Electrical System
The engine is equipped with a 2-pole electrical system
and an alternator.
WARNING!
Always stop the engine and break the current using the
main switches before working on the engine.
IMPORTANT:
Contact a Volvo Penta dealer for information if any arc
welding will be performed on the application.
Arc welding can cause damage to the engine and the
electronics.
Main switch
IMPORTANT:
Never disconnect the current using the main switches
when the engine is running or by disconnecting the
battery cables.
The alternator and electronics could be damaged.
The main switches must never be switched off before
the engine has stopped. If the circuit between the
alternator and the battery is disconnected when the
engine is running, the alternator and electronics may
be damaged. For the same reason, the charging
circuits must never be re-connected with the engine
running.
Fuses
The engine is equipped with two fuses which cuts the
current if overloaded. There is one is for the engine
(15 A) and one for the ETAS system (25 A).
The engine stops if the fuse trips. If the fuse trips
frequently, Volvo Penta recommends that a qualified
workshop should be contacted to investigate the cause
of the overload.
Refer to Maintenance, page 56 for location of the
fuses.
Electrical Connections
Check that electrical connections are dry, free from
oxide, and that they are securely tightened.
Maintenance
47710925 01-2019 © AB VOLVO PENTA 79
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