Mecanismo de leva FAW J6P: 10 Piezas críticas para una sincronización precisa del motor

Welcome to this definitive technical analysis of the Mecanismo de leva FAW J6P. este es el completo “engine timing” y “respiración” system for the FAW Jiefang CA3250P66K2L1T1E 6×4 diesel dump truck.

This is not just a single part, pero un “Asamblea lógica” de 10 components working in perfect harmony.

El “lógica” del Mecanismo de leva FAW J6P is to act as the “mechanical brain” del motor. It is a gear-driven, overhead-valve (OHV) sistema, meaning the camshaft is located inside the engine block—a hallmark of extreme durability. Its sole function is to precisely control *when* the intake and exhaust valves open and close, which dictates the engine’s entire performance, fuerza, y eficiencia.

El “Lobe Logic” de esto Mecanismo de leva FAW J6P is its most critical feature. The camshaft (compensación 6) is a forged steel shaft with a series of precision-ground “lobes” o “cams.” The exact shape, altura (lift), and angle (duration) of these lobes are not simple; they are complex mathematical profiles. Este “lobe profile” is the engine’s horsepower and torque curve. It dictates exactly how far the valves open and how long they stay open, which in turn controls the “volumetric efficiency” (how much air the engine can breathe) at every RPM. A worn Mecanismo de leva FAW J6P will lead to a direct, critical loss of power.

This expert guide is an essential resource for engine rebuilders, tecnicos de taller mecanico, y gerentes de repuestos de flotas. We will deconstruct the entire 10-component group into its three primary “lógica” sistemas: el “Lobe & Drive Logic” (the camshaft itself), el “Cojinete & Support Logic” (el 7 critical bushes), y el “Axial & Lógica de sujetadores” (the thrust plate assembly that holds the Mecanismo de leva FAW J6P en su lugar).

Centro 1: El “Lobe & Conducir” Lógica (Componente 6)

Este es el “cerebro” del Mecanismo de leva FAW J6P. All other components in this group exist solely to support this one part.

1. Componente: ‘Camshaft’ (1006016-29D)
este componente (compensación 6) es el núcleo de la asamblea. Es “Material Logic” is extreme durability. It is forged from a single billet of high-strength steel or made from “chilled cast iron.” El “lobes” (the egg-shaped cams) are induction-hardened to create a glass-like, wear-resistant surface that can withstand the constant, high-pressure friction of the valve lifters.

Es “Drive Logic” is also critical. In this heavy-duty Mecanismo de leva FAW J6P, the camshaft is “gear-driven.” It meshes directly with a corresponding gear on the crankshaft (the ‘Crankshaft timing gear’, P/N 1005037-29D). Este “engranaje sobre engranaje” logic is far superior to a timing belt or chain; es un “non-slip,” zero-maintenance design that is intended to last the entire life of the engine. This gear-driven design is essential for the reliability of the Mecanismo de leva FAW J6P. The camshaft itself also has an integrated gear that, Sucesivamente, drives the engine’s oil pump, making it responsible for both timing *and* lubrication.

Centro 2: El “Cojinete & Apoyo” Lógica (Componentes 4, 5, 7)

el de este grupo “lógica” is to allow the Mecanismo de leva FAW J6P to rotate at thousands of RPM inside the stationary engine block with almost zero friction.

Componentes: ‘Front/Intermediate/Rear camshaft bush’ (1006024A29D, 1006028A29D, 1006029A29D)
These components (compensación 4, 5, 7) son los “Hydrodynamic Logic” del Mecanismo de leva FAW J6P. They are commonly known as “cam bearings.” The parts list calls for a total of seven bushes: one ‘Front’ (compensación 4), five ‘Intermediate’ (compensación 5), and one ‘Rear’ (compensación 7).

Su “Sacrificial Logic” es esencial. The camshaft does not spin directly on the iron of the engine block. En cambio, él “floats” on a microscopic film of high-pressure oil. These bushes are the precision-made, soft-metal (bronze alloy) sleeves that are “press-fit” into the block to support this oil film. ellos son los “usar artículo.” If oil becomes contaminated with dirt or metal, the debris will embed in the soft bush, saving the far more expensive, curtido Mecanismo de leva FAW J6P (the camshaft) and the engine block from being destroyed. Replacing these seven bushes is a mandatory, precision-critical step in any professional engine rebuild.

Centro 3: El “Axial & Cierre” Lógica (All Others)

Este grupo final “lógica” is to lock the Mecanismo de leva FAW J6P en su lugar, preventing it from moving “de adelante hacia atrás” in the engine.

1. El “Control de empuje” Lógica (Componentes 2, 3, 8)
Este es el “Axial Control Logic.” porque el Mecanismo de leva FAW J6P is gear-driven, el “helicoidal” cut of the gear teeth creates a constant “empuje” force that tries to push the camshaft *forward* or *backward* in the engine.

• ‘Camshaft thrust plate’ (1006018-29D): Este (compensación 8) es el “stop.” It is a hardened steel plate that bolts to the front of the engine block. A machined face on the camshaft rides against this plate, preventing any axial movement.
• ‘Camshaft cover assy – thrust bush’ (1006030-29D): Este (compensación 3) is the cover that holds the thrust plate in place, completing the “sándwich.”
• ‘Thrust plate’ (1006033-29D): Este (compensación 2) is likely a shim or secondary plate that works with the main thrust plate (compensación 8) to achieve a perfect, “zero-play” end-float.

2. El “Cierre & Alineación” Lógica (Componentes 1, 9, 10)
This is the hardware that guarantees the precision of the Mecanismo de leva FAW J6P.

• 'Pasador’ (Q5210612): Este (compensación 9) es el “Lógica de alineación.” It is a solid steel pin that is pressed into the block *before* the thrust plate is installed. Its logic is to ensure the thrust plate (compensación 8) is perfectly aligned, ensuring the camshaft is perfectly centered.
• «Perno de brida hexagonal’ (Q1840512, Q1840820): Estos tornillos (compensación 1 & 10) son los “Lógica de la fuerza de sujeción.” They are used to securely fasten the entire thrust plate and cover assembly to the front of the engine block, locking the Mecanismo de leva FAW J6P in its precise location. El “flange logic” (built-in washer) prevents the bolts from vibrating loose.

FAW J6P Cam Mechanism Parts List & Presupuesto

La siguiente tabla proporciona la información completa, desglose detallado de todos 10 tipos de componentes identificados en este Mecanismo de leva FAW J6P Montaje para FAW Jiefang CA3250P66K2L1T1E 6×4 camión volcado.

Especificaciones principales

Las especificaciones para el Mecanismo de leva FAW J6P are defined by its function as the “mechanical brain” of the engine’s valvetrain.