Komatsu PW160-7H Operation & Maintenance Manual page 79

OPERATION
4. ENGINE WATER TEMPERATURE MONITOR
If this monitor (4) lights up white in low temperatures, carry out the
warming-up operation.
For details, see "WARMING UP OPERATION (161)".
Continue the warming-up operation until monitor (4) changes to
green.
5. HYDRAULIC OIL TEMPERATURE MONITOR
If this monitor (5) lights up white in low temperatures, carry out the
warming-up operation.
For details, see "WARMING UP OPERATION (161)".
6. OVERLOAD CAUTION (When lifting)
This monitor warns that the machine is close to tipping due to the
load (an audible warning is also given), if the warning is given
lower the load.Refer the lifting capacity chart for safe load.
7. ENGINE OIL LEVEL LOW
When monitor (7) lights up, the engine oil level is insufficient. Stop
machine immediately and refill to recommended levels
PW160-7H VEAM390100
EXPLANATION OF COMPONENTS
79