Jump Lead - Mercedes-Benz Unimog Operating Instructions Manual

Jump-starting, tow-starting and towing away
332
If the batteries are discharged, jump-start the
vehicle by connecting to another vehicle.
X
Before jump-starting, disconnect any
mobile communications systems, such as a
telephone, 2-way radio, fax machine, from
the electrical system.
X
Make sure that the vehicles are not touch-
ing.
X
Apply the parking brake.
X
Switch off all electrical consumers.
X
Turn the key to position 0 in the ignition
lock.
Jump-starting with jump leads
X
To connect the jump leads: remove the
battery compartment cover (
X
Remove positive terminal clamp cap ;
and negative terminal clamp cap :.
X
First, connect the positive terminal clamp
of the jump lead to the positive terminal of
the other vehicle's battery and then to the
q positive terminal of the starter battery.
X
First, connect the negative terminal clamp
of the jump lead to the negative terminal of
the other vehicle's battery and then to the
± negative terminal of the starter battery.
X
Assisting vehicle: run the engine at a high
speed.
X
Start the engine and allow it to idle.
X
To disconnect the jump leads: first, dis-
connect the negative terminal clamps of
the jump leads from the negative terminals.
X
Disconnect the positive terminal clamp of
the jumps lead from the positive terminals.
X
Attach positive terminal clamp cap ; and
negative terminal clamp cap :.
X
Fit the battery compartment cover
Y
(
Jump-starting using the jump-starting
socket
G
If you jump-start a vehicle that requires too
much current, the socket may become over-
loaded. There is a risk of fire in the electrical
system.
Only jump-start vehicles of a similar vehicle
type, e.g. lorries with an equal or lower power
need. The vehicles must be equipped with a
24 V system or with two 12 V batteries con-
nected in a series.
G
If you insert the plug connector into the power
socket, sparks could be created. If you are in
the vicinity of highly flammable materials, e.g.
fuel, there is a risk of fire and explosion.
Do not insert the plug connector into the
Y page 307).
power socket if you are in the vicinity of highly
flammable materials.
X
Remove battery compartment cover =
( Y
X Donor vehicle and vehicle being jump-
started: turn the key back fully in the igni-
tion lock.
page 307).
Warning
Warning
page 307).