Передний солнцезащитный козырек FAW: The 3 Основные секреты защиты от бликов, Всепогодное вождение

Welcome to this critical safety and ergonomic breakdown of the Передний солнцезащитный козырек FAW сборка (Сборка 704). Это полный, 3-тип компонента, interior “glare shield” system for the FAW Jiefang CA4251P66K24T1A3E5 6×4 дизельный полуприцеп тягач. This is not just a “комфорт” элемент; it is a primary, active safety device. Его ядро “логика” is to give the driver a tool to instantly combat “flash blindness” from low-angle sun (sunrise/sunset), a leading cause of highway accidents.

The Передний солнцезащитный козырек FAW system has a “двойная логика” функция. Beyond its primary safety logic, it is also a key “эргономичный” компонент. It provides a 2-axis pivot (down and to the side) to block glare from the front windscreen or the side door window. Более того, it serves as a “ШВХ” (Шум, Вибрация, Резкость) компонент, designed with a “soft-padded” body and “антивибрационный” fasteners to ensure a silent, rattle-free ride.

This in-depth guide is an essential resource for cab technicians and parts managers. Мы разберем всю Передний солнцезащитный козырек FAW сборка в свой 3 distinct serviceable component types. Мы проанализируем “2-axis” pivot logic of the ‘Sun visor assy’ (Компоненты 1 & 2), и критический “polymer-safe” логика крепления (Компонент 3) that anchors it to the cab’s structural roof.

Основной 1: “Dual-Axis” Glare & Логика безопасности (Компоненты 1 & 2) (The “дольше” Модуль)

Основные компоненты Передний солнцезащитный козырек FAW assembly are the ‘Left front sun visor assy’ (8204015-А01) and the ‘Right front sun visor assy’ (8204020-А01). These are the main serviceable units. Их “логика” is a 3-part system of safety, ergonomics, and material science.

1. The “Anti-Glare” Логика безопасности:

This is the component’s #1 функция. “Flash blindness” from a low-angle sun is a primary cause of collisions. The “логика” принадлежащий Передний солнцезащитный козырек FAW 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, the ‘Instrument Cluster’ (589), or the ‘Wing Mirrors’ (702/703).

2. The “Dual-Axis” Эргономичная логика:

The sun is not stationary. Поэтому, а “логика” of this assembly is “dual-axis” движение:

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

Этот “dual-axis” logic provides total glare protection. The internal pivot mechanism contains a “detent” или “схватить,” a friction-based “логика” that holds the visor securely in any position, предотвращая это от “sagging” или “flopping” down on rough roads.

3. The “Head Impact” Материальная логика:

This serviceable unit is not a solid, hard piece of plastic. Его “логика” является “safety-padding.” It is a composite assembly:

• Основной: A rigid, molded polymer “скелет” или “арматура” that provides the shape and strength.
• Padding: A layer of “energy-absorbing” мыло.
• Крышка: A durable, UV-resistant, easy-to-clean vinyl or textile “skin.”

Этот “soft-padded” logic is a critical “head-impact” safety feature. При столкновении, this component is designed to “раздавить” and absorb energy, reducing the severity of a head injury. This is a key part of the cab’s passive safety system.

Основной 2: Удобство обслуживания & Failure Modes

The Передний солнцезащитный козырек FAW is a high-use, high-wear component, and its failure “логика” is almost always mechanical or cosmetic.

Режим отказа 1: The “Droop” (Pivot Failure). Это #1 complaint. The internal “detent” или “схватить” mechanism in the pivot rod wears out. The “логика” of this failure is that the friction is lost. The visor will no longer “stay up” against gravity and its own weight, “drooping” into the driver’s field of vision and causing a dangerous obstruction.

Режим отказа 2: “Rattle” (Outer Clip Failure). The outer (non-pivot) “retaining clip” is a small plastic part. Через некоторое время, it can crack or lose its “clamping” логика. This leaves the visor “un-clipped” on one side, allowing it to “гул” или “греметь” against the headliner, causing a major NVH annoyance.

Режим отказа 3: Cosmetic. The vinyl “skin” can crack or “delaminate” (peel) from years of UV/heat exposure, or a vanity mirror (if equipped) can crack.

Service Logic: In all these cases, the ‘Front sun visor assy’ (8204015-A01 or 8204020-A01) is the serviceable part. It is a sealed unit. A technician simply removes the fasteners (Компонент 3), unplugs the vanity light wire, and installs the new unit.

Основной 3: The “Polymer-Safe” Логика крепления (Компонент 3)

The final component in the Передний солнцезащитный козырек FAW assembly is the ‘Cross recessed pan head self-tapping screw’ (CQ2714819F6). The parts list calls for eight (8) of these.

Монтаж логики: Количество 8 это “логика” for a robust, 4-point-per-visor installation. This likely consists of 3 screws for the main “pivot” кронштейн (to handle the torque) и 1 screw for the outer “retaining” clip.

“Self-Tapping” Логика: Это “polymer-safe” логика. A cab’s headliner and roof structure often use polymer or composite mounting bosses. А “саморез” screw is hardened and designed to *cut its own threads* as it’s driven in.

Этот “логика” имеет важное значение. It creates a tight, deep, vibration-resistant thread *without* the need for a separate, fragile metal “орех” to be molded into the plastic, which could strip or crack. This fastener is the “логика” что обеспечивает Передний солнцезащитный козырек FAW has a rock-solid, “factory-tight” mount that will not rattle or work itself loose.

FAW Front Sun Visor Parts List & Технические характеристики

В следующей таблице представлена ​​полная, подробная разбивка всех 3 типы компонентов, указанные в Передний солнцезащитный козырек FAW в сборе для трактора FAW CA4251P66K24T1A3E5.

Технические характеристики

Технические характеристики Передний солнцезащитный козырек FAW определяются по своей функции как критически важное для безопасности, эргономичный “anti-glare” и “head-impact” компонент.