🛠️ Product Description

Recoil Assembly is a major undercarriage component in the Volvo EC480 excavator. It consists of a heavy-duty spring and hydraulic track adjuster unit, installed behind the idler. Its main job is to maintain correct track tension and absorb shocks during machine operation.

⚙️ Function / Working

• Keeps the track chain at proper tension
• Uses a grease/hydraulic adjuster to tighten or loosen the track
• The internal recoil spring absorbs impact loads when the track hits obstacles
• Protects undercarriage parts from damage

👉 Ensures smooth travel and prevents track derailment.

🔩 Main Components

• Recoil spring (heavy-duty coil spring)
• Hydraulic/grease track adjuster cylinder
• Adjuster rod & piston
• Seals and housing
• Idler connection assembly

📌 Application

• Used in Volvo EC480 Excavator undercarriage system
• Installed between front idler and track frame
• Suitable for mining, construction, and heavy-duty earthmoving work

⭐ Key Features

• Strong shock absorption capability
• Maintains consistent track tension
• Heavy-duty steel construction
• High resistance to impact and wear
• Long service life in harsh conditions

⚠️ Common Problems / Symptoms

• Loose or over-tight track
• Grease leakage from adjuster
• Broken or weak recoil spring
• Track coming off (derailing)
• Uneven track wear

🔄 Advantages

• Protects undercarriage components
• Improves machine stability
• Reduces maintenance and downtime
• Ensures safe and efficient operation