Figure 14.27. Brake booster valve: 1 - Brake pipes; 2 - Brake booster valve
Figure 14.28. Connecting the brake pipes to the brake booster valve: 1 - To the rear left wheel brake mechanism; 2 - To the rear right wheel brake mechanism; 3 - To the front right wheel brake mechanism; 4 - To the front left wheel brake mechanism; 5 - To the main brake cylinder (second piston); 6 - To the main brake cylinder (first piston)