BM 2610957380 02-09:BM FNS250-16 06-09 6/17/09 8:05 AM Page 14

Troubleshooting

PROBLEM

SYMPTOMS

RESOLUTION

 

 

 

Nailer operates, but no

• Check for a jam.

• Clear a jam.

nail is driven.

• Check function of nail follower.

• Clean and lubricate.

 

• Follower spring weakened or damaged?

• Replace follower spring.

 

• Check for proper nails.

• Use only recommended nails.

 

• Verify tool is loaded.

• Reload tool.

 

 

 

Nail driving action seems

• Check air pressure is in operational range.

• Increase air pressure (Do not exceed 120 psi).

slow or weak.

• Driver blade worn?

• Use pneumatic tool lubricant.

 

• Piston O-ring worn or damaged?

• Contact Bosch for replacement or repair.

 

• Bumper worn?

• Replace Bumper.

 

• Check recommend hose diameter and length.

• Follow recommendations.

 

 

• Check hose for kinks.

 

 

 

Tool drives nails too

• Check air pressure.

• Reduce air pressure. Min. Operational

deep.

• Check Depth of Drive.

pressure 60 psi.

 

• Check bumper wear.

• Use “Depth of Drive Adjustment”.

 

 

• Replace bumper.

 

 

 

Tool drives nails too

• Check air pressure.

• Increase air pressure. Max. Operational

shallow.

• Check Depth of Drive.

pressure 120 psi.

 

• Check recommend hose diameter and length.

• Use “Depth of Drive Adjustment”.

 

 

• Follow recommendations.

 

 

• Check hose for kinks.

 

 

 

Tool skips nails or has

• Check for proper nails.

• Use only recommended nails.

intermittent feed.

• Check function of magazine per page 7.

• Clean and lubricate.

 

• Follower spring weakened or damaged?

• Replace follower spring.

 

• Piston O-ring cut or heavily worn?

• Contact Bosch for replacement.

 

 

 

Nails jam frequently.

• Check for proper nails.

• Use only recommended.

 

 

 

Driven nails are bent.

• Driver blade worn?

• Contact Bosch for replacement.

 

 

 

Nails driven properly

• Check inside diameter of air hose.

• Use correct air hose.

during normal operation,

• Check suitability of compressor.

• Use correctly sized compressor for number of

but does not drive fully at

 

tools used and work rate.

faster nailing speeds.

 

 

 

 

 

14.

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Bosch Power Tools FNS250-16 manual Troubleshooting, Problem Symptoms Resolution
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FNS250-16 specifications

The Bosch Power Tools FNS250-16 is a powerful and versatile finish nailer designed for both professional contractors and DIY enthusiasts alike. Engineered for utmost precision and reliability, the FNS250-16 excels in a variety of applications, from cabinet making to trim installation, showcasing Bosch's commitment to performance and innovation in the power tools market.

One of the standout features of the FNS250-16 is its lightweight and compact design. Weighing only 4.3 pounds, it ensures ease of handling and maneuverability, reducing user fatigue during prolonged use. This makes it an ideal choice for those working in tighter spaces or on detailed projects where precision is key.

The FNS250-16 boasts a robust motor that drives 16-gauge finish nails ranging from 1 inch to 2.5 inches in length. This versatility allows users to tackle various materials and applications with ease. Furthermore, the tool features a tool-free depth adjustment system, enabling users to set the depth of drive quickly and effortlessly, ensuring that nails are driven flush or slightly below the surface as required.

Another significant technology integrated into the FNS250-16 is its Low Nail Lock-Out feature. This intelligent design prevents dry firing, protecting both the work surface and the tool itself. Users are notified when the nail supply is low, allowing for seamless work without disruptions.

The FNS250-16 also includes a convenient on-tool air duster, which helps clean the work area before and after use, enhancing overall efficiency and ensuring a tidy workspace. The integrated LED light illuminates dark work areas, making it easier to see the surface and drive nails accurately.

Moreover, the finish nailer features an adjustable exhaust portal that directs air away from the user, keeping the work area clear without interfering with visibility. The ergonomic handle design provides a comfortable grip, further enhancing control and reducing strain during extended tasks.

In conclusion, the Bosch Power Tools FNS250-16 is a state-of-the-art finish nailer that combines power, efficiency, and user-friendly features. Whether you're a professional contractor or a dedicated DIYer, this tool is designed to meet your needs while delivering top-notch performance and reliability on the job.
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