Husqvarna 450 Operation Manual - Page 7

KEY TO SYMBOLS Symbols on the machine: WARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. Please read the operator's manual carefully and make sure you understand the instructions before using the machine. Always wear: • Approved protective helmet • Approved hearing protection • Protective goggles or a visor Symbols in the operator's manual: Switch off the engine before carrying out any checks or maintenance. CAUTION! The start/stop switch automatically returns to run position. In order to prevent unintentional starting, the spark plug cap must be removed from the spark plug when assembling, checking and/or performing maintenance. Always wear approved protective gloves. This product is in accordance with applicable EC directives. Noise emission to the environment according to the European Community's Directive. The machine's emission is specified in chapter Technical data and on label. Chain brake, activated (right) Chain brake, not activated (left) Decompression valve: The valve is to reduce the pressure in the cylinder and make starting easier. You should always use the decompression valve when starting the machine. Ignition; choke: Set the choke control in the choke position. This should automatically set the stop switch to the start position. Air purge Adjustment of the oil pump Regular cleaning is required. Visual check. Protective goggles or a visor must be worn. Refuelling. Filling with oil and adjusting oil flow. The chain brake must be engaged when the chain saw is started. WARNING! Kickback may occur when the nose or tip of the guide bar touches an object, and cause a lightning fast reverse reaction, kicking the guide bar up and towards the operator. May cause serious personal injury. Other symbols/decals on the machine refer to special certification requirements for certain markets. 1153136-26 Rev.1 2009-12-29 English - 7