12. Electrical system
312
12.7 Warning devices
12.7.1 Oil pressure alarm
If the engine oil pressure is below 0.01-0.03 MPa
(0.1-0.3 kgf/cm
2
, 1.42-4.26 lb/in.
2
), with the main
switch in the ON position, the contacts of the oil
pressure switch are closed by a spring and the
lamp is illuminated through the lamp J oil
pressure switch J ground circuit system. If the oil
pressure is normal, the switch contacts are opened
by the lubricating oil pressure and the lamp
remains off.
Fuse
Oil pressure
Battery
Main switch
Alarm buzzer
Pilot lamp
Oil pressure switch
011075-00E
Cylinder block
OPTIONAL
Oil pressure
sender
Damper
Oil pressure switch
011076-00E
Oil pressure alarm circuit
Spring
Oil pressure
Contacts
011077-00E
Oil pressure switch
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