Stihl SG 31 Instruction Manual

Pages 44

Year 2019

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of 44

Stihl SG 31 Specification

The Stihl SG 31 is a versatile manual backpack sprayer designed for precise and efficient application of fertilizers, herbicides, and pesticides in small to medium-sized areas. Featuring a robust 5-liter (1.3-gallon) tank capacity, the SG 31 is constructed from high-quality, durable materials to withstand regular use in various environmental conditions. Its ergonomic design includes a comfortable carrying system with adjustable straps, ensuring ease of use and reduced operator fatigue during extended operations. The sprayer is equipped with a high-efficiency pump mechanism that delivers consistent pressure, allowing for uniform spray patterns and optimal coverage.

The SG 31's lance is crafted from lightweight yet sturdy materials, offering a long reach and flexibility in targeting hard-to-access areas. It comes with an adjustable brass nozzle that provides a range of spray options, from a fine mist to a targeted stream, catering to diverse application needs. Maintenance is simplified with a large opening for easy filling and cleaning, while the translucent tank design allows for quick monitoring of liquid levels. The Stihl SG 31 is designed with user safety in mind, incorporating a pressure release valve to prevent over-pressurization. This sprayer is ideally suited for homeowners and small-scale gardeners seeking a reliable and efficient tool for maintaining healthy and vibrant landscapes.

Stihl SG 31 F.A.Q.

How do I assemble the Stihl SG 31 sprayer?

To assemble the Stihl SG 31, start by attaching the pump lever to the sprayer's body. Then, connect the hose to the tank outlet and attach the spray wand to the other end of the hose. Ensure all connections are tight to prevent leaks.

What is the correct way to clean the Stihl SG 31 after use?

After use, empty any remaining liquid from the tank and fill it with clean water. Pump and spray the water through the hose and nozzle to rinse out any residue. Disassemble the nozzle and clean it separately to ensure no blockages.

How can I troubleshoot if the sprayer is not building pressure?

If the sprayer is not building pressure, check for leaks in the hose or seals. Ensure the pump is fully engaged and the O-rings are intact and lubricated. Inspect the check valve for any debris that may be causing a blockage.

What maintenance is required for the Stihl SG 31?

Regular maintenance includes cleaning the tank, hose, and nozzles after each use. Inspect and lubricate seals and O-rings periodically. Check the spray wand for any cracks or damage and replace parts as necessary.

How do I adjust the spray pattern on the Stihl SG 31?

To adjust the spray pattern, rotate the nozzle tip to change between a fine mist and a direct stream. This allows you to customize the application based on your needs.

Why is my Stihl SG 31 leaking from the pump handle?

Leaks from the pump handle are often due to worn or damaged seals. Inspect the seals for wear and replace if necessary. Ensure all connections are tight and the pump is properly lubricated.

Can I use bleach solutions in my Stihl SG 31?

It is not recommended to use bleach or corrosive solutions in the Stihl SG 31 as they can damage the seals and hoses. Always check the manufacturer's guidelines for compatible chemicals.

How do I store the Stihl SG 31 when not in use?

When storing the sprayer, ensure it is clean and dry. Keep it in a cool, dry place away from direct sunlight and chemicals. Store with the pump handle in the locked position to prevent damage.

What should I do if the spray nozzle is clogged?

If the nozzle is clogged, remove it from the wand and soak it in warm, soapy water. Use a soft brush to gently remove any debris. Rinse thoroughly and reattach to the spray wand.

How do I replace the seals on the Stihl SG 31?

To replace seals, first disassemble the affected area (such as the pump or hose connections). Remove the old seals and clean the surfaces. Install new seals, ensuring they are seated correctly, and reassemble.