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The Recoil Spring Assembly of the Komatsu D85EX-15R bulldozer is a critical component in the undercarriage system. Its primary function is to absorb shocks and maintain proper tension in the track chain, ensuring optimal contact with the ground and smooth operation across various terrains.

Key Features:

1. Main Components:
   • Recoil Spring: A large, heavy-duty coil spring designed to handle the tension and absorb impacts.
   • Cylinder: Houses the spring and provides structural support.
   • Piston/Adjustment Mechanism: Allows for track tension adjustments.
   • Front Idler Mount: Links the recoil spring assembly to the front idler wheel.
2. Material:
   • Typically made from high-strength alloy steel for durability and resistance to stress and deformation.
3. Functionality:
   • Track Tension Maintenance: Ensures the track chain remains properly tensioned during operation.
   • Shock Absorption: Protects the undercarriage from damage caused by irregular terrain or debris.
   • Alignment Support: Keeps the front idler in alignment with the track.
4. Applications:
   • Vital for heavy earth-moving operations, ensuring the bulldozer's stability and minimizing wear on the track system.

Maintenance Tips:

• Regular Inspection: Check for wear, cracks, or deformation in the spring and housing.
• Proper Tension Adjustment: Maintain correct tension to avoid excessive wear on the track or assembly.
• Lubrication: Periodically lubricate moving parts to reduce friction and prevent corrosion.

The recoil spring assembly is an integral part of the Komatsu D85EX-15R’s undercarriage system, and its proper maintenance ensures the machine operates efficiently and safely in demanding conditions. If you are sourcing this part, ensure it is compatible with the specific model and variant of your machine.