Maintenance work on the carrier
7.17 Electrical system
25.11.2016
Maintenance manual 3 302 364 en 7 - 123
GMK 4100L-1
Before checking
• Switch off the battery master switch (1).
• Open the cover on the battery box.
Checking the acid concentration
Batteries without covers (1) are maintenance-
free.
• Remove all caps (1).
• Read off the cell value on the acid siphon (2)
and compare the value with that in the table;
à Charge level table, p. 7 - 122.
• Check all cells in the same way.
• 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
.