OPERATING THE MACHINE
3-11
ASSISTED STARTING (JUMP-
STARTING)
BEFORE JUMP-STARTING
Switch off all electrical consumers in receiving
machine (with discharged battery) and turn ignition
key to position “0”.
Switch off all consumers in supplying machine
(booster battery) and shut off engine.
The charge of the batteries supplying electric power
should not be lower than the charge of the flat bat-
teries.
S CAUTION S
Keep any potential ignition sources, such as
unshielded lights or burning cigarettes, away from
the batteries. Battery gases are readily flammable.
A high current flows on connection of the earthing
cable. Sparks occurring at the contact point may
ignite gases at the discharged battery.
The ground clamp should therefore be connected
as far as possible from the discharged battery.
Never lean over the batteries when jump-starting a
vehicle. Wear goggles.
Never use assisted starting when the batteries are
defective or frozen.
Never connect batteries (battery sets) unless they
have the same voltage.
Use only tested jumper cables with insulated termi-
nal clips and an adequate lead diameter.
Ensure that the bodies of the supplying and receiv-
ing machines are not in contact. Otherwise a cur-
rent flow might result from connecting the positive
poles. Risk of short-circuiting.
Never use jumper cables with overvoltage, e.g. two
or three batteries or booster units connected in
series and generating voltages in excess of 12 V.
Never use welding generators or welding trans-
formers as a source of current.
Position jumper cables in such a way that they can-
not be caught by rotating engine components.
9
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