your mechanic on Instagram: "Air Brake System (Drum Type) – Explanation This diagram shows a heavy-vehicle air brake system commonly used in trucks and buses. It uses compressed air to apply and release brakes safely and powerfully. 🔧 Main Components & Functions 1. Brake Chamber ..Converts compressed air pressure into mechanical force. ..Pushes the pushrod outward when brakes are applied. 2. Push Rod ..Transfers force from the brake chamber to the slack adjuster. 3. Slack Adjuster ..Maintains c