33
Maintenance
Batteries, charging
WARNING!
Explosion risk! Hydrogen is given
off when batteries are charged. This forms an
explosive mixture with air. A short circuit, open
flame or spark could cause a violent explosion.
Ventilate well.
WARNING!
Battery electrolyte is highly corro-
sive. Protect your eyes, skin and clothes. Always
use protective goggles and gloves. If acid comes
into contact with your skin, wash at once with
soap and a lot of water. If you get battery acid in
your eyes, flush at once with a lot of cold water,
and get medical assistance at once.
Charge batteries if they have become discharged. If
the engine is not used for a longer period of time, the
batteries should be fully charged, then possibly trickle
charged (please refer to the battery manufacturer’s
recommendations). Batteries are damaged by being
left discharged, and can also freeze and burst easier
in cold weather.
IMPORTANT!
Observe the instruction manual
for the battery charger carefully. To avoid the risk
of electrochemical corrosion when an external
charger is connected, the battery cables should
be removed from the batteries before the char-
ger is connected.
During charging, unscrew the cell plugs but leave
them in the plug holes. Ventilate well, especially if the
batteries are charged in an enclosed space.
WARNING!
Always switch off the charge cur-
rent
before
undoing the charging clamps. Never
confuse the positive (+) and negative (-) poles
on the batteries. This can cause serious arcing
and can cause an explosion.
Special instructions apply to so-called
quick charg-
ing
. Quick charging can shorten battery life, and
should therefore be avoided.
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