فاو ممسحة الزجاج الأمامي: لماذا يعتبر هذا النظام المكون من 3 أجزاء أداة السلامة الأكثر أهمية بالنسبة لك

Welcome to this critical safety breakdown of the فاو ممسحة الزجاج الأمامي حَشد. This system is the primary active safety feature for the FAW Jiefang CA4251P66K24T1A3E5 6×4 جرار نصف مقطورة ديزل. Its function is non-negotiable: to provide the driver with a clear, unobstructed field of vision in adverse weather conditions, including rain, الثلج, and road spray.

ال “تجميع المنطق” ل فاو ممسحة الزجاج الأمامي (P/N 5205010-A01 / 5205010AA01) is far more than just the wiper blades. إنه كامل, تم تجميعها مسبقًا, and timed electro-mechanical system. هذا “منطق” unit includes the wiper motor, a complex pantograph linkage, and the pivot shafts, all as a single part. This design ensures perfect, synchronized wiper geometry and high reliability.

This in-depth guide is essential for technicians and fleet managers. سنقوم بتفكيك الكل فاو ممسحة الزجاج الأمامي system into its three primary component types. سنقوم بتحليل “الصندوق الأسود” logic of the main ‘Wiper assy’ (the primary MSU), and the two sets of critical, anti-vibration fasteners (وحدات التخزين المتنقلة 2 & 3) that secure the system to the cab and the arms to the pivots.

The 3-Part Functional Logic of the Wiper System (ال “أطول” الوحدة النمطية)

To understand the فاو ممسحة الزجاج الأمامي حَشد (5205010-أ01), you must deconstruct it into its three core “منطق” أنظمة, which are all combined into one MSU: the Motor, the Linkage, and the Arms/Blades.

1. The Motor & وحدة نقدية أوروبية “منطق” (ال “مخ”)

قلب ال فاو ممسحة الزجاج الأمامي is its 24V DC electric motor. هذه ليست بسيطة “تشغيل/إيقاف” محرك; it is an intelligent “منطق” وحدة.

Intermittent & Speed Logic: The motor housing contains a small Electronic Control Unit (وحدة نقدية أوروبية) or a set of complex relays. عندما يختار السائق “intermittent,” this module’s “منطق” يتولى المسؤولية, using a timer to cycle the wipers every few seconds. متى “قليل” أو “عالي” speed is selected, this module sends power to different “brushes” (windings) in the motor to change its rotational speed.

ال “Park” منطق: The most critical logic is the “park” وظيفة. Ever wonder how wipers always stop at the bottom? Inside the motor’s gearbox is a cam and a “park switch.” When the driver turns the wipers “Off,” the motor *does not* lose power. The park switch “منطق” provides a *second* path for power, keeping the motor running. The motor continues to turn until a “notch” on the cam hits the switch, which physically cuts this second power path. هذا “notch” is precisely located to stop the motor *exactly* when the wiper arms are at their lowest “parked” موضع. A failure of this switch is why “bad” wipers stop in the middle of the windscreen.

2. The Pantograph Linkage “منطق” (ال “العضلات”)

The motor creates a rotary (spinning) حركة. The wipers need a back-and-forth (oscillating) حركة. ال “منطق” that converts this is the linkage.

هذا فاو ممسحة الزجاج الأمامي uses a “pantograph” الربط. This is a complex system of pre-timed, pre-greased metal arms and pivot joints. The motor spins a short crank arm, which pushes and pulls this “pantograph” نظام. هذا “منطق” أمر ضروري لكبيرة, flat tractor windscreen. بسيطة “single-pivot” نظام (like on an old car) would leave a huge, un-wiped “مثلث” at the top corners.

The pantograph “منطق” ensures the two wiper arms move in a perfect, parallel, or tandem “sweep,” clearing the maximum possible area. This entire linkage is the main component of the 5205010-A01 assembly, as it is sealed and timed at the factory.

3. The Arm & Blade “منطق” (ال “Contact Patch”)

Though not in this specific parts list (they are separate MSUs), ال “منطق” التابع فاو ممسحة الزجاج الأمامي is completed by the arms and blades. The wiper *arms* are spring-loaded. هذا “spring logic” أمر بالغ الأهمية; it applies several pounds of precise, downward pressure, forcing the rubber blade to conform to the curve of the glass. A weak spring is why old wipers “chatter” أو “skip” بسرعة عالية.

The wiper *blade* is the final MSU. إنه “منطق” is a flexible, “ممسحة مطاطية” edge. It is designed to “flip” its angle of attack on each direction of the wipe, ensuring a clean, streak-free removal of water.

جامعة ولاية ميشيغان 1: The ‘Wiper Assy’ (5205010-أ01 / 5205010AA01)

هذا هو المكون الأساسي لل فاو ممسحة الزجاج الأمامي نظام. The ‘Wiper assy’ is the entire, تم تجميعها مسبقًا, “الصندوق الأسود” unit containing both the motor and the linkage, as described above. The two part numbers likely refer to a “قاعدة” model and an “upgraded” (AA01) نموذج, or a slight design revision.

منطق الخدمة: ال “منطق” of this part being a single MSU is serviceability. The internal gears of the motor are greased for life. The pantograph linkage is precisely timed and its joints are sealed. It is not designed to be repaired in the field.

A technician does not waste hours trying to diagnose a faulty “park switch” or a stripped plastic gear inside the motor. ال “منطق” is to treat the entire assembly as one part.

أوضاع الفشل:

• Motor Burnout: ال #1 فشل. Caused by running the wipers when they are frozen to the glass, which overloads and burns out the motor windings.
• Stripped Gears: The motor’s worm gear (معدن) drives a large plastic gear (ذبيحة). A heavy snow load can strip the teeth off this gear, مما أدى إلى أ “الطنين” sound but no wiper movement.
• Seized Linkage: Water ingress into the pivot joints can cause rust, seizing the linkage. The motor will try to move, but the linkage is stuck, often blowing the main wiper fuse.

In all these cases, the service “منطق” is to replace the entire فاو ممسحة الزجاج الأمامي حَشد (5205010-أ01) as a single MSU.

وحدات التخزين المتنقلة 2 & 3: ال “المضادة للاهتزاز” المنطق السحابي

ال فاو ممسحة الزجاج الأمامي is a high-torque system that is constantly starting, stopping, and changing direction. This creates immense vibration. The fastener “منطق” is designed *specifically* to combat this.

جامعة ولاية ميشيغان 2: "الترباس المختلط."’ (CQ1460825F6) – الكمية 6

ال “منطق” of these six bolts is to mount the entire ‘Wiper assy’ (جامعة ولاية ميشيغان 1) to the cab’s firewall/cowl structure. هذا هو “ثلاث نقاط” نظام التركيب, with two bolts per point, or a six-point system.

ال “مزيج” (مزيج) logic is critical. These bolts have a *captive, غسالة القفل المرفقة مسبقًا* (either a spring washer or serrated head). This lock washer provides constant tension, biting into the metal of the wiper bracket and the cab body. هذا “المضادة للاهتزاز” logic is essential to prevent the motor and linkage from shaking loose, which would destroy the wiper geometry.

جامعة ولاية ميشيغان 3: 'صامولة قفل شفة الرأس السداسية’ (Q032608) – الكمية 2

ال “منطق” of these two nuts is to fasten the *wiper arms* onto the splined shafts of the pivots. A wiper arm *must* be mounted on a cone-shaped, splined (grooved) shaft so it can’t slip.

This nut provides the “قوة لقط” that “لدغات” the soft metal of the arm onto the hardened steel spline. But its most important “منطق” is that it is a **”شفة قفل الجوز”**.

• شفة: Acts as an integrated washer to spread the load on the arm.
• قفل: هذا هو “عزم الدوران السائد” أو “نيلوك” بندق. It has a nylon insert that binds to the threads. This guarantees the nut cannot vibrate loose from the 1,000,000+ oscillations a wiper makes in its life.

Both fastener types are critical MSUs. The lock nuts (Q032608) are **single-use**. They must be replaced every time the wiper arms are removed.

FAW Windscreen Wiper Parts List & تحديد

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 3 أنواع المكونات المحددة في فاو ممسحة الزجاج الأمامي التجميع للجرار FAW CA4251P66K24T1A3E5.

تحديد

المواصفات ل فاو ممسحة الزجاج الأمامي يتم تعريفها من خلال وظيفتها باعتبارها السلامة الحرجة, electro-mechanical system. All fasteners are high-tensile, anti-vibration components.