Нижняя обшивка передней двери: Деконструкция 6 Важные детали для безупречной установки кабины

Welcome to this critical analysis of the Нижняя обшивка передней двери and limiter system for the FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал. This guide deconstructs the 6 critical component types that form this multi-function assembly. This system is essential for cab protection, door alignment, и безопасность.

The Нижняя обшивка передней двери serves a much deeper function than just interior cosmetics. It acts as a protective shield for the inner door shell, provides acoustic insulation, and serves as the mounting structure for the door’s check and alignment hardware. This analysis will explore the trim panel itself, the heavy-duty door limiter, the precision locating pin, and the three sets of specialized, vibration-proof fasteners.

Основной 1: The ‘Shield & Acoustic’ Логика (The Panel Assembly)

This component is the namesake of the Нижняя обшивка передней двери система. Это большой, molded part that covers the entire lower half of the inner door shell, below the main armrest.

1. Компонент: ‘Left/Right front door lower trim panel assembly’ (6101515DA01 / 6101520DA01) – Кол-во 1 каждый
Этот (Комп 2) is the main panel assembly, supplied in mirrored Left (DA01) and Right (DA01) versions. It is a multi-layer component, typically a rigid polymer substrate with a durable, easy-to-clean vinyl or textured plastic skin.

The Protection Logic is its most obvious function. On a CA3250P66K2L1T1E dump truck, the driver’s boots will be covered in mud, gravel, and snow. Этот Нижняя обшивка передней двери acts as a durable, жертвенный “kick plate.” It is designed to be scuffed and kicked, protecting the painted door shell underneath from scratches, вмятины, и коррозия.

The Acoustic Logic is a critical, hidden function. This large, rigid panel, combined with the sound-deadening felt often applied to its reverse side, acts as a primary acoustic barrier. It blocks a significant amount of road, tire, and transmission noise from entering the cab. A missing or loosely-fastened Нижняя обшивка передней двери will result in a much louder, more fatiguing cab environment.

The Integration Logic is also key. This panel is precision-molded to house other components, such as a map pocket, a lower courtesy light, or a main audio speaker. Это обеспечивает “finished” interior surface that the driver sees and interacts with.

Основной 2: The ‘Damage Prevention’ Логика (The Door Limiter)

This component is a heavy-duty safety feature mounted within the Нижняя обшивка передней двери area. It is essential for preventing catastrophic damage to the door.

1. Компонент: ‘Front door limiter assembly’ (6106035-А01) – Кол-во 2
Этот (Комп 4) это “door check” или “door stop.” It is a robust assembly, usually a high-strength stamped steel strap (which mounts to the A-pillar) that runs into a “check” механизм (which mounts to the door). Количество 2 confirms one for each door.

The Over-Extension Logic is its primary purpose. The heavy-duty door of a J6P cab has significant mass. If a driver opens it during a high-wind situation, the wind can catch the door and swing it open with violent force.

This limiter is the “тормозный” that stops this from happening. It is designed to “catch” the door at a pre-set maximum opening angle (НАПРИМЕР., 85 степени). This prevents the door from swinging 180 degrees and smashing into the cab’s own fender, which would bend the door hinges, buckle the door skin, and shatter the mirror. This single Нижняя обшивка передней двери sub-component saves thousands in potential repairs.

The Detent Logic is its secondary function. The check mechanism contains spring-loaded rollers that engage with “detents” or bumps on the strap. This is what gives the door a “two-stage” feel, allowing it to “rest” at a halfway-open position without swinging shut. This is a crucial convenience and safety feature for the driver.

Основной 3: The ‘Precision Alignment’ Логика (The Locating Pin)

This small but vital component of the Нижняя обшивка передней двери system is responsible for ensuring the door latches perfectly, every single time, на всю жизнь грузовика.

1. Компонент: ‘Left/Right front door locating pin assembly’ (6101535-А01 / 6101540-А01) – Кол-во 1 каждый
Этот (Комп 3) is a precision-machined, hardened steel pin. It is typically mounted on the door (often near the bottom) and engages with a corresponding socket on the cab’s B-pillar.

The Anti-Sag Logic is its entire purpose. A heavy-duty truck door, hanging on two hinges, is under immense stress. Over years of use and door slams, the hinges will wear, and the door will naturally “sag” by a few millimeters.

This sag causes the door’s latch mechanism to misalign with the striker on the cab, making the door extremely difficult to close. The driver would have to lift the door handle *and* slam the door.

This locating pin, which has a tapered head, solves this. As the door closes, the tapered pin engages the socket *before* the latch does. This action physically “lifts” the sagging door by the required few millimeters, guiding it into perfect vertical alignment. This ensures the latch mechanism (Система 143) engages smoothly and effortlessly every time.

Основной 4: «Виброустойчивый»’ Логика (Система крепления)

This final group consists of the 28 specialized fasteners that secure the Нижняя обшивка передней двери and its associated hardware. Each one is chosen for vibration resistance.

1. Компонент: ‘Болт с шестигранной головкой’ (Q1840616F6) – Кол-во 12
2. Компонент: ‘Болт с шестигранной головкой’ (Q1840612F6) – Кол-во 4
Эти (Комп 1 и 6) являются 16 primary structural bolts. The “фланцевый” голова — встроенная шайба. This is a high-strength, vibration-proof design that locks the bolt and distributes the load. These are used to secure the heavy-duty metal components: the door limiter (Комп 4) and the locating pin (Комп 3).

3. Компонент: Комбинированный винт с крестообразным шлицем и плоской круглой головкой’ (Q2360616F6) – Кол-во 12
Этот (Комп 5) is the fastener used for the main Нижняя обшивка передней двери (Комп 2) сам. The “комбинация” design features a pre-installed, невыпадающая пружинная стопорная шайба.

This spring washer is essential for mounting the plastic trim panel. It provides constant tension, preventing the screw from backing out due to vibration (which would cause rattles), while also being gentle enough not to crack the plastic. Эти 12 screws provide a secure, rattle-free fit for the panel.

Нижняя обшивка передней двери: Complete 6-Part Breakdown

В следующей таблице представлена ​​полная, подробная разбивка всех 6 типы компонентов в Нижняя обшивка передней двери and limiter assembly (Система 152) для FAW Jiefang CA3250P66K2L1T1E 6×4 самосвал.

Основные характеристики

Технические характеристики Нижняя обшивка передней двери system are defined by its multiple roles in protection, alignment, и безопасность.