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16 FIRST STRING SLOT Fig. 17 SECOND STRING Fig. 18 SLOT ARROWS ON SPOOL Fig. 19 MAINTENANCE REPLACING AND CLEANING AIR FILTER See Figures 20 - 21. For proper performance and long life, keep air filter clean. nRemove the air filter cover by turning the knob counterclockwise while gently pulling on the cover. nRemove the air filter, clean it in warm soapy water. Rinse and let dry completely. For best performance, replace annually. nInstall the air filter. Align and install the air filter cover on the air filter base. Secure the air filter cover by turning the knob clockwise. FUEL CAP WARNING: A leaking fuel cap is a fire hazard and must be replaced immediately. The fuel cap contains a non-serviceable filter and a check valve. A clogged fuel filter will cause poor engine performance. If performance improves when the fuel cap is loosened, check valve may be faulty or filter clogged. Replace fuel cap if required. SPARK PLUG This engine uses a Champion RCJ-6Y or NGK BPMR7A spark plug with .025 in. (0.63 mm) electrode gap. Use an exact replacement and replace annually, or more frequently if necessary. STORAGE (1 MONTH OR LONGER) nDrain all fuel from tank into a container approved for gasoline. Run engine until it stops. nClean all foreign material from the trimmer. Store it in a well-ventilated place that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts. nAbide by all Federal and local regulations for the safe storage and handling of gasoline. Excess fuel should be used up in other 2-cycle engine powered equipment. AIR FILTER COVER KNOB Fig. 20 AIR FILTER BASE AIR FILTER AIR FILTER COVER Fig. 21 TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEMPOSSIBLE CAUSESOLUTION 1.Check spark. Remove spark plug. Reattach the spark plug cap and lay spark plug on metal cylinder. Pull the rope and watch for spark at spark plug tip. If there is no spark, repeat test with a new spark plug. 2.Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer. If primer bulb fills, engine may be flooded, proceed to next item. 3.Squeeze the trigger and pull the rope repeatedly until the engine starts and runs. NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope. 1. Use fresh fuel and the correct 2-cycle oil mix. (50:1). 2. Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in this manual. 3. Contact a servicing dealer. 4.Clean or replace spark plug. Reset spark plug gap. Refer to “Spark Plug Replacement” earlier in this manual. 1.Turn idle speed screw clockwise to increase idle speed. See Figure 22. 1.Lubricate string with silicone spray. 2.Install more string. Refer to “String Replacement” earlier in this manual. 3.Pull strings while alternately pressing down on and releasing spool retainer. 4.Remove string from spool and rewind Refer to “String Replacement” earlier in this manual. 5.Advance string at full throttle. Engine will not start: Engine does not reach full speed and emits excessive smoke: Engine starts, runs, and accelerates but will not idle: String will not advance: 1.No spark. 2.No fuel. 3.Engine is flooded. 1.Incorrect oil/fuel mixture. 2.Air filter is dirty. 3.Spark arrestor screen is dirty. 4.Spark plug fouled. 1.Idle speed screw on carburetor needs adjustment. 1.String is welded to itself. 2.Not enough string on spool. 3.String is worn too short. 4.String is tangled on spool. 5.Engine speed is too slow. IDLE SPEED SCREW Fig. 22 TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEMPOSSIBLE CAUSESOLUTION 1.Clean threads and lubricate with grease - if no improvement, replace the spool retainer. 1.Cut tall grass from the top down to prevent wrapping. 2.Operate trimmer at full throttle. Spool retainer hard to turn: Grass wraps around driveshaft housing and string head: 1.Screw threads are dirty or damaged. 1.Cutting tall grass at ground level. 2.Operating trimmer at part throttle. .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... WARRANTY LIMITED WARRANTY STATEMENT Homelite Consumer Products, Inc. warrants to the original retail purchaser that this HOMELITE product is free from defect in material and workmanship and agrees to repair or replace, at Homelite Consumer Products, Inc.’s discretion, an...

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