Electrical system
Important information on the
electrical system
3. For starting with auxiliary battery, see instruc-
tions of page 71.
A
4. Electric cables
IMPORTANT! Stop the engine and switch off the
current with the main switch before working on
Never make holes in the cable insulation to conduct
measurements. In a corrosive environment such as
in a boat it takes approx. 2 years for thin cables to
oxidise off via the hole.
the electrical system.
1.
Main switch
Never break the current circuit between the altern-
ator and battery when the engine is running. The
main switch must never be switched off before the
engine has stopped. If the current is broken while
the engine is running the voltage regulator can be
destroyed and the alternator seriously damaged.
If a hole must be made in the insulation, it should
be sealed with an appropriate glue afterwards.
5.
Connection of extra equipment
For the same reason the charging circuits must not
be switched over when the engine is running. For
simultaneous charging of two separate battery cir-
cuits it is possible to fit a Volvo Penta charging dis-
tributor to the standard alternator (accessory).
All extra equipment should be connected to a sepa-
rate terminal box and be fused. Extra power points
directly from instrument panels should be avoided.
Permissible extra outlets are a total of max. 5A
(for all instrument panels together).
2.
Batteries
Never switch the batteries plus and minus poles
when fitting the batteries. This can result in serious
damage to the electrical equipments. Compare with
the wiring diagram. The battery poles should be
well cleaned and the lead lugs always tight and
well greased to ensure good contact.
Quick charging of batteries should be avoided. If
quick charging must be used, then both battery
leads should always be removed first.
NOTE! Follow the relevant safety instructions when
charging batteries. During charging the cell plugs
should be unscrewed but remain in the plug holes.
Ventilate well, especially if the batteries are
charged in a closed room. Always switch off the
charging current before the charge clamps are re-
leased.
WARNING! The battery compartment must
never be exposed to a naked flame or electrical
sparks. Never smoke in the vicinity of batteries.
Hydrogen gas develops during charging which
when mixed with air forms
gas.
This gas is highly inflammable and very explos-
ive.
Always use protective goggles when charging
and handing batteries.
The battery electrolyte contains strongly corros-
ive sulphuric acid. In the event of skin contact,
wash with soap and plenty of water. If battery
acid gets in your eyes, rinse immediately with
plenty of water and contact a doctor immediately.
70
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD2010, Volvo Penta MD2020, Volvo Penta MD2030, Volvo Penta MD2040 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.25 out of 5)
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