Drum Brake Components 3501436-B31 Front Axle Brake Shoe Return Spring For FAW Jiefang Trucks
Price:
negotiation
MOQ:
20 pcs
Delivery Time:
7-30 work days
Brand:
FAW Jiefang
Product Description
Wholesale Price Truck Parts Drum Brake Components 3501436-B31 Front Axle Brake Shoe Return Spring for FAW Jiefang Trucks
The core function of the 3501436-B31 front axle brake shoe return spring is to actively and forcibly pull the brake shoes back to their original position from the brake drum after you release the brake pedal, achieving "complete separation."
This seemingly simple action is crucial for ensuring the normal operation of drum brakes. Its core function is mainly reflected in the following aspects:
1. Eliminating residual braking and preventing "brake slippage": When you release the brake, the air pressure in the brake chamber disappears. At this time, the return spring is the only component providing the return force. It overcomes the slight friction of the connecting parts such as the brake shoe pin, ensuring that the two brake shoes quickly and synchronously leave the brake drum. If the spring tension is insufficient, the brake shoes cannot fully return to their original position, causing continuous friction between the brake pads and the brake drum.
2. Ensuring sensitive braking response and maintaining a safe clearance: After the spring quickly returns to its original position, the standard working clearance (usually 0.5-1.5 mm) is restored between the brake shoes and the brake drum. This clearance ensures that the brake shoes can press against the brake drum with the shortest travel and fastest speed the next time the brakes are applied, resulting in rapid braking response and sufficient braking force.
3. Preventing Abnormal Wear and Overheating
If the return spring fails, continuous friction will generate extremely high heat. This will lead to:
Brake pad burning, accelerating wear.
Brake drum thermal fade; at high temperatures, the brake drum's hardness decreases, severely reducing braking force.
Abnormally high temperatures in the tire area, potentially even igniting the tire.
Simply put, this spring determines whether the brakes can be released. It allows the braking system to precisely return from an "operating state" to a "standby state," making it a crucial basic component for driving safety.
If you notice increased braking resistance, abnormally hot wheel hubs, or unexplained increased fuel consumption, the return spring is one of the components that needs to be checked carefully.
| Basic Parameters Table | |
| Parameter | Details |
| Name | Brake shoe return spring / front brake shoe tension spring |
| Model | 3501436-B31 |
| Material | High-strength spring steel (usually surface treated with electrophoresis, galvanizing or oiling to prevent rust) |
| Structure | Tension coil spring with hooks at both ends for connecting brake pads |
| Weight | Approximately 0.4kg - 0.6kg (may vary slightly from batch to batch) |
| Color | Black |
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Company
Shaanxi Jufeng Delong Trading Co., Ltd.
Location
Room 12B02, Block A, Soubao Center, Weiyang District, Xi'an, Shaanxi Province
Contact Person
Yang