Service and maintenance
94 Electrical system
Electrical system
Safety regulations
Work on the electrical system must only be performed by spe-
cially trained persons and by using specified tools and test-
ing equipment.
The engine must be shut down and the battery disconnected be-
fore attempting work in the electrical system of the machine.
If running of the engine and a connected battery is required for cer-
tain test procedures, special precautions must be taken to rule out
dangers for persons.
All electrical consumers must be switched off before installing or
removing the battery. For removal disconnect the ground cable
first, for installation connect the positive cable first.
Cables and plugs must be marked before disconnecting and secu-
red against contact with metal parts, e. g. by plugging on safety
caps or by insulating.
Faults in the electrical system, e. g. damaged insulation, must be
rectified immediately.
WARNING!
In the vicinity of the battery any sparking must be avoided!
No open fire! Do not smoke! No ignition! DANGER OF
EXPLOSION!
WARNING!
The battery electrolyte contains caustic sulphuric acid. If
this comes in contact with your skin rinse it off with soap
and lots of water. If acid has come in contact with your eyes
or other sensitive parts of your body rinse off with lots of
water and seek medical advice as quickly as possible.
M300091A
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