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The John Deere 350G LC is a powerful and versatile crawler excavator designed for heavy-duty applications such as construction, mining, and landscaping. Known for its robust performance, fuel efficiency, and ease of use, this machine has become a popular choice among operators and contractors worldwide. One of the standout features of the 350G LC is its controls system, which is integral to its operation. Proper understanding and maintenance of the control system are crucial for ensuring efficient and safe operation.
This article delves into the controls of the John Deere 350G LC, exploring the different types of controls, common issues, and practical advice for troubleshooting and maintaining them.
Background of John Deere and the 350G LC Excavator
John Deere is a globally recognized brand in the construction, agricultural, and forestry machinery markets. Founded in 1837 by John Deere, the company is renowned for producing durable, efficient, and technologically advanced equipment. Its excavators have been a mainstay in construction sites, particularly due to their performance, reliability, and ease of use.
The 350G LC is part of John Deere’s G-Series excavators, introduced to meet the increasing demands of construction sites where high efficiency and powerful machinery are essential. With a net power output of 230 horsepower and an operating weight of around 35,000 kg, the 350G LC is designed for medium to large-scale earth-moving tasks. It features improved hydraulics, fuel efficiency, and comfort for the operator. The 350G LC stands out due to its advanced hydraulic controls, intuitive joystick operation, and sophisticated operator interface, making it one of the best in its class.
Understanding the Controls on the John Deere 350G LC
The controls on any excavator, including the 350G LC, are designed to ensure that the operator can efficiently and safely operate the machine. The John Deere 350G LC uses a combination of joystick controls, pedals, and buttons to manage the machine's movements and functions. Here’s a breakdown of these controls and their role in machine operation:
1. Joystick Controls
The joysticks are the primary control mechanism for the John Deere 350G LC, allowing operators to control the boom, arm, and bucket. The design of these joysticks is ergonomic, offering a comfortable grip for extended operation periods. Each joystick controls specific actions:
2. Foot Pedals
While the joysticks are the primary controls, the foot pedals also play an important role. These are typically used for controlling the travel and swing of the excavator. On the 350G LC, there are usually two foot pedals:
3. Control Buttons and Touchscreen
The control buttons and the touchscreen interface inside the cabin of the 350G LC provide access to various machine settings. These controls can adjust everything from hydraulic flow rates to machine diagnostics. The touchscreen also allows for easy management of settings, including:
4. Auxiliary Hydraulics Control
The auxiliary hydraulic controls on the 350G LC allow operators to control attachments such as breakers, grapples, or augers. The operator can adjust the flow of hydraulic power to these attachments through dedicated buttons or joystick functions, enabling greater versatility in operations.
5. Automatic Features
The John Deere 350G LC also comes with automatic functions designed to improve fuel efficiency and machine performance:
Common Issues with the Controls on the John Deere 350G LC
Despite the robust design of the 350G LC, operators may encounter several common issues related to its control system. Some of these include:
When control issues arise with the John Deere 350G LC, troubleshooting is crucial for identifying the root cause. Here are a few steps to take:
The John Deere 350G LC is designed with a user-friendly control system that provides the operator with high precision and control over the machine. Regular maintenance, calibration, and attention to common issues can ensure that the control system remains in excellent working condition, enhancing the performance and efficiency of the excavator. By understanding the key components of the 350G LC’s control system, operators can troubleshoot issues early, reducing downtime and maintaining a high level of productivity on the job site. Whether you are operating the machine or managing its maintenance, understanding the control system is key to maximizing the lifespan and capabilities of the 350G LC excavator.
This article delves into the controls of the John Deere 350G LC, exploring the different types of controls, common issues, and practical advice for troubleshooting and maintaining them.
Background of John Deere and the 350G LC Excavator
John Deere is a globally recognized brand in the construction, agricultural, and forestry machinery markets. Founded in 1837 by John Deere, the company is renowned for producing durable, efficient, and technologically advanced equipment. Its excavators have been a mainstay in construction sites, particularly due to their performance, reliability, and ease of use.
The 350G LC is part of John Deere’s G-Series excavators, introduced to meet the increasing demands of construction sites where high efficiency and powerful machinery are essential. With a net power output of 230 horsepower and an operating weight of around 35,000 kg, the 350G LC is designed for medium to large-scale earth-moving tasks. It features improved hydraulics, fuel efficiency, and comfort for the operator. The 350G LC stands out due to its advanced hydraulic controls, intuitive joystick operation, and sophisticated operator interface, making it one of the best in its class.
Understanding the Controls on the John Deere 350G LC
The controls on any excavator, including the 350G LC, are designed to ensure that the operator can efficiently and safely operate the machine. The John Deere 350G LC uses a combination of joystick controls, pedals, and buttons to manage the machine's movements and functions. Here’s a breakdown of these controls and their role in machine operation:
1. Joystick Controls
The joysticks are the primary control mechanism for the John Deere 350G LC, allowing operators to control the boom, arm, and bucket. The design of these joysticks is ergonomic, offering a comfortable grip for extended operation periods. Each joystick controls specific actions:
- Left Joystick: Controls the boom’s up and down movements, as well as the swing of the upper structure.
- Right Joystick: Controls the arm’s extend and retract movements and the bucket’s function (digging or dumping).
2. Foot Pedals
While the joysticks are the primary controls, the foot pedals also play an important role. These are typically used for controlling the travel and swing of the excavator. On the 350G LC, there are usually two foot pedals:
- Left Pedal: Controls the forward and reverse movement of the crawler tracks.
- Right Pedal: Used for swinging the machine’s upper structure left or right.
3. Control Buttons and Touchscreen
The control buttons and the touchscreen interface inside the cabin of the 350G LC provide access to various machine settings. These controls can adjust everything from hydraulic flow rates to machine diagnostics. The touchscreen also allows for easy management of settings, including:
- Hydraulic power adjustment for more efficient fuel use.
- Boom and arm function settings for smoother operations.
- Telematics and diagnostics to monitor machine performance in real-time.
4. Auxiliary Hydraulics Control
The auxiliary hydraulic controls on the 350G LC allow operators to control attachments such as breakers, grapples, or augers. The operator can adjust the flow of hydraulic power to these attachments through dedicated buttons or joystick functions, enabling greater versatility in operations.
5. Automatic Features
The John Deere 350G LC also comes with automatic functions designed to improve fuel efficiency and machine performance:
- Idle Reduction System: This system automatically reduces engine speed after a specified time of inactivity to save fuel.
- Auto-Stop: Automatically shuts off the engine after a preset time, reducing idle time and preserving fuel.
Common Issues with the Controls on the John Deere 350G LC
Despite the robust design of the 350G LC, operators may encounter several common issues related to its control system. Some of these include:
- Unresponsive Joystick: If the joystick becomes unresponsive or sluggish, it may indicate an issue with the joystick sensors, hydraulic flow, or the control valve. Regular maintenance and cleaning of the joystick assembly can help prevent these issues.
- Erratic Pedal Function: If the foot pedals do not operate smoothly, it could be due to hydraulic issues, dirt buildup, or mechanical wear. Inspecting the hydraulic lines and ensuring there is no obstruction in the pedal assembly should resolve most problems.
- Hydraulic Leaks: Hydraulic fluid leaks are a common problem in excavators. Leaks in the hydraulic lines can affect the machine’s performance and responsiveness. Regularly checking hydraulic lines and seals is crucial to avoid leaks.
- Error Codes on the Touchscreen: The onboard diagnostic system may display error codes related to control systems or sensors. These codes can often point to issues with electrical components or hydraulic systems, requiring the expertise of a certified technician.
- Overheating Controls: If the machine’s control system is overheating, it may be due to a cooling system failure or poor airflow. Ensuring that the machine’s cooling system is functioning properly can prevent overheating.
When control issues arise with the John Deere 350G LC, troubleshooting is crucial for identifying the root cause. Here are a few steps to take:
- Check the Hydraulic System: Low hydraulic fluid or air in the system can affect control responses. Regular fluid checks and filter replacements will help maintain consistent hydraulic performance.
- Inspect the Control Valves: The control valves direct hydraulic fluid to the correct areas. A malfunctioning valve can cause erratic movement. These should be checked and replaced if necessary.
- Clean the Joysticks and Pedals: Dirt and debris can build up over time, affecting the performance of the joysticks and foot pedals. Cleaning these parts regularly will help maintain smooth operation.
- Review the Error Codes: Error codes can be analyzed using a diagnostic tool or the machine’s onboard system. Identifying the specific issue can help pinpoint faulty components or sensors.
- Ensure Proper Calibration: Over time, controls may need recalibration. Checking the calibration settings can solve issues related to imprecise movements or delayed responses.
The John Deere 350G LC is designed with a user-friendly control system that provides the operator with high precision and control over the machine. Regular maintenance, calibration, and attention to common issues can ensure that the control system remains in excellent working condition, enhancing the performance and efficiency of the excavator. By understanding the key components of the 350G LC’s control system, operators can troubleshoot issues early, reducing downtime and maintaining a high level of productivity on the job site. Whether you are operating the machine or managing its maintenance, understanding the control system is key to maximizing the lifespan and capabilities of the 350G LC excavator.
