Husqvarna W448 Operation Manual - Page 8
General Maintenance
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• Keep the nozzle in contact with the rim of • the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device. • If leaks arise in fuel system, engine must not be started until problem has been resolved. • • Never store the machine or fuel container where there is an open flame, spark, or pilot light such as on a water heater or other appliance. • Do not use gas with methanol. Methanol • is harmful to your health and to the • environment. General Maintenance • • Never use the machine indoors or in spaces lacking proper ventilation. The • exhaust fumes contain carbon monoxide, an odorless, • poisonous, and lethal gas. • Keep all nuts and bolts tight to be sure the equipment is in safe working 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 and remove any fuel-soaked • debris. Allow machine to cool before storing. • If you strike a foreign object, stop and inspect the machine. Repair, if necessary, before restarting. • • Never make any adjustments or repairs with the engine running. • Check the discharge guard frequently and • replace with manufacturer's recommended parts, when necessary. • Mower blades are sharp. Wrap the blade or wear gloves, and use extra caution when servicing them. • Check brake operation frequently. Adjust and service as required. • • Maintain or replace safety and instruction labels, as necessary. • Check wheel hardware tightness often during the first 100 hours of operation. Wheel hardware must be tightened to specified torque using the proper procedure anytime it is loosened. - 8 - Do not modify safety equipment. Check regularly to be sure it works properly. The machine must not be used with defective or unmounted protective plates, protective cowlings, safety switches, or other protective devices. Do not change the settings of governors and avoid running the engine with overly high engine speeds. If you run the engine too fast, you risk damaging the machine components. Use protective goggles. Ensure that the fuel filler cap is mounted tightly and no flammable substances are stored in an open vessel. The machine is tested and approved only with the equipment originally provided or recommended by the manufacturer. Only use approved repair parts for the machine. Reduce the risk of fire by removing grass, leaves, and other debris that may have accumulated on the machine. Allow the machine to cool before putting it in storage. Hydraulic hoses and lines can fail due to physical damage, kinks, age, and exposure. Check hoses and lines regularly. Replace damaged hoses and lines. Hydraulic fluid connections can loosen due to physical damage and vibration. Check connections regularly. Tighten loose connections. Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before disconnecting hydraulic or other lines. Tighten all connections before applying pressure. Search for leaks with a piece of cardboard. Protect hands and body from high pressure fluids. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. Doctors unfamiliar with this type of injury should reference a knowledgeable medical source. Always maintain the correct tire pressure. Do not inflate the tires above the recommended pressure. Never weld or heat a wheel and tire assembly. The heat can cause an increase in air pressure resulting in a tire explosion. Welding can structurally weaken or deform the wheel.