Pompe à huile FAW J6P: 11 Pièces critiques pour une lubrification parfaite du moteur

Welcome to this expert deconstruction of the Pompe à huile FAW J6P (Main Assy P/N 1011010-36D). This component is the absolute “cœur” of the engine for the FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau.

While small, this “Assemblage logique” de 11 core component types is the single most critical component for engine survival.

Le “logique” de la Pompe à huile FAW J6P est de “collect” oil from the ‘Oil Sump’ et “pressurize” il, forcing it at 40-60 PSI through the engine’s tiny internal galleries. This high-pressure oil is the only thing separating all moving metal parts, like the crankshaft and bearings.

Le “Positive Displacement Logic” is the key to the Pompe à huile FAW J6P. C'est un “Gerotor” ou “gear-within-a-gear” pompe (Comp 5). This design is critical because its output is directly proportional to engine RPM.

Ce “logique” means it creates high *volume* at low-RPM (like at idle, to protect the turbo) and high *pressure* at high-RPM. Cependant, this also means it must have a “Safety Valve Logic” (Comp 3, 4) to bleed off *excess* pressure at high speeds, which would otherwise blow out engine seals.

A failure in the Pompe à huile FAW J6P is not gradual; it is instant and catastrophic, leading to a complete engine seizure in minutes.

This technical guide is an essential resource for engine rebuilders, machine shop technicians, and fleet parts managers. We will deconstruct the entire 11-component-type group. Nous analyserons le “Positive Displacement Logic” (the pump gears and housing), le “Pressure Regulation Logic” (the safety valve), et le “Conduire & Interface Logic” (the drive gears and fasteners) that define this Pompe à huile FAW J6P.

Cœur 1: Le “Positive Displacement” Logique (Composant 5 & 7)

This group forms the core of the Pompe à huile FAW J6P. C'est le “Gerotor” assembly that physically moves the oil.

1. Composant: ‘Oil pump assy’ (1011010-36D)
Ce (Comp 5) est le principal “Pump Logic.” It is the complete assembly, containing the sub-parts that do the work. This assembly is the core of the auto_33 Pompe à huile FAW J6P.

2. Le “Gerotor” Logique (Sub-Components):
Inside the main assembly, we find the key parts:

• ‘Oil pump drive gear shaft assy’ (1011020-36D) & ‘Drive gears’ (1011022-36D): C'est le “inner” engrenage (Comp 5). It is driven by the ‘Driven gear – la pompe à huile’ (Comp 7). The list calls for two (2) ‘Drive gears’, qui forment le “Gerotor” ensemble.
• ‘Oil pump driven gear assy’ (1011030-36D): C'est le “extérieur” engrenage (Comp 5) that spins *around* the inner gear.
• ‘Oil pump cover plate’ (1011017-29D): Ce (Comp 5) est le “Logique d'étanchéité” that bolts to the pump body (Comp 10), enclosing the gears and creating the high-pressure chamber.

Le “Pumping Logic” is simple: as these two gears spin, le “crescent-shaped” gap between their lobes *increases* in size on the “suction” côté, pulling oil in from the Carter d'huile FAW J6P. As they continue to rotate, the gap *decreases*, squeezing the oil and forcing it out under high pressure. This is the positive displacement action of the Pompe à huile FAW J6P.

Cœur 2: Le “Drive Interface” Logique (Composants 7, 8, 10)

This group’s “logique” is to transfer power from the crankshaft to the Pompe à huile FAW J6P‘s internal Gerotor set.

1. Composant: ‘Driven gear – la pompe à huile’ (1011014-36D)
Ce (Comp 7) est le “Input Drive Logic.” This is the large gear that is visible on the *outside* of the Pompe à huile FAW J6P housing. C'est “logique” is to mesh directly with the ‘Oil pump drive gear’ (P/N 1005039-36D) that is located on the crankshaft. Ce “gear-on-gear” drive is a “no-slip,” non-stretch, life-of-the-engine solution, far more durable than a chain.

2. Composant: ‘Bushing – la pompe à huile’ (1011013-29D)
Ce (Comp 10) est le “Sacrificial Bearing Logic.” The oil pump gears spin at high speed on steel shafts. Ce “bushing” is a soft, bronze-alloy sleeve that is pressed into the pump housing (part of Comp 5). The ‘Driven gear shaft’ (1011031-29D) spins inside this bush. C'est “logique” is to be the “wear item.” It saves the expensive aluminum pump housing and steel shaft from damage. This is a key serviceable part of the Pompe à huile FAW J6P.

3. Composant: ‘Gasket – oil pump drive shaft’ (1011045-29D)
Ce (Comp 8) est le “Thrust Logic.” It is a shim or gasket that sets the “end-play”—the front-to-back movement—of the ‘Drive gear shaft’ (1011021A29D). This precise spacing is critical to prevent the gears from “binding” ou “marche” inside the housing of the Pompe à huile FAW J6P.

Cœur 3: Le “Pressure Regulation” Logique (Composants 1, 2, 3, 4)

This group is the “Safety Valve Logic.” A positive displacement Pompe à huile FAW J6P would create infinite pressure (1000+ psi) at high RPM, which would blow out every seal in the engine. This system prevents that.

1. Composants: ‘Spring-oil pump safety valve’ (1011033-29D) & ‘Valve core…’ (1011032-29D)
C'est le “Relief Valve Logic.” The ‘Valve core’ (Comp 4) is a small piston that blocks a “bypass” channel in the Pompe à huile FAW J6P housing. Le « printemps »’ (Comp 3) is calibrated to hold this valve shut at normal pressures.

Le “Spring Logic” is this: when oil pressure exceeds the spring’s rating (Par exemple, 60-70 psi), the pressure forces the ‘Valve core’ (Comp 4) *back*, compressing the ‘Spring’ (Comp 3). Ce “logique” opens the bypass channel, allowing excess oil to bleed off, usually back to the “suction” side of the pump. This is how the Warning Pompe à huile FAW J6P maintains a safe, stable pressure at all engine speeds.

2. Composants: ‘Hexagon head plug’ (Q617B22) & ‘Copper gasket’ (Q/WC3403-1994)
Ce (Comp 1 & 2) est le “Sealing Cap Logic.” This ‘plug’ and ‘gasket’ simply seal the “bore” that the safety valve and spring sit in. The ‘Copper gasket’ (Comp 2) est un “crush washer” that creates a perfect, high-pressure, single-use seal.

Cœur 4: Le “Fastener & Alignement” Logique (Composants 6, 9, 11)

This final group’s “logique” is to ensure the Pompe à huile FAW J6P is mounted to the engine block with perfect alignment and vibration-proof clamping.

1. Composant: ‘Dowel pin’ (Q5220814)
Ce (Comp 9) est le “Alignment Logic.” Bolts are *not* for alignment. This solid steel pin is pressed into the engine block, et le Pompe à huile FAW J6P housing slides onto it *before* the bolts are inserted. Ce “logique” guarantees perfect alignment, which is essential to ensure the ‘Driven gear’ (Comp 7) meshes perfectly with the crankshaft’s drive gear.

2. Composants: « Boulon à bride hexagonale’ (Q1840825) & ‘Hexagon flange nut’ (T32010)
C'est le “Clamping Force Logic.” Les quatre (4) ‘Bolts’ (Comp 6) are the primary fasteners that hold the Pompe à huile FAW J6P assembly to the engine block. The ‘Nut’ (Comp 11) likely secures the main drive gear shaft. Le “Flange Logic” of these fasteners means they have a built-in washer, which distributes the clamping load and resists vibration, preventing the Pompe à huile FAW J6P from shaking loose.

FAW J6P Oil Pump Parts List & Caractéristiques

Le tableau suivant fournit l'intégralité, ventilation détaillée de tous 11 component types identified in this Pompe à huile FAW J6P assemblage pour le FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau.

Spécifications de base

Les spécifications pour le Pompe à huile FAW J6P are defined by its function as the high-pressure “cœur” of the engine’s lubrication system.