Komatsu PC110R-1 Operation & Maintenance Manual page 70

INSTRUMENTS AND CONTROLS
1 - ENGINE ACOUSTIC ALARM
The acoustic alarm is operated when the circuits are energized
with the ignition key (rotation to position «I») and is automatically
disconnected after the automatic check on the warning lights.
The sounding of the alarm during operation signals:
• insufficient engine oil pressure;
• overheating of the engine cooling circuit;
• faulty alternator or worn belt.
2 - OVERHEAD LAMP
It is used to check the instruments and the inside of the cab when
visibility is poor.
To turn it on, press the switch to position ON.
3 - ELECTRIC OUTLET
An electric outlet is positioned on the front part of the machine for
the connection of a lighting device for routine and maintenance
operations.
It is a two-pole outlet and is in compliance with the ISO 4165-
1979 standard.
Power supply 12 V.
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RWA07200
RWA07240
RWA07250