Toro 23522 Operator's Manual

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Installing the Spark PlugTighten the spark plug to 20 N∙m (15 ft-lb).g027480Figure 25Fuel SystemMaintenanceDANGERIn certain conditions, gasoline is extremelyflammable and highly explosive. A fire orexplosion from gasoline can burn you, others,and can damage property.• Perform any fuel-related maintenancewhen the engine is cold. Do this outdoorsin an open area. Wipe up any gasoline thatspills.• Never smoke when draining gasoline andstay away from an open flame or where aspark may ignite the gasoline fumes.Replacing the In-Line FuelFilterService Interval: Every 100 hours—Replace thein-line fuel filter.Never install a dirty filter if it is removed from the fuelline.1. Park the machine on a level surface, shut off theengine, and remove the key from the ignitionswitch.2. Close the fuel-shutoff valve.3. Replace the in-line filter (Figure 26).20