The Stihl MS 170 is a compact, lightweight petrol chainsaw designed for light-duty tasks like pruning and cutting small logs. Its 30.1 cc engine delivers reliable performance, making it ideal for homeowners and gardeners. This manual provides essential guidance for safe and effective operation, ensuring optimal use of the saw.
1.1 Overview of the MS 170 Model
The Stihl MS 170 is a lightweight, compact chainsaw designed for light-duty tasks such as pruning, trimming, and cutting small logs; It features a 30.1 cc, 2-stroke engine, delivering 1.7 horsepower, and a chain pitch of 3/8″. The saw weighs approximately 3.9 kg, making it easy to maneuver. It is equipped with a manual chain brake for safety and can accommodate a bar length of up to 35 cm. The MS 170 is ideal for homeowners and gardeners seeking a reliable tool for small-scale woodworking and landscaping projects.
1.2 Importance of the Manual
The manual is essential for safe and effective operation of the Stihl MS 170. It provides detailed instructions, safety guidelines, and maintenance tips, ensuring users understand proper handling and care. Reading the manual before first use is crucial to prevent accidents and optimize performance. It also serves as a reference for troubleshooting and maintaining the saw, helping users address common issues and extend the tool’s lifespan. Non-observance may lead to serious injury or damage, making it a vital resource for all operators.
Key Features of the Stihl MS 170
The Stihl MS 170 features a 30.1 cc engine, 3/8″ chain pitch, and a maximum bar length of 35 cm, designed for light-duty cutting tasks with precision and ease.
2.1 Technical Specifications
The Stihl MS 170 features a 30.1 cc two-stroke engine, producing 1.7 horsepower. It has a chain pitch of 3/8″ and a maximum bar length of 35 cm. Weighing 4.2 kg, it offers easy handling. The saw includes a centrifugal clutch and a manual starting system. Engine oil capacity is 120 ml, and fuel capacity is 280 ml. Designed for light-duty tasks, the MS 170 is ideal for pruning and cutting small logs. Its technical specifications ensure efficient performance for homeowners and gardeners seeking reliable cutting power.
2.2 Design and Build Quality
The Stihl MS 170 is built with durable, high-quality materials to ensure longevity and reliability. Its compact design features a lightweight chassis made from professional-grade plastics and metals. The chainsaw includes a professional-style bumper spike for improved control and stability during cuts. The ergonomic rear handle and front handle are designed for comfortable grip and reduced fatigue. Weighing just 4.2 kg, the MS 170 is easy to maneuver, making it ideal for extended use. Its balanced design minimizes vibrations, enhancing user comfort and precision. Built to withstand regular use, the MS 170 combines rugged construction with user-friendly design for dependable performance.
Safety Guidelines and Precautions
Always read the manual before use, wear protective gear, and follow safety regulations. Ensure the chain brake is functional and understand reactive forces to prevent accidents.
3.1 General Safety Instructions
Always wear protective gear, including gloves, safety glasses, and sturdy footwear. Ensure the chain brake is functioning properly before use. Never operate the saw without the chain brake in working condition. Keep bystanders, especially children, at a safe distance. Avoid using the saw in poor weather conditions or when fatigued. Regularly inspect the saw for damage or wear. Follow all local safety regulations and STIHL guidelines. Read the manual thoroughly to understand operation and safety features. Proper maintenance ensures optimal performance and safety.
3.2 Understanding Reactive Forces
Reactive forces, such as kickback, occur when the chain catches on an object, causing the saw to jerk backward. Understanding these forces is crucial for safe operation. Always maintain control and proper stance. Use the chain brake when necessary to prevent unintended movement. Keep the chain sharp and well-maintained to minimize kickback risks. Avoid cutting small-diameter branches near the tip of the bar. Familiarize yourself with the saw’s behavior under different conditions. Proper training and adherence to safety guidelines can significantly reduce the risk of accidents caused by reactive forces.
Operating Instructions
Start the engine and ensure the chain brake is engaged before cutting. Use proper cutting techniques, maintain control, and keep the chain sharp. Stop the motor when not in use or during maintenance. Always follow safety guidelines and operating procedures outlined in the manual to ensure safe and effective use of the chainsaw.
4.1 Starting the Engine
To start the Stihl MS 170 chainsaw, ensure the chain brake is engaged for safety. Prime the engine by pressing the primer bulb 4-6 times until fuel flows into the bulb. Pull the starter cord gently until resistance is felt, then pull firmly to start the engine. Once running, disengage the choke and allow the saw to warm up. Always wear protective gear, including gloves and safety glasses, before operating the chainsaw. Follow the manual’s guidelines to ensure proper starting and safe operation.
4.2 Using the Chain Brake
The chain brake is a critical safety feature designed to stop the chain instantly in case of kickback. To engage the brake, push the brake handle forward until it locks in place. Always ensure the brake is engaged when starting the engine or when the saw is not in use. To disengage, pull the handle back toward you firmly. Regularly test the brake to ensure proper function. Never operate the chainsaw without a functioning chain brake, as it is essential for preventing accidents and maintaining control during operation.
4.3 Stopping the Motor
To stop the MS 170 engine, switch off the ignition by moving the combined choke/stop lever to the stop position. Ensure the chain comes to a complete halt before storing or leaving the saw unattended. Always stop the engine before making adjustments or performing maintenance. Never leave the saw running unattended, as this can pose a safety risk. Properly stopping the motor helps prevent wear and tear, ensuring the longevity of your chainsaw. Always follow the manual’s guidelines for safe shutdown procedures.
Maintenance and Care
Regular maintenance ensures optimal performance and longevity of the MS 170. Clean the air filter, check chain tension, and store the saw properly to prevent damage.
5.1 Regular Maintenance Tasks
Regular maintenance is crucial for the optimal performance and longevity of the Stihl MS 170 chainsaw. Key tasks include cleaning the air filter, checking chain tension, and lubricating the bar and chain. Sharpen the chain regularly to ensure efficient cutting. Inspect the chain for wear and damage, replacing it when necessary. Additionally, check the muffler and spark plug for proper function and clean or replace them as needed. Always refer to the manual for specific guidance on these tasks to ensure safety and maintain the saw’s performance.
5.2 Sharpening and Lubricating the Chain
To maintain peak performance, the chain must be sharpened and lubricated regularly. Use a sharpening file or tool designed for the 3/8″ chain pitch. Sharpen cutters at the recommended angle (typically 30°) and ensure consistency across all teeth. Lubricate the chain with high-quality bar and chain oil, filling the reservoir as instructed. Avoid mixing oils, as this can degrade performance. Proper lubrication reduces friction and prevents overheating. Check the oil level before each use and top it off as needed to ensure smooth operation and extend the chain’s lifespan. Regular sharpening and lubrication are vital for efficiency and safety.
Troubleshooting Common Issues
The Stihl MS 170 may face issues like poor engine performance or chain malfunctions. Check for causes such as faulty spark plugs, incorrect fuel mix, or dull cutters. Ensure proper chain tension and sufficient bar oil levels for smooth operation. Addressing these common problems promptly enhances safety and efficiency. Always refer to the manual for detailed diagnostic steps and solutions to maintain optimal performance and prevent further complications. Regular maintenance can help minimize these issues and extend the saw’s lifespan.
6.1 Identifying Common Problems
Common issues with the Stihl MS 170 include engine performance problems, chain stopping during cuts, and difficulty starting. These problems often stem from improper maintenance or incorrect fuel mixture. A clogged air filter or faulty spark plug can cause engine issues, while a dull or poorly tensioned chain may lead to cutting difficulties. Additionally, old or incorrect fuel can cause starting problems and reduce performance. Regularly checking and maintaining components like the chain, bar, and engine ensures optimal functionality. Always refer to the manual for specific troubleshooting steps to address these common issues effectively. Proper care extends the saw’s lifespan and reliability.
Diagnosing issues with the Stihl MS 170 involves systematic checks of key components. Start by inspecting the chain for wear or improper tension and ensuring the bar is clean and well-lubricated. Check the air filter for cleanliness and the spark plug for proper function. Test the fuel system for blockages or stale fuel, as this can hinder engine performance. Consult the manual for specific diagnostic steps, such as testing compression or ignition systems. Regularly servicing these parts helps prevent issues and ensures the saw operates efficiently. Always follow safety guidelines during diagnostics to avoid accidents. Proper diagnostics are crucial for maintaining performance and longevity. The Stihl MS 170 manual is available for free download in PDF format from official STIHL websites and authorized dealers. Visit the STIHL website for direct access. To access the Stihl MS 170 digital manual, visit the official STIHL website or authorized dealer platforms. The manual is available for free download in PDF format, ensuring easy access to operational guides, safety instructions, and technical specifications. Users can search for the MS 170 model on the STIHL website, select the appropriate documentation, and download it instantly. Additionally, third-party sites like ManualsLib and ManualsOnline host the manual for convenient access. Ensure to verify the source for authenticity to avoid incorrect or outdated information. This digital resource is indispensable for proper chainsaw operation and maintenance. Official documentation for the Stihl MS 170 is available through multiple reliable sources. The primary source is STIHL’s official website, where users can download the manual directly. Additionally, authorized STIHL dealers provide access to both digital and printed versions. Third-party platforms like ManualsLib and ManualsOnline also host the manual, offering a convenient alternative. Ensure to verify the authenticity of the source to guarantee accurate and up-to-date information. These resources are essential for understanding the safe operation, maintenance, and troubleshooting of the MS 170 chainsaw, ensuring optimal performance and user safety. The Stihl MS 170 supports a range of genuine spare parts and accessories, ensuring optimal performance and maintenance. These are available through authorized dealers and official sources. Ordering genuine parts for the Stihl MS 170 ensures compatibility and durability. Visit authorized Stihl dealers or official online platforms to purchase authentic components. Always verify part numbers and descriptions to match your specific model; Genuine parts are engineered to meet Stihl’s quality standards, ensuring optimal performance and safety. Avoid non-genuine parts, as they may void warranties or compromise functionality. Contact local distributors or refer to the manual for a comprehensive list of available spare parts and accessories tailored for the MS 170 chainsaw. The Stihl MS 170 supports a range of compatible accessories to enhance performance and maintenance. These include guide bars, saw chains, filing kits, and storage cases. Accessories are designed to fit specific models, ensuring optimal functionality. Always use genuine Stihl parts to maintain safety and efficiency. For a full list of compatible accessories, refer to the official Stihl website or consult your local dealer. They can provide recommendations based on your needs and ensure proper compatibility with the MS 170 chainsaw. The Stihl MS 170 meets environmental regulations and safety standards, ensuring eco-friendly performance and safe operation with reduced emissions. The Stihl MS 170 complies with global environmental and safety regulations, adhering to strict emissions standards. It is designed to minimize ecological impact while maintaining high performance. The saw meets various international certifications, ensuring it is used responsibly worldwide. Compliance with local safety regulations is emphasized to guarantee user protection. Proper usage as per guidelines helps maintain environmental balance and operational safety. The Stihl MS 170 is designed with eco-friendly features to minimize its environmental impact. Its fuel-efficient 2-stroke engine reduces emissions and optimizes fuel consumption, enhancing performance while being kinder to the environment. Regular maintenance, such as cleaning the air filter and properly lubricating the chain, maintains efficiency and reduces waste. Responsible operation practices, including avoiding prolonged idling and ensuring correct chain tension, contribute to eco-friendly usage. By following these guidelines, users can enjoy a powerful chainsaw while supporting environmental sustainability and reducing their carbon footprint. The Stihl MS 170 manual emphasizes safe operation, regular maintenance, and eco-friendly practices. By following these guidelines, users ensure efficient performance and environmental sustainability, achieving optimal results. Always wear protective gear, including gloves, safety glasses, and sturdy footwear. Ensure the chain brake is functioning properly before use. Maintain a firm grip on the saw and avoid overreaching. Keep bystanders at a safe distance and never operate the saw near children. Regularly inspect the chain for sharpness and tension to prevent kickback. Avoid cutting in tight spaces or above shoulder height. Stay alert and avoid fatigue, as it can impair judgment. Follow all local safety regulations and guidelines outlined in the manual. Proper storage and maintenance are crucial for long-term safety and performance. Regular maintenance is key to extending the life of your Stihl MS 170 chainsaw. Routinely clean the air filter and check the chain tension to ensure optimal performance. Sharpen the chain as needed to maintain cutting efficiency and prevent wear. Lubricate the bar and chain regularly to reduce friction and prevent overheating. Inspect for worn or damaged parts and replace them promptly. Store the saw in a dry place and follow the manual’s guidelines for seasonal storage. Consistent upkeep ensures reliability, safety, and peak performance, making your tasks easier and safer over time.6.2 Diagnostic Techniques
Manual Availability and Downloads
7.1 Accessing the Digital Manual
7.2 Sources for Official Documentation
Spare Parts and Accessories
8.1 Ordering Genuine Parts
8.2 Compatible Accessories
Environmental and Safety Standards
9.1 Compliance with Regulations
9.2 Eco-Friendly Practices
10.1 Final Tips for Safe Operation
10.2 Encouragement for Regular Maintenance
