BA 35203_04 * 3.0 * 35203_04_04_Inbetriebnahme_04.fm 4-59
Putting into operation 4
Jump-starting the engine
Safety instructions regarding external starting aids
Damage to electrical system due to short circuit when starting the
machine with an external starting aid.
► Ensure that there is no contact among the vehicles.
► Do not jump-start the machine if the battery is malfunctioning or frozen.
► Do not connect two batteries in series.
► Use only batteries with the same voltage for jump-starting.
► Use only tested and certified battery jumper cables with insulated
terminal clamps and a sufficient cable cross-section.
► Route the battery jumper cables so that they cannot catch on rotating
engine parts.
Perform the starting aid as follows:
1. Drive the jump-starting vehicle close enough to the machine so that the
battery jumper cables can reach to connect the two batteries.
2. Let the engine of the jump-starting vehicle run.
3. First connect one end of the red cable to the + terminal of the empty
battery, then connect the other end to the + terminal of the starting
battery.
4. Connect one end of the black cable to the – terminal of the starting
battery, then the other end (–) to a metal component firmly screwed on
the engine block or to the engine block itself.
➥ Do not connect it to the negative terminal of the empty battery, as
otherwise explosive gas possibly emerging from the battery can
ignite if sparks are formed!
5. Start the engine of the machine with the empty battery.
Once the engine has started:
1. With the engine running, disconnect both battery jumper cables in the
reverse order (first the – terminal, then the + terminal).
➥ This prevents sparking at the battery terminals!
Fig. 99
Empty
battery
Starting
battery
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