Bomba de agua FAW J6P: Deconstruyendo 21 Piezas críticas para una gestión térmica impecable

Bienvenidos a esta experta deconstrucción del Bomba de agua FAW J6P (Main Assy P/N 1307010-36D). Este es el “corazón” of the engine cooling system for the FAW Jiefang CA3250P66K2L1T1E 6×4 camión volcado.

This is not a single part, but a complete “Asamblea lógica” de 21 tipos de componentes (part of the larger Chapter 27 Thermal Group). Es “lógica” is to be a high-volume, belt-driven centrifugal pump that provides the *one thing* a heavy-duty diesel needs to survive: continuous, high-volume coolant flow.

El “Circulation Logic” de esto Bomba de agua FAW J6P es su función más crítica. es el “músculo” of the thermal management system. It must circulate 30-40 liters of coolant through the entire engine and radiator, multiple times per minute, to pull heat *away* from the cylinder head and block. A failure here is not a minor issue; a loss of coolant flow (from a snapped belt or failed internal bearing) will cause the engine to overheat and seize *in minutes*.

This technical guide is essential for fleet technicians and engine specialists. We will deconstruct the entire component group associated with the Bomba de agua FAW J6P. Analizaremos el “Centrifugal Pump Logic” (the pump assembly itself), el “Coolant Conditioning Logic” (the integrated water filter system), el “Plumbing & Flow Logic” (the inlet and bypass pipes), y el “Sellando & Lógica de sujetadores” (the gaskets and bolts) that create a high-pressure, leak-proof Bomba de agua FAW J6P sistema.

Centro 1: El “Centrifugal Pump” Lógica (Componentes 11, 26, 28)

Este grupo representa el “corazón” of the cooling system. While the Thermostat (Chapter 27A) es el “cerebro,” este Bomba de agua FAW J6P es el “muscle.”

1. Componente: ‘Water pump assy’ (1307010-36D)
Este (compensación 26) es el “Centrifugal Flow Logic.” This is a high-volume, relatively low-pressure pump that is belt-driven from the engine’s front-end accessory drive. Es “lógica” es simple: an internal, multi-bladed “impeller” (driven by the belt pulley) spins at high speed. It doesn’t “suck” water in; él “slings” it outwards by centrifugal force. This creates a low-pressure void at its center (el “inlet”) that draws coolant in, and a high-pressure zone at its edge (el “salida”) that pushes coolant into the engine block. This is the core of the Bomba de agua FAW J6P.

2. El “Mechanical Seal Logic” (Interno a Comp 26)
The most critical part of the Bomba de agua FAW J6P is its internal seal. The pump shaft (which holds the pulley on the outside and the impeller on the inside) must pass *through* the pump housing. A “mechanical seal” (a high-tech, spring-loaded, carbon-and-ceramic ring) is what prevents high-pressure coolant from leaking out. This seal is “water-lubricated.” When this seal eventually wears out from time and use, coolant will drip from a “weep hole” in the bottom of the pump casting. Este “Weep Logic” is a built-in “failsafe indicator,” telling the technician the Bomba de agua FAW J6P must be replaced *before* the bearing fails completely and seizes.

3. Componente: ‘Water pump seat’ (1307041-29D)
Este (compensación 11) es el “Mounting Logic.” Este es el trabajo pesado, cast-iron “base” o “brida” that the ‘Water pump assy’ (compensación 26) pernos para. This ‘seat’ is then bolted directly to the engine block with its own gaskets (compensación 8). Este “adapter logic” provides a rigid, stable foundation that will not flex under the high tension of the serpentine belt. El 'perno – bomba de agua’ (compensación 28) and nuts (compensación 29, 30) are the critical fasteners for this.

Centro 2: El “Coolant Conditioning” Lógica (Componentes 16, 17, 24)

Este es un “lógica” unique to heavy-duty engines. The system doesn’t just pump coolant; él “condiciones” él. This is a critical support function of the Bomba de agua FAW J6P.

1. Componente: ‘Water filter assy’ (1307020-29D)
Este (compensación 17) es el “Conditioning Logic.” This is not just a particle filter. Es “lógica” es ser un “Bypass Filter” that contains “Supplemental Coolant Additives” (SCAs). A small “bleed” of coolant constantly flows from the Bomba de agua FAW J6P circuito, passes through this spin-on filter, and returns to the system.

2. El “SCA Logic” (Cavitation Prevention)
Este es el “why.” Heavy-duty diesel engines vibrate violently. This vibration creates tiny, imploding steam bubbles (a process called “cavitation”) on the *outside* of the “wet” revestimiento de cilindros. These implosions act like microscopic jackhammers, and they *will* eat holes through the liner, causing catastrophic engine failure. El “SCA Logic” of this filter is that it slowly *dissolves* chemicals (like nitrites) into the coolant. These chemicals “plate” the metal surfaces, forming a sacrificial, protective layer that “cushions” against these cavitation implosions. This filter’s “lógica” is to *prevent* this, making it a critical component for engine longevity.

3. Componente: ‘Water filter shut-off valve’ (1307017-29D)
Este (compensación 24) es el “Serviceability Logic.” The ‘Water filter’ (compensación 17) is a regular service item that must be changed. Este “shut-off valve” (a ball or gate valve) is installed *before* the filter. Es “lógica” is to allow a technician to *stop* the flow of coolant *to the filter*, allowing it to be spun off and replaced *without* draining the entire 30-40L cooling system. This is a massive time- and cost-saving feature. The ‘Water filter connecting nut’ (compensación 16) is the fastener for the filter head.

Centro 3: El “Plumbing & Flow” Lógica (Pipes & Manguera)

This group represents all the “arteries” that connect to the Bomba de agua FAW J6P and direct the flow of coolant.

1. Componente: ‘Water pump inlet pipe assy’ (1307050-29D)
Este (compensación 14) es el “Main Suction Logic.” This is the large-diameter, pre-formed pipe that connects the “succión” (centro) del Bomba de agua FAW J6P hacia “salida” (abajo) of the main radiator. Es “lógica” is to provide a high-flow, non-collapsing path for the “frío” coolant to enter the pump. It’s held on by ‘Hexagon flange bolts’ (compensación 15).

2. Componente: ‘Water pump bypass pipe’ (1307032-29D)
Este (compensación 9) es el “Warm-Up Logic.” This pipe connects the ‘Thermostat’ housing *back* to the “succión” lado de la Bomba de agua FAW J6P. When the thermostat is *closed* (engine cold), this pipe is the *only* path for coolant to circulate. Este “Bypass Logic” is what allows the coolant to circulate *only* within the engine block, allowing the engine to warm up rapidly and provide heat to the ‘Heater water drain switch’ (compensación 6).

3. Componentes: ‘Intermediate connecting pipe’ (1306023-36D) & ‘Single-pipe…’ (1306024-29D)
Estos (compensación 18 & 20) son los “Interface Logic.” These are rigid, pre-formed pipes that connect the Bomba de agua FAW J6P‘s “pressure side” to other components, such as the ‘FAW J6P Engine Oil Cooler’ module. They are used in tight spaces where a flexible rubber hose would kink, melt, or rub through.

Centro 4: El “Sellando & Cierre” Lógica (All Gaskets & Pernos)

Este grupo final “lógica” is to provide a 100% leak-proof, alta temperatura, vibration-resistant seal for every connection in the Bomba de agua FAW J6P sistema.

1. El “Sellando” Lógica (Juntas & O-Rings)
This system uses three types of seals. La 'Junta’ (compensación 8) es un “Sello estático” for the flat, non-moving flange of the ‘Water pump seat’ (compensación 11). The ‘O-rings’ (compensación 10, 19, 25) son “Dynamic Seals.” Su “lógica” is to seal the “slip-fit” ends of the intermediate pipes (compensación 9, 18, 20), allowing them to expand and contract with heat *without* leaking. Finalmente, the ‘Copper gaskets’ (compensación 12) son “Crush Washers” for the ‘Hollow bolts’ (compensación 13), creating a high-pressure, metal-on-metal seal for the heater circuit.

2. El “Cierre” Lógica (Pernos & Nueces)
todo el Bomba de agua FAW J6P assembly is held to the block with a combination of ‘Hexagon flange stud bolts’ (compensación 27) and ‘Hexagon flange nuts’ (compensación 29, 30). Este “Stud Logic” is superior for a high-vibration component. The studs are installed in the block, and the pump is placed over them, with nuts providing the clamp. This prevents wear on the engine block’s threads. The other ‘Hexagon flange bolts’ (compensación 15, 21) are used to secure the rigid pipes, con su “brida” providing a built-in, anti-vibration washer.

Bomba de agua FAW J6P & Filter Parts List

The following table provides the detailed breakdown of the 21 component types associated with the Bomba de agua FAW J6P and conditioning system (from the master “Termostato & Bomba de agua” group) Para FAW Jiefang CA3250P66K2L1T1E 6×4 camión volcado.

Especificaciones principales

Las especificaciones para el Bomba de agua FAW J6P assembly are defined by its function as the “corazón” of the engine’s cooling and conditioning system.