Battery Charging - Volvo Penta D7A T Operator's Manual

Maintenance: Electrical system
64

Battery charging

WARNING! Risk for explosion. Charging
generates hydrogen gas (oxyhydrogen gas). A
short circuit, naked flame or spark can cause a
powerful explosion. Ventilate well.
WARNING! Battery electrolyte is extremely
corrosive. Protect eyes, skin and clothes.
Always use protective goggles and gloves. In
case of splashes on the skin, wash with soap
and plenty of water. In case of splashes in the
eyes, rinse immediately with plenty of water and
call a doctor.
Charge the batteries if they have been discharged.
The batteries will be harmed if left discharged and
can also freeze and crack in cold weather.
IMPORTANT! Follow the battery charger user
instructions carefully. Disconnect the battery
cables before connecting the battery charger to
avoid electrochemical corrosion when using an
external battery charger.
The battery plugs must be unscrewed but left in the
holes while charging is in progress. Ventilate well, es-
pecially if batteries are being charged in confined
spaces.
WARNING! Always cut the charging current
before disconnecting the charger cables. Never
reverse the polarity of the battery. Risk of sparks
and explosion.
Special directions apply for rapid charging. Rapid
charging can impair the service life of the batteries
and should be avoided.