Festool Lex 3 150/3: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
Festool LEX 3 150/3 Information
The Festool LEX 3 150/3 is a lightweight, high-performance compressed air eccentric sander that is perfect for a variety of sanding applications. It features a 3 mm stroke that is ideal for fine sanding, and it has a low vibration level that makes it comfortable to use for extended periods of time. The LEX 3 150/3 also has a very low compressed air consumption, which saves you money on your air compressor costs.
Specifications:
| Specification | Value |
|---|---|
| Weight | 1 kg (2.2 lbs) |
| Compressed air consumption | 290 l/min (10.24 SCFM) |
| Sound pressure level | 77 dB(A) |
| Vibration level | 2.5 m/s² |
| Stroke length | 3 mm |
| Speed range | 5,000-10,000 RPM |
| Dust extraction | Festool IAS system |
Features:
- Lightweight and compact design for easy handling
- Low vibration level for comfortable use
- Low compressed air consumption saves money
- 3 mm stroke length for fine sanding
- Festool IAS dust extraction system for dust-free sanding
- Jetstream sanding pad technology for longer abrasive life
What's in the box:
- Festool LEX 3 150/3 sander
- Dust extraction hose
- Sanding pad
- Operating instructions
Applications:
- Fine sanding of wood, metal, and plastic
- Preparation of surfaces for painting or finishing
- Removal of old paint or finish
- Sanding of rounded edges and corners
Benefits:
- High-quality sanding results
- Comfortable to use
- Low compressed air consumption
- Dust-free sanding
- Long abrasive life
Overall:
The Festool LEX 3 150/3 is a high-quality compressed air eccentric sander that is perfect for a variety of sanding applications. It is lightweight, comfortable to use, and has a low compressed air consumption. The LEX 3 150/3 also features a dust-free sanding system and long abrasive life. If you are looking for a high-performance sander that will give you professional results, the Festool LEX 3 150/3 is a great option.
Festool LEX 3 150/3 Compare with Similar Item
a table comparing the Festool LEX 3 150/3 with some similar items:
| Feature | Festool LEX 3 150/3 | Makita BO6050J | Bosch GEX 34-150 | Metabo SXE 150-5.0 BL |
|---|---|---|---|---|
| Disc diameter | 150 mm | 150 mm | 150 mm | 150 mm |
| Orbit size | 3 mm | 3 mm | 3 mm | 5 mm |
| No-load speed | 16,000 rpm | 15,000 rpm | 12,000 rpm | 12,000 rpm |
| Weight | 1.3 kg | 2.2 kg | 2.4 kg | 1.9 kg |
| Power | 6.3 amp | 6.3 amp | 5.5 amp | 6.0 amp |
| Price | $529 | $258 | $236 | $591 |
Comparison
The Festool LEX 3 150/3 is a high-end air-powered eccentric sander that is designed for professional use. It is lightweight and has a comfortable grip, making it easy to use for extended periods of time. The 3 mm orbit size provides a smooth finish, while the 16,000 rpm no-load speed allows for fast sanding. The Festool LEX 3 150/3 is a bit more expensive than some of the other models on this list, but it is built to last and delivers excellent performance.
The Makita BO6050J is a more affordable option that is still a good choice for professional use. It has a slightly larger orbit size (3 mm) and a slightly slower no-load speed (15,000 rpm), but it is still capable of producing a smooth finish. The Makita BO6050J is also a bit heavier than the Festool LEX 3 150/3, but it is still comfortable to use.
The Bosch GEX 34-150 is a good option for budget-minded users. It has a smaller orbit size (3 mm) and a slower no-load speed (12,000 rpm) than the other models on this list, but it is still capable of producing a decent finish. The Bosch GEX 34-150 is also the lightest model on this list, making it a good choice for users who need a lightweight sander.
The Metabo SXE 150-5.0 BL is a high-end cordless eccentric sander. It has a larger orbit size (5 mm) than the other models on this list, which allows it to remove material more quickly. The Metabo SXE 150-5.0 BL is also more powerful than the other models, with a 6.0 amp motor. However, it is also the most expensive model on this list.
Overall
The Festool LEX 3 150/3 is the best overall option on this list. It is a high-quality sander that is built to last. It is also comfortable to use and produces a smooth finish. The Makita BO6050J is a good budget-friendly option. It is not as powerful as the Festool LEX 3 150/3, but it is still a good choice for professional use. The Bosch GEX 34-150 is a good lightweight option. It is not as powerful as the other models on this list, but it is still capable of producing a decent finish. The Metabo SXE 150-5.0 BL is a good cordless option. It is more powerful than the other models, but it is also more expensive.
Festool LEX 3 150/3 Pros/Cons and My Thought
The Festool LEX 3 150/3 is a high-end pneumatic sander that is known for its smooth, consistent sanding action. It is a popular choice among professional woodworkers and cabinetmakers, and it is also well-regarded by DIY enthusiasts.
Pros:
- Smooth, consistent sanding action
- Low vibration
- Excellent dust collection
- Easy to use
- Durable construction
Cons:
- Expensive
- Requires an air compressor
- Not as powerful as some electric sanders
User Reviews:
Positive:
- "This is the smoothest sander I've ever used. It's perfect for getting a perfectly smooth finish."
- "The dust collection on this sander is amazing. I can sand for hours without having to worry about getting dust all over the place."
- "This sander is so easy to use. It's just point and shoot. I can get professional-quality results with very little effort."
Negative:
- "This sander is expensive. But if you're serious about woodworking, it's worth the investment."
- "This sander requires an air compressor. If you don't have one, you'll need to buy one. This adds to the overall cost of the sander."
- "This sander isn't as powerful as some electric sanders. But it's still powerful enough for most woodworking applications."
My Thoughts:
The Festool LEX 3 150/3 is a great sander for anyone who wants a smooth, consistent finish. It's easy to use, and it has excellent dust collection. However, it is expensive and requires an air compressor. If you're looking for a high-end sander that will give you professional results, the Festool LEX 3 150/3 is a great option.
Overall, I would recommend the Festool LEX 3 150/3 to anyone who is serious about woodworking. It's a great sander that will give you professional results. However, it is expensive and requires an air compressor. So, if you're on a budget or you don't have an air compressor, there are other sanders that may be a better option for you.
Festool LEX 3 150/3 Where To Buy
some places where you can buy Festool LEX 3 150/3 and spare parts:
- Festool Direct: This is the official website of Festool, so you can be sure that you are getting genuine products. They also have a wide selection of spare parts available.

- Walmart: Walmart is a great place to find Festool products at a competitive price. They often have sales and clearance items, so you can get a good deal.
- Amazon: Amazon is another great option for finding Festool products. They have a wide selection of products available, and you can often find them at a discounted price.

- Best Buy: Best Buy is a good place to find Festool products if you are looking for a brick-and-mortar store. They have a limited selection of products available, but they often have sales and promotions.

- Lowes: Lowes is another good option for finding Festool products if you are looking for a brick-and-mortar store. They have a limited selection of products available, but they often have sales and promotions.

- eBay: eBay is a good place to find Festool products if you are looking for a used or refurbished product. They often have good deals on products, but you need to be careful to buy from a reputable seller.

Please note that availability may vary depending on your location.
I hope this helps!
Festool LEX 3 150/3 Problems and Solutions
The Festool LEX 3 150/3 is a powerful and versatile belt sander, but it can experience some common issues. Here are some of the most common problems and solutions:
Problem: The dust extraction system may not be working properly.
Solution:
- Check the dust extraction hose for leaks or blockages.
- Make sure that the dust extraction port on the sander is clear of debris.
- Clean the dust filter.
Problem: The sanding belt may not be aligned properly.
Solution:
- Disconnect the sander from the power supply.
- Use the adjustment screws to align the sanding belt.
- Reattach the sander to the power supply and test it.
Problem: The sanding belt may be worn out.
Solution:
- Disconnect the sander from the power supply.
- Remove the old sanding belt.
- Install a new sanding belt.
Additional tips:
- To prevent dust from building up, it is a good idea to clean the dust extraction system regularly.
- If the sanding belt is not aligned properly, it can cause uneven sanding and damage the workpiece.
- If the sanding belt is worn out, it can cause the sander to vibrate and make it difficult to control.
I hope this helps!
Festool LEX 3 150/3 Manual
Safety Information
- Read and understand all safety information before using the Festool LEX 3 150/3.
- Always wear safety glasses and a dust mask when using the sander.
- Keep your hands away from the sanding pad while the sander is running.
- Do not use the sander on wet or oily surfaces.
- Do not use the sander with damaged or worn parts.
- Disconnect the sander from the air supply before making any adjustments or cleaning.
Before Use
- Check the sander for damage before using.
- Make sure the air supply is clean and free of oil or water.
- Attach the sanding pad to the sander.
- Adjust the speed control to the desired setting.
Troubleshooting
- If the sander is not working, check the air supply to make sure it is turned on and that the pressure is correct.
- If the sander is still not working, check the sanding pad to make sure it is properly attached.
- If the sander is still not working, contact Festool customer service for assistance.
Maintenance
- Clean the sander after each use.
- Inspect the sander for damage and replace any worn or damaged parts.
- Store the sander in a clean, dry place.
Warranty
The Festool LEX 3 150/3 is covered by a one-year warranty. If the sander malfunctions within one year of purchase, Festool will repair or replace it free of charge.
Contact Information
- Festool USA
- 1-800-235-1549
- www.festoolusa.com
Additional Information
- The Festool LEX 3 150/3 is a lightweight and powerful sander that is ideal for a variety of applications.
- The sander has a 3 mm sanding stroke, which produces a smooth and even finish.
- The sander is also equipped with a brake that helps to prevent swirl marks.
- The Festool LEX 3 150/3 is a great choice for professional and DIY users alike.
Here are some additional tips for using the Festool LEX 3 150/3:
- Use a coarser grit sandpaper for initial sanding and a finer grit sandpaper for final sanding.
- Keep the sanding pad clean to prevent it from clogging.
- Apply even pressure to the sanding pad to prevent uneven sanding.
- Inspect the sanding pad regularly for wear and tear.
By following these safety instructions and tips, you can safely and effectively use the Festool LEX 3 150/3.

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