The Dewalt D55146 is recognized as a reliable and efficient air compressor, designed to meet diverse operational needs. However, like all mechanical equipment, it’s not immune to occasional issues that may hinder its performance.

Whether you’re dealing with a motor that won’t start or pressure that’s too low, troubleshooting Dewalt air compressor issues can often be a straightforward process.

This guide aims to walk you through common problems that can occur with your Dewalt D55146 Air Compressor, offering detailed solutions to get your equipment back in working order.

Dewalt D55146 Troubleshooting:

If your Dewalt D55146 Air Compressor is not functioning as expected, there are several common issues you can check to troubleshoot the problem. Firstly, it’s important to ensure that the power source is reliable and the compressor is connected properly.

If the machine isn’t starting, check the reset button to make sure it hasn’t been tripped.

In case of low pressure, verify if the pressure switch is set correctly and the air filter isn’t clogged.

If the compressor runs but doesn’t build up pressure, it could be due to a damaged pump or a leak in the air system – inspect the pump and hoses for any visible damages.

5 Common Dewalt D55146 Air Compressor Problems And Solutions:

1. Overheating:

If your Dewalt D55146 air compressor is overheating, it could be due to a lack of proper ventilation or a malfunctioning motor. Ensure that the compressor is kept in a well-ventilated area and inspect the motor for any signs of wear and tear.

2. Excessive Noise:

A Dewalt D55146 air compressor making excessive noise could signify loose parts or internal damage. Regular maintenance and inspection can help detect such problems early.

3. Leaking Air:

Air leaks are common in air compressors and may result from damaged seals or loose connections. Check for signs of air leakage and replace the seals or tighten the connections as required.

4. Slow Pressure Build-Up:

If your air compressor takes too long to build up pressure, it could be due to a clogged air filter, a failing pump, or a leak in the system. Clean the air filter, inspect the pump and check for leaks to solve this problem.

5. Pressure Switch Failure:

Issues with the pressure switch can prevent your compressor from shutting off at the correct pressure level.

In this case, consider replacing the pressure switch. Remember, always refer to your Dewalt D55146 air compressor’s manual for specific instructions and safety measures.

Benefits Of Troubleshooting Dewalt D55146 Air Compressor:

Understanding and troubleshooting your Dewalt D55146 Air Compressor can save you a significant amount of time and money.

Regular troubleshooting allows you to identify potential issues early on, and solve them before they escalate into costly repairs or replacements.

Furthermore, it ensures that your compressor operates at its peak performance, extending its lifespan and maintaining its efficiency.

It also promotes safe operation, as troubleshooting can help detect safety issues that could lead to accidents or damage.

Lastly, as you become more familiar with your Dewalt D55146 Air Compressor through troubleshooting, you’ll find it easier to maintain and operate, making your tasks more convenient and productive.

Maintenance Tips For Your Dewalt D55146 Air Compressor:

Regular maintenance is crucial to keep your Dewalt D55146 Air Compressor functioning optimally and prolong its life. Here are some tips:

1. Check Oil Levels Regularly:

Your air compressor uses oil for lubrication. Make sure the oil level is within the recommended range and replenish it when necessary.

2. Clean Air Filter Periodically:

The air filter should be clean to ensure efficient operation. Remove dust and debris regularly to avoid clogging.

3. Drain Moisture from Tanks:

Compressors can build up moisture, especially in humid climates. Open the drain valve after each use to remove the accumulated moisture.

4. Inspect Hoses:

Regularly check hoses for cracks and leaks, which can reduce your unit’s effectiveness. Replace them when needed.

5. Secure Fasteners:

Vibration during operation can loosen fasteners. Ensure they are tight to maintain the compressor’s stability.

6. Belt Tension:

Keep an eye on the belt tension. Too tight or too loose can cause the compressor to work inefficiently.

7. Clean Exterior:

Regularly wipe down the exterior with a soft cloth to prevent dust accumulation.

Remember, regular maintenance not only ensures optimal operation but also increases the lifespan of your Dewalt D55146 Air Compressor.

How Do You Reset A Dewalt D55146 Air Compressor?

Resetting your Dewalt D55146 air compressor is a straightforward process that can solve many common issues. To reset, follow these steps:

1. Switch Off the Compressor:

Always ensure the compressor is off before resetting. This is a safety measure to prevent any accidental power surges or potential damage.

2. Unplug the Compressor:

Disconnect the compressor from its power source. This allows the system to completely shut down, which is necessary for a proper reset.

3. Let it Rest:

Give the compressor time to cool down and fully discharge any stored energy. A few minutes should be sufficient.

4. Locate the Reset Button:

The reset button on the Dewalt D55146 Air Compressor is usually located near the pressure switch. It is typically a red or black button.

5. Press the Reset Button:

Push the reset button firmly but gently. You should hear a small click, which indicates the compressor has been reset.

6. Reconnect the Power:

Plug the compressor back into its power source.

7. Switch On the Compressor:

Turn your compressor back on. It should now be reset and ready for use. Remember, resetting your compressor can help resolve minor glitches.

However, if you continue experiencing issues after a reset, it may be a sign of a more serious problem requiring professional assistance.

How Do I Know If My Dewalt D55146 Air Compressor Is Bad?

Identifying potential issues with your Dewalt D55146 Air Compressor can help prevent costly repairs and prolong its lifespan.

Here are some signs to look out for that may indicate your compressor is faulty:

1. Inadequate Pressure:

If the compressor is not building up the right amount of pressure or it takes an unusually long time to fill, there might be an issue. This could be due to a faulty check valve, air leaks, or a problem with the pump.

2. Excessive Noise:

While air compressors are naturally loud, any sudden increase in noise level or strange sounds could be a sign of internal damage or a loose component.

3. Excessive Vibration:

Similarly, a sudden increase in vibration during operation could indicate a problem. Faulty motor mounts, a misaligned pulley or a damaged drive belt could be the cause.

4. Motor Failure:

If the motor doesn’t start at all or it starts and then stops abruptly, there could be an issue with the power supply, motor itself or the pressure switch.

5. Oil Leaks:

If you notice oil pooling beneath the compressor or around the pump, it could indicate a serious issue requiring immediate attention.

6. Overheating:

If the compressor gets unusually hot during operation, it could be due to inadequate ventilation, a faulty fan, or a clogged air filter. Remember to regularly check your compressor for these signs.

If you encounter any of these issues, consult your Dewalt D55146 Air Compressor user manual or contact a professional for further assistance.

What Would Cause A Dewalt D55146 Air Compressor To Not Build Pressure?

There are several potential reasons why your Dewalt D55146 Air Compressor may not be building pressure correctly:

1. Faulty Check Valve:

The check valve prevents air from flowing back into the pump when the compressor is off. If it’s defective or broken, it could lead to inadequate pressure.

2. Air Leaks:

Leaks in the air hose or any other part of the system can result in pressure loss. Inspect all connections and seals and replace any parts as necessary.

3. Damaged Pump:

An issue with the compressor pump, such as worn seals or cracked rings, can cause the compressor not to build pressure. You might need professional assistance to repair or replace the pump.

4. Blocked Air Filter:

A clogged air filter can restrict the airflow into the compressor, which can prevent it from building the right amount of pressure.

If you’ve checked these potential issues and your compressor is still not building pressure properly, it would be best to consult a professional or contact Dewalt customer service for further assistance.

Dewalt D55146 Air Compressor Won’t Start:

If your Dewalt D55146 Air Compressor won’t start, there could be several underlying causes.

Here’s what you can do to troubleshoot:

1. Check the Power Source:

Make sure that the compressor is connected to a functioning power outlet. If you are using an extension cord, try plugging the compressor directly into the outlet to rule out any issues with the cord.

2. Inspect the Power Cord:

Examine the power cord for any signs of damage. Any cuts, frays or burns could prevent the compressor from starting.

3. Verify Motor Reset Button:

The motor of the compressor has a reset button that may have tripped. Push the reset button to see if it restarts the motor.

4. Check the Pressure Switch:

If the pressure switch is defective or not set correctly, it may prevent the compressor from starting. Try adjusting the pressure switch settings and see if the compressor starts.

5. Inspect the Check Valve:

If the check valve is defective, it could cause the motor to stall, preventing the compressor from starting.

If you have tried these steps and your compressor still won’t start, consider seeking professional assistance or contact Dewalt customer service.

Remember, attempting to fix serious electrical issues on your own can be dangerous if you’re not familiar with the process.

Dewalt D55146 Air Compressor Not Building Pressure:

If your Dewalt D55146 air compressor is not building pressure, it could be due to a few common problems:

1. Faulty Check Valve:

A defective check valve could allow air to flow back into the pump when the compressor is off, leading to insufficient pressure.

2. Air Leaks:

Leaks in your air hose or elsewhere in the system can result in pressure loss. Inspect all seals and connections for leaks and replace any damaged parts as necessary.

3. Damaged Pump:

Wear and tear on the compressor pump, such as worn seals or cracked rings, can prevent the compressor from building pressure. You may need professional help to repair or replace the pump.

4. Blocked Air Filter:

If the air filter is clogged, it can restrict airflow into the compressor, preventing it from building the right amount of pressure.

Remember, if you’ve checked for these potential issues and your compressor is still not building pressure correctly, consult a professional or contact Dewalt customer service for further assistance.

Dewalt D55146 Air Compressor Reset Button:

The reset button on your Dewalt D55146 Air Compressor plays a crucial role in ensuring the safety and proper functioning of your device.

This button, typically located on the motor, is designed to break the circuit during an overload or short circuit situation, thereby protecting the motor from overheating or potential damage.

If your compressor shuts off unexpectedly or won’t start, it’s essential to check this reset button.

Here’s how you can do it:

1. Disconnect the compressor from the power source.

2. Locate the reset button, often found on the motor housing. It’s usually a red or black button.

3. Press the reset button firmly. If it was tripped, you should feel it click into place.

4. Connect the compressor back to the power source and try starting it. If you’ve followed these steps and your compressor still doesn’t start, there could be a more serious issue.

In this case, it’s recommended to contact a professional or Dewalt customer service for further assistance.

Dewalt D55146 Air Compressor Won’t Turn On:

If your Dewalt D55146 Air Compressor won’t turn on, there are various potential causes you can check:

• Power Issues: Ensure that the compressor is connected to a working power outlet. Try a different outlet if necessary. If you’re using an extension cord, plug the compressor directly into the outlet to rule out any issues with the cord.

• Power Cord: Check the power cord for any signs of damage like cuts, frays or burns. If the cord is damaged, you may need to have it replaced.

• Motor Reset Button: The compressor’s motor has a reset button which may have tripped. Press the reset button to restart the motor.

• Pressure Switch: If the pressure switch is defective or not set correctly, it may prevent the compressor from starting. Try adjusting the pressure switch settings to see if the compressor starts.

• Check Valve: If the check valve is defective, it could restrict airflow causing the motor to stall, thus preventing the compressor from starting.

If you’ve tried these steps and your Dewalt D55146 air compressor still doesn’t turn on, it may be time to consult a professional or contact Dewalt customer service for further assistance.

Be reminded that it’s dangerous to attempt fixing serious electrical issues on your own if you’re not familiar with the process.

Dewalt D55146 Air Compressor Check Valve Problem:

When you are facing a check valve problem with your Dewalt D55146 Air Compressor, it’s crucial to diagnose and troubleshoot it properly.

The check valve is responsible for ensuring that air flows in only one direction. If it’s faulty or damaged, it can cause several issues including the compressor not starting, not building up enough pressure, or causing the motor to stall.

Here are a few steps to diagnose a check valve problem:

1. Disconnect the compressor from the power source for safety.

2. Locate the check valve. It’s typically found on the compressor tank.

3. Check for any signs of damage on the valve.

4. If you’re unsure about the condition of your check valve, consider performing a check valve test. This usually involves removing the valve and trying to pass air through it in both directions. If air passes in both directions, the check valve is faulty and needs to be replaced.

5. If the check valve needs to be replaced, ensure you get a replacement part that is compatible with your Dewalt D55146 model.

6. After replacing the check valve, connect your compressor back to the power source and monitor it to see if the problem persists. Remember, always prioritize safety when dealing with compressed air and electrical components.

If you’re unsure about any step or the problem persists, it’s advisable to consult with a professional or reach out to Dewalt customer service.

Dewalt D55146 Air Compressor Cleaning Tips:

Keeping your Dewalt D55146 Air Compressor clean is vital for its longevity and optimal performance. Here are some cleaning tips that can help you maintain your device:

1. Exterior Cleaning:

Use a soft, damp cloth to wipe down the exterior of the compressor. Avoid using abrasive cleaners as they may damage the finish.

2. Air Filter Cleaning:

The air filter should be cleaned regularly to prevent dust and debris from clogging it. Remove the filter cover, take out the filter, and clean it using soapy water. Allow it to dry completely before reassembling.

3. Drain Tank:

Condensation can build up in the air tank, leading to rust over time. Always make sure to drain the tank after each use. The drain valve is typically located at the bottom of the tank.

4. Check Valve Cleaning:

If the check valve is dirty, it can lead to performance issues. Remove the valve and clean it using a brush and soapy water. Rinse thoroughly and allow it to dry before reinstalling.

5. Hose Cleaning:

Regularly inspect and clean the air hose. If there is any sign of wear or tear on the hose, consider replacing it to prevent potential air leaks. Remember, always disconnect the air compressor from the power source before cleaning.

For more detailed information, refer to your Dewalt D55146 Air Compressor user manual.

Dewalt D55146 Air Compressor Lubrication Tips:

Proper lubrication of your Dewalt D55146 Air Compressor is key to ensuring a long lifespan and smooth operation. Here are some lubrication tips you can follow:

1. Oil Selection:

Use only the recommended oil for your compressor. Usually, a high-quality synthetic oil is recommended. Check your user manual for specific oil recommendations for your model.

2. Oil Level:

Check the oil level regularly. It should always reach the indicated level on the sight glass. Too much or too little oil can lead to problems.

3. Oil Change:

Regularly change the oil. Over time, oil can degrade and lose its lubricating properties. Refer to your user manual for the recommended oil change interval.

4. Lubricate Moving Parts:

Besides the oil in the compressor pump, other moving parts may require occasional lubrication. Check with your user manual to see if there are any other components that need lubrication.

5. Seals and O-Rings:

Don’t forget about seals and o-rings. These components often need a thin layer of lubricant to ensure a tight seal and prevent air leaks.

Remember, always follow the manufacturer’s instructions when it comes to maintenance and lubrication. If you’re unsure, it’s best to contact Dewalt customer service or a professional.

Storing Your Dewalt D55146 Air Compressor:

Storing your Dewalt D55146 Air Compressor properly can prevent damage and extend its lifespan. Follow these tips for safe storage:

1. Drain the Tank:

Always drain the tank after use to prevent rust from condensation.

2. Disconnect Power:

Unplug the compressor and ensure it’s off before storing.

3. Clean and Dry:

Clean the exterior of the compressor and ensure it is dry before storing.

4. Cover:

Use a protective cover to shield the compressor from dust and moisture.

5. Cool and Dry Location:

Store the compressor in a cool, dry place away from direct sunlight or harsh weather conditions.

6. Avoid Stacking:

Avoid stacking items on top of the compressor to prevent damage.

7. Regular Checks:

Even in storage, regularly check the compressor for any signs of rust, damage or leakage. Remember, improper storage can lead to damage and affect the performance of your Dewalt D55146 Air Compressor.

Always consult your user manual or contact Dewalt customer service if you’re unsure about the storage procedures.