فاو J6P غطاء حشو المياه: تفكيك 20 الأجزاء المهمة لضغط النظام الخالي من العيوب

هذا هو التفكيك الفني الكامل لل فاو J6P غطاء حشو المياه حَشد (الفصل 38). هذا المكون, also known as the ‘Pressure cap assy’ (شركات 1), هو الأكثر أهمية “Smallest Serviceable Unit” for the entire cooling system on the FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة. It is not a simple “كاب”; it is an active “safety valve” و “مخ” of the system’s physics.

ال فاو J6P غطاء حشو المياه لديه “Dual-Valve Logic” that is essential for preventing engine damage. انها الأولى “منطق” يكون “Pressurization.” By sealing the system and holding pressure (على سبيل المثال, 15 رطل لكل بوصة مربعة), هو - هي “raises the boiling point” of the coolant from 100°C to ~120°C, منع “flash boiling” in the hot cylinder heads.

الثانية “منطق” يكون “Vacuum Relief.” عندما يبرد المحرك, the coolant contracts, creating a powerful vacuum. ال فاو J6P غطاء حشو المياه has a secondary valve that “opens” to allow coolant/air *in* from the ‘Expansion tank’ (شركات 2), preventing this vacuum from “collapsing” and destroying the radiator hoses.

This guide is a vital resource for all technicians, as a failed فاو J6P غطاء حشو المياه is often misdiagnosed as a “major” overheating problem. We will deconstruct all 20 parts in this assembly, تحليل “Pressure Logic” (the cap itself), ال “Reservoir Logic” (the tank it sits on), ال “Plumbing Logic” (the hoses it controls), و “منطق التركيب” (the brackets that secure it).

جوهر 1: ال “Dual-Valve” منطق (عنصر 1)

This component *is* the فاو J6P غطاء حشو المياه. It is the single most important component in this entire assembly for regulating the physics of the cooling system.

1. عنصر: ‘Pressure cap assy’ (1304010-50أ)
هذا (شركات 1) هو “Boiling Point Logic.” A heavy-duty diesel engine (like the one in the FAW J6P) operates under such high load that its coolant temperature often exceeds the 100°C (212° f) boiling point of water (at sea level).

ال فاو J6P غطاء حشو المياه هو “محملة بنابض” صمام. هو - هي “الأختام” the ‘Expansion tank assy’ (شركات 2) and the entire cooling system, allowing pressure to build up. هذا “Pressurization Logic” (على سبيل المثال, ل 1.0 حاجِز / 15 رطل لكل بوصة مربعة) “tricks” المبرد, raising its boiling point to ~120°C (~250°F).

هذا “Anti-Boil Logic” is what prevents “flash boiling” أو “steam pockets” from forming in the cylinder head, which would immediately stop heat transfer and cause the aluminum head to warp or crack.

ال “Dual-Valve Logic” of the FAW J6P Water Filler Cap:

1. Main Pressure Valve (Outward): هذا هو “Safety Logic.” A large spring holds this valve shut (على سبيل المثال, at 15 رطل لكل بوصة مربعة). If the pressure gets *too high* (على سبيل المثال, from a failing head gasket), this valve “vents” the excess pressure *out*, منع “المبرد فاو J6P” (الفصل 37) or hoses from exploding.

2. Vacuum Relief Valve (Inward): هذا هو “Implosion-Proof Logic.” عندما يتم إيقاف المحرك, the 90°C coolant cools and “contracts,” خلق قوية “vacuum.” هذا “فارغ” كان “مص” the ‘Radiator outlet hose’ (الفصل 37) completely flat, “imploding” هو - هي. ال فاو J6P غطاء حشو المياه has a second, smaller, “inward” valve that “opens” under this vacuum, drawing coolant *back in* from the ‘Expansion tank’ (شركات 2) to keep the system full and at neutral pressure.

جوهر 2: ال “خزان & Degassing” منطق (عنصر 2)

ال فاو J6P غطاء حشو المياه (شركات 1) does not mount to the radiator. It mounts to this component, the ‘Expansion tank assy’.

1. عنصر: ‘Expansion tank assy’ (1311020-76أ)
هذا (شركات 2) هو “Reservoir Logic” و “Air-Trap Logic.” إنه “رئة” لنظام التبريد. إنه “منطق” هو توفير “empty space” (من “دقيقة” ل “الأعلى” خط) that the expanding, hot coolant needs to “flow into.”

This is also the “Degassing Logic” مركز. All the small “degas” خراطيم (شركات 7, 8, 15) from the engine and radiator “terminate” here. هم “أحمق” air bubbles into this tank, where internal baffles “separate” the air from the coolant.

ال “Symbiotic Logic” is that the فاو J6P غطاء حشو المياه (شركات 1) *must* be at the “highest point” من النظام, which is this tank. وهذا يسمح “scavenged” air to be vented *out* of the system by the ‘Pressure cap’ when needed. هذا “cap-on-tank” design is the “Active Thermal Management” logic of the entire FAW J6P cooling system.

جوهر 3: ال “السباكة & مكافحة الغضب” منطق (The SSU)

هذه المجموعة تمثل كافة “Smallest Serviceable Units” (SSU) that “feed” the expansion tank that the فاو J6P غطاء حشو المياه controls.

1. ال “Degas & Return” منطق (خراطيم & أنابيب)
This network of “السباكة” هو “arterial system” for the tank. It includes the ‘Degas hose’ (شركات 7, 8, 15) و ‘Return water hose’ (شركات 5, 12). هذا “منطق” هو “transport” the air and coolant to/from the ‘Expansion tank’ (شركات 2).

2. ال “ختم” منطق (المشابك)
هذا هو “Leak-Proof Logic.” ويشمل ‘Banjo-type hose clamp B model’ (شركات 4, 6), "خرطوم المشبك."’ (شركات 13), و ‘Single pipe clamp’ (شركات 17). ال “Banjo-type” (T-Bolt) clamps are the “عزم دوران عالي” المشابك. A single failed clamp (على سبيل المثال, شركات 6) means a “catastrophic coolant loss.”

3. ال “مكافحة الغضب” منطق (المشابك & Ties)
هذا هو “Vibration-Proofing Logic.” It includes the ‘Dual pipe clamp assy’ (شركات 9) و ‘Plastic zip tie’ (T67420376) (شركات 14).

The six (6) "أربطة بلاستيكية مضغوطة."’ (شركات 14) نكون “Deliberate Engineering Logic.” هُم “منطق” هو “مِرسَاة” the small, flexible ‘Degas hoses’ (شركات 7, 8, 15) إلى الهيكل, preventing them from “chafing” (rubbing) against the vibrating engine. أ “chafed” hose will leak, drain the system, and render the فاو J6P غطاء حشو المياه‘s function useless, مما يؤدي إلى ارتفاع درجة الحرارة.

جوهر 4: ال “Structural Mounting” منطق (بين قوسين & البراغي)

This final group provides the “context” ل فاو J6P غطاء حشو المياه. The cap must be accessible to the driver and “isolated” from vibration.

1. ال “يدعم” منطق (عناصر 11, 18, 20)
ال ‘Expansion tank bracket assy’ (1311040-61ج) (شركات 11), ‘Bracket assy’ (1311070-14ب) (شركات 18), و ‘Bracket assy’ (1311075-14ب) (شركات 20) form the “structural cage” for the ‘Expansion tank’ (شركات 2).

هذا “منطق التركيب” ما هو “أقفال” the polymer tank (و فاو J6P غطاء حشو المياه on top of it) to the rigid steel chassis of the dump truck, منع “fatigue cracks” from vibration.

2. ال “قفل” منطق (عناصر 3, 10, 16)
ال "الترباس المختلط."’ (CQ1460825) هو “Hardware Logic.” A total of eleven (11) of these bolts (5 + 4 + 2) are used to “يؤمن” these brackets to the frame. هؤلاء “ذات حواف” (القفل الذاتي) bolts are “Vibration-Proof Logic,” ensuring the entire assembly (صهريج, كاب, and all) never rattles loose.

فاو J6P غطاء حشو المياه & Expansion Tank Parts List

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 20 أنواع المكونات في فاو J6P غطاء حشو المياه and expansion tank assembly (الفصل 38) لفاو جيفانغ CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

المواصفات الأساسية

المواصفات ل فاو J6P غطاء حشو المياه system are defined by its function as the active pressure and vacuum regulator for the entire cooling circuit.