Maintenance work on the carrier
7.16 Electrical system
16.08.2018
Maintenance manual 3 302 577 en 7 - 109
GMK7450
Checking the connecting terminals
• Keep the batteries clean and dry.
• Release any dirty connecting terminals (1)
and clean them.
• Fasten any loose connecting terminals.
• Grease the connecting terminals and poles
lightly with a special battery terminal
grease.
Checking the acid level
Batteries without covers (1) are maintenance-
free.
• Remove all covers (1).
The acid level must be above the plates.
If the acid level is too low
• Top it up using only distilled water until the
plates are covered.
• Tightly screw on all covers (1).
After checking
• Close the cover (2) on the battery box.
• Attach the selector handle and switch on the
battery master switch (1).
• Check the timers on the tachograph and the
auxiliary heater;
à Operating manual.
• Enter the code for the radio; à Separate
operating manual
.