Conjunto de freio dianteiro direito russo FAW: Engenharia 53 Componentes Estratégicos para uma Desaceleração Equilibrada do Ártico
O Freio dianteiro direito russo FAW assembly is the pivotal counterpart in the steering axle deceleration system of the CA3250P66K24L1TE5Z dump truck. While mirroring the left-side unit in function, this assembly features unique geometry in its camshaft and adjuster mechanisms, specifically calibrated to ensure symmetrical braking forces on icy surfaces. Operating in the Russian Arctic requires the Freio dianteiro direito russo FAW to withstand thermal shocks from -50°C ambient temperatures to 400°C operating heat without fracturing or fading. This guide provides a granular analysis of the friction components, actuation logic, and structural mounting that define the Freio dianteiro direito russo FAW.
Freio dianteiro direito russo FAW
| Não. |
Número da peça |
Nome da peça |
Quantidade |
| 1 | 3501436-820 | Spring de retorno | 2 |
| 2 | CQ1501016 | Parafuso de cabeça hexagonal | 3 |
| 3 | Q40310 | Arruela elástica | 3 |
| 4 | 3501031-820 | Dust Shield / Capa de poeira | 1 |
| 5 | CQ1501016 | Parafuso de cabeça hexagonal | 1 |
| 6 | 3501053-A0S | Lock Plate – Brake Shoe Axle Retainer | 1 |
| 7 | 3501052-A0S | Retainer Plate – Brake Shoe Axle | 1 |
| 8 | 3501051-820 | Front Brake Shoe Axle / Alfinete | 2 |
| 9 | 3501375-820 | Front Brake Shoe with Roller Assembly | 2 |
| 10 | Q40114 | Máquina de lavar | 1 |
| – | Q5003025 | Cotter Pin | 1 |
| – | Q5101438 | Pino de cabeça plana | 1 |
| 11 | 3501251-A0S | Espaçador – Brake Adjuster Arm | 1 |
| – | 3502252-A0R | Rear Brake Wear Indicator Washer | 1 |
| – | Q43138 | Shaft Snap Ring | 1 |
| 12 | 3501210-820-C00 | Front Right Automatic Adjuster Arm Assembly | 1 |
| – | CQ1500816 | Parafuso de cabeça hexagonal | 1 |
| – | Q40108 | Máquina de lavar | 1 |
| – | Q40108 | Máquina de lavar | As Req |
| 13 | 3530020-896-C00 | Spring Brake Chamber Assembly | 1 |
| 14 | Q1851450 | Parafuso de flange hexagonal | 4 |
| 15 | 3501128-820 | Front Right Air Chamber Bracket | 1 |
| 16 | CQ70190 | Elbow Grease Fitting | 1 |
| 17 | 3501157-A0S | Espaçador – Brake Camshaft | 1 |
| 18 | 3501156-A0S | Felt Seal Ring – Brake Camshaft | 1 |
| 19 | 3501028-A2S | Casquilho – Brake Camshaft | 2 |
| 20 | 3501152-820 | Front Right Brake Camshaft | 1 |
| 21 | 3501029-A0S | Oil Seal – Brake Camshaft | 1 |
| – | 3501153-A0S | Máquina de lavar – Brake Camshaft | 1 |
| 22 | 3501033-820 | Suporte | 1 |
| – | CQ1500820 | Parafuso de cabeça hexagonal | 2 |
| – | Q40308 | Arruela elástica | 2 |
| 23 | 3501022-820 | Front Right Brake Bracket | 1 |
| 24 | 3502398-A0E | Return Spring Anchor Pin | 2 |
| – | Q43112 | Shaft Snap Ring | 4 |
| 25 | 3501396-A0S | Casquilho – Front Brake Shoe | 2 |
| 26 | Q43122 | Shaft Snap Ring | 2 |
| 27 | 3502394-A0E | Eixo do rolo | 2 |
| 28 | 3502392-A0E | Brake Shoe Roller | 2 |
| – | 3502393-A0E | Roller Bushing | 2 |
| 29 | 3502408-A0E | Rebite – Brake Lining | 32 |
| 30 | 3501406-820 | Front Brake Shoe Lining I | 2 |
| 31 | 3501407-820 | Front Brake Shoe Lining II | 2 |
| 32 | 3501391-820 | Front Brake Shoe | 2 |
| 33 | 3501034-02 | Plugue – Dust Shield Inspection Hole | 2 |
| 34 | CQ70001 | Straight Grease Fitting | 1 |
| 35 | 3501034-820 | Plugue | 2 |
Friction Mechanics: The Science of Stopping
At the heart of the Freio dianteiro direito russo FAW assembly lies the friction generation system. This relies on the Front Brake Shoe (Parte não. 3501391-820), a rigid steel arc designed to carry the friction material. In this cold-weather specification, FAW utilizes a dual-lining approach with Front Brake Shoe Lining I (Parte não. 3501406-820) e Front Brake Shoe Lining II (Parte não. 3501407-820). These linings are bonded and riveted using the Rebite – Brake Lining (Parte não. 3502408-A0E) to prevent delamination during extreme thermal cycling, which is common when braking hard in sub-zero ambient temperatures.
The movement of the shoes in the Freio dianteiro direito russo FAW is orchestrated by the Spring de retorno (Parte não. 3501436-820). This component is critical; if it loses tension due to metal fatigue or cold brittleness, the shoes will drag against the drum, creating localized heat spots and glazing the linings. O Freio dianteiro direito russo FAW uses high-tensile wire for these springs to ensure rapid retraction. The shoes pivot on the Front Brake Shoe Axle / Alfinete (Parte não. 3501051-820), secured by the Lock Plate – Brake Shoe Axle Retainer (Parte não. 3501053-A0S), ensuring precise alignment under the immense torque loads of braking.
To reduce friction within the actuation mechanism itself, o Freio dianteiro direito russo FAW employs the Brake Shoe Roller (Parte não. 3502392-A0E) e Eixo do rolo (Parte não. 3502394-A0E). These rollers minimize the physical resistance between the S-cam and the brake shoes, allowing for smoother modulation and preventing the “grabbing” sensation often felt in inferior drum brakes. O Roller Bushing (Parte não. 3502393-A0E) is made from a self-lubricating composite to function even if the grease thickens in the Russian winter.
Lógica de Atuação: Asymmetric Engineering
The conversion of pneumatic pressure into mechanical force in the Freio dianteiro direito russo FAW is handled by the Front Right Brake Camshaft (Parte não. 3501152-820). Unlike the left-side equivalent, this S-cam features a reverse helix profile, engineered to counteract the rotational torque of the right-side wheels during deceleration. It is driven by the Front Right Automatic Adjuster Arm Assembly (Parte não. 3501210-820-C00), a crucial component that automatically maintains the optimal gap between the lining and the drum. Without this automatic adjustment, o Freio dianteiro direito russo FAW would require frequent manual intervention to maintain symmetrical stopping power.
The motive force is provided by the Spring Brake Chamber Assembly (Parte não. 3530020-896-C00), mounted securely on the Front Right Air Chamber Bracket (Parte não. 3501128-820). No Freio dianteiro direito russo FAW sistema, this chamber is positioned to minimize exposure to road spray. The connection between the chamber and the bracket utilizes Parafuso de flange hexagonal (Parte não. Q1851450) fixadores, ensuring that the heavy air chamber does not shift under vibration, which could lead to binding in the pushrod and uneven wear on the Freio dianteiro direito russo FAW componentes.
Proper alignment of the camshaft is maintained by a series of spacers and washers, especificamente o Espaçador – Brake Camshaft (Parte não. 3501157-A0S) e Máquina de lavar – Brake Camshaft (Parte não. 3501153-A0S). These components in the Freio dianteiro direito russo FAW assembly prevent lateral movement of the camshaft, ensuring that the S-head engages the rollers squarely. Any misalignment here results in accelerated wear of the Casquilho – Brake Camshaft (Parte não. 3501028-A2S) and reduced braking efficiency.
Structural Integrity and Environmental Protection
A fundação do Freio dianteiro direito russo FAW é o Front Right Brake Bracket (Parte não. 3501022-820), also known as the spider. This cast component bolts to the axle flange and supports the entire brake assembly. It is designed to handle the immense torque reaction generated when stopping a 30-ton loaded truck. Protecting the internal components of the Freio dianteiro direito russo FAW from the harsh external environment is the Dust Shield / Capa de poeira (Parte não. 3501031-820). This shield prevents mud, sal, and ice from entering the drum and contaminating the friction surfaces.
For inspection purposes, the dust shield on the Freio dianteiro direito russo FAW features access ports sealed with the Plugue – Dust Shield Inspection Hole (Parte não. 3501034-02). These plugs allow mechanics to check lining thickness without disassembling the wheel end. Ensuring these plugs are compliant and in place is vital; missing plugs allow abrasive road grit to enter the Freio dianteiro direito russo FAW, scoring the drum and destroying the Front Brake Shoe Lining prematurely.
Internal retention is managed by various snap rings, such as the Shaft Snap Ring (Parte não. Q43112) used on the roller shafts. These small clips prevent critical pivot pins from migrating out of position. O Freio dianteiro direito russo FAW also utilizes the Lock Plate – Brake Shoe Axle Retainer (Parte não. 3501053-A0S) as a secondary safety measure to keep the anchor pins fixed. This multi-layer retention strategy is a hallmark of the Freio dianteiro direito russo FAW safety design philosophy.
Lubrication and Maintenance Protocols
Longevity of the Freio dianteiro direito russo FAW is directly tied to lubrication. The assembly features accessible points like the Elbow Grease Fitting (Parte não. CQ70190) e o Straight Grease Fitting (Parte não. CQ70001). These allow fresh grease to be purged into the camshaft bushings and slack adjuster. No Freio dianteiro direito russo FAW, keeping these points greased flushes out contaminants and creates a barrier against moisture ingress, which is the primary cause of seized brakes in winter.
Sealing the grease within the working areas is the job of the Oil Seal – Brake Camshaft (Parte não. 3501029-A0S) e o Felt Seal Ring – Brake Camshaft (Parte não. 3501156-A0S). The felt ring acts as a wiper, preventing coarse dirt from reaching the inner seal. If these seals fail on the Freio dianteiro direito russo FAW, grease can leak onto the brake linings, causing a catastrophic loss of friction. Portanto, inspecting these seals for leakage is a mandatory step during every service interval of the Freio dianteiro direito russo FAW.
Finalmente, o Freio dianteiro direito russo FAW relies on the integrity of its fasteners. O Parafuso de cabeça hexagonal (Parte não. CQ1501016) and corresponding Arruela elástica (Parte não. Q40310) must be torqued to spec. Loose bolts on the dust shield or anchor pins can lead to rattling and eventual fatigue failure. By strictly adhering to the parts list and maintenance procedures for the Freio dianteiro direito russo FAW, operators maximize uptime and safety.
Conclusão: The Anchor of Safety
O Freio dianteiro direito russo FAW is a complex assembly where 53 distinct components work in unison to provide safety and control. From the friction-generating Front Brake Shoe Lining to the force-multiplying Front Right Brake Camshaft, every part is tailored for the rigors of the Russian environment. The robust Front Right Brake Bracket provides the necessary rigidity, while the advanced sealing system ensures long service intervals.
Para gerentes de frota, the message is clear: there is no substitute for genuine parts when servicing the Freio dianteiro direito russo FAW. Using authentic Spring de retorno units and correct specification linings ensures that the braking performance remains balanced and predictable. By maintaining the Freio dianteiro direito russo FAW according to factory standards, operators protect their drivers, their cargo, and their bottom line against the unpredictable challenges of the road.
Embalagem e Logística
Peças FAW, incluindo o conjunto do bloco de cilindros, são embalados com cuidado para garantir uma entrega segura. Cada componente é protegido por materiais de proteção para evitar danos durante o transporte. A rede logística garante envios pontuais em todo o mundo, apoiando operações de manutenção eficientes. Abaixo está uma imagem ilustrando a embalagem padrão para peças de caminhão FAW, mostrando a atenção aos detalhes no manuseio e armazenamento.
Esta abordagem de embalagem minimiza o risco de corrosão ou danos por impacto, garantindo que peças como o conjunto do bloco de cilindros FAW cheguem em perfeitas condições. Os clientes podem confiar na logística da FAW para obter qualidade e confiabilidade consistentes.