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202027 4-7
Towing information
EMERGENCY RESPONSE GUIDE
4.5 JUMP-STARTING
CAUTION: Starting the vehicle using
a starting aid with too high a voltage
can damage the electrical
components.
- Never jump-start the engine with
a fast charger.
- Never jump-start the vehicle
with a voltage higher than 29 V.
CAUTION:
- Do not disconnect the battery
cables while the engine is
running.
Disconnecting the battery cables
while the engine is running can
damage the electrical components.
Battery systems
The vehicle is equipped with a regular battery
system with a set of two 12 Volt batteries.
The engine may be started with the aid of starter
cables that use power from:
- separate auxiliary batteries (approximately
24 V), or
- another vehicle with a running engine
(approximately 29 V).
When this starting procedure is followed, the
battery cables must not be disconnected.
The battery box can be placed in various
positions: beside the chassis or on the chassis
behind the cabin or between the side members at
the rear of the chassis.
On some of these positions extra terminals are
fitted to facilitate connecting the starter cables.
Battery box without extra terminals
Remove the battery box cover and connect the
starter cable to the positive pole (+) first. Then
connect the starter cable to the negative pole (–).
To disconnect, release the negative pole (–) first,
then the positive pole (+) and install the cover.
When the batteries are fully discharged and the
engine is running, it is important that the starter
cables are not immediately disconnected. The
engine must run for at least 2 to 3 minutes before
the starter cables are disconnected to prevent
damage to the electrical system (peak voltage!).
Proceed as follows as soon as the engine starts
running:
- Switch on as many power consumers as
possible (for example: headlights, fog lamps,
heater fan, and so on).
- Remove the starter cables after the engine
has run for 2 to 3 minutes.
- Switch off the consumers.
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