Защита вентилятора FAW J6P: Деконструкция 46 Важные детали для безупречного управления воздушным потоком

This is an expert technical deconstruction of the Защита вентилятора FAW J6P (also known as the ‘Fan shroud’, Комп 2) and its 45-part mounting assembly from Chapter 37. This system is critical to the thermal management of the FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал. This component is not a simple “сторожить”; it is an “Аэродинамическая логика” инструмент.

The Защита вентилятора FAW J6P создает “vacuum tunnel,” forcing the engine fan (see Chapter 20) to pull 100% of its air *through* the ‘Radiator assy’ (Комп 1). Без этого савана, a fan is extremely inefficient, pulling air from the “path of least resistance” (the sides) и “stalling.” Этот “Airflow Funnel Logic” is the difference between peak cooling and catastrophic overheating.

This guide is essential for fleet technicians and parts specialists. The Защита вентилятора FAW J6P is made of a composite polymer, и его #1 enemy is vibration, which causes fatigue cracks. We will deconstruct the entire 46-part system, сосредоточив внимание на “Airflow Logic” (the guard itself), а “Heat Exchange Context” (the radiator it serves), и “Anti-Vibration Logic” (the complex web of brackets, tie-rods, and fasteners that protect it).

Основной 1: The “Airflow Funnel” Логика (Компонент 2)

Этот компонент является “hero” этой ассамблеи. All other 45 parts are in service to this component’s function.

1. Компонент: ‘Fan shroud’ (1309010-14Б)
Этот (Комп 2) *is* the Защита вентилятора FAW J6P. Его “Аэродинамическая логика” is more complex than it appears. It is not a simple “коробка” или “guard.” It is an engineered “shroud” или “туннель” designed to optimize airflow.

The “Tip Clearance Logic” is the most critical design element. This refers to the *tiny, precise gap* between the ends of the fan blades and the inner “туннель” принадлежащий Защита вентилятора FAW J6P. If this gap is too large, воздух “recirculates” from the high-pressure side back to the low-pressure side, “stalling” the fan and destroying its efficiency.

Этот “Vacuum Logic” is its entire purpose. The Защита вентилятора FAW J6P создает “sealed” среда, forcing the fan to pull a “vacuum” *across the entire surface area* of the ‘Radiator assy’ (Комп 1) плавники. This ensures even cooling and prevents “hot spots.”

“Материальная логика” также является ключевым. This part is made from a “glass-reinforced polymer” (a composite). It must be lightweight, but also rigid enough to not “гибкий” или “warp” from the 100°C+ heat radiating off the engine. It must also absorb constant, высокочастотная вибрация.

The “Failure Mode Logic” является “fatigue cracking.” A heavy-duty truck chassis flexes constantly. This vibration is the #1 enemy of the Защита вентилятора FAW J6P. A small crack, starting from a mounting bolt, воля “паук” across the shroud, breaking the “vacuum seal” and causing an immediate, drastic loss in cooling performance.

Основной 2: The “Теплообмен” Контекст (Компонент 1)

The Защита вентилятора FAW J6P is useless without the component it is designed to “serve”: the ‘Radiator assy’.

1. Компонент: ‘Radiator assy’ (1301010-14Б)
Этот (Комп 1) это “Heat Exchange Logic.” Это большой, passive “heat sink” for both the engine coolant and the turbocharger’s “charge air” (via the intercooler). Как “passive” устройство, it relies 100% on *airflow* to dissipate heat.

The “Symbiotic Logic” в том, что Защита вентилятора FAW J6P (Комп 2) is *mounted directly* to the frame of the ‘Radiator assy’ (Комп 1). Его дизайн “уплотнения” it against the radiator’s edges. Этот “Matched Set Logic” ensures that any air pulled by the fan *must* first pass *through* the radiator’s fins.

The survival of the Защита вентилятора FAW J6P is therefore directly “tied” to the survival of the radiator. The radiator provides the “mounting-face” и “structural support” for the fan shroud.

Основной 3: The “Антивибрационный” Монтаж логики (The Guard’s Life Support)

This group represents the complex “Vibration Isolation Logic.” Since the Защита вентилятора FAW J6P является (хрупкий) composite and the chassis/engine (вибрирующий) is steel, this system is what prevents the Защита вентилятора FAW J6P от “shaking” itself to pieces.

1. The “Логика изоляции” (Компоненты 11, 12, 13)
The entire ‘Radiator assy’ (which holds the fan guard) sits on a ‘Radiator bottom crossmember assy’ (1302030-61Б). Этот “полка” is held by the ‘Radiator left support’ (1302027-70ты) и ‘Radiator right support’ (1302028-70ты). Эти “поддерживает” use large rubber “isolator” втулки (see Chapter 38) к “damp” the raw vibration from the frame.

2. The “Anti-Sway Logic” (Компоненты 18, 19)
Это “Shearing Force Logic” защита. The ‘Tie rod assy’ (1302050-01) и ‘Tie rod upper support’ (1302041-14Б) are diagonal stabilizers. Когда грузовик врезается в выбоину, шасси “flexes.” These tie rods prevent the radiator and the attached Защита вентилятора FAW J6P from being “twisted” или “swayed,” which would cause an instant “усталостная трещина.”

3. The “Frame Logic” (Компоненты 8, 22, 26, 33, 35)
Этот “сеть” of steel (‘Radiator connecting plate’ (1301020-61Б), ‘Radiator support plate’ (1302040-14Б), и т. д.) это “Structural Logic.” It creates a “rigid cage” around the “изолированный” радиатор, providing the secure mounting points for the Защита вентилятора FAW J6P.

Основной 4: The “Системная интеграция” Логика (SSU & Plumbing)

This final group includes all “Smallest Serviceable Units” (SSU) и “Plumbing” that must co-exist with the Защита вентилятора FAW J6P.

1. The “Логика крепления” (Болты, Орехи, Шайбы)
This includes all “Hardware Logic,” такой как ‘Болт с шестигранной головкой’ (Q1840816, Q1841230, и т. д.), «Комбинированный болт’ (CQ1460820), и ‘Hexagon nuts’ (CQ34010, CQ34008, и т. д.). Это “Виброустойчивая логика” крепежные детали.

A single loose bolt (НАПРИМЕР., Комп 7, который держит Защита вентилятора FAW J6P‘s support plate) создаст “vibration hot spot” и “hammer” the composite shroud until it cracks. This is why high-tensile, “фланцевый” (self-locking) hardware is essential.

2. The “Plumbing Logic” (Шланги & Зажимы)
This group includes all the hoses (‘Radiator inlet hose’ (1303011-14Б), ‘Radiator outlet hose’ (1303021-14Б), и т. д.) and their high-torque ‘Banjo-type hose clamps’ (CQ67670B, и т. д.).

The “Routing Logic” of this plumbing is designed *around* the Защита вентилятора FAW J6P. The hoses must be “гибкий” to absorb the vibration between the “двигатель” и “радиатор” сборка. They are routed to clear the shroud and, что еще более важно, а “spinning” вентилятор (Глава 20) *inside* the shroud.

Защита вентилятора FAW J6P & Mounting Assembly Parts List

В следующей таблице представлена ​​полная, подробная разбивка всех 46 типы компонентов в Защита вентилятора FAW J6P and radiator mounting assembly (Глава 37) для FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал.

Основные характеристики

Технические характеристики Защита вентилятора FAW J6P system are defined by its function as the primary airflow control unit for the radiator assembly.