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Clarke Gritblast Gun - SB3
The Clarke SB3 Gritblast Gun is an air-powered abrasive blasting tool designed for effective surfa...The Clarke SB3 Gritblast Gun is an air-powered abrasive blasting tool designed for effective surface preparation and cleaning. Suitable for removing rust, paint, corrosion and scale, it is ideal for workshop, garage and automotive restoration use when connected to a compatible air compressor. This handy grit blaster gun fires dry abrasive particles at high speed, quickly removing rust, scale, old paint etc. Ideal for cleaning pitted surfaces. All metal construction with a specially hardened steel nozzle and a 1-litre container for abrasive grit (aluminium oxide). It operates at 80 - 100 psi and requires a 3hp air compressor with a receiver for effective use. Features a 1/4" BSP air hose connection.
The Clarke SB3 Gritblast Gun is an air-powered tool for efficient surface preparation and cleaning, ideal for workshops and automotive restoration. Its key benefit is the rapid removal of rust, paint, and corrosion from various surfaces. A potential caveat is the requirement for a compatible air compressor with a minimum of 3hp and a receiver for optimal performance.
All features
Model Part Number
SB3
Brand
Clarke International
Extended Product Information
FAQs
What type of abrasive grit should I use?
The gun is suitable for dry abrasive particles such as aluminium oxide. Ensure the grit size is appropriate for the material you are working on and the desired level of abrasion.
Do I need a special air compressor?
Yes, a minimum of a 3hp air compressor with a receiver is required for effective operation. The operating pressure should be set between 80-100 psi.
How often do I need to refill the grit container?
The container has a 1-litre capacity. The frequency of refills depends on the intensity and duration of your blasting task.
Can this gun be used for delicate surfaces?
The SB3 is designed for robust surface preparation. For very delicate surfaces, a less aggressive abrasive media or a different tool might be more suitable. Always test on an inconspicuous area first.
What is the warranty period for the Clarke SB3 Gritblast Gun?
Please refer to the product documentation or the retailer for specific warranty information, as warranty periods can vary.
How do I maintain the hardened steel nozzle?
Keep the nozzle clean and free from debris. Periodically inspect it for wear; a worn nozzle will reduce performance and may need replacement.
Troubleshooting
Gritblast gun not firing abrasive
Check air supply pressure (ensure it's within 80-100 psi). Verify the air hose connection is secure. Ensure the grit container is correctly attached and the internal feed is not blocked. Clean the nozzle.
Low abrasive output
Increase air pressure slightly within the recommended range. Check for blockages in the grit feed path or the nozzle. Ensure the correct type and size of abrasive grit is being used. Clean the air inlet filter.
Air leaks from the gun body
Inspect all seals and connections for damage or wear. Tighten connections where appropriate. If leaks persist, contact customer support for repair or replacement parts.
Uneven blasting pattern
Ensure the nozzle is clean and free from obstructions. Check for consistent air pressure. Use a uniform abrasive grit. The nozzle may be worn and require replacement.
Pros and Cons
Pros
Rapidly removes rust, paint, and scale.
Durable all-metal construction with a hardened steel nozzle.
1-litre grit container for extended use.
Suitable for various workshop and automotive restoration tasks.
Simple to operate with standard air connections.
Cons
Requires a compatible air compressor (minimum 3hp with receiver).
Operates within a specific pressure range (80-100 psi), limiting flexibility.
Uses dry abrasive particles, which can be messy and require containment.
Primarily for surface preparation, not fine finishing.
Requires a separate supply of abrasive grit.
Setup, Compatibility & Care Instructions
Setup:
Connect Air Supply: Ensure your air compressor meets the minimum requirements (3hp with a receiver) and is set to operate between 80-100 psi. Connect the compressor hose to the 1/4" BSP air inlet on the grit blast gun.
Fill Grit Container: Unscrew the 1-litre container and fill it with your chosen dry abrasive grit (e.g., aluminium oxide). Do not overfill.
Check Connections: Ensure all air and grit connections are secure before operation.
Compatibility:
Air Compressor: Requires a minimum 3hp air compressor with a receiver tank. Operating pressure should be maintained between 80-100 psi.
Air Hose: Uses a standard 1/4" BSP air hose connection.
Abrasive Media: Suitable for dry abrasive particles like aluminium oxide.
Care:
Cleaning: After each use, empty any remaining grit from the container. Clean the nozzle and air intake area to prevent blockages. A soft brush can be used for external cleaning.
Storage: Store in a dry place to prevent rust on metal components. Ensure the grit container is clean and dry before storage.
Maintenance: Periodically inspect the hardened steel nozzle for wear and replace if necessary to maintain performance.