The Craftsman 919 Air Compressor is an efficient and reliable piece of equipment, but like all mechanical devices, it can encounter operational issues from time to time.

This guide aims to provide a Craftsman troubleshooting guide, aiding you in identifying and rectifying these issues promptly.

The identification of problems and the execution of solutions should always be executed with safety as the highest priority.

No matter your level of expertise, this troubleshooting guide will aid you in maintaining your compressor’s optimal performance and longevity.

Craftsman Air Compressor Model 919 Troubleshooting:

To troubleshoot the Craftsman Air Compressor Model 919, it’s best to start with a visual inspection of the components.

Check for any signs of damage or wear and tear on the belts, hoses, air tank, or other parts. If you find any problems like these, get them taken care of as soon as possible.

Other common problems include a motor that won’t run, air leakage, or decreased pressure.

Each issue has its own set of causes and solutions, making troubleshooting a crucial step in maintaining the efficiency of your compressor.

23 Common Craftsman 919 Air Compressor Problems And Solutions:

Craftsman 919 air compressors are versatile and powerful tools that can be used for a variety of projects. From inflating tires to powering up nail guns, these compressors provide reliable performance in all kinds of applications.

Here are 23 common Craftsman 919 air compressor problems and their solutions.

1. Overheating:

If your compressor is running hotter than usual, it may be due to inadequate ventilation or a malfunctioning motor. Ensure the motor’s cooling system is operational, and the compressor is placed in a well-ventilated area.

2. Air Leak:

Air leaks are a common issue and can drastically reduce the efficiency of your compressor. Regularly check for and repair any leaks in the hose or connections.

3. Oil Leakage:

If your Craftsman 919 air compressor is leaking oil, it could indicate a problem with the gasket. Replacing the gasket should fix this issue.

4. Pressure Issues:

If the compressor can’t build up enough pressure, it could be due to a defective pressure switch or a damaged valve. Check these components and replace if necessary.

5. Excessive Noise:

While all compressors make some noise, excessive noise can indicate a problem. Common causes include loose parts, insufficient oil, or a failing motor.

6. Motor Failure:

If the motor fails to start, it could be due to a faulty capacitor. In such cases, capacitor replacement is necessary.

7. Slow Pumping:

If your compressor is pumping slowly, the pump might be malfunctioning. Cleaning or replacing the pump can solve this problem.

8. Tripping Circuit Breaker:

If your compressor is consistently tripping the circuit breaker, this could indicate an electrical issue. Consult a professional electrician for this problem.

9. Tank Not Holding Pressure:

If the tank isn’t holding pressure, there may be a leak in the tank itself. This is a serious issue that often requires tank replacement.

10. Worn Belts:

If the belts on your Craftsman 919 air compressor are worn out, they need to be replaced to prevent further damage.

11. Clogged Filters:

Clogged filters can restrict the flow of air, so replacing them regularly is essential.

12. Insufficient Air Pressure:

If you’re not getting enough air pressure, check for blockages in the line and make sure all connections are secure.

13. Damaged Piston Rings:

Damaged piston rings can reduce compression rates and cause other issues. Inspect and replace if necessary.

14. Lack of Oil:

If your compressor has inadequate oil levels, this can cause serious damage to the motor. Make sure to check and fill up the oil regularly.

15. Leaking Pressure Relief Valve:

The pressure relief valve prevents over-pressurization and should not be leaking. Replace if necessary.

16. Malfunctioning Regulator:

The regulator controls the air pressure output and should be functioning properly. Check and adjust the settings accordingly.

17. Faulty Pressure Switch:

The pressure switch is responsible for turning your compressor on and off when the desired pressure is achieved. Replace if necessary.

18. Startup Problems:

Startup problems can indicate an issue with the starter or a voltage problem. Consult an electrician to diagnose this issue accurately.

19. Broken Fittings:

Broken fittings can cause air leaks and other issues. Always check for any loose or broken parts and fix as needed.

20. Unstable Operation:

If your compressor is unstable, it could be due to a worn motor mount, vibration problems, or an uneven surface. Ensure the compressor is placed on a steady surface and inspect all components.

21. Oil Contamination:

Oil contamination occurs when dirt and other debris get into the oil. This can lead to major damage, so it’s important to check for contamination regularly and fix any problems quickly.

22. Dirty Intake Filter:

A dirty intake filter can reduce the air flow and cause inefficient operation. Clean or replace the filter as needed.

23. Worn Bearings:

Worn bearings may cause abnormal noise levels and reduced efficiency. Make sure to inspect and replace any worn bearings. By regularly inspecting your Craftsman 919 air compressor for any problems and addressing them quickly, you can ensure it runs smoothly and efficiently.

With the right maintenance, this reliable brand of compressors will keep running for years to come.

Always follow manufacturer instructions when servicing or troubleshooting your machine, and if in doubt, contact a professional for assistance.

With the right care and attention, your compressor will be a dependable workhorse in your garage or workshop.

Benefits Of Troubleshooting Craftsman 919 Air Compressor:

Troubleshooting your Craftsman 919 Air Compressor offers several benefits.

Firstly, it helps in identifying any underlying issues before they escalate, thus extending the lifespan of the compressor.

Regular troubleshooting can also enhance the compressor’s performance, ensuring it operates at its optimum.

Additionally, it promotes safety by identifying potential hazards early. Lastly, troubleshooting may result in energy savings, as a well-maintained compressor uses less power compared to one with unresolved issues.

Maintenance Tips For Your Craftsman 919 Air Compressor:

Maintaining your Craftsman 919 air compressor properly ensures optimal performance and extends its life. Here are some tips:

1. Regular Inspections:

Examine your compressor for any signs of wear and tear. Check components such as the air filter, belts, and valves. Replace any worn-out parts to prevent further damage.

2. Timely Oil Changes:

Depending on usage, oil changes should occur every 500-1000 hours of operation. Use only the manufacturer’s recommended oil.

3. Air Filter Maintenance:

Clean or replace the air filter regularly. A dirty air filter forces the compressor to work harder, reducing its efficiency and potentially causing damage.

4. Drain Moisture:

Always remember to drain the moisture from the tank after each use. Accumulated moisture can cause internal rusting.

5. Temperature Checks:

Avoid operating your compressor in extreme temperatures. Excessive heat can lead to overheating, while cold can cause parts to seize.

6. Proper Storage:

Store your compressor in a clean, dry place to prevent rusting and dust accumulation.

Remember, safety first. Always disconnect the power supply before performing any maintenance tasks.

How Do You Reset A Craftsman 919 Air Compressor?

Resetting your Craftsman 919 Air Compressor involves a few straightforward steps:

1. Ensure the compressor is switched off and unplugged from the power source for safety.

2. Locate the pressure switch on your air compressor. It’s usually a red or black knob or button often found near the air pressure gauge.

3. Pull the pressure switch up or push down, depending on the model, to reset it. Some models may require turning the knob clockwise or anti-clockwise.

4. Plug the compressor back into the power source and turn it on to check if the reset was successful. Remember, always refer to your user manual for specific resetting instructions pertaining to your Craftsman 919 model.

If the compressor still doesn’t work after the reset, it may indicate a more serious issue that requires professional attention.

How Do I Know If My Craftsman 919 Air Compressor Is Bad?

Identifying potential issues with your Craftsman 919 Air Compressor is vital to maintain its optimal performance. Common signs that your compressor may be malfunctioning include:

1. Inadequate Pressure:

If your compressor is not building up pressure as it should, or the pressure drops rapidly during use, there might be a problem. This could be due to leaks, a faulty check valve, or a worn-out pump.

2. Excessive Noise:

While air compressors are generally loud, any unusual or excessive noise could indicate an issue. This might be due to loose parts, motor malfunctions, or an overworked compressor due to a dirty air filter.

3. Overheating:

If your compressor is consistently overheating, it may be a sign of a problem. Possible causes include inadequate ventilation, high ambient temperature, or a malfunctioning motor.

4. Increased Power Consumption:

A significant increase in power consumption without a corresponding increase in usage might indicate that your compressor is working harder than it should. This could be due to issues like leaks or a clogged filter.

5. Tripped Breaker or Blown Fuse:

If your compressor trips the breaker or blows a fuse frequently, it may be a sign of electrical issues or an overworking compressor.

Remember, if you cannot troubleshoot or fix these problems yourself, it’s advisable to seek professional help to avoid causing further damage. Always refer to your Craftsman 919 Air Compressor user manual for more specific information and guidance.

What Would Cause A Craftsman 919 Air Compressor To Not Build Pressure?

There could be several reasons why your Craftsman 919 Air Compressor is not building pressure effectively. A common reason is a leak in the system.

This could be due to cracks in the hose, a faulty seal, or damaged valves. Another possible cause could be a faulty check valve which prevents the accumulated pressure from staying in the tank.

The pump might also be worn out, reducing its capacity to build up pressure. Additionally, a blocked air filter could force the compressor to work harder, hampering its ability to build up pressure effectively.

Lastly, the problem might be with the pressure switch itself; if it’s not set properly or is malfunctioning, it could prevent the compressor from building up the desired pressure.

Always remember to refer to your Craftsman 919 user manual or consult a professional if you’re unsure or uncomfortable performing any troubleshooting steps.

Craftsman 919 Air Compressor Won’t Start:

If your Craftsman 919 Air Compressor won’t start, there may be several potential reasons. The issue could lie in the power supply, so ensure the compressor is plugged into a working electrical outlet.

Test the outlet with another device to rule out issues with the circuit. Additionally, check the circuit breaker or fuse box; a tripped breaker or blown fuse could prevent the compressor from starting.

It’s also possible that the pressure switch is malfunctioning or not properly set, preventing the motor from running.

Another potential cause could be a motor issue; signs of this include a humming noise or stalled movement.

Finally, look for any visible damage to the compressor’s components, such as frayed cords or damaged valves, that may hinder its operation.

If, after checking these elements, the compressor still does not start, it is recommended to consult with a professional or contact Craftsman customer service for further assistance.

Craftsman 919 Air Compressor Not Building Pressure:

If your Craftsman 919 Air Compressor is not building pressure, the first thing to consider is the presence of any leaks.

A hissing sound while the compressor is running is a telltale sign of this. External leaks can be found in the hose, fittings or the tank itself. If there are no external leaks, the problem may lie internally, possibly due to a defective check valve.

If the valve is damaged, it may allow air to escape from the tank back into the pump, resulting in low or no pressure build-up. Another reason could be a malfunctioning pressure switch which doesn’t cut off the motor when the tank reaches the required pressure.

A worn-out pump can also lead to a lack of pressure as it becomes inefficient at compressing air.

Remember to always consult your Craftsman 919 user manual or a professional for help when dealing with internal issues.

Craftsman 919 Air Compressor Reset Button:

The reset button on your Craftsman 919 Air Compressor is a crucial safety feature. It protects the motor from damage by triggering a shutdown if the compressor is overloaded or overheating.

If your air compressor shuts down unexpectedly, it may be due to the reset button being activated. To reset your Craftsman 919 Air Compressor, locate the reset button, often found near the motor housing.

Press the button firmly until it clicks into place. Before restarting, ensure the compressor is cool and check for any issues that may have caused the overload, such as a clogged air filter or a malfunctioning motor.

For safety, always unplug the compressor before pressing the reset button. As always, refer to your Craftsman 919 user manual for specific reset instructions and safety guidelines.

Craftsman 919 Air Compressor Won’t Turn On:

If your Craftsman 919 Air Compressor won’t turn on, there may be a few underlying issues. First, check the power source.

Ensure the compressor is plugged in properly and that the electrical outlet is functioning. A simple way to test this is by plugging in a different appliance.

Next, check the circuit breaker associated with the outlet; a tripped circuit could be the cause. Another possibility is a faulty pressure switch; if it’s not working correctly, it may not send the signal to start the motor.

Lastly, it could be a motor issue. If the motor is making a humming noise or not moving at all, it might need repair or replacement.

However, if you are unable to identify or resolve the issue, it is advisable to seek professional help.

Always refer to your Craftsman 919 Air Compressor user manual for more specific troubleshooting advice.

Craftsman 919 Air Compressor Check Valve Problem:

If your Craftsman 919 Air Compressor is experiencing check valve issues, it may struggle to build pressure or the motor may overheat.

The check valve, which is responsible for directing the flow of air into the tank while preventing backflow, could be damaged or malfunctioning.

Signs of a check valve problem include constant air leaking from the air unloader when the air compressor is not running and difficulty in building pressure.

To fix this, you will need to examine the check valve. If it’s dirty, clean it out, but if it’s damaged, replace it.

Always ensure the power is turned off and the compressor is depressurized before performing any maintenance.

As always, refer to your Craftsman 919 user manual for specific instructions or engage a professional if unsure.

Craftsman 919 Air Compressor Cleaning Tips:

Maintaining the cleanliness of your Craftsman 919 Air Compressor is critical for its optimal performance and longevity.

Begin by unplugging the compressor and removing any attached hoses. With a damp cloth, wipe the exterior of the compressor to remove dust and grime; pay special attention to the motor housing and pump where dust often accumulates.

For tighter spots, a small brush or compressed air can help dislodge dust. Check the air filter regularly, if it’s dirty, clean it with warm soapy water, rinse, and let it dry completely before reinserting.

If the filter is damaged, replace it. The tank drain valve should also be opened periodically to remove accumulated moisture; this prevents internal rusting.

After cleaning, ensure all components are dry before reassembling. Always follow the cleaning guidelines provided in your Craftsman 919 user manual to avoid causing unintentional damage to your air compressor.

Craftsman 919 Air Compressor Lubrication Tips:

Proper lubrication is critical for the longevity and optimal operation of your Craftsman 919 Air Compressor.

The pump, being the heart of the compressor, demands regular lubrication with a high-quality, non-detergent compressor oil.

To lubricate the pump, locate the oil cap on its side. Unscrew the cap and pour in the oil to the indicated level.

For the motor bearings, use a light machine oil to keep them running smoothly. Be careful not to overfill or use an inappropriate oil, as this may cause damage.

Periodically check the oil level of your compressor; if you notice the oil turning dark or dirty, it is time to change it.

Flush out the old oil completely before adding new oil to avoid contamination. Always refer to your Craftsman 919 user manual for specific lubrication instructions and guidelines.

Remember that proper maintenance ensures a longer life for your air compressor.

Storing Your Craftsman 919 Air Compressor:

Storing your Craftsman 919 Air Compressor properly is crucial in ensuring its longevity and optimal operation.

Choose a dry, clean, and well-ventilated area for storage to prevent moisture buildup and overheating.

Before storing, make sure the compressor is cleaned, lubricated, and thoroughly dried to prevent rusting and other damages.

It’s essential to drain any remaining air in the tank and disconnect it from the power source. If the compressor will be unused for an extended period, cover it to protect from dust and debris.

Finally, it’s advisable to periodically check the compressor during storage for any signs of damage or issues.

As always, refer to your Craftsman 919 user manual for specific storage instructions and safety guidelines.