4CS-450PWARNINGThe safety alert symbol accompanied bythe word “WARNING” calls attention to anact or condition which CAN lead to seriouspersonal injury or death if not avoided.CIRCLE AND SLASH SYMBOLThis symbol means the specific actionshown is prohibited. Ignoring theseprohibitions can result in serious orfatal injury.CAUTIONThe safety alert symbol accompanied bythe word “CAUTION” calls attention to anact or condition which may lead to minor ormoderate personal injury if not avoided.NOTEThis enclosed message provides tips for use,care and maintenance of the unit.IMPORTANTThe enclosed message provides informationnecessary for the protection of the unit.DANGERThe safety alert symbol accompanied bythe word “DANGER” calls attention to anact or condition which WILL lead to seriouspersonal injury or death if not avoided.SYMBOLS AND SIGNSCONTENTSRULES FOR SAFE OPERATION ....................................................................................................... 2SYMBOLS AND SIGNS ...................................................................................................................... 4EMISSION DATA ................................................................................................................................ 6PACKING LIST .................................................................................................................................... 6NOMENCLATURE OF PARTS ........................................................................................................... 7OPERATOR SAFETY ......................................................................................................................... 9CORRECT USE OF CHAIN BRAKE ................................................................................................... 10PREPARATION FOR USE .................................................................................................................. 11FUEL AND LUBRICANT ..................................................................................................................... 13OPERATION ....................................................................................................................................... 15CUTTING INSTRUCTION ................................................................................................................... 18CHAIN AND GUIDE BAR COMBINATION.......................................................................................... 23MAINTENANCE AND CARE ............................................................................................................... 24Carburetor Adjustment........................................................................................................................ 25- High Altitude Operation ................................................................................................................... 25SETTING THE SAW CHAIN ............................................................................................................... 29TROUBLESHOOTING ........................................................................................................................ 31STORAGE AFTER USE ...................................................................................................................... 32TECHNICAL DATA.............................................................................................................................. 32WARRANTY STATEMENTS ............................................................................................................... 33SERVICING INFORMATION............................................................................................................... 36This chain saw is designed for cutting wood or wood products. Do not cut solid metal, sheet metal, plasticor any non-wood materials.Specifications, descriptions and illustrative material in this literature are as accurate as known at the timeof publication, but are subject to change without notice. Illustrations may include optional equipment andaccessories, and may not include all standard equipment.