Top 5 Solutions for New Holland 640 Round Baler Problems: Troubleshoot Like A Pro

The most common problems with the new holland 640 round baler are belt slippage and missed ties. To prevent these issues, regularly inspect and adjust the belts and ensure that the correct size and type of ties are being used.

The new holland 640 round baler is a reliable piece of machinery for farmers looking to effectively bale hay. However, like any heavy equipment, it is not immune to issues. The most common problems that operators face with this baler are belt slippage and missed ties.

Belt slippage can have severe consequences, including uneven feeding and baled crop falling apart, which can reduce the quality of the crop. Missed ties, on the other hand, can lead to loose bales that can fall apart while handling or transportation. In this article, we will explore these issues and offer tips on how to prevent them.

Understanding Common Issues With New Holland 640 Round Balers

New holland 640 round baler problems: understanding common issues with new holland 640 round balers

Owning a new holland 640 round baler is an excellent investment, but like all machines, it has its problems. Understanding these issues can help you detect them before they escalate, ensuring excellent performance for years to come.

Outlining Common Issues Faced By New Holland 640 Round Baler Owners

New holland 640 round balers are known for their exceptional performance. However, like any machine, it faces common issues that are not limited to:

  • Pto failure
  • Belts slipping
  • Build-up of hay inside the baler
  • Knotter issues
  • System leaks

Effect Of Common Issues On The Baler’S Performance

The common issues faced by the new holland 640 round baler can negatively impact the performance of the machine.

Here are a few ways in which the issues affect the baler’s performance:

  • Pto failure can slow down or stop the baler’s performance.
  • Belt slipping can cause loss of power and prevent the baler from picking up hay or producing bales
  • Build-up of hay inside the baler affects the baling process and causes the baler to stop or work inefficiently.
  • Knotter issues can cause the machine from producing a well-tied knot, leading to unstable bales.
  • System leaks can reduce the baler’s hydraulic pressure, resulting in decreased power.

Factors Responsible For The Issues

While the new holland 640 round baler faces common issues, some factors can be responsible for the problems, such as:

  • Improper machine operation
  • Lack of maintenance
  • Poor quality of material to be baled
  • Overloading

Importance Of Detecting Issues Before They Escalate

To prevent the common issues with your new holland 640 round baler from getting worse, detecting them early is essential.

It can save you time, money, and also reduce the risk of more severe damage to the machine. Regular maintenance and proper operating procedures can help prevent common issues from occurring and detect them promptly.

Understanding the common issues that you may face with your new holland 640 round baler, and knowing the factors responsible for these issues is essential. It can help you detect and prevent the issues from escalating, ensuring efficient performance from your baler for years to come.

Troubleshooting Common New Holland 640 Round Baler Problems

New Holland 640 Round Baler Problems

The new holland 640 round baler is an essential piece of equipment for farmers looking to bale hay efficiently. However, like any machine, it is likely to encounter problems from time to time. Troubleshooting these issues and maintaining your baler are critical to ensure seamless operation and prevent costly downtime.

In this section, we’ll cover troubleshooting common new holland 640 round baler problems, including techniques to address them, maintenance tips to prevent future issues and when to seek professional assistance.

Importance Of Troubleshooting Baler Problems

Neglecting to troubleshoot and address baler problems promptly can lead to more severe issues, increased costs, and extended periods of downtime. Troubleshooting, if done correctly, can help you identify and correct problems before they become more significant issues.

Troubleshooting Techniques For Common Issues

Here are some common issues that farmers may face with their new holland 640 round baler, along with techniques to address them:

  • Twine breaking during the baling process: Check the knotter assembly regularly to ensure that the twine is threaded correctly through the eyes and that the tension is adjusted appropriately. If the twine is too tight, it can cause the knotter to break the twine.
  • Bales are too loose or too tight: Check the bale density setting and ensure it is adjusted to your desired setting. It may also be beneficial to check the chamber’s pressure settings.
  • Bales are wrapped too loosely or too tightly: Check the wrapping arm adjustment bolt to ensure it is moving freely, and adjust the brake pressure accordingly.
  • Frequent clogging: Clean the pickup and knives regularly. Ensure that the grass is cut at the right length and avoid baling when the hay is too wet.

Maintenance Tips To Prevent Issues From Arising Again

To prevent these issues from reoccurring, here are some maintenance tips to follow:

  • Keep your baler clean. This includes removing any debris from the pickup and knives, lubricating moving parts and tightening loose nuts and bolts.
  • Check and replace any worn-out parts, including the pickup teeth, sweeps, and knives.
  • Regularly inspect the knotter assembly and ensure that it is properly lubricated.
  • Stay informed about any service bulletins and software updates from new holland and ensure that they are promptly installed.

When To Seek Professional Assistance

If you have tried troubleshooting your baler and the issues persist, it’s time to seek professional assistance. Balers are complex pieces of machinery, and attempting to make major repairs yourself can be dangerous and lead to severe damage that can render your equipment unusable.

Seek the services of a qualified technician who can identify and correct the issue quickly and efficiently.

Importance Of Having A Maintenance Schedule

In addition to troubleshooting and professional assistance, having a maintenance schedule is crucial to maintaining your baler’s optimal performance. A maintenance schedule can help you ensure that your baler is correctly lubricated, clean and that any worn-out parts are replaced promptly.

Properly troubleshooting your new holland 640 round baler problems, maintaining your machine regularly, and seeking professional assistance when needed can extend the lifespan of your equipment and prevent costly downtime.

Solution 1: Hydraulic System Issues

Detailed Explanation Of The Hydraulic System Issues

The hydraulic system of the new holland 640 round baler is responsible for powering the different components of the machine. It operates the pick-up lift, the tailgate, the starter roll, the twine arm, and the bale density system. However, like any other mechanical system, it can have issues that cause the machine to malfunction.

Some of the most common hydraulic system problems in this baler include:

  • Leaking hydraulic fluid
  • Clogged hydraulic filters
  • Faulty hydraulic pump or motor
  • Weak or unresponsive hydraulic cylinders

Common Indicators Of Hydraulic System Failure

To prevent potential damage to your machine and to avoid unwanted downtime, it is crucial to detect any signs of hydraulic system problems early on. Several symptoms can indicate issues with the hydraulic system. These include:

  • Unusual noises or vibrations coming from the hydraulic cylinders or the pump
  • Slower movement of the pick-up or tailgate
  • Inconsistent bale density
  • Loss of hydraulic power when trying to lift heavier bales
  • Hydraulic fluid leaks or puddles under the baler

Troubleshooting Techniques For Hydraulic System Issues

Once you’ve identified potential hydraulic problems, it’s essential to troubleshoot the problem and determine the best course of action. Some troubleshooting techniques include:

  • Inspecting hydraulic hoses and connectors for any signs of damage or leaks
  • Checking hydraulic fluid levels and ensuring there are no contaminants in the hydraulic fluid
  • Testing the hydraulic pump and motor to ensure they’re functioning correctly
  • Examining the hydraulic cylinders and their associated hoses to verify that they’re not blocked or damaged

How To Replace Faulty Components

If you have identified a faulty component in your hydraulic system, replacing it as soon as possible is vital to preventing further damage to your baler. Here’s a step-by-step guide for replacing hydraulic components:

  • Turn off your baler and disconnect the battery to ensure safety.
  • Locate the faulty component by referring to the manufacturer’s manual.
  • Remove any hydraulic hoses or connections attached to the component.
  • Unscrew and remove the damaged component.
  • Replace the damaged component with a new one.
  • Reconnect any hoses or connections that were removed in the process.
  • Check the hydraulic system for any leaks or damages before resuming operation.

Maintenance Tips To Prevent Future Hydraulic System Failure

Proper maintenance of your machine’s hydraulic system can help avoid hydraulic issues and prolong the life of your baler. Here are some tips to keep your hydraulic system in optimal condition:

  • Regularly replace hydraulic filters and check fittings for signs of wear and tear.
  • Keep fluid levels topped up and ensure it is free of contaminants.
  • Follow routine maintenance schedules provided by the manufacturer.
  • Inspect all hydraulic system components regularly for signs of damage.
  • Clean the hydraulic system to keep it free of dirt and debris.

By regularly checking and maintaining your hydraulic system, you can keep your new holland 640 round baler running smoothly and efficiently. With a bit of know-how, you can quickly troubleshoot and fix any hydraulic system issues that may arise, ensuring that your baler operates at peak performance.

Solution 2: Knotter Issues

Overview Of Knotter Issues

Knotter issues are common problems that new holland 640 round baler owners face. Knotter refers to the part of the baler that makes a knot and binds the hay. When knotter issues arise, it affects the baler’s output and reduces its efficiency.

Diagnosing knotter issues can be challenging, but it is essential to ensure proper working of the baler.

Common Indicators Of Knotter Problems

Some common signs that indicate knotter problems include:

  • Incomplete knots leading to hay leakage
  • Knots unraveling after baling
  • Knotters not forming at all
  • Twine breakage
  • Improper knotter timing

How To Troubleshoot Knotter Issues

Diagnosing knotter problems can be challenging, but it’s necessary to ensure the baler’s proper functioning. Follow these steps to troubleshoot knotter issues:

  • Check for hay buildup around the knotter.
  • Ensure that the twine is the correct size and type for the baler.
  • Check that the chamber is full of hay during the ‘make a knot’ cycle.
  • Ensure that the plunger moves smoothly and there is no resistance.
  • Check that the billhook, needles, and other associated components are clean, sharp, and correctly set.

Importance Of Using The Correct Tension Setting

Using the correct tension setting is crucial to knotter reliability. If the twine tension setting is too high, it can cause the twine to break, and if it’s too low, the knot may not hold. Therefore, the twine tension must be set correctly to ensure efficient baling.

How To Replace Faulty Knotter Components

Replacing faulty components in the knotter assembly can quickly resolve knotter issues. The components that typically need replacement include:

  • Needles: These may break or bend and may need replacement.
  • Billhook: This is responsible for creating the knot after the hay has been compacted and may need sharpening or replacement.
  • Twine disc: If the disc is out of alignment, it can result in knotter issues.
  • Twine holder: This component ensures proper twine tension and may require cleaning or replacement.

Ensure that you always replace faulty components with genuine new holland parts.

Solution 3: Bale Density Issues

Understanding Factors Responsible For Bale Density Issues

The bale density of your new holland 640 round baler is an important aspect that affects the crop’s overall quality. Bale density issues are common and can occur due to various factors. One crucial factor is the moisture content of the crop at the time of baling.

The higher the moisture content, the lower the bale density. The crop’s type and the baler’s operating speed can also affect the bale density.

Common Indicators Of Bale Density Problems

It is essential to identify the signs of bale density problems in the early stages to avoid any further degradation of the crop quality. Some common indicators of bale density issues include loose and poorly formed bales, gaps in the bales, and the presence of air pockets.

If you notice these signs, then your baler is producing low-density bales, which can cause significant economic losses.

Troubleshooting Techniques To Ensure Proper Bale Density

To ensure proper bale density, you must troubleshoot the problem. You can start by inspecting the density control system of the baler, including the hydraulic system, plunger, and knife. If there are any blockages, you must remove them to optimize the baler’s performance.

Furthermore, you can adjust the bale density settings as per the crop type and external conditions. Always refer to the operator’s manual for specific instructions.

Importance Of Monitoring Hydraulic Pressure

Hydraulic pressure plays a crucial role in determining the baler’s performance, including the bale density. The baler’s hydraulic system must maintain the recommended pressure level to ensure consistent and high-quality bales. If the hydraulic pressure is too low or too high, it can cause bale density problems.

As a preventative measure, regularly monitor the hydraulic pressure during baling operations.

The Significance Of Bale Density Settings

The correct bale density setting for the new holland 640 round baler is crucial to produce high-quality bales consistently. The bale density setting varies based on the crop type, moisture level, and bale size. Ensure that you set the bale density correctly to avoid production of loose or too dense bales.

Investing time in understanding the correct density settings can save you time and money in the long run.

Understanding the factors that influence bale density, common indicators, troubleshooting techniques, and monitoring hydraulic pressure, as well as setting the correct bale density, are crucial to ensure the success of your baling operations. By implementing these techniques, you can minimize losses due to low-quality and inconsistent bales and optimize your operation’s performance.

Solution 4: Pto Driveline Issues

Understanding The Role Of Pto Driveline In New Holland 640 Round Balers

The power take-off (pto) driveline is a crucial component of new holland 640 round balers, as it is responsible for transmitting power from the tractor to the baler’s clutch and gearbox. The pto driveline consists of multiple shafts, including the splined yoke, slip clutch, and universal joint, which require proper alignment and lubrication for optimal performance.

Common Signs Of Pto Driveline Problems

A malfunctioning pto driveline can cause several issues that affect the baler’s productivity and safety. Here are some common signs of pto driveline problems to look out for:

  • High-pitched squeaking or grinding noise during baler operation
  • Vibration or shaking of the baler or tractor
  • Sudden loss of power or reduced baler speed
  • Pto driveline components that are visibly bent, corroded, or worn down

Troubleshooting Techniques For Pto Driveline Issues

If you notice any of the signs mentioned above, it’s crucial to diagnose and fix the problem before it causes more extensive damage to your baler. Here are some troubleshooting techniques for pto driveline issues:

  • Inspect the driveline for any visible damage or misalignment
  • Check the torque limiter for excessive wear or slippage
  • Test the universal joint for free movement and lack of play
  • Verify the yoke and shaft for proper alignment and correct lubrication
  • Tighten all bolts and fasteners to the recommended torque settings

Importance Of Lubrication

Proper lubrication of the pto driveline components is essential for smooth and efficient baler operation. Insufficient or improper lubrication can cause premature wear, overheating, and eventual failure of pto driveline components. Here are some lubrication tips for the pto driveline:

  • Use lubricants recommended by the manufacturer
  • Apply grease to all joints and moving parts
  • Ensure that the lubrication intervals are followed as recommended

How To Replace Faulty Driveline Components

Replacing faulty pto driveline components requires some mechanical skills and safety precautions. Here is a step-by-step guide to replacing faulty driveline components:

  • Disconnect the baler from the tractor and discharge any stored energy.
  • Remove the damaged component from the driveline by loosening the bolts.
  • Install and align the new component correctly.
  • Tighten all the bolts to the recommended torque settings.
  • Reconnect the baler to the tractor and test the pto driveline for proper operation.

By following these pto driveline tips, you can ensure that your new holland 640 round baler operates efficiently and safely.

Solution 5: Electrical Issues

New holland 640 round baler problems: solution 5 – electrical issues

Electrical issues can be a common problem in new holland 640 round balers. They can cause a wide range of problems that can be frustrating to diagnose. In this section, we’ll outline the electrical issues that can occur, how to troubleshoot these problems, and the importance of regular maintenance and inspection.

Outlining Electrical Issues In New Holland 640 Round Balers

Electrical issues can cause a variety of issues in a new holland 640 round baler. These issues can include:

  • Baler not starting
  • Baler shutting off unexpectedly
  • Electrical components malfunctioning
  • Lights not working
  • Attachments not functioning properly

These issues can lead to significant downtime, lost productivity, and added repair costs.

Common Indicators Of Electrical Problems

There are some common indicators that can point to an electrical issue. These indicators include:

  • Fuses blowing frequently
  • Electrical components malfunctioning
  • Burning smells around electrical components

If you notice any of these indicators, it’s essential to troubleshoot the issue immediately to avoid more significant problems.

How To Troubleshoot Electrical Issues

Troubleshooting electrical issues can be challenging, but there are some basic steps you can follow to diagnose the problem.

  • Check the fuses – a blown fuse can cause multiple issues, from the baler not starting to electrical components malfunctioning. Check all fuses and replace any that are blown.
  • Check connections – loose or corroded connections can cause a variety of issues, including intermittent problems. Check all connections and clean or tighten any that are loose or corroded.
  • Check for damaged wires – wires can become damaged from wear and tear or rodent damage. Check all wires and replace any that are damaged.
  • Check the battery – a dead or weak battery can cause the baler not to start or shut down. Test the battery and replace if necessary.

Importance Of Regular Maintenance And Inspection

Regular maintenance and inspection of your new holland 640 round baler can help prevent electrical issues. Check all connections and components periodically and ensure that everything is in good working order. Regular maintenance can help prevent unexpected downtime and repair costs.

The Significance Of Fuses In Electrical Systems

Fuses are an essential part of the electrical system in your new holland 640 round baler. Fuses protect electrical components from damage caused by overloads or short circuits. It’s crucial to ensure that all fuses are in good working order and rated correctly for the baler’s electrical system.

Electrical issues can cause significant problems for your new holland 640 round baler. By following the troubleshooting steps outlined above and ensuring regular maintenance and inspection, you can prevent electrical issues and ensure the baler operates at peak efficiency. Remember to pay attention to common indicators of electrical problems, check the fuses, connections, wires, and battery regularly, and value the significance of fuses in electrical systems to keep your baler running smoothly.

Frequently Asked Questions For New Holland 640 Round Baler Problems

What Are The Common Problems In New Holland 640 Round Baler?

Some of the common problems with new holland 640 round balers include bale plugging, low power, worn-out bearings, and broken springs. These issues might affect the baling performance or lead to frequent breakdowns.

How Can I Fix The Bale Plugging Issue In My New Holland 640 Round Baler?

To fix the bale plugging issue in new holland 640 round baler, you can adjust the density and tension of bales, check the baler pickup for any debris, and check the belts for proper alignment and tension. Also, make sure to inspect the cutter bar for any obstructions.

How Do I Know If The Bearings In My New Holland 640 Round Baler Are Worn-Out?

You can check the bearings in the new holland 640 round baler by looking for signs of wear or damage, such as excessive noise, vibration, or irregular baling patterns. A thorough inspection of the baler’s components can help to diagnose bearing issues and prevent costly repairs.

What Should I Do If My New Holland 640 Round Baler Has Low Power?

If your new holland 640 round baler has low power, you can check the oil levels, engine condition, and air filter. Also, inspect the belts, sensors, and hydraulic systems for any damage. Regular maintenance and servicing can help prevent power loss and enhance the baler’s performance.

How Often Should I Change The Springs In My New Holland 640 Round Baler?

You should change the springs in your new holland 640 round baler when they become worn-out or damaged. Regular maintenance and servicing can help to identify worn-out springs and prevent frequent breakdowns. Check the manufacturer’s guidelines for recommended spring replacement intervals.


Overall, the new holland 640 round baler does have its fair share of problems. However, understanding these problems and knowing how to fix them can make all the difference in the success of your hay baling operation. From issues with belts and chains breaking, to difficulties with the density and shape of bales, it’s important to stay vigilant and proactive when it comes to maintenance.

Paying attention to the little details, like lubrication and alignment, could save you from major headaches down the line. At the end of the day, the new holland 640 round baler is still a reliable and effective machine when used correctly and with care.

So, keep these common problems in mind as you hit the hay fields, and may your bales be tight and your profits be high.

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