Embrayage de ventilateur FAW J6P: Déconstruction 10 Pièces critiques pour une logique thermique parfaite

Welcome to this expert deconstruction of the Embrayage de ventilateur FAW J6P assemblée, a critical component group for the FAW Jiefang CA3250P66K2L1T1E 6×4 diesel dump truck. This technical guide is engineered for service technicians, gestionnaires de flotte, et spécialistes des pièces détachées. We will deconstruct the entire 10-component “logique” group, breaking it down from the primary ‘Fan clutch assy’ to its smallest serviceable fasteners, providing a complete picture for diagnostics and maintenance.

The thermal management of the CA3250P66K2L1T1E is defined by this “smart” composant. Le Embrayage de ventilateur FAW J6P est le “cerveau” of the entire cooling fan system. Its sole logic is to intelligently engage the fan *only* when needed, saving fuel and horsepower, while ensuring the engine is perfectly protected under high-load, low-speed conditions.

Cœur 1: Le “Smart Engagement” Logique (The FAW J6P Fan Clutch)

Ce groupe représente le cerveau of the entire cooling fan assembly. Its purpose is to intelligently and mechanically “decide” when to engage the fan, saving fuel, and when to lock it up for maximum cooling. This is the core logic of the Embrayage de ventilateur FAW J6P.

1. Composant: ‘Fan clutch assy’ (1313010-65D)
Ce (Comp 8) is the ‘Fan Clutch Assembly’ lui-même, the most critical and complex component in this breakdown. For this heavy-duty application, c'est un Viscous Clutch. This is a non-electric, thermomechanical device.

Le Thermostatic Logic is how it “thinks.” A bi-metallic thermostatic spring is mounted on the very front of the Embrayage de ventilateur FAW J6P. It sits directly in the air-path *after* the air has passed through the radiator. This allows it to read the true temperature of the cooling system.

As this air temperature rises (Par exemple, above 85°C), the spring’s metals expand at different rates, causing it to coil or uncoil. This physical movement mechanically opens a small internal valve. C'est le Viscous Logic.

Opening this valve allows a special, high-viscosity silicone fluid, stored in a reservoir, to flow into a working chamber. This chamber contains intricate, alternating plates and fins—one set connected to the input shaft (driven by the engine pulley) and the other to the output body (which holds the fan).

Le Fluid Shear Logic is what transfers power. Le “tondre” of this thick fluid between the spinning plates is what transfers torque from the engine to the fan. The hotter the air, the more the valve opens, the more fluid enters the chamber, and the faster the fan spins. C'est Progressive Engagement, not a simple on/off switch. This variable-speed capability is the key feature of the Embrayage de ventilateur FAW J6P.

When the engine cools, the air from the radiator cools, the spring closes the valve, and an internal pump returns the fluid to the reservoir. This disengages the Embrayage de ventilateur FAW J6P, allowing the fan to freewheel, saving horsepower and significantly improving fuel economy.

Cœur 2: Le “Interface & Conduire” Logique (The Flange)

This group contains the critical adapter that connects the Embrayage de ventilateur FAW J6P to the engine’s drive pulley. Its logic is to provide a secure, perfectly aligned mounting point and transfer 100% of the engine’s torque to the clutch.

1. Composant: ‘Fan clutch transition flange’ (1313063-14B)
Ce (Comp 10) is the ‘Fan Clutch Transition Flange.’ It is the essential “Interface” composant. Le Embrayage de ventilateur FAW J6P (Comp 8) is a specialized unit, but the engine’s pulley hub (often on the water pump) has its own standardized bolt pattern.

This ‘Transition Flange’ is the high-strength steel adapter that bridges this gap. It is precisely machined to bolt flat against the engine’s pulley hub (using the ‘Combination bolts’, Comp 9) et, à son tour, provide the exact mounting face and bolt pattern required by the Embrayage de ventilateur FAW J6P.

Le Concentricity Logic is its hidden, vital function. This flange must maintain perfect concentricity (zero “wobble” ou “runout”). Any misalignment would introduce destructive vibrations into the entire assembly, leading to premature failure of the Embrayage de ventilateur FAW J6P roulements.

Cœur 3: Le “Driven Component” Logique (L'assemblage du ventilateur)

Ce groupe représente le “charger” que le Embrayage de ventilateur FAW J6P is responsible for driving. Its logic is to convert the rotational energy it receives from the clutch into massive, high-velocity airflow.

1. Composant: ‘Fan assy’ (1308010-14B)
Ce (Comp 4) is the ‘Fan Assembly’ lui-même. While not technically part of the Embrayage de ventilateur FAW J6P, it is the component the clutch drives. C'est un véhicule robuste, multi-blade unit made from high-strength composite or steel.

Le Blade Pitch Logic est critique: the specific angle and curvature of the blades are engineered to maximize airflow (CFM) while minimizing noise and the horsepower “drag” sur le Embrayage de ventilateur FAW J6P.

Le Assembly Logic is a crucial service note: the ‘Fan assy’ is a single, factory-balanced component. It must be replaced as a whole if damaged. A bent blade will cause vibrations that will destroy the new Embrayage de ventilateur FAW J6P it is attached to.

Cœur 4: Le “Critical Fastener” Logique (All Hardware)

This final group is the most frequently overlooked. C'est logique is to manage extreme vibration, couple élevé, and thermal cycling. Using generic hardware on a Embrayage de ventilateur FAW J6P assembly is a direct cause of catastrophic failure.

1. Le “Fan-to-Clutch” Groupe (Comp 1, 2, 3)
This sub-assembly includes: ‘Hexagon nut’ (CQ34008, Quantité 6), ‘Spring washer’ (Q40308, QVty 6), and ‘Washer’ (Q40108, Quantité 6). C'est le Sandwich Logic used to mount the ‘Fan assy’ (Comp 4) onto the front of the Embrayage de ventilateur FAW J6P (Comp 8).

Le Machine à laver (Comp 3) is a ‘flat washer,’ providing a wide surface to prevent cracking the fan material. Le Rondelle élastique (Comp 2) is the most critical part, as it provides Anti-Vibration Pre-load, preventing the nuts from backing off under high-frequency vibration.

2. Le “Clutch-to-Flange” Groupe (Comp 5, 6, 7)
This group includes: ‘Stud bolt’ (CQ1201030, Quantité 4), ‘Spring washer’ (Q40310, Quantité 4), et « Écrou hexagonal’ (CQ34010, Quantité 4). C'est le Serviceable Mount Logic for attaching the Embrayage de ventilateur FAW J6P (Comp 8) to the ‘Transition flange’ (Comp 10).

The ‘Stud bolts’ (Comp 5) are likely threaded permanently into the Embrayage de ventilateur FAW J6P lui-même. This allows a technician to easily ‘hang’ the heavy clutch assembly onto the studs, freeing their hands to install the washers and nuts.

3. Le “Flange-to-Engine” Groupe (Comp 9)
This group includes: ‘Combination bolt’ (CQ1421040, Quantité 6). C'est le Assembly Line Logic. A ‘combination bolt’ has a captive, free-spinning spring washer pre-installed. This feature makes installation faster and, more importantly, makes it *impossible* to forget the critical spring washer. These bolts secure the ‘Transition flange’ (Comp 10) to the engine’s pulley hub, transferring all drive power to the Embrayage de ventilateur FAW J6P.

Embrayage de ventilateur FAW J6P: Complete 10-Part Breakdown

Le tableau suivant fournit l'intégralité, ventilation détaillée de tous 10 types de composants dans le Embrayage de ventilateur FAW J6P and fan assembly for the FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau.

Spécifications de base

Les spécifications pour le Embrayage de ventilateur FAW J6P assembly are defined by its central role as the “cerveau” of the cooling fan system, prioritizing fuel economy through smart, on-demand thermal management.