[. . . ] OPERATOR SAFETY S Always wear safety glasses or similar eye protection when operating, servicing, or performing maintenance on your unit. Wearing eye protection can help to prevent rocks or debris from being blown or ricocheting into eyes and face which can result in blindness or serious injury. S Always wear a respirator or face mask when working with the unit in dusty environments. S Do not operate the unit when you are tired, ill, upset, or if you are under the influence of alcohol, drugs, or medication. [. . . ] Safety precautions must be observed when operating any electrical tool. The double insulation system only provides added protection against injury resulting from an internal electrical insulation failure. All electrical repairs to this unit, including housing, switch, motor, etc. , must be diagnosed and repaired by qualified service personnel. Replacement parts for a double insulated appliance must be identical to the parts they replace. A double insulated appliance is marked with the words "double insulation" or "double insulated". The symbol (square within a square) may also be marked on the appliance. Failure to have the unit repaired by authorized service personnel can cause the double insulation construction to become ineffective and result in serious injury. UNIT/MAINTENANCE SAFETY S Do not set the unit on any surface except a clean, hard area while the unit is running. Debris such as gravel, sand, dust, grass, etc. , could be picked up by the air intake and thrown out through the discharge opening, damaging the unit, property, or causing serious injury to bystanders or operator. S Do not overreach or use from unstable surfaces such as ladders, trees, steep slopes, rooftops, etc. S Inspect the entire unit before each use for worn, loose, missing, or damaged parts. Do not use until the unit is in proper working order. WARNING: 3 S This unit is double insulated. See the DOUBLE INSULATION CONSTRUCTION S S S S S Check air intake openings and tube frequently, always with the unit stopped and power source disconnected. Keep vents and tube free of debris which can accumulate and restrict proper air flow. S Store the unit unplugged in a high, cool, dry, indoor area out of the reach of children. S Use only recommended attachments and replacement parts to avoid creating a hazard and/or voiding warranty. S Maintain the unit according to recommended procedures. NANCE. section. Have all internal service performed by qualified service repair personnel to avoid creating a hazard or voiding your warranty. Have all maintenance other than the recommended procedures described in the instruction manual performed by your authorized service dealer. Always see your authorized service dealer to replace a damaged impeller. Parts that are chipped, cracked, broken, or damaged in any other way can fly apart and cause serious injury. Never place any object in the air intake opening as this could restrict proper air flow and cause damage to the unit. [. . . ] Replace any damaged, worn, or broken parts. TROUBLESHOOTING TABLE WARNING: Always stop unit and disconnect from the power source before performing all of the recommended remedies below except remedies that require unit to be operating. Contact your authorized service dealer. LIMITED WARRANTY WEED EATER warrants to the original purchaser that each new WEED EATER brand electric or cordless product is free from defects in material and workmanship and agrees to repair or replace under this warranty any defective WEED EATER brand electric or cordless product within two (2) years from the original date of purchase. If your WEED EATER brand electric or cordless product should fail within the limited warranty period, return it, complete, prepaid, with proof of purchase, to the dealer from whom it was purchased for repair or replacement at the option of WEED EATER. This warranty is not transferable and does not cover damage or liability caused by improper handling, improper maintenance or the use of accessories and/or attachments not specifically recommended by WEED EATER for this tool. [. . . ]