Mercedes-Benz Actros 2017, Operating Instructions Manual

Page: 366 / 436

Example: batteries on the side on the chassis, one
beside the other
Example: batteries on the side on the chassis, one
above the other
Disconnecting and connecting the bat-
teries
G
WARNING
During the charging process, a battery produ-
ces hydrogen gas. If a short circuit occurs or
sparks are created, the hydrogen gas can
ignite. There is a risk of an explosion.
R
Make sure that the positive terminal of a
connected battery does not come into con-
tact with vehicle parts.
R
Never place metal objects or tools on a bat-
tery.
R
It is important that you observe the descri-
bed order of the battery terminals when
connecting and disconnecting a battery.
R
When jump-starting, make sure that the
battery poles with identical polarity are
connected.
R
It is particularly important to observe the
described order when connecting and dis-
connecting the jump leads.
R
Never connect or disconnect the battery
terminals while the engine is running.
! On vehicles with a battery sensor, the neg-
ative terminal clamp forms part of the battery
sensor. Tighten the negative terminal clamp
on the battery pole to a torque of 7 Nm
± 1 Nm. Otherwise, contact is not ensured
and you may damage the terminal clamp, the
battery pole or the battery sensor.
Observe the safety notes on handling batteries.
Before disconnecting and connecting the bat-
teries:
X
Semitrailer tractor vehicle with batteries at
the rear area: detach the semitrailer
(
Y
page 324).
X Remove the key from the ignition lock.
X
Switch off all electrical consumers.
Disconnecting
X
Remove the battery compartment cover.
X
Disconnect the negative terminal clamp first,
and then disconnect the positive terminal
clamp.
Connecting
X Connect the positive terminal clamp first, and
then connect the negative terminal clamp.
Do not interchange the battery terminals.
X Replace the battery compartment cover.
Carry out the following tasks after an interrup-
tion to the power supply or after reconnecting
the batteries:
X
Reset the side window (
Y
page 68) and the
sliding sunroof (
Y
page 70).
X Deactivate anti-theft protection on the audio
equipment (radio) (
Y
page 215).
X
Set the local time on the tachograph.
X
Set the switch-on time for the auxiliary heat-
ing system (
Y
page 125).
364
Maintenance
Maintenance and care