Maintenance work on the carrier
7.16 Electrical system
16.11.2018
Maintenance manual 3 302 756 en 7 - 115
GMK6400
Before checking
• Switch the battery master switch (1) off and
remove the selector handle.
• Open the cover (2) on the battery box.
Checking the acid concentration
Batteries without covers (1) are mainte-
nance-free.
• Remove all covers (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 - 114.
• Check all cells in the same way.
• Screw on all caps (1) tightly.
After checking
• Close the cover (2) on the battery box.
• Attach the selector handle and switch on the
battery master switch (1).
• Check the clocks on the tachographs and
auxiliary heater;
à Operating manual.
• Enter the code for the radio;
à Separate operating manual.