Stihl SG 51 SG 71 Instruction Manual

Pages 44

Year 2020

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Stihl SG 51 SG 71 Specification

The Stihl SG 51 and SG 71 are manual backpack sprayers designed for professional and demanding residential use, offering efficient performance and user comfort. Both models feature a robust construction aimed at providing durability and reliability for various spraying tasks, including agriculture, horticulture, and landscape maintenance.

The SG 51 is equipped with a 12-liter (3.2-gallon) tank, making it suitable for medium-sized tasks. It is designed with an ergonomic pump handle that can be mounted on either side, ensuring ambidextrous use and comfort. The sprayer incorporates a pressure control valve, allowing users to maintain a consistent spray pattern and pressure, enhancing precision and efficiency.

The SG 71 offers a larger 18-liter (4.75-gallon) tank capacity, catering to more extensive spraying requirements. Like the SG 51, it includes an adjustable pump handle for user convenience and a pressure control valve for optimal spraying performance. The SG 71 is designed with enhanced back padding and adjustable shoulder straps to ensure user comfort during prolonged use, particularly essential for extensive tasks.

Both models are equipped with high-quality brass nozzles, providing durability and a fine, adjustable spray pattern. They include a long spray lance and a robust hose, allowing for extended reach and flexibility during operation. The tanks are made from UV-resistant polyethylene, ensuring longevity and resistance to chemicals typically used in spraying applications.

Overall, the Stihl SG 51 and SG 71 manual backpack sprayers are engineered to deliver efficient, reliable performance with an emphasis on user comfort and adaptability, making them suitable choices for various spraying demands.

Stihl SG 51 SG 71 F.A.Q.

How do I properly assemble the Stihl SG 51 sprayer?

To assemble the Stihl SG 51 sprayer, attach the spray lance to the spray gun, connect the hose to the tank outlet, and ensure all connections are tight. Refer to the user manual for detailed assembly instructions.

What should I do if the Stihl SG 71 sprayer is leaking?

Check all seals and connections for wear or damage. Replace any faulty seals and ensure all connections are properly tightened. Regular maintenance can prevent leaks.

How can I clean the Stihl SG 51 after use?

Empty any remaining liquid from the tank, fill it with clean water, and spray through the system to flush out residues. Clean the filter and nozzle separately.

What is the recommended pressure setting for the Stihl SG 71?

The recommended pressure setting for the Stihl SG 71 is typically around 4 bar. However, always refer to the specific instructions in the user manual for your application.

How often should I perform maintenance on the Stihl SG 51?

Perform routine maintenance after every 15-20 hours of use or at least once a month. This includes checking the seals, hoses, and cleaning the nozzle and filter.

Why is the spray pattern uneven on my Stihl SG 71?

An uneven spray pattern may be due to a clogged nozzle. Remove the nozzle, clean it thoroughly with water, and check for any blockages.

Can I use chemical solutions in the Stihl SG 51 sprayer?

Yes, the Stihl SG 51 can be used with various chemical solutions, but ensure they are compatible with the materials of the sprayer and follow the manufacturer's guidelines.

What should I do if the pump on my Stihl SG 71 is not building pressure?

Check for air leaks in the system, ensure that the check valves are functioning correctly, and inspect the pump seals for any damage. Replace any faulty parts.

How can I adjust the spray nozzle on the Stihl SG 51?

To adjust the spray nozzle, twist the nozzle tip to achieve the desired spray pattern, from a fine mist to a solid stream. Avoid overtightening to prevent damage.

Is it safe to store the Stihl SG 71 with chemicals inside the tank?

It is not recommended to store the sprayer with chemicals inside the tank as it can lead to deterioration of seals and components. Always clean and empty the tank before storage.