
The switch type VK 860B is designed to connect batteries to the vehicle ground and disconnect them
The design of the switch is shown in fig. 1.

An electric torch heater (EFU) is used to facilitate starting the engine at ambient temperatures below -5 ˚s to -25 ˚s.

The electrical diagram of the starting heater is shown in fig. 1
When the switch handle 8 is turned to position 1, the electric motor 5 of the pumping unit and the fuel solenoid valve 3 are switched on

The system includes direction indicators, brake signals, identification mark of the road train and equipment for their activation