Rem Blong, Ternyata Ini Biang Keroknya

Summary

This video script delves into the fearsome issue of brakes failing in vehicles, particularly focusing on hydraulic brake systems. It explains how hydraulic brakes use fluid to transfer pressure from the brake lever to the caliper, which then squeezes the brake discs. The script discusses the common problem of air entering the hydraulic system, known as 'brake wind', which can occur when the motorcycle's position is not always level, especially during turns. This can lead to air bubbles forming in the brake fluid, reducing the effectiveness of the brakes as the pressure is used to compress the air instead of pushing the brake caliper's pistons. The video aims to explore what happens when this issue arises and its impact on the braking system.

Takeaways

• 😨 Fear of Brake Failure: The script discusses the fear of brake failure when driving, specifically the sudden loss of brake function.
• 🔍 Investigating Brake Systems: The video aims to explore what happens in the braking system that causes the brakes to fail.
• 💧 Hydraulic Brakes: The script focuses on hydraulic brakes, which use brake fluid to transmit pressure from the brake lever to the caliper.
• 🔑 Fluid Properties: Brake fluid is a liquid that can conform to the shape of its container and becomes solid when compressed, unlike air which is elastic and reduces in volume under pressure.
• 🚫 Air in Hydraulic Systems: The presence of air in the hydraulic brake system, known as 'brake wind', can disrupt the hydraulic pressure transfer.
• 👀 Reservoir Function: The reservoir in the brake system stores brake fluid and has a level indicator to show fluid levels without opening the reservoir.
• 🔄 Fluid Movement: When the motorcycle is not level, especially during turns, the oil surface shifts, potentially exposing the reservoir to air and allowing air bubbles to enter.
• 💨 Air Bubbles: Small air bubbles can enter the system, and if this happens frequently, they can accumulate and affect the brake performance.
• 📉 Pressure Reduction: The elastic nature of air causes it to compress under pressure, reducing its volume and preventing it from transferring hydraulic pressure effectively.
• 🛑 Brake Inefficiency: When air bubbles are present, the pressure intended to push the brake fluid to the caliper is instead used to compress the air, leading to ineffective braking.
• 🛠️ Maintenance Tips: The script implies the importance of regular maintenance and checking of the brake fluid level to prevent air from entering the hydraulic system.

Q & A

What is the main concern addressed in the video script?

The main concern addressed in the video script is the sudden failure of a vehicle's braking system, specifically when the brakes become soft due to air entering the hydraulic brake system.

What type of brake system is discussed in the script?

The script discusses the hydraulic brake system, which uses fluid or brake fluid to transfer pressure from the brake pedal to the brake calipers.

How does the hydraulic brake system work in general?

In a hydraulic brake system, the pressure from the brake pedal is transferred to the brake calipers through fluid, causing the calipers to squeeze the brake discs and slow down the vehicle.

What is the role of the brake fluid in the hydraulic brake system?

The brake fluid serves as a medium to transfer pressure from the brake pedal to the brake calipers, ensuring the effective operation of the brakes.

Why is air considered a problem in the hydraulic brake system?

Air is considered a problem because it is elastic and compressible, which can reduce the effectiveness of the hydraulic pressure needed to operate the brakes properly.

What is the term used to describe the condition when air enters the hydraulic brake system?

The condition when air enters the hydraulic brake system is commonly referred to as 'brake air intrusion' or 'air in the brakes'.

How can air enter the hydraulic brake system?

Air can enter the hydraulic brake system when the reservoir's air vent is exposed to the atmosphere due to the motorcycle's inclined position and insufficient brake fluid level.

What is the function of the reservoir in the hydraulic brake system?

The reservoir in the hydraulic brake system serves to store the brake fluid and also has a level indicator to show the remaining amount of brake fluid without needing to open the reservoir.

What happens when air bubbles accumulate in the hydraulic brake system?

When air bubbles accumulate, they reduce the hydraulic pressure's effectiveness, as the pressure is used to compress the air bubbles instead of being transferred to the brake calipers.

What is the effect of air bubbles on the braking performance?

The presence of air bubbles can cause the brakes to feel soft and reduce their effectiveness, as the hydraulic pressure is compromised by the compressible air.

How can one check the brake fluid level in the reservoir?

One can check the brake fluid level in the reservoir through a level indicator, which shows whether the brake fluid is sufficient or needs to be refilled.