Komatsu PC118MR-8 Operation And Maintenance Manual page 100

FUNCTIONING
INSTRUMENTS AND CONTROLS
(5) Overload alarm light
This warning light indicates that,during a lifting operation, the
machine could overturn due to excessive load.
Besides the warning light switching on, the alarm is sounded so
it is necessary to lower the load.
NOTE: This light is only active in work mode L.
For details on the correct lifting of loads, please refer to
"LIFTING OBJECTS WITH LIFTING DEVICE (OPTIONAL
EQUIPMENT) (2-47)" and "LIFTING OBJECTS WITH LIFTING
DEVICE (3-166)".
WARNING
The excavator used in handling operations must conform
with current local regulations and be equipped with safety
valve and an overload alarm in compliance with EN 474-5.
3-16
WEAM014802