ZIL-5301 vehicles are equipped with a combined pneumatic-hydraulic brake drive with two independent hydraulic and pneumatic circuits, divided into two circuits
AMO ZIL buses are equipped with a combined pneumatic-hydraulic brake drive with two independent hydraulic and pneumatic circuits and an ABS system.
At the request of customers, ABS is also installed on ZIL-5301 cars.
Fig.1. Diagram of the brake drive of the ZIL-5301 car: 1 - compressor; 2 - pneumatic drive pressure regulator; 3 - moisture-oil separator; 4-regeneration cylinder; 5, 8, 12, 23, 24, and 29 - control outlet valves; 6 - triple safety valve, 7 - compensation cylinder; 9 - single safety valve; 10 - parking brake system valve; 11 and 13 - air cylinders; 14 - spring energy accumulator for the parking brake system drive; 15 - quick release valve; 16 - pneumoelectric pressure drop sensors; 17 - two-pointer pressure gauge of the service brake system; 18 - taps for draining condensate from air cylinders; 21 - two-section valve of the service brake system; 22 - brake signal switches; 25 - bracket with hydraulic cylinders for the front axle brake; 26 - main brake cylinder of the front axle; 27 - front axle pneumatic chamber; 28-pneumatic drive brake force regulator; 30 - working hydraulic cylinders of the rear axle brake; 31 - pneumatic chamber of the rear axle wheels; 32 - master brake cylinder of the rear axle wheels; A - to consumers
Blue line—compressed air preparation circuit: yellow line—front axle brake drive circuit; green line - rear axle brake circuit; pink line - parking brake outline; red line - hydraulic drive of service brakes
Fig. 2. Diagram of the brake drive of a bus and ZIL-5301 cars with ABS: 1 - compressor2-pressure regulator of the pneumatic drive, 3 - moisture-oil separator, 4 - regeneration cylinder; 5, 15, 32, 33, 34,35,36,37,38,39 and 40 - control outlet valves, 6 - compensation cylinder, 7 - condensate spin taps; 8 - triple safety valve, 9 - single safety valve, 10 - parking brake system valve; 11 and 13 - air cylinders, 12 - pneumoelectric pressure drop sensors, 14 - spring energy accumulator for the parking brake system drive; 16 - two-pointer pressure gauge of the service brake system, 17 - two-section valve of the service brake system, 18 - brake signal switches, 19 - bracket with hydraulic cylinders of the front axle brake, 20 - main brake cylinder of the front axle, 21 - pneumatic chamber of the front axle, 22 - front axle modulator ; 23 - brake force regulator, 24 - modulator of the right wheel of the rear axle; 25 - modulator of the left wheel of the rear axle, 26 - pneumatic chamber of the right wheel of the rear axle; 27 - air chamber of the right wheel of the rear axle, 28 - master brake cylinder of the right wheel of the rear axle, 29 - master brake cylinder of the left wheel of the rear axle; 30 - working hydraulic cylinders of the rear axle brake, 31 - quick release valve; A - to consumers
