Ensemble logique de conduite de carburant FAW J6P: Déconstruction 22 Pièces critiques pour un moteur étanche

Welcome to this expert analysis of the Conduite de carburant FAW J6P système (Chapitre 32). C'est le complet “fuel plumbing” network for the FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau. C'est un “Assemblage logique” engineered to manage the “suction,” “feed,” et “retour” of diesel fuel to the engine under extreme, off-road conditions.

Le “Dual-Circuit Logic” is the key to this Conduite de carburant FAW J6P système. Le “Suction/Feed Side” (Comp 17, 18) is the most critical. C'est un “suction” système. Any pinhole leak from vibration or “chafing” (rubbing) will not leak *fuel out*; it will suck *air in*. Air in a High-Pressure Common Rail (HPCR) system is catastrophic. It will “cavitate” the injection pump and starve the injectors, leading to power loss, stabulation, and permanent component damage. Ce Conduite de carburant FAW J6P is engineered for 100% airtight integrity.

This technical guide is an essential resource for chassis technicians, fleet maintenance managers, et spécialistes des pièces détachées. We will deconstruct the entire 22-component group. Nous analyserons le “Suction & Feed Logic” (the main pipes connecting the tank to the engine), le “Return & Venting Logic” (the bypass and vapor pipes), le “Sécurisation & Logique de protection” (the anti-chafe components), et le “Reservoir Logic” (le Réservoir de carburant FAW J6P that this entire Conduite de carburant FAW J6P system services).

Cœur 1: Le “Suction & Feed” Logique (Composants 17, 18)

This group represents the low-pressure “supply side” de la Conduite de carburant FAW J6P système. Its entire logic is to pull fuel from the tank and deliver it, air-free, to the engine’s filter system.

1. Composant: ‘Inlet pipe assy – fuel tank to coarse filter’ (1104120-14BJ)
Ce (Comp 17) est le “Primary Suction Logic.” C'est le “straw” that connects the ‘Fuel tank assy’ (Comp 1) to the primary “coarse filter” (or fuel/water separator).

Ce “logique” is the most vulnerable part of the entire system. Because it is a “suction” line, a tiny pinhole from chafing will not *leak fuel out* (as it’s not under pressure). Plutôt, it will *suck air in*. Ce “Air Ingress Logic” est un échec catastrophique.

Air in the HPCR pump (Chapitre 23) will instantly cause “cavitation” (the violent implosion of air bubbles), which erodes the high-precision pump pistons and starves the injectors, menant à un “no-start” condition or severe engine damage. This is why this Conduite de carburant FAW J6P is an “assemblée,” likely with pre-formed, rigid sections to prevent kinking or chafing.

2. Composant: ‘Inlet pipe assy – coarse filter to engine inlet’ (1104130-14BJ)
Ce (Comp 18) est le “Clean Feed Logic.” After the fuel passes through the *first* filter (the coarse filter/water separator), this pipe’s “logique” is to transport the now “pre-cleaned” fuel *to* the engine.

It connects the primary filter to the “inlet” de la “Filtre fin à carburant FAW J6P” (Chapitre 24). This line is *still* on the “suction” side of the main pump, so its airtight integrity is just as critical. A leak here will also introduce air into the high-pressure pump. This specific Conduite de carburant FAW J6P is the final “low-pressure” artery before the fuel enters the engine-mounted filtration and pressurization stage.

Cœur 2: Le “Return & Venting” Logique (Composants 19, 20)

This group’s “logique” is to manage the “waste” products of the Conduite de carburant FAW J6P système: bypassed (chaud) fuel and fuel vapors.

1. Composant: ‘Return pipe assy’ (1104250-14BJ)
Ce (Comp 19) est le “Thermal Management Logic.” High-Pressure Common Rail (HPCR) systèmes (see Chapter 23) use a “Bypass Logic.” They pump *far more* fuel than the engine needs. This excess fuel is used to “cool and lubricate” the high-pressure pump and the six injectors. Ce “bypassed” fuel is now *hot*.

This ‘Return pipe’ “logique” is to collect all this hot, low-pressure fuel from the engine’s “return manifold” and send it back to the ‘Fuel tank assy’ (Comp 1). The massive volume of the Réservoir de carburant FAW J6P then acts as a “heat sink,” cooling the fuel before it is “sucked” up again by the ‘Inlet pipe’ (Comp 17). A kink or blockage in this Conduite de carburant FAW J6P is a critical failure that will cause the HPCR pump to overheat and seize.

2. Composant: ‘Intake/Exhaust pipe’ (1104301-50UN)
Ce (Comp 20) est le “Vapor Venting Logic.” This is *not* the engine’s air intake or exhaust. This is the *fuel tank’s* “vent” tuyau. C'est “logique” is to connect to a port on the ‘Fuel tank assy’ (Comp 1) or ‘Fuel tank cap’ (Comp 2) and safely route any fuel vapors *away* from the hot chassis or exhaust system. Ce “safety logic” is designed to prevent a dangerous buildup of flammable diesel fumes and is a critical part of the Conduite de carburant FAW J6P‘s safety system.

Cœur 3: Le “Sécurisation & Protection” Logique (Composants 21, 22)

This group’s “logique” est “Anti-Chafe & Anti-Vibration.” A loose Conduite de carburant FAW J6P in a heavy-duty dump truck will be destroyed by vibration or chafing in a matter of days.

1. Composant: ‘Limit plate’ (1104266-36S)
Ce (Comp 21) est le “Rigid Mounting Logic.” Il s'agit d'un spécialiste “serrer” ou “support” that is bolted to the chassis frame. Le “logique” of this ‘Limit plate’ is to hold one of the rigid fuel lines (like Comp 17 ou 18) in a *specific, fixed position*.

Ce “securing logic” is what prevents the Conduite de carburant FAW J6P depuis “whipping” ou “vibrant” against the frame, which would cause a “fatigue crack” at its weakest point (usually the metal fittings).

2. Composant: ‘Zip tie’ (T67417246)
The list calls for seven (7) de ceux-ci (Comp 22). Ce n'est pas un “cheap fix”; this is “Deliberate Engineering Logic.” Le “Chafing Prevention Logic” is that these “zip ties” (or hose clamps) are used to “ancre” le Conduite de carburant FAW J6P (especially flexible sections) to various brackets or to *other* hoses.

Leur “logique” is to prevent the #1 killer of hoses: “rubbing.” If a low-pressure Conduite de carburant FAW J6P is allowed to rest against a sharp-edged chassis bracket, the engine’s vibration will cause the bracket to “saw” a hole through the line. Ces 7 ties are strategically placed to hold all lines securely, clear of any sharp edges or hot surfaces (like the exhaust manifold), ensuring the system’s long-term, leak-proof integrity.

Cœur 4: Le “Réservoir” Contexte (The FAW J6P Fuel Tank)

This final group includes all the *other* components from the Chapter 32 parts list. Leur “logique” is to provide a secure, anti-vibration “berceau” pour le Réservoir de carburant FAW J6P, which is the source and destination for the Conduite de carburant FAW J6P système.

1. Le “Storage” Logique (Composants 1, 2)
The ‘Fuel tank assy’ (Comp 1) est le principal “Réservoir” with internal anti-surge baffles. The ‘Fuel tank cap assy’ (Comp 2) est le “Venting Logic,” allowing air *in* to replace fuel, but preventing vapor *out*.

2. Le “Montage” Logique (Composants 4, 6)
The ‘Rear bracket assy-fuel tank’ (Comp 4) is the heavy-duty steel “shelf” que le Réservoir de carburant FAW J6P *sits on*. It bears the entire 350kg+ weight. The ‘Strap assy-fuel tank’ (Comp 6) is the high-tensile steel band that wraps *over* the tank, clamping it down onto the bracket.

3. Le “Anti-Chafe” Logique (Composants 5, 7)
C'est le “Protection Logic.” The ‘Gasket-bracket’ (Comp 5) sits *between* the bracket and the tank bottom. The ‘Gasket-strap’ (Comp 7) lines the *inside* of the steel strap. Ce “logique” ensures “no metal-on-metal contact,” preventing vibration from “chafing” a hole in the Réservoir de carburant FAW J6P.

4. Le “Fastener” Logique (Composants 8-16)
C'est le “Hardware Logic.” This group contains all the ‘Hexagon flange bolts’ (Comp 8, 9, 10, 11), ‘Hexagon nuts’ (Comp 12), and ‘Washers’ (Comp 13, 16) required to mount the bracket. The ‘Flat pin’ (Comp 14) and ‘Cotter pin’ (Comp 15) are a “Safety-Lock Logic” for the strap, preventing the main T-bolt or pin from ever vibrating loose.

Réservoir de carburant FAW J6P & Fuel Line Parts List

Le tableau suivant fournit l'intégralité, ventilation détaillée de tous 22 types de composants dans le Réservoir de carburant FAW J6P et Conduite de carburant FAW J6P assemblage pour le FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau.

Spécifications de base

Les spécifications pour le Conduite de carburant FAW J6P system are defined by its function as the critical plumbing between the tank and the engine’s HPCR system.