add oil.
Maintenance Interval Monitor
This monitor (3) lights up when the maintenance time gets
close and remains lighted after the maintenance time has
already passed.
q
Lighted yellow: The maintenance time is due within 30
hours.
q
Lighted red: The maintenance time has already passed.
This monitor lights up when the starting switch is turned to the
ON position. It goes off after 30 seconds and the display
changes to the normal screen.
REMARK
For details of the method of confirming the maintenance inter-
val, see "Maintenance Selector Switch (3-39)".
If it is desired to change settings for the maintenance interval,
have your Komatsu distributor change the settings.
DETAILED CONTROLS AND GAUGES
3-17