Водяной насос FAW J6P: Деконструкция 21 Важные детали для безупречного управления температурным режимом

Добро пожаловать на эту экспертную деконструкцию Водяной насос FAW J6P (Main Assy P/N 1307010-36D). Это “сердце” of the engine cooling system for the FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал.

Это не одна часть, but a complete “Логическая сборка” из 21 типы компонентов (part of the larger Chapter 27 Thermal Group). Его “логика” 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.

The “Circulation Logic” этого Водяной насос FAW J6P это его самая важная функция. Это “мышца” 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 Водяной насос FAW J6P. Мы проанализируем “Centrifugal Pump Logic” (the pump assembly itself), а “Coolant Conditioning Logic” (the integrated water filter system), а “Plumbing & Логика потока” (the inlet and bypass pipes), и “Уплотнение & Логика крепления” (the gaskets and bolts) that create a high-pressure, герметичный Водяной насос FAW J6P система.

Основной 1: The “Centrifugal Pump” Логика (Компоненты 11, 26, 28)

Эта группа представляет “сердце” of the cooling system. While the Thermostat (Chapter 27A) это “мозг,” этот Водяной насос FAW J6P это “muscle.”

1. Компонент: ‘Water pump assy’ (1307010-36Д)
Этот (Комп 26) это “Centrifugal Flow Logic.” Это большой объем, relatively low-pressure pump that is belt-driven from the engine’s front-end accessory drive. Его “логика” это просто: an internal, multi-bladed “рабочее колесо” (driven by the belt pulley) spins at high speed. It doesn’t “suck” water in; это “slings” it outwards by centrifugal force. This creates a low-pressure void at its center (а “входное отверстие”) that draws coolant in, and a high-pressure zone at its edge (а “выход”) that pushes coolant into the engine block. This is the core of the Водяной насос FAW J6P.

2. The “Mechanical Seal Logic” (Внутренний для компа 26)
The most critical part of the Водяной насос 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. А “механическое уплотнение” (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 “слезная дыра” in the bottom of the pump casting. Этот “Weep Logic” is a built-in “failsafe indicator,” telling the technician the Водяной насос FAW J6P must be replaced *before* the bearing fails completely and seizes.

3. Компонент: ‘Water pump seat’ (1307041-29Д)
Этот (Комп 11) это “Mounting Logic.” Это сверхмощный, cast-iron “база” или “фланец” that the ‘Water pump assy’ (Комп 26) bolts to. This ‘seat’ is then bolted directly to the engine block with its own gaskets (Комп 8). Этот “adapter logic” provides a rigid, stable foundation that will not flex under the high tension of the serpentine belt. «Болт» – водяной насос’ (Комп 28) and nuts (Комп 29, 30) are the critical fasteners for this.

Основной 2: The “Coolant Conditioning” Логика (Компоненты 16, 17, 24)

Это “логика” unique to heavy-duty engines. The system doesn’t just pump coolant; это “условия” это. This is a critical support function of the Водяной насос FAW J6P.

1. Компонент: ‘Water filter assy’ (1307020-29Д)
Этот (Комп 17) это “Conditioning Logic.” This is not just a particle filter. Его “логика” это быть “Bypass Filter” that contains “Supplemental Coolant Additives” (SCA). A small “истекать кровью” of coolant constantly flows from the Водяной насос FAW J6P схема, passes through this spin-on filter, and returns to the system.

2. The “SCA Logic” (Cavitation Prevention)
Это “why.” Heavy-duty diesel engines vibrate violently. This vibration creates tiny, imploding steam bubbles (a process called “cavitation”) on the *outside* of the “влажный” цилиндрические лайнеры. These implosions act like microscopic jackhammers, and they *will* eat holes through the liner, causing catastrophic engine failure. The “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 “подушки” against these cavitation implosions. This filter’s “логика” is to *prevent* this, making it a critical component for engine longevity.

3. Компонент: ‘Water filter shut-off valve’ (1307017-29Д)
Этот (Комп 24) это “Логика обслуживания.” The ‘Water filter’ (Комп 17) is a regular service item that must be changed. Этот “shut-off valve” (a ball or gate valve) is installed *before* the filter. Его “логика” 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’ (Комп 16) is the fastener for the filter head.

Основной 3: The “Plumbing & Поток” Логика (Pipes & Шланги)

This group represents all the “arteries” that connect to the Водяной насос FAW J6P and direct the flow of coolant.

1. Компонент: ‘Water pump inlet pipe assy’ (1307050-29Д)
Этот (Комп 14) это “Main Suction Logic.” This is the large-diameter, pre-formed pipe that connects the “всасывание” (центр) принадлежащий Водяной насос FAW J6P к “выход” (нижний) of the main radiator. Его “логика” is to provide a high-flow, non-collapsing path for the “холодный” coolant to enter the pump. It’s held on by ‘Hexagon flange bolts’ (Комп 15).

2. Компонент: ‘Water pump bypass pipe’ (1307032-29Д)
Этот (Комп 9) это “Warm-Up Logic.” This pipe connects the ‘Thermostat’ housing *back* to the “всасывание” сторона Водяной насос FAW J6P. When the thermostat is *closed* (engine cold), this pipe is the *only* path for coolant to circulate. Этот “Обход логики” 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’ (Комп 6).

3. Компоненты: ‘Intermediate connecting pipe’ (1306023-36Д) & ‘Single-pipe…’ (1306024-29Д)
Эти (Комп 18 & 20) являются “Interface Logic.” These are rigid, pre-formed pipes that connect the Водяной насос FAW J6P‘s “pressure side” to other components, such as the ‘FAW J6P Engine Oil Cooler’ модуль. They are used in tight spaces where a flexible rubber hose would kink, melt, or rub through.

Основной 4: The “Уплотнение & Застежка” Логика (All Gaskets & Болты)

Эта последняя группа “логика” заключается в предоставлении 100% герметичный, высокотемпературный, vibration-resistant seal for every connection in the Водяной насос FAW J6P система.

1. The “Уплотнение” Логика (Прокладки & Уплотнительные кольца)
This system uses three types of seals. «Прокладка»’ (Комп 8) является а “Статическое уплотнение” for the flat, non-moving flange of the ‘Water pump seat’ (Комп 11). The ‘O-rings’ (Комп 10, 19, 25) являются “Dynamic Seals.” Их “логика” заключается в том, чтобы запечатать “slip-fit” ends of the intermediate pipes (Комп 9, 18, 20), allowing them to expand and contract with heat *without* leaking. Окончательно, the ‘Copper gaskets’ (Комп 12) являются “Crush Washers” for the ‘Hollow bolts’ (Комп 13), creating a high-pressure, metal-on-metal seal for the heater circuit.

2. The “Застежка” Логика (Болты & Орехи)
Весь Водяной насос FAW J6P assembly is held to the block with a combination of ‘Hexagon flange stud bolts’ (Комп 27) and ‘Hexagon flange nuts’ (Комп 29, 30). Этот “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’ (Комп 15, 21) are used to secure the rigid pipes, с их “фланец” providing a built-in, anti-vibration washer.

Водяной насос FAW J6P & Filter Parts List

The following table provides the detailed breakdown of the 21 component types associated with the Водяной насос FAW J6P and conditioning system (from the master “Термостат & Помпа” группа) для FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал.

Основные характеристики

Технические характеристики Водяной насос FAW J6P assembly are defined by its function as the “сердце” of the engine’s cooling and conditioning system.