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If you notice a power loss with your petrol-powered tool, a qualified service technician will need to remove these deposits to restore performance. SPARK ARRESTER The spark arrester must be cleaned or replaced every 25 hours or yearly to ensure proper performance of your product. Spark arresters may be in different locations depending on the model purchased. Please contact your nearest service dealer for the location of the spark arrester for your model. Cleaning Instructions: ¦ ¦¦¦¦¦Remove the spark arrester from the silencer. ¦ ¦¦¦¦¦If your spark arrester is made of fibreglass, discard and replace. ¦ ¦¦¦¦¦If your spark arrester is made of metal, follow these cleaning instructions: 1. Spray the spark arrester with a quality carbon cleaner. 2. Gently clean using a wire brush. 3. Install the new or cleaned spark arrester and reassemble completely before use. 14 FIRST STRING Fig. 16 SPOOL ANCHOR HOLE SECOND STRING ARROWS ON SPOOL Fig. 18 Fig. 19 SPRING Fig. 17 FIRST STRING SLOT SLOT ARROWS ON SPOOL 15 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, the check valve may be faulty or the filter clogged. Replace fuel cap if required. SPARKING PLUG This engine uses a Champion RCJ-6Y with 0.63mm (0.025 in.) electrode gap. Use an exact replacement and replace annually. STORAGE (1MONTH OR LONGER) 1 Drain all fuel from tank into a container approved for petrol. Run engine until it stops. 2 Clean 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. 3 Abide by all regulations for the safe storage and handling of petrol. Excess fuel should be used up in other 2-cycle engine-powered equipment. REPLACING AND CLEANING AIR FILTER See Figures 20 and 21. For proper performance and long life, keep air filter clean. 1 Remove the air filter cover by pushing down on the latch with your thumb while gently pulling on the cover. 2 Remove the filter and clean it in warm soapy water. Rinse and let dry completely. For best performance, replace annually. 3 Install the filter, align tabs, push in, and make sure the latches are locked into place. FUEL CAP WARNING: A leaking fuel cap is a fire hazard and must be replaced immediately. MAINTENANCE Fig. 20 Fig. 21 LATCH PULL COVER TO OPEN AIR FILTER COVER FILTER TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER. PROBLEM PROBLEMPROBLEMPROBLEMPROBLEMPROBLEMPOSSIBLE CAUSE POSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSE SOLUTION SOLUTIONSOLUTIONSOLUTIONSOLUTIONSOLUTION Engine will not start: 1. No spark. 2. No fuel. 3. Flooded engine. 4. Starter rope pulls harder now than when new. 1. Check spark. Remove sparking plug. Reattach the sparking plug cap and lay sparking plug on metal cylinder. Pull the starter rope and watch for spark at sparking plug tip. If there is no spark, repeat test with a new sparking 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 (see next item). 3. Remove sparking plug, turn trimmer so sparking plug hole is aimed at the ground. Move choke lever to “RUN” and pull starter cord 10 to 15 times. This will clear excess fuel from engine. Clean and reinstall sparking plug. Pull starter three times with choke lever at “RUN”. If engine does not start, move choke lever to “CHOKE” and repeat normal starting procedure. If engine still fails to start, repeat procedure with a new sparking plug. 4. Contact a service dealer. Engine starts but will not Carburettor requires adjustment. Turn “H” needle anticlockwise 1/16 turn. If “L” accelerate: low needle cannot be turned anticlockwise, do not force plastic limiter caps. Contact a service dealer. See Figure 22. Engine starts but will only Carburettor requires adjustment. Turn “H” needle anticlockwise 1/16 turn. If “H” run at high speed at half high needle cannot be turned anticlockwise, do choke: not force plastic limiter caps. Contact a service dealer. See Figure 22. Engine does not reach full 1. Check oil fuel mixture. 1. Use fresh fuel and the correct 2-cycle oil mix. speed and emits excessive 2. Air filter dirty. 2. Clean the air filter. Refer to “Replacing and smoke: Cleaning the Air Filter ” earlier in this manual. 3. Carburettor requires adjustment. 3. Turn “H” needle clockwise 1/16 - 1/8 turn. See Figure 22. Engine starts, runs, and Carburettor requires adjustment. Turn idle speed screw clockwise to increase accelerates but will not idle: idle speed. String will not advance: 1. String welded to itself. 2. Not enough string on spool. 3. String worn too short. 4. String tangled on spool. 5. Engine speed too slow. 1. Lubricate with silicone spray. 2. Install more string...