Stihl 066 Instruction Manual

Pages 54

Year 2000

Language(s)

of 54

Stihl 066 Specification

The Stihl 066 is a robust and powerful chainsaw designed for demanding forestry and heavy-duty cutting applications. Equipped with a high-performance two-stroke engine, it offers a displacement of 91.6 cc, delivering impressive power and efficiency. The engine's design ensures optimal fuel consumption and reduced emissions, adhering to environmental standards while maintaining outstanding cutting performance. With a power output of approximately 7.1 horsepower, the 066 is engineered to handle large trees and challenging woodcutting tasks with ease.

The chainsaw features a durable construction with a magnesium alloy housing, providing both strength and a relatively lightweight design for its class. This enhances maneuverability and reduces operator fatigue during prolonged use. The Stihl 066 incorporates an advanced anti-vibration system that significantly minimizes vibrations transmitted to the user's hands, enhancing comfort and reducing the risk of strain or injury during extensive operations.

For user convenience, the chainsaw includes a side-access chain tensioner, allowing for easy adjustments without the need for tools. The automatic chain lubrication system ensures consistent oil flow to the bar and chain, optimizing cutting efficiency and prolonging component life. The Stihl 066 also features a decompression valve for easier starting and a large-capacity fuel tank for extended run times between refueling.

Safety is prioritized with a quick-stop chain brake system, designed to halt the chain instantly in the event of a kickback or emergency. The ergonomic design of the front and rear handles provides a secure grip and better control, allowing for precise cutting. Overall, the Stihl 066 is a reliable and high-capacity chainsaw, ideal for professional loggers and serious woodcutting enthusiasts seeking power and durability in their equipment.

Stihl 066 F.A.Q.

How do I start the Stihl 066 chainsaw?

To start the Stihl 066, ensure the chain brake is engaged, move the master control lever to the choke position, pull the starter rope until the engine fires briefly, then move the lever to the half-throttle position and pull the rope again until the engine starts.

What is the proper fuel mix for a Stihl 066?

The proper fuel mix for a Stihl 066 is a 50:1 ratio of gasoline to two-stroke engine oil. Use high-quality, unleaded gasoline with a minimum octane rating of 89 and Stihl two-stroke engine oil.

Why won't my Stihl 066 chainsaw start?

Common reasons for a Stihl 066 not starting include a flooded engine, incorrect fuel mix, dirty air filter, or a faulty spark plug. Check these components and ensure they are in good working order.

How do I clean the air filter on a Stihl 066?

To clean the air filter on a Stihl 066, remove the filter cover, take out the air filter, and wash it with warm soapy water. Rinse thoroughly, let it dry completely, and reinstall it. Ensure it's seated properly before replacing the cover.

What type of chain oil should I use with a Stihl 066?

Use high-quality bar and chain oil designed specifically for chainsaws. Stihl recommends using Stihl brand bar and chain oil, which is formulated to reduce friction and wear.

How often should I sharpen the chain on my Stihl 066?

Sharpen the chain whenever it becomes dull, which can vary based on usage. A sharp chain should produce coarse sawdust; if it produces fine dust, it's time to sharpen. Typically, sharpening is needed every 3-5 hours of use.

What maintenance tasks should be performed regularly on a Stihl 066?

Regular maintenance tasks include checking and cleaning the air filter, inspecting the spark plug, lubricating the bar and chain, checking chain tension, and inspecting the fuel system for leaks.

Why is my Stihl 066 overheating?

Overheating can be caused by a dirty air filter, improper fuel mix, or a clogged exhaust. Ensure proper air flow by cleaning the air filter and exhaust regularly and use the correct fuel mix.

How do I adjust the carburetor on a Stihl 066?

To adjust the carburetor, locate the high-speed (H), low-speed (L), and idle (LA) adjustment screws. With the engine off, turn the screws to their initial settings, then fine-tune them while the engine is running to achieve optimal performance.

What is the recommended guide bar length for a Stihl 066?

The recommended guide bar length for a Stihl 066 ranges from 16 to 32 inches. The appropriate length depends on the type of cutting job and personal preference. For most tasks, a 20 to 24-inch bar is commonly used.