

Welcome to this expert technical guide on the Conjunto lógico de válvula de drenaje FAW, a critical service component for the cooling system of the FAW Jiefang CA4251P66K24T1A3E5 6×4 tractor semirremolque diésel. This assembly is the primary interface for safely servicing the engine’s coolant.
La función del Conjunto lógico de válvula de drenaje FAW is to provide a clean, remote-operated, and accessible drain point for the engine’s radiator. On modern, complex trucks, the radiator’s low point is often inaccessible. Este “logic assembly” relocates the *control* of the drain to an easy-to-reach spot, typically via a handle and bracket.
Esta guía es un recurso esencial para los técnicos profesionales., gerentes de mantenimiento de flotas, y especialistas en repuestos. Deconstruiremos todo Conjunto lógico de válvula de drenaje FAW (Número de pieza. 1305010-29D) en sus unidades útiles más pequeñas, including the valve itself, the remote handle, the mounting bracket, and the simple-but-critical cotter pin.
El núcleo de la Conjunto lógico de válvula de drenaje FAW is the ‘Drain Valve Assembly’ (1305010-29D) sí mismo. Este es el “petcock” or tap that is physically threaded into the lowest point of the radiator, or an associated coolant pipe. This is the component that holds back the entire cooling system’s volume of hot, pressurized antifreeze.
This is not a simple plumbing fixture. It must be engineered from materials that will not corrode or degrade when exposed to engine coolant (a mix of glycol and anti-corrosion additives) and extreme temperatures that can range from -40°C to over 120°C. It is typically made of a high-strength brass body or a reinforced, heat-resistant polymer.
The sealing mechanism is critical. The valve uses high-temperature O-rings or a precision-lapped “gate” to create a perfect, drip-free seal, even when under 15-20 PSI of cooling system pressure. A failure of this component is a major issue. si el Conjunto lógico de válvula de drenaje FAW fails in the “closed” posición (seizes), it makes servicing the coolant a difficult and messy job, requiring a technician to pull a large radiator hose. If it fails in the “open” posición (leaks), it is a catastrophic failure that will drain the engine of coolant, leading to overheating and severe engine damage. La confiabilidad del Conjunto lógico de válvula de drenaje FAW is therefore a critical safety factor.
What truly defines this as a Conjunto lógico de válvula de drenaje FAW is the remote actuation system. On a large tractor, the radiator drain plug is often impossible to reach without removing shrouds, skid plates, or grilles. Este “lógica” system relocates the point of operation to an accessible, safe location.
The ‘Drain Valve Handle’ (1305013-29D) is the technician’s interface. It is an ergonomic T-handle or lever designed for easy, tool-free operation. It is typically mounted on the ‘Drain Valve Bracket’ (1305031-29D). This bracket is a rigid, stamped-steel component that bolts to a secure part of the chassis or radiator support, ensuring the handle is held firmly in place and does not bend or flex during use.
The handle is connected to the ‘Drain Valve Assembly’ (1305010-29D) via a long, rigid linkage rod (not pictured, but implied). When the technician pulls or turns the handle, this motion is transferred directly to the valve’s actuator, opening the drain. Este “lógica” is what makes the Conjunto lógico de válvula de drenaje FAW a key feature for serviceability. It allows a technician to drain hot coolant safely, from a distance, without having to put their arms near a hot engine or radiator.
The entire remote system is held together by the smallest component in the Conjunto lógico de válvula de drenaje FAW: the ‘Cotter Pin’ (Q5003025). This is a simple, “alfiler” made of soft steel.
Its function is to act as a lynchpin. It is inserted through a pre-drilled hole in the handle (1305013-29D) and the linkage rod that connects to the valve. los dos “legs” of the pin are then bent over, locking the handle to the rod and preventing it from falling off due to vibration.
This pin is a critical, single-use item. During any service that requires disconnecting the handle, this pin must be replaced with a new one. Re-using a fatigued cotter pin is a major risk; if it fails and falls out, the remote handle will become disconnected, rendering the entire Conjunto lógico de válvula de drenaje FAW inoperable. This small pin is the key to the system’s reliability.
El Conjunto lógico de válvula de drenaje FAW is a component that is rarely thought of until it is needed, at which point its function is critical. The primary purpose of the cooling system is to maintain the engine at its optimal operating temperature (approx. 85-95°C). Sin embargo, this system must be periodically drained for several reasons:
Before the existence of the Conjunto lógico de válvula de drenaje FAW, the standard procedure was to place a wide pan under the radiator and pull off the main lower hose. This resulted in an uncontrolled, high-volume gush of hot, toxic coolant, spilling over the technician, the floor, and the truck’s subframe. It was messy, dangerous, and environmentally irresponsible.
El Conjunto lógico de válvula de drenaje FAW solves all these problems. The technician can first attach a small drain hose to the valve’s outlet, directing the flow cleanly into a container. By using the remote handle, they can then open the valve slowly, controlling the flow and preventing any splashing or burns. This is a massive improvement in both service efficiency and technician safety. El “lógica” del Conjunto lógico de válvula de drenaje FAW is therefore a logic of safety and cleanliness.
La siguiente tabla proporciona la información completa, detailed breakdown of all components identified in the ‘Drain Valve Logic Assembly’ diagrama para el tractor FAW CA4251P66K24T1A3E5. Este Conjunto lógico de válvula de drenaje FAW is key to safe coolant service.
| Marca | Número de pieza. | Nombre de la pieza | Cantidad |
|---|---|---|---|
| 1 | 1305010-29D | Drain Valve Assembly | 1 |
| 2 | 1305013-29D | Drain Valve Handle | 1 |
| 3 | 1305031-29D | Drain Valve Bracket | 1 |
| 4 | Q5003025 | Cotter Pin | 1 |
Las especificaciones para el Conjunto lógico de válvula de drenaje FAW are defined by its function as a manual, remote-operated drain for the engine’s high-temperature cooling system. El Conjunto lógico de válvula de drenaje FAW must be serviced with care.
| Solicitud de vehículo | FAW Jiefang CA4251P66K24T1A3E5 6×4 Tractor |
| Grupo de componentes | Conjunto lógico de válvula de drenaje FAW |
| Tipo de sistema | Remote-Operated Petcock / Drain Valve |
| Conjunto de válvula principal | 1incógnita (Número de pieza. 1305010-29D) |
| Actuation Method | Manual (Remote Handle) |
| User Interface | 1x Drain Valve Handle (1305013-29D) |
| Sistema de montaje | 1x Drain Valve Bracket (1305031-29D) |
| Linkage Fastener | 1x Cotter Pin (Q5003025) |
| Associated Fluid | Engine Coolant / Anticongelante |
| Función primaria | To provide a safe, limpio, and remote-accessible drain for servicing the cooling system. |
piezas FAW, incluido el conjunto del bloque de cilindros, Se empaquetan con cuidado para garantizar una entrega segura.. Cada componente está asegurado con materiales protectores para evitar daños durante el transporte.. La red logística garantiza envíos puntuales en todo el mundo., apoyando operaciones de mantenimiento eficientes. A continuación se muestra una imagen que ilustra el embalaje estándar de las piezas de camiones FAW., mostrando la atención al detalle en el manejo y almacenamiento.
Este enfoque de embalaje minimiza el riesgo de corrosión o daños por impacto., asegurando que piezas como el conjunto de bloque de cilindros FAW lleguen en perfectas condiciones. Los clientes pueden confiar en la logística de FAW para obtener calidad y confiabilidad constantes.