Freio da roda dianteira FAW J6P: Desconstruindo 30 Peças críticas para uma potência de parada perfeita

Este é um guia técnico completo para o Freio da roda dianteira FAW J6P (Modelo 3501015-901 / 3501020-901) para o FAW Jiefang CA3250P66K2L1T1E 6×4 caminhão despejando. This deconstruction analyzes 30 serviceable component types that form the complete S-cam brake assembly, a critical system for vehicle safety.

O Freio da roda dianteira FAW J6P é um serviço pesado, S-cam “drum” sistema de freio. This robust design is the industry standard for heavy-duty trucks, prized for its durability, high stopping torque, and field serviceability. Its primary function is to convert the kinetic energy of the 25-ton truck into heat, safely bringing the vehicle to a stop. It does this by using compressed air, supplied by the brake line system, to force a set of brake shoes and linings against the inner surface of the rotating brake drum.

This deconstruction will analyze the key serviceable assemblies of the Freio da roda dianteira FAW J6P, including the pneumatic actuator (air chamber), the mechanical linkage (S-cam and slack adjuster), the friction components (brake shoes and linings), and the stationary foundation (brake spider). A properly maintained Freio da roda dianteira FAW J6P is the most critical safety system on the front axle, and its condition is non-negotiable for safe operation.

Essencial 1: O “Actuation” Lógica (The Air Chamber)

Este é o “músculo” do Freio da roda dianteira FAW J6P. This component converts the pneumatic signal from the brake pedal into powerful mechanical force.

1. Componente: ‘Front brake air chamber assy’ (3519110-95A) – Quantidade 2
Esse (Comp. 1) is the complete air brake chamber. O Pneumatic-to-Mechanical Logic é a sua função: when the driver presses the brake pedal, compressed air fills this chamber, pushing on a large rubber diaphragm. This diaphragm is connected to a pushrod, which extends out of the chamber with significant force. This is the initial force that actuates the entire Freio da roda dianteira FAW J6P.

A leaking diaphragm in this chamber is a common failure point and will result in a dangerous air leak and a significant loss of braking power on that wheel. This makes the air chamber a critical safety component of the Freio da roda dianteira FAW J6P.

Essencial 2: O “Foundation” Lógica (The Brake Spider)

This group of components forms the stationary foundation of the Freio da roda dianteira FAW J6P. It bolts directly to the steering knuckle and serves as the anchor point for the brake shoes.

1. Componente: ‘Left/Right brake spider’ (3501151C242, 3501152C242) – Quantidade 1 cada
Esse (Comp. 5) é o “aranha” ou “backing plate”. É um enorme, single-piece cast iron or forged steel component. Isso é Anchor Point Logic is to absorb all the torque and forces generated by the braking action. The brake shoes (Comp. 22) are anchored to this spider, and it is the component that the S-cam (Comp. 15) passes through.

2. Componente: ‘Left/Right brake spider support’ (3501021C242, 3501022C242) – Quantidade 1 cada
Esse (Comp. 7) is the support bracket that adapts the spider (Comp. 5) to the steering knuckle. O inteiro Freio da roda dianteira FAW J6P assembly is rigidly bolted to the axle via this bracket.

3. Componente: ‘Left/Right brake camshaft support’ (3501127C242, 3501128C242) – Quantidade 1 cada
Esse (Comp. 8) is a supplementary bracket that supports the S-camshaft. This ensures the camshaft cannot flex under load, which would cause uneven brake application. This is a key part of the Freio da roda dianteira FAW J6P‘s heavy-duty design.

Essencial 3: O “Friction” Lógica (The Brake Shoes & Linings)

Este é o “wear” parte do Freio da roda dianteira FAW J6P. These components are designed to be sacrificed to create the friction needed to stop the truck.

1. Componente: ‘Front brake shoe assy’ (3501390C242) – Quantidade 4
Esse (Comp. 22) is the complete brake shoe, which includes the steel “web” and the friction lining. O Freio da roda dianteira FAW J6P uses two of these shoes (primary and secondary) per wheel.

2. Componente: ‘Brake lining I’ (3501406C242) & ‘Brake lining II’ (3501407C242) – Quantidade 4 cada
Esse (Comp. 23, 24) is the serviceable friction material. O Friction Logic involves two different lining types (I and II), which suggests a “leading/trailing” ou “primary/secondary” shoe design. One lining is more aggressive to provide the initial bite, while the other is designed for sustained friction and heat dissipation.

3. Componente: ‘Rivet – brake lining’ (3502408BA2T) – Quantidade 56
Esse (Comp. 25) is the set of rivets used to attach the ‘Brake linings’ (Comp. 23, 24) to the steel brake shoe. This riveted design is common in heavy-duty Freio da roda dianteira FAW J6P systems as it is strong and allows for the linings to be replaced.

4. Componente: ‘Left/Right brake shoe with lining assy’ (3501375C242, 3501380C242)
Esse (Comp. 21) is a pre-assembled unit, providing the complete shoe and lining (Comp. 22) as a single part for easier service of the Freio da roda dianteira FAW J6P.

Essencial 4: O “Fraude & Adjuster” Lógica (The Actuation Linkage)

This group of components forms the mechanical link between the air chamber (Essencial 1) and the brake shoes (Essencial 3). It translates the linear push from the air chamber into a rotary motion that spreads the shoes apart.

1. Componente: ‘Left/Right automatic slack adjuster assy’ (3501205C242, 3501210C242) – Quantidade 1 cada
Esse (Comp. 30) é o “slack adjuster”. Esse Self-Adjusting Logic is a key feature of a modern Freio da roda dianteira FAW J6P. As the brake linings (Comp. 23, 24) wear, this device automatically adjusts its angle on the camshaft to ensure the “folga” (distance) between the lining and the drum remains minimal. This provides a consistent, responsive brake pedal.

2. Componente: ‘Front brake camshaft’ (3501082-4E) – Quantidade 4
Esse (Comp. 15) is the ‘S-cam’. This is a forged steel shaft with an “S” shaped head at one end. As the slack adjuster (Comp. 30) rotates this shaft, o “S” shape pushes against the ‘Brake shoe rollers’ (Comp. 26), forcing the brake shoes apart and into the drum. This is the final mechanical force multiplication in the Freio da roda dianteira FAW J6P. Section 17: ‘Lock washer – steering knuckle spindle nut’ (2)

3. Componente: ‘Retorno da primavera – brake shoe’ (3501436-4E) – Quantidade 2
Esse (Comp. 20) is a heavy-duty spring. Isso é Return Logic is to aggressively pull the brake shoes (Comp. 22) back away from the brake drum the instant the driver releases the pedal. A weak or broken return spring will cause the brakes to “arrastar,” leading to extreme overheating and failure of the Freio da roda dianteira FAW J6P.

Freio da roda dianteira FAW J6P: Complete 30-Part Breakdown

A tabela a seguir fornece o completo, detalhamento de todos 30 tipos de componentes no Freio da roda dianteira FAW J6P montagem para o FAW Jiefang CA3250P66K2L1T1E 6×4 caminhão despejando. Esta lista é essencial para qualquer serviço da Freio da roda dianteira FAW J6P.

Especificações principais

As especificações para o Freio da roda dianteira FAW J6P are defined by its robust S-cam, air-actuated design, built for heavy-duty service. A properly adjusted and maintained Freio da roda dianteira FAW J6P é essencial para a segurança do veículo.