In Case Of Emergency; Starting Using Auxiliary Batteries - Volvo Penta D8 2020 Operator's Manual

In Case of Emergency

Despite regular service in accordance with the planned maintenance schedule and perfect operating conditions,
faults may occur that must be remedied before the boat can continue its trip. This chapter provides advice on how
to remedy a number of conceivable faults.
When certain faults occur safety functions engage to protect the engine. The following may occur:
• Engine cannot be started.
• The gear is in neutral and engine speed is limited
• The engine stops
If a fault occurs, confirm any fault alarm and take the necessary measures. Refer to this section and Fault Code
Register.
56
Starting Using Auxiliary
Batteries
WARNING!
Explosion hazard. Batteries contain and give off an
explosive gas which is highly flammable and explosive.
A short circuit, open flame or spark could cause a
violent explosion. Ventilate well.
WARNING!
Never confuse the positive and negative poles on the
batteries. Risk of arcing and explosion.
1 Check that the auxiliary battery has the same
voltage as the engine system voltage.
2 Connect the red positive cable to the plus (+)
terminal on the discharged battery and then to the
plus terminal on the auxiliary battery.
3 Connect the black start cable to the minus (–)
terminal on the auxiliary battery and to a place a
little distance away from the discharged battery,
e.g. the start motor's negative terminal.
WARNING!
The black jumper cable (–) must never come in contact
with the positive connection on the starter motor.
4 Start the engine and let it run at fast idle for
approximately 10 minutes to charge the batteries.
Make sure there is no extra equipment connected
to the electrical system.
WARNING!
Working with or approaching a running engine is a
safety risk. Watch out for rotating components and hot
surfaces.
WARNING!
Do not touch the connections during the start attempt:
Risk of arcing.
Do not bend over any of the batteries either.
5 Turn off the engine. Remove the start cables in the
exact opposite order to their connection.
47712598 09-2020 © AB VOLVO PENTA