The system is intended for maintenance of speed of the car and consists of the vacuum drive connected to a butterfly valve, switches on pedals of coupling and a brake, pneumoswitches, relay and vacuum hoses. Service of system is carried out in car service except for the following checks: 
  – check of a condition of wires and connections of system;    – check of a safety lock;    – check of a condition of vacuum hoses, pneumoswitches and vacuum connections.   |