Komatsu D31EX-21, Operation & Maintenance Manual, Page: 59 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-7
EMERGENCY CAUTION ITEMS 3
CAUTION
If any of the caution lamps begins to flash, stop the engine or reduce the engine speed to low idling imme-
diately and check the trouble spot for necessary actions.
These items must be monitored when the engine is running. If there is any abnormality, the caution lamp for the
location of the abnormality and warning lamp (A) flash, and the alarm buzzer sounds intermittently. Take the nec-
essary action immediately.
ENGINE OIL PRESSURE CAUTION LAMP
This lamp (1) indicates a low engine oil pressure.
If the monitor lamp flashes, stop the engine and check it imme-
diately.
REMARK
The alarm buzzer sounds, when the starting switch is turned to
ON immediately after the engine oil has been changed. It does
not indicate an abnormality.
(1) Engine oil pressure caution lamp (4) Charge filter clogging caution lamp
(2) Engine coolant temperature caution lamp (5) HST charge pressure caution lamp
(3) HST oil temperature caution lamp