مضخة مياه فاو J6P: تفكيك 21 الأجزاء المهمة لإدارة الحرارة بشكل لا تشوبه شائبة

مرحبا بكم في هذا التفكيك الخبير لل مضخة مياه فاو J6P (Main Assy P/N 1307010-36D). هذا هو “قلب” of the engine cooling system for the FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

This is not a single part, but a complete “تجميع المنطق” ل 21 component types (part of the larger Chapter 27 Thermal Group). إنه “منطق” 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.

ال “Circulation Logic” of this مضخة مياه فاو J6P is its most critical function. إنه “عضلة” 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 مضخة مياه فاو J6P. سنقوم بتحليل “Centrifugal Pump Logic” (the pump assembly itself), ال “Coolant Conditioning Logic” (the integrated water filter system), ال “Plumbing & Flow Logic” (the inlet and bypass pipes), و “ختم & المنطق السحابي” (the gaskets and bolts) that create a high-pressure, leak-proof مضخة مياه فاو J6P نظام.

جوهر 1: ال “Centrifugal Pump” منطق (عناصر 11, 26, 28)

This group represents the “قلب” of the cooling system. While the Thermostat (Chapter 27A) هو “مخ,” هذا مضخة مياه فاو J6P هو “muscle.”

1. عنصر: ‘Water pump assy’ (1307010-36د)
هذا (شركات 26) هو “Centrifugal Flow Logic.” This is a high-volume, relatively low-pressure pump that is belt-driven from the engine’s front-end accessory drive. إنه “منطق” is simple: an internal, multi-bladed “impeller” (driven by the belt pulley) spins at high speed. It doesn’t “suck” water in; هو - هي “slings” it outwards by centrifugal force. This creates a low-pressure void at its center (ال “inlet”) that draws coolant in, and a high-pressure zone at its edge (ال “outlet”) that pushes coolant into the engine block. This is the core of the مضخة مياه فاو J6P.

2. ال “Mechanical Seal Logic” (Internal to Comp 26)
The most critical part of the مضخة مياه فاو 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. أ “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. هذا “Weep Logic” is a built-in “failsafe indicator,” telling the technician the مضخة مياه فاو J6P must be replaced *before* the bearing fails completely and seizes.

3. عنصر: ‘Water pump seat’ (1307041-29د)
هذا (شركات 11) هو “Mounting Logic.” This is the heavy-duty, cast-iron “قاعدة” أو “شفة” that the ‘Water pump assy’ (شركات 26) bolts to. This ‘seat’ is then bolted directly to the engine block with its own gaskets (شركات 8). هذا “adapter logic” provides a rigid, stable foundation that will not flex under the high tension of the serpentine belt. "الترباس." – مضخة مياه’ (شركات 28) and nuts (شركات 29, 30) are the critical fasteners for this.

جوهر 2: ال “Coolant Conditioning” منطق (عناصر 16, 17, 24)

هذا هو “منطق” unique to heavy-duty engines. The system doesn’t just pump coolant; هو - هي “شروط” هو - هي. This is a critical support function of the مضخة مياه فاو J6P.

1. عنصر: ‘Water filter assy’ (1307020-29د)
هذا (شركات 17) هو “Conditioning Logic.” This is not just a particle filter. إنه “منطق” is to be a “Bypass Filter” that contains “Supplemental Coolant Additives” (SCAs). A small “bleed” of coolant constantly flows from the مضخة مياه فاو J6P الدائرة, passes through this spin-on filter, and returns to the system.

2. ال “SCA Logic” (Cavitation Prevention)
هذا هو “why.” Heavy-duty diesel engines vibrate violently. This vibration creates tiny, imploding steam bubbles (a process called “cavitation”) on the *outside* of the “wet” بطانات الأسطوانة. These implosions act like microscopic jackhammers, and they *will* eat holes through the liner, causing catastrophic engine failure. ال “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 “منطق” is to *prevent* this, making it a critical component for engine longevity.

3. عنصر: ‘Water filter shut-off valve’ (1307017-29د)
هذا (شركات 24) هو “Serviceability Logic.” The ‘Water filter’ (شركات 17) is a regular service item that must be changed. هذا “shut-off valve” (a ball or gate valve) is installed *before* the filter. إنه “منطق” 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’ (شركات 16) is the fastener for the filter head.

جوهر 3: ال “Plumbing & Flow” منطق (Pipes & خراطيم)

This group represents all the “arteries” that connect to the مضخة مياه فاو J6P and direct the flow of coolant.

1. عنصر: ‘Water pump inlet pipe assy’ (1307050-29د)
هذا (شركات 14) هو “Main Suction Logic.” This is the large-diameter, pre-formed pipe that connects the “شفط” (center) التابع مضخة مياه فاو J6P إلى “outlet” (قاع) of the main radiator. إنه “منطق” is to provide a high-flow, non-collapsing path for the “cold” coolant to enter the pump. It’s held on by ‘Hexagon flange bolts’ (شركات 15).

2. عنصر: ‘Water pump bypass pipe’ (1307032-29د)
هذا (شركات 9) هو “Warm-Up Logic.” This pipe connects the ‘Thermostat’ housing *back* to the “شفط” جانب من مضخة مياه فاو J6P. When the thermostat is *closed* (engine cold), this pipe is the *only* path for coolant to circulate. هذا “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’ (شركات 6).

3. عناصر: ‘Intermediate connecting pipe’ (1306023-36د) & ‘Single-pipe…’ (1306024-29د)
هؤلاء (شركات 18 & 20) هي “Interface Logic.” These are rigid, pre-formed pipes that connect the مضخة مياه فاو 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.

جوهر 4: ال “ختم & قفل” منطق (All Gaskets & البراغي)

This final group’s “منطق” هو توفير أ 100% leak-proof, high-temperature, vibration-resistant seal for every connection in the مضخة مياه فاو J6P نظام.

1. ال “ختم” منطق (Gaskets & O-Rings)
This system uses three types of seals. The ‘Gasket’ (شركات 8) هو “Static Seal” for the flat, non-moving flange of the ‘Water pump seat’ (شركات 11). The ‘O-rings’ (شركات 10, 19, 25) are “Dynamic Seals.” هُم “منطق” is to seal the “slip-fit” ends of the intermediate pipes (شركات 9, 18, 20), allowing them to expand and contract with heat *without* leaking. أخيراً, the ‘Copper gaskets’ (شركات 12) are “Crush Washers” for the ‘Hollow bolts’ (شركات 13), creating a high-pressure, metal-on-metal seal for the heater circuit.

2. ال “قفل” منطق (البراغي & المكسرات)
كامل مضخة مياه فاو J6P assembly is held to the block with a combination of ‘Hexagon flange stud bolts’ (شركات 27) and ‘Hexagon flange nuts’ (شركات 29, 30). هذا “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’ (شركات 15, 21) are used to secure the rigid pipes, with their “شفة” providing a built-in, anti-vibration washer.

مضخة مياه فاو J6P & Filter Parts List

The following table provides the detailed breakdown of the 21 component types associated with the مضخة مياه فاو J6P and conditioning system (from the master “منظم الحراره & مضخة مياه” group) لفاو جيفانغ CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

المواصفات الأساسية

المواصفات ل مضخة مياه فاو J6P assembly are defined by its function as the “قلب” of the engine’s cooling and conditioning system.