Husqvarna HU625HWT Operation Manual - Page 3

TROUBLESHOOTING - See appropriate section in manual unless directed to a qualified service center. PROBLEM CAUSE CORRECTION Does not start 1. Dirty air filter. 2. Out of fuel. 3. Stale fuel. 4. Water in fuel. 5. Spark plug wire is disconnected. 6. Bad spark plug. 7. Throttle control lever not in correct position (if equipped). 1. Clean/replace air filter. 2. Fill fuel tank. 3. Empty fuel tank and refill with fresh, clean gasoline. 4. Empty fuel tank and refill with fresh, clean gasoline. 5. Connect wire to spark plug. 6. Replace spark plug. 7. Move throttle lever to FAST position. Loss of power 1. Dirty air filter. 2. Buildup of grass, leaves, and trash under trimmer. 3. Too much oil in engine. 4. Walking speed too fast. 1. Clean/replace air filter. 2. Clean underside of trimmer and trimmer head. 3. Check oil level. 4. Trim at slower walking speed. Excessive Vibration 1. Lines uneven or broken. 2. Loose nuts or bolts. 3. Damaged trimmer head. 1. Check trimmer lines. 2. Check all hardware, including engine bolts. 3. Check/repair trimmer head. Starter rope hard to pull Loss of head drive 1. Bent engine crankshaft. 1. Belt not driving. 1. Contact a qualified service center. 1. Put belt on pulleys or replace belt if broken. Hard to push Poor trimming performance 1. Handle height position not right for you. 1. Trimmer line length is too short. 2. Throttle control lever not in correct position (if equipped). 1. Adjust handle height to suit. 1. If line is worn or broken to half of original length, replace line. 2. Move throttle lever to FAST position. Trimmer head does not retain line 1. Trimmer line not properly installed. 2. Broken line retainer clip. 3. Incorrect size of trimmer line. 1. Follow instructions in Maintenance section. 2. Replace string carrier plate assembly. 3. Use correct diameter trimmer line. 14 • See manufacturer's instructions for III. CHILDREN proper operation and installation of Tragic accidents can occur if the operator accessories. Only use accessories ap- is not alert to the presence of children. proved by the manufacturer. Children are often attracted to the machine • Never use blades, wire, or flailing devices. and the trimming activity. Never assume This unit is designed for line trimmer use that children will remain where you last only. Use of other accessories or attach- saw them. ments will increase the risk of injury. • Keep children out of the trimming area • Stop the rotating trimmer head when and under the watchful care of another crossing gravel drives, walks, or roads. responsible adult. Wait for the cutting lines to stop rotating. • Be alert and turn machine off if children • Stop the engine (motor) whenever you enter the area. leave the equipment and allow it to cool, • Before and while moving backwards, before cleaning, repairing or inspecting look behind and down for small children. the unit. Be sure the trimmer head and • Never allow children to operate the all moving parts have stopped. machine. • Operate only in daylight or good artificial • Use extra care when approaching blind light. corners, shrubs, trees, or other objects • Do not operate the machine while under that may obscure vision. the influence of alcohol or drugs. • Never operate machine in wet grass. Al- ways be sure of your footing: keep a firm hold on the handle and walk; never run. • If the equipment should start to vibrate abnormally, stop the engine (motor) and check immediately for the cause. Vibration is generally a warning of trouble. • Always wear safety goggles or safety glasses with side shields when operating machine. • Vibration levels reported in this manual are not adjusted for worker exposure to vibrations. Employers should calculate the 8-hour equivalent exposure values (Aw) and limit worker exposure accordingly. IV. SERVICE • Use extra care in handling gasoline and other fuels. They are flammable and vapors are explosive. - Use only an approved container. - Never remove gas cap or add fuel with the engine running. Allow engine to cool before refueling. Do not smoke. - Never refuel the machine indoors. - Never store the machine or fuel container inside where there is an open flame, such as a water heater. - Move away from fueling site before starting engine. • Never run a machine inside a closed area. II. SLOPE OPERATION • Never make adjustments or repairs with Slopes are a major factor related to slip and the engine (motor) running. Disconnect fall accidents which can result in severe injury. the spark plug wire, and keep the wire All slopes require extra caution. If you feel away from the plug to prevent acciden- uneasy on a slope, do not trim it. tal starting. DO: • Trim across the face of slopes: never up and down. Exercise extreme caution when changing direction on slopes. • Remove obstacles such as rocks, tree limbs, etc. • Watch for holes, ruts, or bumps. Tall grass can hide obstacles. • Keep nuts and bolts, especially trimmer head and engine bolts, tight and keep equipment in good condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris buildup. Clean oil or fuel spillage. Allow machine to cool before cleaning or storing. DO NOT: • Stop and inspect the equipment if you • Do not trim near drop-offs, ditches or strike an object. Repair, if necessary, embankments. The operator could lose before restarting. footing or balance. • Do not change the engine governor set- • Do not trim excessively steep slopes. ting or overspeed the engine. • Do not trim on wet grass. Reduced foot- • Clean and replace safety and instruction ing could cause slipping. 3 decals as necessary.