Stihl 048 Instruction Manual

Pages 55

Year 1985

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Stihl 048 Specification

The Stihl 048 is a robust chainsaw designed for professional use, offering a powerful performance suited for demanding forestry tasks. At its core, the chainsaw is equipped with a two-stroke engine, boasting a displacement of 76.5 cc, which delivers a commendable power output. This power enables efficient cutting through dense and tough wood, making it ideal for logging and heavy-duty applications. The Stihl 048 features an advanced anti-vibration system, enhancing user comfort by significantly reducing the vibrations felt during operation. This system helps minimize operator fatigue, allowing for prolonged use without compromising precision or safety. The chainsaw is designed with a durable magnesium alloy housing, ensuring longevity and resilience in harsh working conditions. It incorporates a manual fuel pump, which assists in easier starting, especially in colder climates or after extended periods of inactivity. The carburetor is equipped with a compensator that maintains consistent engine performance by automatically adjusting the fuel-air mixture as the air filter becomes clogged. The Stihl 048 is compatible with a variety of bar lengths, typically ranging from 16 to 28 inches, providing versatility for different sawing tasks. It also features an automatic chain oiling system, which ensures optimal lubrication for the bar and chain, enhancing cutting efficiency and reducing wear. Additionally, the chainsaw includes a chain brake for improved safety, which halts chain movement in the event of a kickback. Overall, the Stihl 048 is engineered for reliability and effectiveness, making it a preferred choice for professionals seeking a powerful and durable chainsaw.

Stihl 048 F.A.Q.

How do I start the Stihl 048 chainsaw?

To start the Stihl 048, begin by ensuring the chain brake is engaged. Set the master control lever to the cold start position. Pull the starter rope until the engine fires briefly. Move the master control to the warm start position, and pull the starter again until the engine runs.

What is the recommended fuel mix for a Stihl 048 chainsaw?

The recommended fuel mix for the Stihl 048 is 50:1, which means 50 parts gasoline to 1 part 2-stroke engine oil. Always use high-quality 2-stroke oil and unleaded gasoline with a minimum octane rating of 89.

Why won't my Stihl 048 chainsaw start?

If your Stihl 048 won't start, check the fuel level, spark plug condition, and air filter cleanliness. Ensure the on/off switch is in the correct position and inspect the choke setting. If issues persist, it may require professional servicing.

How do I clean the air filter on the Stihl 048 chainsaw?

To clean the air filter, first remove the top cover. Take out the air filter and clean it with warm, soapy water. Allow it to dry completely before reinstalling. Replace the filter if it is too dirty or damaged.

What maintenance should be performed regularly on the Stihl 048?

Regular maintenance for the Stihl 048 includes checking and cleaning the air filter, inspecting the spark plug, sharpening the chain, and lubricating the chain and guide bar. Additionally, examine the fuel system for leaks or blockages.

How can I troubleshoot chain oiling issues on my Stihl 048?

If the chain is not oiling properly, check the oil reservoir and clean the oil delivery holes in the guide bar. Ensure the oil pump is functioning and the oil filter is not clogged. Adjust the oil flow as needed.

Why is my Stihl 048 chainsaw losing power during operation?

Power loss can be caused by a dirty air filter, clogged fuel filter, or a worn spark plug. Check these components and replace if necessary. Additionally, ensure the carburetor is properly tuned and the exhaust is not blocked.

How do I sharpen the chain on a Stihl 048 chainsaw?

To sharpen the chain, use a round file that matches the chain's pitch. Secure the bar in a vise, and file each cutter at the same angle and depth. Use a flat file to adjust the depth gauges to the correct height.

What is the correct tension for the chain on a Stihl 048 chainsaw?

The chain should be tight enough so that it doesn't sag from the underside of the bar, but loose enough to move freely by hand. Adjust the tension screw accordingly, and ensure the chain brake is disengaged when checking tension.

How do I replace the spark plug on my Stihl 048 chainsaw?

To replace the spark plug, remove the top cover and disconnect the spark plug boot. Use a spark plug wrench to unscrew the old plug. Install the new plug, ensuring it is properly gapped, and reattach the boot and cover.