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The Bobcat 873 F-Series is a powerful and versatile skid-steer loader that has earned a reputation for its rugged design, impressive lifting capabilities, and smooth operation. Part of Bobcat's F-Series, this machine features enhanced hydraulics, better operator comfort, and improved efficiency. While it’s a favorite among operators in construction, landscaping, and material handling, like any heavy equipment, the 873 F-Series can encounter its share of issues over time.
In this article, we'll dive into the key features of the Bobcat 873 F-Series, common issues operators face, and tips for troubleshooting and maintaining this robust machine. Whether you're a first-time user or an experienced operator, understanding the ins and outs of this skid-steer loader will help keep your machine running smoothly and avoid unexpected downtime.
Overview of the Bobcat 873 F-Series
The Bobcat 873 F-Series is a mid-size skid-steer loader that combines power and versatility in one machine. It’s equipped with a 74 horsepower turbocharged engine and has a rated operating capacity of around 1,600 pounds. One of the standout features of the 873 F-Series is its high-flow hydraulics, allowing operators to power a wide range of attachments, from augers to stump grinders. It also boasts improved lift height and bucket breakout force, making it suitable for tasks that demand both power and precision.
Key features include:
Common Issues with the Bobcat 873 F-Series
While the Bobcat 873 F-Series is generally reliable, some common issues may arise over time, especially with older machines. Let’s look at some of these problems and how to address them.
To keep your Bobcat 873 F-Series running at peak efficiency, it's essential to adhere to a regular maintenance schedule. Here are some key maintenance practices:
A construction company noticed that their Bobcat 873 F-Series was experiencing slow hydraulic operation, particularly when using attachments like the auger. After troubleshooting, they realized that the hydraulic fluid had not been changed in over a year and had become contaminated with dirt. By performing a full hydraulic fluid flush and replacing the filters, the loader’s hydraulic system returned to full power, extending the life of the machine and saving them costly downtime.
Conclusion: Keeping the Bobcat 873 F-Series in Top Shape
The Bobcat 873 F-Series skid-steer loader is a reliable and powerful machine that can handle a variety of tasks. However, like all heavy equipment, it requires regular maintenance and prompt attention to issues to maintain its performance and longevity. By staying on top of hydraulic maintenance, engine care, transmission checks, and general upkeep, you can ensure that your 873 F-Series continues to work as hard as you do.
In this article, we'll dive into the key features of the Bobcat 873 F-Series, common issues operators face, and tips for troubleshooting and maintaining this robust machine. Whether you're a first-time user or an experienced operator, understanding the ins and outs of this skid-steer loader will help keep your machine running smoothly and avoid unexpected downtime.
Overview of the Bobcat 873 F-Series
The Bobcat 873 F-Series is a mid-size skid-steer loader that combines power and versatility in one machine. It’s equipped with a 74 horsepower turbocharged engine and has a rated operating capacity of around 1,600 pounds. One of the standout features of the 873 F-Series is its high-flow hydraulics, allowing operators to power a wide range of attachments, from augers to stump grinders. It also boasts improved lift height and bucket breakout force, making it suitable for tasks that demand both power and precision.
Key features include:
- Hydraulic quick coupler for fast attachment changes.
- Pilot-controlled joysticks for smooth, easy-to-operate controls.
- All-wheel drive for better traction in challenging terrain.
- Comfortable cab design, ensuring less operator fatigue during long working hours.
Common Issues with the Bobcat 873 F-Series
While the Bobcat 873 F-Series is generally reliable, some common issues may arise over time, especially with older machines. Let’s look at some of these problems and how to address them.
- Hydraulic System Problems
Symptoms:- Slow operation of attachments or loader arms.
- Uneven bucket movement.
- Hydraulic fluid leakage.
- Contaminated Hydraulic Fluid: Dirt, water, or other contaminants in the hydraulic fluid can cause sluggish operation and decreased performance. Regular fluid changes are essential to maintaining the hydraulic system’s efficiency.
- Worn Hydraulic Hoses or Fittings: Cracks or damage to hoses can cause fluid leakage, resulting in pressure loss. This is often visible as hydraulic fluid spraying from worn hoses.
- Faulty Hydraulic Pump: A failing hydraulic pump can reduce the overall power and responsiveness of the loader’s hydraulic functions.
- Replace Hydraulic Fluid: Regularly changing the hydraulic fluid (typically every 1,000 hours of operation) and replacing filters can prevent contamination and prolong the life of the hydraulic system.
- Inspect Hoses and Seals: Look for visible signs of wear on hoses and fittings, replacing damaged components promptly.
- Test Hydraulic Pump Pressure: Use a pressure gauge to test the hydraulic pump. If the pressure is lower than expected, the pump may need repair or replacement.
- Slow operation of attachments or loader arms.
- Engine Issues and Poor Starting
Symptoms:- Engine cranks slowly or fails to start.
- Excessive smoke from the exhaust.
- Engine stalling or running roughly.
- Weak Battery: The Bobcat 873 F-Series relies on a 12-volt battery. A weak or dead battery can cause poor starting or engine stalls. The battery could also be corroded or improperly connected.
- Fuel System Problems: Clogged fuel filters, a blocked fuel line, or a malfunctioning fuel pump can prevent proper fuel delivery, causing engine issues.
- Faulty Glow Plugs: In colder weather, faulty glow plugs can make it difficult for the engine to start.
- Check Battery and Connections: Ensure the battery is fully charged, the terminals are clean and corrosion-free, and the cables are secure.
- Replace Fuel Filters: Clogged fuel filters can significantly reduce engine performance. Regularly replacing the fuel filters will help ensure smooth operation.
- Test and Replace Glow Plugs: If the machine has difficulty starting in cold weather, check the glow plugs and replace them if necessary.
- Engine cranks slowly or fails to start.
- Transmission and Drive Problems
Symptoms:- The machine struggles to move forward or backward.
- Slipping or erratic movement when operating in forward/reverse.
- Unusual noises from the transmission area.
- Low Transmission Fluid: The transmission fluid lubricates the system and provides the necessary pressure for smooth operation. Low fluid levels can cause slipping or erratic movement.
- Worn Transmission Components: Over time, transmission components such as gears and seals can wear out, causing poor shifting and operational issues.
- Contaminated Fluid: Contaminants in the transmission fluid can cause blockages or reduced pressure, leading to transmission issues.
- Check Transmission Fluid: Regularly check fluid levels and top off when necessary. If the fluid is low or dirty, drain and replace it.
- Inspect the Transmission: If you notice unusual noises or the transmission is slipping, inspect the system for worn parts. A professional mechanic may need to disassemble and rebuild the transmission if internal components are damaged.
- The machine struggles to move forward or backward.
- Track or Tire Wear Issues
Symptoms:- Uneven wear or damage to the tracks or tires.
- Poor traction, especially on soft or muddy terrain.
- Loud noises when the machine is moving.
- Uneven Tire Pressure: If one or more tires are underinflated, it can cause uneven wear and lead to traction issues.
- Worn Tracks: In high-use conditions, tracks can wear out faster. Worn tracks lead to poor performance and can cause additional strain on the machine’s components.
- Improper Weight Distribution: Carrying unbalanced loads or improper use of attachments can cause uneven wear on the tires or tracks.
- Check Tire Pressure Regularly: Make sure all tires are inflated to the manufacturer’s recommended pressure to avoid uneven wear.
- Inspect Tracks for Wear: Regularly inspect the tracks for cracks or excessive wear. Replace the tracks if necessary, particularly if the tread is worn down.
- Balance Loads: Always load the machine evenly to ensure even wear on the tires or tracks.
- Uneven wear or damage to the tracks or tires.
To keep your Bobcat 873 F-Series running at peak efficiency, it's essential to adhere to a regular maintenance schedule. Here are some key maintenance practices:
- Regular Fluid Checks and Changes: Keep an eye on the engine oil, hydraulic fluid, coolant, and fuel. Regular fluid changes and maintaining proper levels are essential to machine longevity and performance.
- Filter Replacements: Change the engine, hydraulic, and fuel filters as per the manufacturer’s recommendations. Clean filters prevent contaminants from entering the system and causing damage.
- Track and Attachment Maintenance: Keep the tracks and attachments in good condition. Lubricate moving parts and inspect for damage regularly. Clean attachments after use to prevent debris buildup.
- Grease All Pivot Points: The Bobcat 873 F-Series has several moving components, and regular greasing of pivot points helps prevent premature wear and keeps everything running smoothly.
- Inspect the Battery and Electrical System: Ensure the battery is charged and in good condition, and check the electrical connections regularly to avoid starting issues.
A construction company noticed that their Bobcat 873 F-Series was experiencing slow hydraulic operation, particularly when using attachments like the auger. After troubleshooting, they realized that the hydraulic fluid had not been changed in over a year and had become contaminated with dirt. By performing a full hydraulic fluid flush and replacing the filters, the loader’s hydraulic system returned to full power, extending the life of the machine and saving them costly downtime.
Conclusion: Keeping the Bobcat 873 F-Series in Top Shape
The Bobcat 873 F-Series skid-steer loader is a reliable and powerful machine that can handle a variety of tasks. However, like all heavy equipment, it requires regular maintenance and prompt attention to issues to maintain its performance and longevity. By staying on top of hydraulic maintenance, engine care, transmission checks, and general upkeep, you can ensure that your 873 F-Series continues to work as hard as you do.
