Stihl MS 270 MS 280 Instruction Manual

Pages 130

Year 2007

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of 130

Stihl MS 270 MS 280 Specification

The Stihl MS 270 and MS 280 chainsaws are designed for robust performance and reliability for both professional and occasional use. Powered by a 2-stroke engine, the MS 270 delivers a displacement of 50.2 cc with an engine power output of approximately 2.6 kW, while the MS 280 offers a slightly higher displacement of 54.7 cc and a power output of around 3.0 kW. Both models incorporate Stihl's advanced anti-vibration system to reduce operator fatigue during prolonged use. The chainsaws are equipped with a side-access chain tensioner, allowing for easier adjustment of the saw chain.

The MS 270 and MS 280 feature a quick-stop chain brake system for enhanced safety, immediately halting the chain upon activation. They also have an automatic bar and chain oiler, ensuring optimal lubrication during operation. The ergonomic design includes an ElastoStart handle that reduces shock during start-up, promoting smoother ignition. Both models are compatible with various bar lengths, typically ranging from 16 to 20 inches, to accommodate different cutting requirements.

Fuel efficiency is optimized with a large-capacity fuel tank, providing extended operation between refills, while the translucent fuel tank allows for easy monitoring of fuel levels. The air filtration system is designed to be easily accessible, facilitating quick maintenance and longer engine life. The chainsaws are constructed with high-quality materials to withstand demanding conditions, ensuring durability and long-term performance. These specifications make the Stihl MS 270 and MS 280 ideal for users seeking a combination of power, efficiency, and ease of use in a chainsaw.

Stihl MS 270 MS 280 F.A.Q.

How do I start the Stihl MS 270/MS 280 chainsaw?

To start the Stihl MS 270/MS 280, ensure the chain brake is engaged, move the Master Control Lever to the cold start position, pull the starter rope until the engine fires briefly, move the lever to the warm start position, and pull the starter rope again until the engine starts.

What is the correct fuel mixture for the Stihl MS 270/MS 280?

The correct fuel mixture for the Stihl MS 270/MS 280 is 50:1, meaning 50 parts of unleaded gasoline to 1 part of high-quality 2-stroke engine oil.

How do I troubleshoot the Stihl MS 270/MS 280 if it won't start?

If your Stihl MS 270/MS 280 won't start, check the fuel level and mixture, inspect the spark plug for damage or fouling, ensure the air filter is clean, and verify that the fuel filter is not clogged.

How often should I sharpen the chain on my Stihl MS 270/MS 280?

Sharpen the chain whenever you notice a decrease in cutting efficiency or if the sawdust becomes powdery. Regular sharpening is recommended after every few hours of use or when needed.

What maintenance should be performed regularly on the Stihl MS 270/MS 280?

Regular maintenance includes cleaning or replacing the air filter, checking and adjusting the chain tension, inspecting the spark plug, lubricating the bar and chain, and cleaning the cooling fins on the cylinder.

How do I adjust the carburetor on the Stihl MS 270/MS 280?

Adjust the carburetor by locating the three adjustment screws labeled L (low), H (high), and LA (idle speed). Turn the L and H screws to adjust fuel mixture for low and high speeds, and the LA screw to set the idle speed. Refer to the manual for specific settings.

Why is my Stihl MS 270/MS 280 overheating?

Overheating can be caused by a dirty air filter, improper fuel mixture, restricted air flow to the engine, or a dull chain. Ensure all components are clean and functioning properly, and use the correct fuel mixture.

How do I replace the chain on the Stihl MS 270/MS 280?

To replace the chain, first ensure the chainsaw is turned off and cooled down. Engage the chain brake, remove the sprocket cover, take off the old chain, place the new chain on the bar, adjust the tension, and reassemble the saw.

What are common signs that the Stihl MS 270/MS 280 spark plug needs replacement?

Common signs include difficulty starting the engine, misfires, reduced engine performance, and visible damage or fouling on the spark plug. Replace the spark plug if any of these symptoms occur.

How can I prevent the chain on my Stihl MS 270/MS 280 from dulling quickly?

To prevent the chain from dulling quickly, avoid cutting dirty or abrasive materials, maintain proper chain tension, regularly sharpen the chain, and ensure the bar and chain are adequately lubricated.