Husqvarna XT722FE Owners Manual - Page 15
Troubleshooting - push mower
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TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Does not start 1. Dirty air filter. 1. Clean/replace air filter. 2. Out of fuel. 2. Fill fuel tank. 3. Stale fuel. 3. Empty fuel tank and refill tank with fresh, clean gasoline. 4. Water in fuel. 4. Empty fuel tank and refill tank with fresh, clean gasoline. 5. Spark plug wire is disconnected. 5. Connect wire to plug. 6. Bad spark plug. 6. Replace spark plug. 7. Loose blade or broken blade adapter. 7. Tighten blade bolt or replace blade adapter. 8. Control bar in released position. 8. Depress control bar to handle. 9. Control bar defective. 9. Replace control bar. 10. Fuel valve lever (if equipped) in OFF position. 10. Turn fuel valve lever to the ON position. 11. Weak battery (if equipped). 11. Charge battery. 12. Disconnected battery connector (if equipped). 12. Connect battery to engine. Loss of power 1. Rear of lawn mower housing or cutting blade dragging in heavy grass. 2. Cutting too much grass. 3. Dirty air filter. 4. Buildup of grass, leaves and trash under mower. 5. Too much oil in engine. 6. Walking speed too fast. 1. Raise cutting height. 2. Raise cutting height. 3. Clean/replace air filter. 4. Clean underside of mower housing. 5. Check oil level. 6. Cut at slower walking speed. Poor cut - uneven 1. Worn, bent or loose blade. 2. Wheel heights uneven. 3. Buildup of grass, leaves and trash under mower. 1. Replace blade. Tighten blade bolt. 2. Set all wheels at same height. 3. Clean underside of mower housing. Excessive vibration 1. Worn, bent or loose blade. 2. Bent engine crankshaft. 1. Replace blade. Tighten blade bolt. 2. Contact a qualified service center. Starter rope hard to pull 1. Engine flywheel brake is on when control bar is released. 2. Bent engine crankshaft. 3. Blade adapter broken. 4. Blade dragging in grass. 1. Depress control bar to upper handle before pulling starter rope. 2. Contact a qualified service center. 3. Replace blade adapter. 4. Move lawn mower to cut grass or other hard surface before starting. Grass catcher 1. Cutting height too low. not filling 2. Lift on blade worn off. (if so equipped) 3. Catcher not venting air. 1. Raise cutting height. 2. Replace blade. 3. Clean grass catcher. Hard to push 1. Grass is too high or wheel height is too low. 2. Rear of lawn mower housing or cutting blade dragging in heavy grass. 3. Grass catcher too full. 4. Handle height position not right for you. 1. Raise cutting height. 2. Raise rear of lawn mower housing one (1) setting higher. 3. Empty grass catcher. 4. Adjust handle height to suit. Loss of drive or slowing of drive speed 1. Belt wear. 2. Belt off of pulley. 3. Drive cable worn or broken. 4. "Loose" drive control system. 1. Check/replace drive belt. 2. Check/reinstall drive belt. 3. Replace drive cable. 4. Adjust drive control. 15