Volvo Penta D3 Operator's Manual page 100

Maintenance
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Electrical System
The engine is equipped with a 1-pole electrical system
and an alternator. System voltage is 12V.
WARNING!
Always stop the engine and break the current using the
main switches before working on the electrical system.
Isolate shore current to the engine block heater, bat-
tery charger or accessories mounted on the engine.
Fuses
The engine is equipped with a strip fuse (1) and a semi-
automatic circuit breaker (2). Engines fitted with a drive
has an automatic circuit breaker for the Power Trim
engine (3).
The circuit breakers and fuse cut the power if the elec-
trical system becomes overloaded.
If it is not possible to start the engine or if the gauges
stop working during operations a circuit breaker or fuse
may have deployed. Reset the semi-automatic circuit
breakers by pressing the button.
IMPORTANT!
Always investigate the cause of the overload. If the
fuse trips frequently, contact an authorized Volvo
Penta workshop.
Electronic Steering System
Engines fitted with a drive wtih electronic steering are
equipped with a circuit breaker for the SCU (Steering
Control Unit). The circuit breaker is located near the
battery or the engine's main battery switch.
The circuit breaker cuts the power if the electrical sys-
tem for the SCU is overloaded.
IMPORTANT!
Always investigate the cause of the overload. If the
fuse trips frequently, contact an authorized Volvo
Penta workshop.
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