Stihl 066 Instruction Manual - Page 5
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Definitions 1. Carburetor Box Cover Twist Lock Lock for carburetor box cover. 2. Spark Plug Boot Connects the spark plug with the ignition wire. 3. Handle Heating Switch For switching the electric handle heating on and off 4. Chain Sprocket Cover Covers the clutch and the sprocket. 5. Chain Sprocket The toothed wheel that drives the saw chain. 6. Chain Brake A device to stop the rotation of the chain if activated in a kickback situation by the operator's hand or by inertia. 7. Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar. 8. Chain Tensioner Permits precise adjustment of chain tension. 9. Bumper Spike Toothed stop for holding saw steady against wood. 10. Guide Bar Supports and guides the saw chain. 066 11. Oilomatic Saw Chain A loop consisting of cutters, tie straps and drive links. 12. Oil Filler Cap For closing the oil tank. 13. Muffler Reduces engine exhaust noise and directs the exhaust gases. 14. Front Hand Guard Provides protection against projecting branches and helps prevent left hand from touching the chain if it slips off the handle bar. 15. Front Handle Handle bar for the left hand at front of saw. 16. Decompression Valve Makes starting easier 17. Starter Grip The grip of the starter, for starting the engine. 18. Fuel Filler Cap For closing the fuel tank. 19. Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 20. Throttle Trigger Controls the speed of the engine. 21. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 22. Rear Handle The support handle for the right hand, located at or toward the rear of the saw. 23. Rear Hand Guard Gives added protection to operator's right hand. Guide Bar Nose The exposed end of the guide bar. (not illustrated, see chapter "Tensioning the Saw Chain". Clutch Couples engine to chain sprocket when engine is accelerated beyond idle speed. (not illustrated). Anti-Vibration System The anti-vibration system includes a number of buffers designed to reduce the transmission of vibrations created by the engine and cutting attachment to the operator's hands. (not illustrated). 3