نظام إمداد الوقود FAW J6P: تفكيك 50 الأجزاء المهمة للحقن الدقيق

مرحبا بكم في هذا التفكيك الخبير لل نظام إمداد الوقود FAW J6P (الفصل 23). هذا هو الكامل “السكك الحديدية المشتركة ذات الضغط العالي” (هبكر) تجميع FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

This is not a simple fuel line; إنه معقد “تجميع المنطق” ل 50 أنواع المكونات, engineered for one purpose: to create and control immense pressure.

ال “منطق” من هذا نظام إمداد الوقود FAW J6P is to draw fuel, filter it, pressurize it to over 25,000 رطل لكل بوصة مربعة, and inject it as a microscopic, atomized mist directly into the cylinders at the precise microsecond it is needed.

ال “Common Rail Logic” is what defines this نظام إمداد الوقود FAW J6P. Unlike old systems, the ‘Fuel injection pump’ (شركات 1) does not *time* the injection; it only “generates pressure.” This immense pressure is stored in the “السكك الحديدية المشتركة” (the high-pressure pipes, شركات 35-42). هذا “منطق” allows the ‘Injectors’ (شركات 18) to be electronically controlled, independent of the pump. هذا “Multi-Shot Injection Logic” (firing multiple, tiny injections per power stroke) is what gives the engine its quiet operation, its low-end torque, its fuel efficiency, and its low emissions.

This expert guide is an essential resource for engine technicians, fuel system specialists, ومديري قطع الغيار. We will deconstruct the entire 50-component group into its four primary “منطق” أنظمة: ال “الضغط المنخفض & Filtration Logic” (the priming pump and filter), ال “High-Pressure Generation Logic” (the main injection pump), ال “High-Pressure Distribution Logic” (the common rail pipes), والحرجة “Injection & Return Logic” (the injectors and return lines). هذا هو الدليل الكامل ل نظام إمداد الوقود FAW J6P.

جوهر 1: ال “الضغط المنخفض & الترشيح” منطق (شركات 28, 49)

هذه المجموعة “منطق” is to pull fuel from the tank, “prime” النظام, and provide “Absolute Filtration” before the fuel ever reaches the expensive high-pressure pump.

1. عنصر: ‘Rotary-style hand-priming pump assy’ (1117010-29د)
هذا (شركات 49) هو “منطق الخدمة.” ال نظام إمداد الوقود FAW J6P يكون “self-bleeding” during normal operation, but after a filter change, the lines are full of air. هذا “hand-priming” pump’s “منطق” is to allow a technician to manually *pull* fuel from the tank, *push* it through the ‘Fuel filter’ (شركات 28), and *bleed* all the air out of the system. Starting the engine with air in the lines can damage the high-pressure pump.

2. عنصر: ‘Fuel filter assy’ (1012010-36د)
هذا (شركات 28) هو “System Protection Logic.” هذا هو “gatekeeper” للكامل نظام إمداد الوقود FAW J6P. السكك الحديدية المشتركة ذات الضغط العالي (هبكر) components have tolerances measured in *microns*. A single grain of sand or a drop of water will *instantly* destroy the ‘Fuel injection pump’ (شركات 1) or the ‘Injectors’ (شركات 18). هذا “Absolute Filtration Logic” means this filter must remove 99.9% of all water (via an integrated separator) and all particulate matter down to 2-5 ميكرون. رخيصة, low-quality filter is the number one cause of نظام إمداد الوقود FAW J6P فشل.

جوهر 2: ال “High-Pressure Generation” منطق (The HPCR Pump)

تمثل هذه المجموعة “عضلة” التابع نظام إمداد الوقود FAW J6P. Its sole function is to generate over 25,000 PSI of fuel pressure.

1. عنصر: ‘Fuel injection pump assy’ (1111010C31E)
هذا (شركات 1) هو “Pressure Logic.” This is a high-precision, “النزوح الإيجابي” مضخة (likely a 3-piston radial pump). It takes the “low-pressure” (60-90 رطل لكل بوصة مربعة) fuel from the filter (شركات 28) and compresses it to an immense 25,000+ رطل لكل بوصة مربعة. إنه “self-lubrication” logic is that it uses the diesel fuel itself as its *only* lubricant. This is another reason why the ‘Fuel filter’ (شركات 28) is so critical.

2. عنصر: ‘Fuel injector drive gear’ (1111216-59د)
هذا (شركات 7) هو “Drive Logic.” This high-pressure pump is not electric. إنها “gear-driven” directly from the engine’s internal “Timing Gear Train.” هذا “Gear-Drive Logic” هو “life-of-the-engine” حل, as it is 100% reliable and perfectly timed with the engine’s rotation.

3. عناصر: ‘Support-fuel injection pump’ (1111101-31ه) & ‘Bracket’ (1111102-29د)
These brackets (شركات 31 & 34) هي “Alignment Logic.” The ‘Drive gear’ (شركات 7) must mesh *perfectly* with the engine’s timing gear. These heavy-duty, cast brackets bolt to the engine block and provide a rigid, precision-machined mounting flange that guarantees this perfect alignment.

4. عناصر: ‘Lube oil pipe assy’ (1104060-29د) & ‘Hollow bolt’ (1104066-367)
هذا (شركات 10 & 11) هو “Pump Lubrication Logic.” While the *pumping* side of the HPCR pump is fuel-lubricated, إنه “يقود” جانب (with its own bearings and camshaft) is lubricated by *engine oil*. This pipe’s “منطق” هو “مقبض” clean oil from the engine block and feed it directly to the pump’s bearings, ensuring its long-term durability. This is a critical link for the نظام إمداد الوقود FAW J6P.

جوهر 3: ال “High-Pressure Distribution” منطق (The Common Rail)

This group forms the “السكك الحديدية المشتركة” نفسها. إنه “منطق” هو بمثابة “pressure reservoir” أو “accumulator,” storing the 25,000+ PSI from the pump and distributing it to all six injectors.

1. عناصر: ‘High-pressure fuel pipe assy’ (اسطوانة 1-6) (1129010… ل …1129060-31ه)
هؤلاء (شركات 35-40) are the six individual “injector lines.” These are the most critical pipes in the نظام إمداد الوقود FAW J6P. هُم “منطق” يكون “Identical Length.” They are *all* precisely bent to be the exact same length. This is crucial. If one pipe were shorter, ال “pressure waves” from the injector firing would be different, causing Cyl 1 to get a different pressure “نبض” than Cyl 6. By making them identical, ال “pressure-wave logic” is balanced, ensuring every cylinder gets the *exact* same fuel, for a smooth, balanced engine.

2. عناصر: ‘High-pressure fuel pipe clip/base/gasket’ (1129100-29د, إلخ.)
هذه المجموعة (شركات 41-48) هو “NVH & Safety Logic.” The six high-pressure pipes (شركات 35-40) “throb” violently with every injection event. If allowed to touch each other or the engine, they would “الغضب,” vibrate, and develop a “fatigue crack.” A high-pressure fuel leak at 25,000 PSI is not a “تقطر”—it is an *atomized*, highly-flammable mist that will instantly cause a massive engine fire. ال “منطق” of these clips and brackets is to hold every pipe perfectly rigid and isolated, preventing this critical failure in the نظام إمداد الوقود FAW J6P.

جوهر 4: ال “Injection & Return” منطق (The Injector)

هذه المجموعة النهائية “منطق” is to perform the “final event”: injecting the high-pressure fuel into the cylinder.

1. عنصر: ‘Injector’ (1112010-31ه)
هذا (شركات 18) هو “Atomization Logic.” It is a high-speed, electronically-controlled (الملف اللولبي أو بيزو) needle valve. When the ECU commands, it opens for a few *microseconds*. ال 25,000+ PSI pressure forces the fuel through microscopic holes in its nozzle, “atomizing” it into a vapor-like mist that ignites instantly for maximum power.

2. ال “ختم” منطق: ‘Injector gasket’ (1112306-29د) & "يا الدائري."’ (1112014-29د)
The injector (شركات 18) must be sealed from two things. الحشية’ (شركات 17) is a copper “غسالة سحق” في الأسفل. إنه “منطق” هو ختم 2000+ PSI of *combustion pressure* out. The ‘O-ring’ (شركات 19) is a rubber seal at the top. إنه “منطق” is to seal the low-pressure “fuel return” *in*, preventing fuel from leaking onto the hot engine.

3. ال “لقط” منطق: ‘Injector presser plate’ (1112013-29د) & "بولت."’ (1112011-29د)
هذا “منطق الكبح” is what holds the injector in its bore. "الترباس."’ (شركات 21) pulls up on the ‘Presser plate’ (شركات 20), which pivots and creates a high “downward” force on the injector. This force is what “crushes” the ‘Gasket’ (شركات 17) to create the combustion-proof seal.

4. ال “Return” منطق: ‘Fuel injector return pipe assy’ (1104050-29د)
هذا (شركات 13) هو “Bypass Cooling Logic.” The HPCR pump and injectors “تجاوز” a large amount of fuel to cool and lubricate their own moving parts. This ‘Return pipe’ “منطق” is to collect all this “used” fuel from the injectors and the pump and route it safely back to the fuel tank. This is a vital part of the نظام إمداد الوقود FAW J6P‘s thermal management.

FAW J6P Fuel Supply System Parts List & تحديد

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 50 أنواع المكونات في نظام إمداد الوقود FAW J6P لفاو جيفانغ CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

المواصفات الأساسية

المواصفات ل نظام إمداد الوقود FAW J6P are defined by its function as a high-pressure common rail (هبكر) نظام الحقن.