Support de suspension d'essieu arrière russe FAW: Ancrage 15 Composants clés pour la stabilité des transports lourds

Le Support de suspension d'essieu arrière russe FAW logic assembly is the foundational connection point that secures the drive axles to the balance suspension components of the CA3250P66K24L1TE5Z dump truck. This complex structure must withstand the full vertical weight of the payload while simultaneously resisting the rotational torque and longitudinal thrust generated by the 6×6 drivetrain. Engineered with “55R.” et “64W” arctic-grade materials, le Support de suspension d'essieu arrière russe FAW ensures precise axle location, preventing misalignment and guaranteeing power delivery across frozen, unstable terrain.

Support de suspension d'essieu arrière russe FAW

The Leaf Spring Seat and Damping Interface

The load path begins at the **Rear Leaf Spring Seat Assembly** (Partie no. 2912445-55R. / 2912450-55R. / 2912442-55R.). This heavy steel casting sits directly on the axle housing, providing the foundation for the leaf spring pack. Le Support de suspension d'essieu arrière russe FAW uses a dual design (Par exemple, 2912441-55R for left side, 2912442-55R for right side) to ensure proper fitment over the axle. The seat must transfer the entire payload from the springs into the axle housing without allowing any rotational movement (axle wrap), which is resisted by the sheer clamping force of the U-bolts (not detailed here, but implied).

Integrated into this seat assembly are specialized damping elements. Le Cushion & Locating Pin Assembly (Partie no. 2912405-55R.) utilizes a **Cushion – Rear Leaf Spring Seat** (Partie no. 2912402-55R.) that isolates high-frequency road shock from the metal bracket. This cushion material is crucial for the Support de suspension d'essieu arrière russe FAW; it must retain elasticity in sub-zero temperatures. The assembly also includes a **Locating Pin** (Partie no. 2912401-A2E) that indexes the spring pack to the seat, preventing longitudinal shift during braking.

The mounting of the reaction rods is tied directly into the Support de suspension d'essieu arrière russe FAW. The **Rear Axle Lower Bracket Welding Assembly** (Partie no. 2919310-A7E) provides the lower anchor points for the reaction rods. This heavily reinforced, welded structure ensures that the immense torque transferred through the axle during acceleration does not bend or shear the mounting tabs. The strength of the Support de suspension d'essieu arrière russe FAW in this zone is paramount for maintaining the precise pinion angle of the rear differential.

Reaction Rod Anchor Points and Pin Logic

The upper control arms are secured to the axle housing via the **Reaction Rod Upper Bracket with Locating Pin Assy – Rear Axle** (Partie no. 2919220A64W). This casting serves as the fixed upper pivot point. It features mounting eyes that house the **Elastic Cylindrical Pin** (Partie no. 2919201-A2E / 2919202-A2E). These pins are shear pins that must resist the full thrust of the truck’s forward movement. Le “A2E” specification implies a hardened, precision-ground steel designed for low-friction articulation with the rubber bushings of the reaction rod.

The design of the Support de suspension d'essieu arrière russe FAW utilizes these **Elastic Cylindrical Pins** to allow controlled angular movement of the reaction rod while preventing longitudinal shift. The elasticity of the pins themselves helps absorb some of the high-frequency vibration, preventing it from being transmitted directly into the mounting bracket. This protects the **Upper Reaction Rod Bracket – Rear Axle** (Partie no. 2919212A64W) from premature fatigue cracking, a common failure mode in non-articulated suspension brackets.

The mounting process requires precise alignment. The pins and bushings must be installed without bending or over-compressing them. Le Support de suspension d'essieu arrière russe FAW, particularly the upper anchor points, dictates the pinion angle of the rear axle. Any wear or damage to the mounting holes in the **Rear Axle Lower Bracket Welding Assembly** (Partie no. 2919310-A7E) will alter the axle geometry, leading to driveshaft vibration and accelerated U-joint wear.

Fastening and Assembly Integrity

The numerous components of the Support de suspension d'essieu arrière russe FAW assembly are clamped together by a variety of high-strength bolts. The assembly utilizes **Hexagon Head Bolt** (Partie no. CQ15120130T) and **Hexagon Head Bolt** (Partie no. CQ1512060T) for general bracket mounting. These bolts are Grade 10.9 or higher, required to handle the shear and tensile loads. En outre, the specialized **Hexagon Flange Bolt (Coarse Shank)** (Partie no. Q1842050TF38K) and **Hexagon Flange Bolt (Coarse Shank)** (Partie no. Q1842095TF38K) are used for securing the most critical structural interfaces.

The bolts feature specialized anti-corrosion coatings (indicated by ‘T’ or ‘TF38K’ suffixes) to resist the highly corrosive road salt environment of the Russian winter. This ensures that the fasteners of the Support de suspension d'essieu arrière russe FAW can be removed for service even after years of exposure. The total number of bolts and pins ensures a highly redundant mounting system.

The welding quality of the **Rear Axle Lower Bracket Welding Assembly** (Partie no. 2919310-A7E) est primordial. Cet assemblage, like many in the Support de suspension d'essieu arrière russe FAW système, relies on robust, continuous welds that are inspected for defects. In the cold, thermal contraction creates tension; a flawed weld will crack, leading to immediate structural failure of the torque rod anchor point. FAW specifies low-hydrogen welding processes to maximize weld integrity.

Maintenance and Cold-Weather Serviceability

Maintenir le Support de suspension d'essieu arrière russe FAW requires proactive inspection. The primary failure mode is wear around the pin holes or stress cracks in the bracket castings. Visual inspection of the **Rear Leaf Spring Seat** (Partie no. 2912441-55R. / 2912442-55R.) for signs of slippage (rust trails) or deformation is mandatory. Any evidence of movement indicates that the U-bolts are loose, risking catastrophic spring failure.

The **Cushion** (Partie no. 2912402-55R.) should be checked for wear and deterioration. If the cushion is worn, the metal components of the Support de suspension d'essieu arrière russe FAW will pound against each other, accelerating bracket fatigue. The **Elastic Cylindrical Pins** (Partie no. 2919201-A2E) should be replaced during any major axle service to ensure the pivot points remain tight and vibration-free.

When replacing components, only genuine FAW parts should be used. Le “55R.” et “64W” specifications are integral to the cold-weather performance of the Support de suspension d'essieu arrière russe FAW. Aftermarket substitutes often use standard steel that lacks the necessary low-temperature impact toughness, leading to premature failure when the truck is needed most.

The complexity of the Support de suspension d'essieu arrière russe FAW demands professional service. Correctly installing the leaf spring seats and setting the alignment of the reaction rod brackets ensures the truck’s driveline geometry is preserved. This meticulous attention to detail is what guarantees the long-term reliability of the CA3250P66K24L1TE5Z in the heavy-haul segment.

Répartition des composants: Rear Axle Suspension Bracket Logic Assembly

Conclusion: Structural Reliability Guaranteed

Le Support de suspension d'essieu arrière russe FAW assembly is the definitive anchor for the rear suspension, guaranteeing the structural integrity of the drive axles under extreme loads. By integrating heavy-duty steel castings with shock-absorbing cushions and high-tensile fasteners, the system ensures the CA3250P66K24L1TE5Z performs reliably. Le “55R.” et “64W” component specifications are key to its arctic endurance.

Pour les gestionnaires de flotte, proactive maintenance—checking for wear in the cushions and ensuring the bolts are torqued to spec—is essential for vehicle uptime. Utilizing genuine FAW parts for the Support de suspension d'essieu arrière russe FAW preserves the precise alignment and safety standards engineered for the harsh environment of the Russian North.