Maintenance
45
Electrical system
The engine is equipped with a 2-pole electric system and with an alternator. System voltage is 24V.
WARNING! Before performing service on the electric system the engine should be stopped and the power
disconnected at the main switch. All connections to battery chargers or other equipment must be
disconnected.
Main switch
The main switch must never be switched off before
the engine has been stopped. If the circuit between
the generator and the battery is broken while the engi-
ne is running the generator and the electronics can be
damaged. For the same reason reconnection of the
charging circuits must never be carried out while the
engine is running.
IMPORTANT! Never switch off the power with
the main switch while the engine is running.
Fuses
The engine is equipped with a 10A fuse that shuts off
the power in case of an overload in the electrical sys-
tem.
The fuse is placed adjacent to the engine control unit
on the engine’s left side.
Note: The engine will stop if the fuse (+) blows out.
If the fuse blows out often an authorized Volvo Penta
repair facility should be contacted to investigate the
cause of the overload.
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