Maintenance 5
Safety instructions for maintenan
ce
Working on the electrical equipment
Work may only be performed on the electrical
equipment of the truck when it is in a voltage-
free state. Function checks, inspections
and adjustments on energised parts must
only be performed by trained and authorised
persons, taking the necessary precautions
into account. Rings, metal bracelets etc.
must be removed before working on electric
components.
To prevent damage to electronic systems
with electronic components, such as an
electronic driving regulator or lift control, these
components must be removed from the truck
prior to the start of electric welding.
Work on the electrical sys
tem (e.g. connecting
a radio, additional headl
ights etc.) is only
permitted with approval f
rom the authorised
service centre.
Working on the ignition
system
To prevent personal inj
ury and/or destruction
of the ignition system,
please observe the
following:
• Only connect and disconnect ignition
system lines, including high-voltage lines
and measuring device lines, with the ignition
switched off.
• If the engine is to be operated at starting
speed but not actually started (e.g. for a
compression pressure test), disconnect the
connection assembly from the ignition coil.
• Use of a quick charger
to jump start the
engine is only permit
tedforaperiodofupto
1 minute at max. 16.5 vol
ts.
• The engine may only be washed when the
ignition is switched off.
• When performing electric or point welding,
completely disconnect the battery.
• Trucks that have a fault in
the ignition
system, or a suspected fau
lt, may only be
towed if the plug is discon
nected from the
ignition coil.
174
749 EN - 03/2017 301
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