TROUBLESHOOTING

If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.

When diagnosing faults in operation of the pole chain saw, always make sure the hydraulic power source is supply- ing the correct hydraulic flow and pressure as listed in the table. Use a flowmeter know to be accurate. Check the flow with the hydraulic fluid temperature at least 80 °F/27 °C.

PROBLEM

CAUSE

SOLUTION

Cuts slow.

Insufficient fluid flow or low relief

Adjust fluid flow to proper gpm. For

 

valve setting.

optimum performance adjust relief

 

 

valve to 2250 psi/155 bar.

 

Chain dull.

Sharpen per instructions or replace.

 

Back-pressure too high.

Should not exceed 250 psi/17 bar at

 

 

rated flow measured at the end of the

 

 

tool operating hoses.

Bar turns color.

Insufficient oiler flow.

Adjust oiler per service instructions.

Tool does not run.

Power unit not functioning.

Check power unit for proper flow and

 

 

pressure 4–6 gpm/15–22 lpm at 1500

 

 

psi/104 bar minimum for CS28. 7–9

 

 

gpm/26–34 lpm at 1000 psi/70 bar

 

 

minimum for the CS25.

 

Coupler or hoses blocked.

Remove obstruction.

 

Mechanical failure.

Disassemble tool and inspect for

 

 

damage.

Tool runs backwards.

Pressure and return hoses reversed.

Correct for proper flow direction.

 

 

Motor shaft rotates clockwise.

Oil leakage around drive

Motor shaft seal failure.

Replace as required. Make sure that

sprocket.

 

oil present is not the result of excess

 

 

oiler flow.

On/Off trigger is hard to press.

Pressure and return hoses reversed.

Correct for proper flow direction.

 

Back-pressure too high.

Should not exceed 250 psi/17 bar at

 

 

rated flow measured at the end of the

 

 

tool operating hoses.

Motor sections oil leakage.

Motor face seal failure.

Replace as required.

18 ► CS25/28 User Manual

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Stanley Black & Decker CS25/28 manual Troubleshooting, Problem Cause Solution
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CS25/28 specifications

The Stanley Black & Decker CS25/28 stands out in the market of power tools, particularly for professionals in the construction and automotive industries. This tool represents a blend of advanced engineering and user-focused design, making it an essential piece of equipment for various cutting applications.

The CS25/28 is built with a powerful motor that delivers exceptional performance, ensuring that it can tackle heavy-duty tasks with ease. Its high RPM capability allows users to complete jobs quickly, saving valuable time on the job site. The tool's robust construction provides durability, allowing it to withstand the rigors of daily use in demanding environments.

One of the standout features of the CS25/28 is its ergonomic design. The tool incorporates a comfortable grip that reduces user fatigue, enabling extended use without strain. This is particularly important for professionals who rely on their tools for hours at a time. Additionally, the weight distribution of the tool has been optimized to enhance balance and control, making it easier to handle during intricate work.

The CS25/28 is equipped with several advanced technologies to enhance its cutting capabilities. For instance, it features a precision cutting blade that ensures clean and accurate cuts across various materials, including wood, metal, and plastic. The blade's design minimizes friction, which helps extend its lifespan and maintain cutting efficiency.

Another noteworthy technology is the tool's adjustable speed settings. This allows users to customize the cutting speed according to the material they are working with, providing flexibility and precision for different applications. The variable speed control ensures the best results whether engaging in delicate tasks or high-speed cutting.

Safety is paramount, and the CS25/28 comes with several integrated safety features. It includes a safety switch that prevents accidental startups, ensuring that the tool is only operational when the user intends it to be. Additionally, the sturdy blade guard offers added protection, making it safer for users during operation.

In conclusion, the Stanley Black & Decker CS25/28 is a versatile, powerful, and user-friendly tool that meets the needs of professionals across various industries. With its robust motor, advanced technologies, ergonomic design, and safety features, it stands as a reliable choice for anyone looking to invest in a high-quality cutting tool. Whether for construction, automotive repair, or DIY projects, the CS25/28 delivers exceptional performance and reliability.
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