Maintenance work on the carrier
7.17 Electrical system
25.11.2016
Maintenance manual 3 302 364 en 7 - 121
GMK 4100L-1
Checking the connecting terminals
• Keep the batteries clean and dry.
• Remove 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 caps (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 bolt on all covers (1).
After checking
• Close the cover on the battery box.
• Switch the battery master switch (1) on.
• Check the timers on the tachograph and the
auxiliary heater;
à Operating Instructions.
• Enter the code for the radio; à Separate
engine operating instructions, provided by the
manufacturer
.