الدليل الكامل: وعاء زيت FAW للجرار CA4251P66K24T1A3E5

مرحبًا بك في الدليل الفني الكامل لـ مقلاة زيت فاو (الجزء لا. 1009010-99ج), the critical lubrication reservoir for the FAW Jiefang CA4251P66K24T1A3E5 6×4 جرار نصف مقطورة ديزل. This assembly is the foundation of the engine’s entire oiling system.

ال مقلاة زيت فاو is not just a simple container; it is an engineered system designed to safely store, رائع, and manage the engine’s oil supply. It ensures that the oil pump pickup is constantly submerged, even under the extreme conditions of heavy hauling, درجات حادة, and sharp turns.

يعد هذا الدليل المتعمق موردًا حيويًا للفنيين المحترفين, مديري الأسطول, ومتخصصين في قطع الغيار. سنقوم بتفكيك الكل مقلاة زيت فاو assembly into its smallest serviceable units, including the main pan, its complex internal baffling, الحشية, drain plug, وجميع السحابات المرتبطة بها.

المكون الأساسي: The Oil Pan Assembly (1009010-99ج)

The largest and most significant component is the ‘Oil Pan Assembly’ (1009010-99ج). This is the main reservoir that holds the engine’s entire supply of lubricating oil (غالباً 30+ liters in an engine of this size). It is typically manufactured from stamped, deep-draw steel or cast aluminum. A stamped steel مقلاة زيت فاو offers excellent durability against impacts, while a cast aluminum pan (which this likely is, given the complex internal structure) offers superior rigidity and heat dissipation.

تصميم مقلاة زيت فاو أمر بالغ الأهمية. ال “مستنقع” is the lowest, deepest part of the pan, designed to collect the oil and provide a deep, stable reservoir for the oil pump pickup tube. The entire pan also acts as a passive oil cooler; the hot oil returning from the engine spreads across the pan’s large surface area, and the airflow underneath the truck helps dissipate heat, maintaining the oil’s viscosity and lifespan.

A damaged مقلاة زيت فاو, whether from a road debris impact or a cracked weld, هو فشل فادح. Even a small leak can quickly drain the engine of oil, leading to catastrophic failure of the crankshaft bearings and turbocharger. السلامة الهيكلية لل مقلاة زيت فاو is fundamental to engine health.

الختم النقدي: حشية وعاء الزيت (1009031-81د)

The ‘Oil Pan Gasket’ (1009031-81د) is the single component responsible for creating a leak-proof seal between the مقلاة زيت فاو and the engine block’s “bed plate” أو “skirt.” In modern diesel engineering, this is no longer a simple cork or paper gasket.

This part is a high-tech “حساب تعريفي” طوقا. It is typically constructed as a rigid steel carrier plate, which has been stamped into the exact shape of the pan’s rail. A high-grade, المطاط الصناعي المقاوم للزيت (like silicone or FKM) is then precision-molded onto this carrier, with raised “الخرز” that trace the bolt holes and the perimeter.

This design is vastly superior to older gasket types. The steel carrier prevents the gasket from “squeezing out” أو “extruding” when the 34 pan bolts are tightened. The molded elastomer beads provide a concentrated, high-pressure seal with minimal clamping force, ensuring a durable, مقاومة للاهتزاز, and leak-free joint. هذه الحشية هي منتج يستخدم لمرة واحدة; once it has been compressed, it must be replaced to guarantee a proper seal when servicing the مقلاة زيت فاو.

Internal Baffling: Controlling Oil Surge

The most complex and arguably most important components *within* the مقلاة زيت فاو are its baffles. أ 6×4 tractor is subjected to immense G-forces: hard acceleration, heavy braking, and high-G turns. Under these conditions, ال 30+ liters of oil would “سكب” أو “طفرة” بعنف, like water in a bucket. If this surge momentarily uncovers the oil pump pickup tube, سوف تمتص الهواء. هذا “oil starvation,” even for a fraction of a second, is fatal to an engine, as it will instantly destroy the bearings.

هذا مقلاة زيت فاو features a complex, multi-part baffling system to prevent this. The parts list calls for four ‘Turning Baffles’ (1009026-81د), two ‘Front Intermediate Baffles’ (1009023-81د), and two ‘Rear Intermediate Baffles’ (1009024-81د). This total of eight internal plates creates a “trap” أو “المتاهة” around the oil sump.

The ‘Turning Baffles’ are likely the “walls” that form a box around the sump. They feature small, one-way “trap doors” that allow oil to flow *in* to the sump easily, but prevent it from sloshing *out* during a turn. The ‘Intermediate Baffles’ are plates that run along the length of the مقلاة زيت فاو, controlling the “fore-and-aft” slosh that occurs during braking and acceleration.

These baffles also serve a second function as a “windage tray.” العمود المرفقي, spinning at thousands of RPM, acts like a giant whisk, creating an oil “cloud” أو “rope” in the crankcase. هذا “windage” robs the engine of power (parasitic loss) and can overwhelm the piston’s oil control rings. These baffles are positioned to strip this oil from the air, allowing it to drain calmly back into the sump. The design of this baffling system is a key engineering feature of the مقلاة زيت فاو.

Service and Monitoring Components

The parts list includes the two primary points of service for the مقلاة زيت فاو. The ‘Oil dipstick assembly’ (1009070-99ج) is the only component used for monitoring the oil level. This assembly includes the dipstick itself (a long, flexible metal blade), the tube it sits in, and the O-ring seal on its handle to prevent crankcase pressure from escaping.

الثاني, and most frequently used, service point is the ‘Oil pan drain plug’ (1009022-29د). هذا هو واجب ثقيل, threaded bolt located at the absolute lowest point of the مقلاة زيت فاو. It is designed to allow for the complete drainage of all used engine oil during a service.

بشكل حاسم, this plug is sealed by its own ‘Gasket ring’ (CQ72320). هذا هو “غسالة سحق,” typically made of soft aluminum, نحاس, or a composite. When the drain plug is tightened, this soft ring “crushes” to form a perfect, liquid-tight seal against the pan. هذه الحشية هي منتج يستخدم لمرة واحدة. Re-using an old, work-hardened gasket ring is the #1 cause of a leaking drain plug. خدمة احترافية من مقلاة زيت فاو always includes a new gasket ring.

نظام السحابة: A Study in Clamping Force

سلامة مقلاة زيت فاو seal is entirely dependent on its fastener system. The parts list calls for two different bolts: eight units of ‘Hex flange bolt, قضيب خشن’ (Q1841225) و 26 units of ‘Hex flange bolt, قضيب خشن’ (س1840820).

This massive quantity of **34 bolts** is necessary to provide perfectly uniform clamping pressure along the entire perimeter of the gasket. The long, thin rail of a stamped steel or cast aluminum مقلاة زيت فاو is flexible; if fewer bolts were used, the pan would warp between the bolts, إنشاء أ “scalloped” leak path. The two different part numbers indicate different bolt lengths or diameters, used for specific locations on the pan (على سبيل المثال, where it passes over the main bearing cap seals).

هؤلاء “شفة” bolts are critical. The integrated washer head spreads the clamping force over a wide area, preventing the bolt head from cracking the pan’s flange or crushing the gasket unevenly. These bolts must be tightened to a low, specific torque (على سبيل المثال, 18-25 ن · م) in a precise, متعدد المراحل, crisscross pattern to ensure the مقلاة زيت فاو seats correctly.

FAW Oil Pan Parts List

الجدول التالي يوفر كامل, detailed breakdown of all components identified in the ‘Oil Pan’ رسم تخطيطي للجرار FAW CA4251P66K24T1A3E5. هذه القائمة ضرورية لأي خدمة من مقلاة زيت فاو.

المواصفات الفنية وسياق التجميع

المواصفات ل مقلاة زيت فاو are defined by its function as a high-capacity, structural oil reservoir with an advanced internal baffling system.