Used Excavator SANY SY75C Gallery, Images, Pictures

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Used Excavator SANY SY75C Main Parts Pictures

The SANY SY75C is a compact and efficient excavator designed for medium-scale excavation and construction projects. Below is an overview of its main parts:

1. Engine

• Type: Diesel engine, typically a Yanmar or equivalent.
• Power Output: Approximately 55.4 HP (41.2 kW).
• Air Filtration System: Multi-stage air filters for clean air intake.
• Cooling System: Radiator and cooling fan for optimal temperature control.
• Fuel System:
  • High-capacity fuel tank.
  • Fuel injectors for efficient combustion.
  • Fuel pump and fuel filters.
• Exhaust System: Muffler and exhaust pipe for reduced noise and emissions.

2. Hydraulic System

• Main Hydraulic Pump: Provides power for the boom, arm, and bucket.
• Hydraulic Cylinders:
  • Boom Cylinder: Lifts the boom vertically.
  • Arm Cylinder: Moves the arm for extended reach.
  • Bucket Cylinder: Operates the bucket for digging and loading.
• Control Valves: Direct hydraulic oil to the desired components.
• Hydraulic Reservoir: Stores hydraulic fluid.
• Hydraulic Lines and Hoses: Transport pressurized oil throughout the system.
• Auxiliary Hydraulics: Enables additional attachments like breakers and augers.

3. Upper Structure

• Counterweight: Provides balance during operations.
• Swing Motor: Allows the upper structure to rotate 360 degrees.
• Swing Bearing: Ensures smooth and stable rotation.
• Engine Compartment: Houses the engine and other critical components.

4. Undercarriage

• Tracks: Available in steel or rubber configurations.
• Track Shoes: Provide traction and support.
• Track Rollers: Support the machine’s weight and guide the tracks.
• Carrier Rollers: Help maintain track alignment.
• Idler: Maintains proper track tension.
• Drive Sprockets: Transmit power from the travel motor to the tracks.
• Track Tensioning System: Ensures optimal tension using hydraulic or spring systems.

5. Boom, Arm, and Bucket

• Boom: Raises and lowers the arm and bucket for digging and lifting.
• Arm: Extends the reach of the boom for efficient excavation.
• Bucket:
  • Standard bucket for general-purpose digging.
  • Optional buckets: Trenching, grading, or rock buckets.
• Bucket Teeth: Replaceable for extended life and efficient digging.
• Pins and Bushings: Provide secure connections and smooth articulation.

6. Operator’s Cabin

• ROPS/FOPS: Roll-Over and Falling Object Protective Structures for safety.
• Seat: Adjustable, ergonomic seat for comfort.
• Control Console:
  • Joystick controls for precise operation.
  • LCD display showing engine status, hydraulic pressures, and performance metrics.
• Visibility: Large windows for a clear view of the worksite.
• Climate Control: Air conditioning and heating systems for operator comfort.

7. Drive System

• Travel Motors: Provide power for forward and reverse movement.
• Travel Reduction Gear: Increases torque for better traction on uneven terrain.
• Control Levers: Allow precise control of speed and direction.

8. Cooling System

• Radiator: Maintains engine temperature.
• Oil Cooler: Prevents overheating of hydraulic and engine oils.
• Cooling Fan: Ensures proper airflow through the radiator.

9. Electrical System

• Battery: Powers the starter and electronic components.
• Alternator: Charges the battery and provides power during operation.
• Lighting System:
  • Work lights for night operations.
  • Headlights for general visibility.
• Wiring Harness: Connects electrical components.
• Monitoring Sensors: Alerts the operator of maintenance needs or faults.

10. Counterweight

• Material: Heavy-duty cast iron for stability.
• Placement: Rear of the machine to balance the weight of the boom and bucket.

11. Safety Features

• Emergency Stop Button: Instantly halts all operations in emergencies.
• Backup Alarm: Alerts workers when the excavator is reversing.
• Seat Belt: Ensures operator safety.
• Handrails and Steps: Provide secure access to the cabin.