Husqvarna SG13HB CE Parts Manual

The recommended oil type for the Husqvarna SG13HB CE lawn mower is SAE 30 oil for general use. For temperatures below freezing, a 5W-30 synthetic oil is advised.
The air filter should be checked and cleaned every 25 hours of operation. Replace it if it appears damaged or excessively dirty.
To sharpen the blades, first disconnect the spark plug for safety. Remove the blade, then use a grinder or file to sharpen the cutting edges evenly. Reinstall the blade securely after sharpening.
If your lawn mower is not starting, check the fuel level, ensure the spark plug is connected and clean, and make sure the air filter is not clogged. Also, verify that the safety features are properly engaged.
To adjust the cutting height, locate the height adjustment levers on the wheels. Move the levers to the desired position to raise or lower the cutting height.
Regular maintenance includes checking and changing the oil, cleaning the air filter, inspecting and sharpening the blades, checking the spark plug, and cleaning the deck after each use.
To winterize, drain the fuel system or add a fuel stabilizer, change the oil, clean or replace the air filter, remove the spark plug and add a few drops of engine oil into the cylinder, and store the mower in a dry place.
Excessive vibration may be caused by a loose or unbalanced blade. Check that the blade is securely fastened and properly balanced. Inspect for damage and replace if necessary.
To improve fuel efficiency, ensure regular maintenance such as keeping the blades sharp, maintaining the correct tire pressure, cleaning the air filter, and using the recommended oil type.
No, it is not normal. Smoke could indicate oil spillage, overfilling, or engine damage. Check the oil level and ensure there are no leaks. If the problem persists, consult a professional technician.