FAW حاجب الشمس الأمامي: ال 3 أسرار أساسية خالية من الوهج, القيادة في جميع الأحوال الجوية

مرحبًا بكم في هذا التفصيل المهم للسلامة والراحة لـ FAW حاجب الشمس الأمامي حَشد (حَشد 704). هذا هو الكامل, 3-نوع المكون, الداخلية “glare shield” نظام FAW Jiefang CA4251P66K24T1A3E5 6×4 جرار نصف مقطورة ديزل. هذه ليست مجرد أ “راحة” item; it is a primary, active safety device. جوهرها “منطق” is to give the driver a tool to instantly combat “flash blindness” from low-angle sun (sunrise/sunset), a leading cause of highway accidents.

ال FAW حاجب الشمس الأمامي system has a “المنطق المزدوج” وظيفة. Beyond its primary safety logic, it is also a key “مريح” عنصر. It provides a 2-axis pivot (down and to the side) to block glare from the front windscreen or the side door window. بالإضافة إلى, it serves as a “NVH” (ضوضاء, اهتزاز, قسوة) عنصر, designed with a “soft-padded” body and “المضادة للاهتزاز” fasteners to ensure a silent, rattle-free ride.

This in-depth guide is an essential resource for cab technicians and parts managers. سنقوم بتفكيك الكل FAW حاجب الشمس الأمامي التجمع فيه 3 أنواع مكونات قابلة للخدمة متميزة. سنقوم بتحليل “2-axis” pivot logic of the ‘Sun visor assy’ (عناصر 1 & 2), والحرجة “آمن للبوليمر” منطق السحابة (عنصر 3) that anchors it to the cab’s structural roof.

جوهر 1: “Dual-Axis” Glare & منطق السلامة (عناصر 1 & 2) (ال “أطول” الوحدة النمطية)

المكونات الأساسية لل FAW حاجب الشمس الأمامي assembly are the ‘Left front sun visor assy’ (8204015-أ01) and the ‘Right front sun visor assy’ (8204020-أ01). These are the main serviceable units. هُم “منطق” is a 3-part system of safety, ergonomics, and material science.

1. ال “Anti-Glare” منطق السلامة:

This is the component’s #1 وظيفة. “Flash blindness” from a low-angle sun is a primary cause of collisions. ال “منطق” التابع FAW حاجب الشمس الأمامي is to provide an opaque, easily-deployable shield. Its large surface area is designed to block the sun’s glare without obstructing the driver’s view of the road, "مجموعة الأدوات".’ (589), or the ‘Wing Mirrors’ (702/703).

2. ال “Dual-Axis” المنطق المريح:

The sun is not stationary. لذلك, ال “منطق” of this assembly is “dual-axis” حركة:

• Axis 1 (Down): The visor is mounted on a primary “hinge” أو “pivot rod.” This allows it to swing *down* 90 degrees to block glare from the ‘Front Windscreen’ (630).
• Axis 2 (جانب): The pivot rod itself is designed to “un-clip” from its outer “retaining” مقطع. This allows the driver to swing the *entire* FAW حاجب الشمس الأمامي to the side, positioning it against the ‘Side Window’ (634) to block sun from the left (or right).

هذا “dual-axis” logic provides total glare protection. The internal pivot mechanism contains a “حاجز” أو “القابض,” a friction-based “منطق” that holds the visor securely in any position, منعه من “ترهل” أو “flopping” down on rough roads.

3. ال “Head Impact” المنطق المادي:

This serviceable unit is not a solid, hard piece of plastic. إنه “منطق” يكون “safety-padding.” It is a composite assembly:

• جوهر: A rigid, molded polymer “هيكل عظمي” أو “حديد التسليح” that provides the shape and strength.
• Padding: A layer of “امتصاص الطاقة” رغوة.
• غطاء: دائم, مقاومة للأشعة فوق البنفسجية, easy-to-clean vinyl or textile “جلد.”

هذا “soft-padded” logic is a critical “head-impact” safety feature. في حادث تصادم, this component is designed to “معجب” and absorb energy, reducing the severity of a head injury. This is a key part of the cab’s passive safety system.

جوهر 2: إمكانية الخدمة & أوضاع الفشل

ال FAW حاجب الشمس الأمامي is a high-use, high-wear component, and its failure “منطق” is almost always mechanical or cosmetic.

وضع الفشل 1: ال “Droop” (Pivot Failure). هذا هو #1 شكوى. The internal “حاجز” أو “القابض” mechanism in the pivot rod wears out. ال “منطق” of this failure is that the friction is lost. The visor will no longer “stay up” against gravity and its own weight, “تدلى” into the driver’s field of vision and causing a dangerous obstruction.

وضع الفشل 2: “Rattle” (Outer Clip Failure). The outer (non-pivot) “retaining clip” is a small plastic part. متأخر , بعد فوات الوقت, it can crack or lose its “لقط” منطق. This leaves the visor “un-clipped” على جانب واحد, السماح لها بذلك “شرب حتى الثمالة” أو “حشرجة الموت” ضد المتصدر, causing a major NVH annoyance.

وضع الفشل 3: Cosmetic. The vinyl “جلد” can crack or “delaminate” (peel) from years of UV/heat exposure, or a vanity mirror (إذا كانت مجهزة) can crack.

منطق الخدمة: In all these cases, the ‘Front sun visor assy’ (8204015-A01 or 8204020-A01) is the serviceable part. إنها وحدة مختومة. A technician simply removes the fasteners (عنصر 3), unplugs the vanity light wire, and installs the new unit.

جوهر 3: ال “بوليمر آمن” المنطق السحابي (عنصر 3)

The final component in the FAW حاجب الشمس الأمامي assembly is the ‘Cross recessed pan head self-tapping screw’ (CQ2714819F6). قائمة الأجزاء تدعو إلى ثمانية (8) من هؤلاء.

منطق التركيب: كمية 8 هو “منطق” for a robust, 4-point-per-visor installation. This likely consists of 3 screws for the main “pivot” قوس (to handle the torque) و 1 screw for the outer “retaining” مقطع.

“التنصت على الذات” منطق: هذا هو “آمن للبوليمر” منطق. A cab’s headliner and roof structure often use polymer or composite mounting bosses. أ “التنصت على الذات” screw is hardened and designed to *cut its own threads* as it’s driven in.

هذا “منطق” أمر ضروري. It creates a tight, deep, vibration-resistant thread *without* the need for a separate, fragile metal “بندق” to be molded into the plastic, which could strip or crack. This fastener is the “منطق” that ensures the FAW حاجب الشمس الأمامي has a rock-solid, “factory-tight” mount that will not rattle or work itself loose.

FAW Front Sun Visor Parts List & تحديد

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 3 أنواع المكونات المحددة في FAW حاجب الشمس الأمامي التجميع للجرار FAW CA4251P66K24T1A3E5.

تحديد

المواصفات ل FAW حاجب الشمس الأمامي يتم تعريفها من خلال وظيفتها باعتبارها السلامة الحرجة, مريح “anti-glare” و “head-impact” عنصر.