Filtre grossier à carburant FAW J6P: Déconstruction 7 Pièces critiques pour la protection HPCR

Welcome to this expert deconstruction of the Filtre grossier à carburant FAW J6P (Main Assy P/N 1105010-2007-C00). C'est le “First Line of Defense” Pour le FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck’s engine. This critical “Assemblage logique” provides bulk filtration and water separation, offering the essential first stage of protection for the high-pressure fuel system.

Le “HPCR Protection Logic” is the key to this Filtre grossier à carburant FAW J6P. A High-Pressure Common Rail (HPCR) system is extremely vulnerable to two contaminants: water and large particles. Le “Water Separation Logic” of this unit is to use a “baffle” ou “centrifugal” design to force water (which is *heavier* than diesel) out of suspension. The water collects in a “sediment bowl” at the bottom, which can be drained. Le “Coarse Filter Logic” then removes larger rust and dirt particles (Par exemple, 30+ microns).

This dual-logic system is essential. It prevents water from destroying the injectors (via “hydro-erosion” or rust) and stops large particles from prematurely clogging the much more expensive ‘FAW J6P Fuel Fine Filter’ (Chapitre 24). This guide will deconstruct the 7-component-type group, analyzing the “Filtration & Separation Logic” (the main housing), le “Structural Support Logic” (the anti-vibration bracket), et le “Fastener & Logique d'étanchéité” that mounts the Filtre grossier à carburant FAW J6P securely to the chassis.

Cœur 1: Le “Filtration & Separation” Logique (Composant 1)

Ce composant est le “fonctionnement” une partie du Filtre grossier à carburant FAW J6P assemblée. This is the complete unit responsible for cleaning the fuel.

1. Composant: ‘Fuel coarse filter assy (sample style)’ (1105010-2007-C00)
Ce (Comp 1) is the complete assembly. It consists of two main serviceable parts (not listed individually but included in the assembly): the filter element and the water-in-fuel (WIF) sensor/drain.

2. Le “Water Separation Logic” (Internal):
C'est le “First Stage” de la Filtre grossier à carburant FAW J6P. As fuel enters the housing, its flow is “baffled.” Ce “logique” forces the fuel to change direction suddenly or “swirl.” Because water is *heavier* than diesel, c'est “inertia” prevents it from making the turn.

Il “impacts” the wall, coalesces into heavy drops, and falls to the “sediment bowl” at the very bottom of the filter housing. UN “WIF sensor” (Water-In-Fuel) is typically located in this bowl, which sends an alarm to the dashboard when the bowl is full and needs to be “drained” (via a small petcock).

3. Le “Coarse Filtration Logic” (Internal):
C'est le “Second Stage.” After the water is “spun out,” the now “dry” fuel is *pulled* (by suction) *up* through the main “filter media.” This media’s “logique” is to be “coarse”—it is designed to stop large, 30-50 micron particles (like rust, saleté, and large algae “clumps”) that could come from the ‘FAW J6P Fuel Tank’.

Ce “logique” est critique: il “protects” the *secondary* ‘FAW J6P Fuel Fine Filter’ (Chapitre 24) from being “clogged” prematurely. Ce “dual-stage” “logique” (Water Separation + Coarse Filtration) is what makes the Filtre grossier à carburant FAW J6P un “Coarse Filter” and not just a simple strainer.

Cœur 2: Le “Structural Support” Logique (Composant 2)

Ce composant “logique” is to provide a rock-solid, résistant aux vibrations “foundation” for the entire Filtre grossier à carburant FAW J6P assemblée.

1. Composant: ‘Fuel coarse filter support’ (1105121-14BJ)
Ce (Comp 2) est le “Anti-Vibration Logic.” UN “spin-on” filtre (Comp 1) is a heavy, “cantilevered” charger. It is full of fuel (several kilograms) and hanging off the side of the chassis frame rail, all while enduring the constant, high-frequency vibration of a heavy-duty diesel engine.

Si le “filter head” (the part the filter screws onto) were bolted directly to the chassis, the vibration would “fatigue” et “fissure” the aluminum filter head in a very short time, causing a massive fuel leak (on the suction side, a massive *air* leak).

Le “logique” of this heavy-duty steel “Soutien” bracket is to be the “structural foundation.” It bolts securely to the chassis rail. The ‘Fuel coarse filter assy’ (Comp 1) then bolts *to this bracket*. Ce “Foundation Logic” provides a rigid, stable platform that absorbs and dissipates the vibration, protecting the aluminum casting of the filter head from cracking. This is a critical component for the long-term, leak-free service of the Filtre grossier à carburant FAW J6P.

Cœur 3: Le “Fastener” Logique (Composants 3, 4, 5, 6, 7)

This final group’s “logique” is to provide the “clamping force” that holds the Filtre grossier à carburant FAW J6P assemblée (Comp 1) and its ‘Support’ (Comp 2) securely to the truck’s chassis frame.

1. Composants: ‘Combination bolt’ (CQ1461250) & ‘Hexagon nut’ (CQ34012)
The list calls for four (4) of each (Comp 3 & 4). Ce “Through-Bolt Logic” is the strongest possible mounting method. C'est “logique” is that the ‘Support’ support (Comp 2) is *not* threaded. These ‘Combination bolts’ (which have a “captive” lock washer for vibration resistance) are passed *through* the bracket and *through* the chassis rail. The ‘Hexagon nuts’ (Comp 4) are then used on the back side. Ce “Clamping Logic” provides a much more secure, vibration-proof hold than a bolt that just threads into the chassis.

2. Composants: « Boulon à bride hexagonale’ (Q1841445, Q1841455) & ‘Hexagon flange nut’ (CQ39614)
Ce (Comp 5, 6, 7) est le “Secondary Fastener Logic.” Ces “bride” bolts and nuts are likely used to secure the ‘Fuel coarse filter assy’ (Comp 1) *to* the ‘Support’ support (Comp 2). Le “Flange Logic” is critical for mounting an aluminum “filter head” to a steel “bracket.” The built-in “bride” (rondelle) on the bolt and nut provides a wide, flat “clamping surface.”

Ce “Load Distribution Logic” is essential. A simple bolt head would create a “high-pressure point” sur le (softer) aluminum filter head, causing it to “fissure” when tightened. The flange “spreads” this load, allowing for a high “clamping force” (to resist vibration) *without* damaging the housing. This hardware is essential for a secure Filtre grossier à carburant FAW J6P.

FAW J6P Fuel Coarse Filter Parts List & Caractéristiques

Le tableau suivant fournit l'intégralité, ventilation détaillée de tous 7 component types identified in this Filtre grossier à carburant FAW J6P assemblage pour le FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau.

Spécifications de base

Les spécifications pour le Filtre grossier à carburant FAW J6P are defined by its function as the “First Line of Defense” for the entire fuel system.