Komatsu PC27R-8 Operation & Maintenance Manual page 68

INSTRUMENTS AND CONTROLS
1 - ENGINE ACOUSTIC ALARM
This alarm starts sounding when the circuits are energized with
the ignition key (rotation to position "I") and is automatically dis-
connected when the engine is started.
If the alarm sounds during the use of the machine, it indicates:
• Engine oil low pressure.
• Overheating of the engine cooling circuit.
• Faulty alternator or worn out belt.
2 - WINDSHIELD WIPER / WASHER SWITCH
(only on machines with cab)
With the first click it operates the windshield wiper, while with the
second click (with automatic return to the first) it operates the
windshield washer.
3 - OVERHEAD LAMP
(only on machines with cab)
It is used to check the instruments and the inside of the cab
when visibility is insufficient.
To turn it on, press the switch to position ON.
4 - ELECTRIC OUTLET
An electric outlet is positioned on the front part of the machine
for the connection of a lighting device for routine and mainte-
nance operations.
It is a two-pole outlet and is in compliance with the ISO 4165-
1979 standard.
Power supply 12V
66
RWA07200
RWA07230
RWA07240
RWA07250