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The brake shoe C70 is a device found in the brake drum of vehicles. It is utilized to generate friction and slow down the rotation of the brake drum, hence, stopping the vehicle. Normally, the brake shoe has a brake lining that is similar to a conventional brake pad. There are several types of brake shoe C70, including:
Asbestos Brake Shoes
These are traditional C70 brake shoes that utilized asbestos to manufacture the friction material. Asbestos was popular in the past due to its heat resistance and durability. Nonetheless, the use of asbestos has reduced drastically because of its harmful effects, such as causing lung cancer when inhaled.
Non-Asbestos Organic (NAO) Brake Shoes
These brake shoes are manufactured using natural fibers and resins. They are called ""non-asbestos organic (NAO) brake shoes"" and are a great alternative to conventional asbestos brake shoes. NAO brake shoes offer low noise levels and good performance. They are suitable for light-duty applications, such as passenger vehicles, and have a low cost of maintenance.
Metallic Brake Shoes
These shoes are manufactured using a mixture of steel fibers and other metals. They are characterized by high friction levels and durability. Unfortunately, they also have a high wear rate. They are mainly used in heavy-duty applications, such as trucks and buses that transport goods.
Semi-Metallic Brake Shoes
These are the most commonly used brake shoes in modern vehicles. They are manufactured using a combination of metallic and non-metallic materials. The composition of these brake shoes offers a good balance between durability, noise levels, and friction. They are suitable for a wide range of applications, such as light-duty and heavy-duty.
Ceramic Brake Shoes
These shoes are manufactured using ceramic materials and carbon. They provide superior performance, low noise, and minimal brake dust. This makes them ideal brake shoes for high-performance vehicles, such as sports cars and luxury cars. Unfortunately, they have a higher initial cost compared to other types of brake shoes.
Friction Materials
Besides the traditional brake shoes, modern vehicles may also use electric and regenerative brake shoes. Electric brake shoes are utilized in fully electric vehicles, while regenerative brake shoes are used in hybrid and electric vehicles. Regenerative brake shoes convert kinetic energy into electrical energy, hence, improving brake efficiency.
The specifications of brake shoes vary depending on the vehicle model. The C70 brake shoe is specifically designed for the Volvo C70 coupe and convertible models. This section provides general specifications for a C70 brake shoe and highlights maintenance tips.
Size
The brake shoe has a specific size and dimensions that match the Volvo C70 specifications. This includes length, width, and radius measurements.
Material
Generally, the brake shoe is made from steel or cast iron. These materials are durable and can withstand the friction and heat generated during braking.
Design
The brake shoe c70 is designed with a curved shape to match the brake drum's inner surface. The shoe has a friction material layer bonded or riveted to the shoe body.
Friction Material
The friction material is manufactured using organic, metallic, or ceramic materials. Each of these materials has its advantages and disadvantages. For instance, metallic materials offer high friction but can be noisy. Conversely, organic materials produce less noise.
Thickness
The thickness of the friction material is usually between 1 to 1.5 inches. A thicker material offers better stopping power but can wear out quickly. Conversely, a thinner material provides less stopping power.
Attachment Method
The brake shoes are attached to the brake assembly using bolts, clips, or pins. These attachment methods ensure the shoes are securely fitted to the brake assembly.
Adjustable
The C70 brake shoes are generally non-adjustable. This is because the shoes are pre-adjusted to fit the brake drum's specifications.
Weight
The C70 brake shoes are lightweight compared to other brake shoes. This is because the shoes are designed using lightweight materials. On average, the brake shoes weigh between 2 to 4 pounds.
Before using the C70 brake shoes, it is important to read the manufacturer's instructions. The instructions provide important information on usage, installation, and maintenance. Here's how to maintain brake shoe c70 properly.
Choosing the right C70 brake shoes for a motorcycle can significantly improve safety and performance. Here are some tips to follow when selecting C70 brake shoes:
Check the specifications:
To ensure that the brake shoes fit perfectly on the motorcycle, users should check the motorcycle's manual. The manual contains important information, such as the brake system type and the brake shoe size that the motorcycle requires. The brake shoe size is indicated by the width, length, and height measurements in millimeters.
Inspect the old brake shoes:
Users can inspect the old brake shoes if they are already removed from the motorcycle. The inspection will give important details about the wear patterns and the condition of the old shoes. Brake shoes with uneven wear patterns may require adjustments in the brake system. Users should take note of the differences and consult a mechanic to make the necessary adjustments.
Select quality:
Users should go for C70 brake shoes with high-quality materials. The brake shoes play an important role in the safety and performance of the motorcycle. Users should select reputable brands that are known to produce durable and reliable C70 brake shoes. Selecting quality C70 brake shoes reduces the risks of brake failure and increases the lifespan of the motorcycle.
Consider the riding style:
Users should select the brake shoes according to their riding style. Usually, heavy-duty brake shoes offer better performance and durability for high-speed riding and frequent braking. Commuters and casual riders can select standard brake shoes since they are affordable and meet normal braking needs.
Seek professional advice:
Before purchasing the brake shoes, users should consult a mechanic. The mechanic will help select the right type and brand of brake shoes that are compatible with the motorcycle. The mechanic will also inspect the brake system and make the necessary adjustments to ensure optimal braking performance.
Test the brakes:
After installing the new brake shoes, users should test the brakes before riding out. Proper brake shoe installation should provide a firm and responsive braking feel. If the response is different, users should recheck the installation or consult a mechanic.
Replacing brake shoe c70 is a simple process that can be done at home. To make the process easier, it is advisable to have the necessary tools before commencing the task. The tools needed include a jack, jack stands, lug wrench, socket and ratchet, brake spring tool, and brake shoe tool. With the tools in place, follow the steps below:
Step 1: Prepare the Vehicle
For safety, ensure the vehicle is on a level ground and the parking brake is engaged. After using the lug wrench to loosen the wheel lugs, use the jack to lift the vehicle off the ground. Place jack stands under the vehicle to provide extra support and stability.
Step 2: Remove the Wheel and Brake Components
Remove the wheel completely by unscrewing the lugs. Locate the brake components and remove the brake shield. Take note of how the components are assembled, as this will help during reassembly. Remove the brake hold-down springs and other fasteners that hold the brake shoes in place.
Step 3: Remove Old Brake Shoes and Install New Ones
Take out the old brake shoes by sliding them out. This is a good time to clean the brake assembly. Slide the new brake shoes into place and secure them with the hold-down springs and fasteners. Make sure the shoes and springs are properly aligned.
Step 4: Reassemble and Test
Reassemble the brake components and wheel. Lower the vehicle and remove the jack stands. With the brake shoe successfully replaced, carry out a test drive to ensure the new shoes are working properly. It is also important to check the brake adjustment and make necessary adjustments if required.
Q: Are there universal brake shoes for all vehicles?
A: No, there are no universal brake shoes. Vehicles are designed with specific brake shoes for compatibility and performance. Always check the vehicle manual to get the correct brake shoe specifications.
Q: How often should one change brake shoes?
A: Generally, brake shoes can last between 30,000 to 70,000 miles. However, the replacement period can differ depending on driving habits, brake shoe material, and the type of vehicle. It is advisable to inspect the brake shoes regularly and replace them once they show signs of wear to maintain safety.
Q: What is the difference between C70 brake shoes and other brake shoes?
A: C70 brake shoes are designed for specific C70 models. They are constructed using materials and dimensions that match the original equipment specifications. This ensures that the brake shoes fit perfectly and function optimally in the C70 vehicles. Other vehicles may not use the same specifications.
Q: Can an amateur change brake shoes without professional help?
A: Yes, if they have the right skills and knowledge. It is a pretty straightforward task. However, it is advisable to get a professional to double-check the work and ensure that everything is done correctly to avoid safety issues.