Pushing And Towing; Electrical System - Unimog U500 Mounting Manuallines

Body & implement
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Body and Implement Mounting Guidelines U500 North America
Caution:
Temperatures of 176°F / 80°C must not be ex-
ceeded for paint drying.

1.11.8 Pushing and towing

The directives in the Driver's Manual must be complied with when tow-
ing or tow-starting the vehicle.
Only tow-start the vehicle with the battery connected.
Caution:
If the instructions given in the Driver's Manual
are not observed, damage may be caused to the
drive train.

1.11.9 Electrical system

Never start the engine unless the battery terminals are firmly
connected.
Incorrect supply voltage polarity may destroy the control units.
Do not undo or disconnect the battery terminals while the engine
is running.
If the batteries are flat, the engine can be jump-started using
jump leads and the battery of another vehicle running on the
same voltage. Observe the Driver's Manual and the Maintenance
Manual. (12 V only)
Jump-starting with a rapid charger (over voltage) is not permit-
ted.
Only tow-start the vehicle with the battery connected.
Only charge the battery with a rapid charger if it has been dis-
connected from the vehicle's electrical system. The positive and
negative terminals of the battery must be disconnected. Observe
the Maintenance Manual.
Page 26 of
294
For information about the installation of additional electrical
components, see Section 7 Electrical system, page 221.
Cables routed near exhaust systems must be protected
against high temperatures.
Cables must not be routed near the exhaust manifold or
turbocharger.
Install the cables in such a way that there are no chafe or
shear points (in vehicle torsion and relative movement be-
tween vehicle and implement or body parts), particularly at
crossing points and sharp edges and use cable channels
or conduit if necessary.
Do not attach electric cables to brake lines.
Do not carry out measurements at connector contact
points using unsuitable media (test probes, wire ends,
etc.). This may lead to contact problems as a result of the
formation of contact resistance. Use suitable test leads.
The ground terminal of the welding unit must be connected
directly to the part to be welded and as close as possible
to the welding point.
General Information
August 2005

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