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Starting with jump wires
4.2 Starting with jump wires
Caution
!
When using external starting aid two external bat-
teries (24 V system) are required, one for each on-
board battery.
A wrong connection will cause severe damage in
the electric system.
Fig. 15
First connect the plus poles with the jump lead.
l
Then connect the ground cable first to the minus
l
pole of the current supplying auxiliary battery and
then to engine or chassis ground, as far away from
the battery as possible(Fig. 15).
Start as described under "Starting the engine".
l
Once the engine is running switch on a powerful
l
consumer (working light, etc.).
Caution
!
If no powerful consumer is switched on voltage
peaks may occur when separating the connecting
cables between the batteries, which could dam-
age electrical components.
After starting disconnect the negative poles (ground
l
cable) first and the positive poles after.
Switch off the consumer.
l
008 916 85
4.3 Main battery switch
Fig. 16
No. 1 = Main battery switch
Position "I"
= Normal position, operation
Position "II"
= Separates batteries from the on-
Caution
!
In events of emergency do not use the main bat-
tery switch to shut down the engine. This will re-
sult in damage to engine and electronic engine
control units.
The main battery switch must only be pulled out at
the earliest 40 seconds after switching off the ig-
nition.
BOMAG
board electrics in case of cable fire
and fire in the engine compart-
ment as well as protection against
unauthorized use.
4.2
47
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