How do I maintain the blades of my Sun Joe HJ15HTE hedge trimmer?

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Regular maintenance of the blades is essential to maintain effective cutting and prolong the lifespan of your Sun Joe HJ15HTE hedge trimmer. Here are the three pillars of this maintenance: lubrication, sharpening, and cleaning.

Blade lubrication: Before and after each use, apply a light machine oil along the edge of the upper blade. Always stop the motor and unplug the device before applying the oil. If you are trimming for an extended period, stop occasionally to re-oil the blades. Important: never oil while the device is running. This regular lubrication reduces friction and significantly improves the lifespan of the blades.

Blade sharpening: Sharpen the blades as soon as cutting performance deteriorates (when the blades regularly snag on branches). Procedure: (1) stop the motor and unplug the device, then hold the blade in a vise; (2) use a smooth round file to sharpen the cutting surface of each tooth while maintaining the original angle of the tooth; (3) briefly restart to expose the unsharpened parts of the other teeth; (4) unplug and repeat sharpening if necessary. Never use the hedge trimmer with dull or damaged blades, as this overloads the 600 W motor and produces disappointing results.

Device cleaning: Never use water to clean your hedge trimmer. Stop the motor, unplug the device, and then clean with a dry cloth (or a brush in case of heavy dirt), especially the ventilation slots. After use, spray the blades with a light machine oil. For the main housing, you can use a damp cloth with mild soap, but avoid strong detergents and aromatic oils (pine, lemon) or solvents (kerosene), which can damage plastic parts.

Storage and protection: Always use the blade cover provided with your device before storing or transporting the hedge trimmer. Completely clean the device before storage. Store it indoors, in a dry place out of reach of children. Keep it away from corrosive agents such as garden chemicals and de-icing salts, which can corrode the forged iron blades.

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