Vancity Magazine on Instagram: "Visit and follow @nnkequipment Behind the Stopping Power of an Alexander Dennis Double Decked Most people see a bus; we see the physics keeping it safe. Today we’re replacing a Type 30/30 brake chamber and a self-adjusting slack adjuster. The Chamber: The powerhouse that converts compressed air into the mechanical force needed to apply the brakes. The Slack Adjuster: The “brain” of the linkage. It compensates for brake lining wear, ensuring the pushrod stroke stay