13.4. Check of reliability of grounding
Carry out an inspection of reliability of grounding to check reliability of connection of an element of electric equipment to the mass of the car.
1. Disconnect the accumulator and connect one of device wires for check of integrity of chains to the mass of the car.
2. Connect the second wire to connection or a point of grounding which is subject to check.
3. If the control bulb lights up, so grounding as it should be.