Tips for Properly Adjusting Electric Trailer Drum Brakes for Optimal Performance

How to Adjust Electric Trailer Drum Brakes

When towing a trailer, ensuring that the braking system is functioning correctly is paramount for safety. Electric trailer drum brakes are commonly used in various types of trailers due to their reliability and effectiveness in stopping heavy loads. However, over time, these brakes may require adjustments to maintain their performance. This article will guide you through the steps to adjust electric trailer drum brakes.

Understanding Electric Drum Brakes

Before delving into the adjustment process, it is essential to understand how electric drum brakes work. These brakes utilize an electric current from the towing vehicle to energize a magnet that pulls brake shoes against the drum. The friction created slows down or stops the trailer. Proper adjustment ensures that the brakes engage optimally, promoting even wear and enhancing safety.

Tools You Will Need

To adjust electric trailer drum brakes, you will need several tools - A jack and jack stands - A lug wrench - A screwdriver or brake adjustment tool - A clean rag - Brake cleaner (optional) - A torque wrench (optional)

Step-by-Step Guide to Adjusting Electric Trailer Drum Brakes

1. Safety First

Before starting the adjustment, ensure your trailer is securely parked on a level surface. Engage the parking brake and consider using wheel chocks on the trailer wheels to prevent any unintended movement.

2. Lift the Trailer

Using a jack, lift the trailer to gain access to the wheels. Once elevated, secure the trailer with jack stands. Remove the wheels using a lug wrench, exposing the brakes.

3. Inspect the Brake Components

It is crucial to inspect the brake components for wear and tear. Look for any signs of damage or excessive wear on the brake shoes, drums, and other associated hardware. If any components seem damaged, consider replacing them before proceeding with adjustments.

4. Locate the Brake Adjustment Mechanism

Electric trailer drum brakes typically have a star wheel adjuster located at the bottom of the brake assembly. This mechanism allows you to adjust the spacing between the brake shoes and the drum.

5. Make the Adjustment

Using a screwdriver or specialized brake adjustment tool, turn the star wheel adjuster. Typically, turning the adjuster clockwise tightens the brake shoes against the drum, while turning it counterclockwise loosens them. The goal is to achieve a snug fit without causing excessive drag.

To check the adjustment, spin the drum by hand. If you feel resistance, it may be too tight. Adjust it gradually until the drum spins freely with slight resistance.

6. Reassemble and Torque the Wheels

Once you have made the necessary adjustments, reinstall the wheels and tighten the lug nuts by hand. Use a torque wrench to ensure they are torqued to the manufacturer's specifications. This step is crucial for safe operation while on the road.

7. Test the Brakes

Before hitting the road with the trailer, it is essential to test the brakes. Reconnect the trailer to the towing vehicle and perform a braking test in a safe location. Pay attention to the responsiveness of the brakes and ensure the system engages smoothly.

Conclusion

Adjusting electric trailer drum brakes is a vital maintenance task that enhances the safety and effectiveness of your trailer. Regular inspections and adjustments should be part of your trailer maintenance routine. By following these steps, you can ensure that your electric trailer brakes are functioning optimally, providing the necessary stopping power whether you are hauling cargo or traveling with a recreational trailer. Remember, when in doubt, consult a professional for assistance to guarantee your safety on the road.