Toro 71228 Operator's Manual

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24Paper Element:1. Lightly tap the element on a flat surface to remove dustand dirt.2. Carefully clean the rubber seal on the paper element toprevent debris from entering the engine.3. Inspect the element for tears, an oily film, and damageto the rubber seal.Important Never clean the paper element withpressurized air or liquids, such as solvent, gas, or kerosene.Replace the paper element if it is damaged or cannot becleaned thoroughly.Installing the Foam and Paper ElementsImportant To prevent engine damage, always operatethe engine with the complete foam and paper air cleanerassembly installed.1. Place the foam element and paper element into theblower housing.Note: Ensure that the rubber seal is flat against the aircleaner base.2. Align the tabs on the air cleaner cover with the slots ofthe blower housing (Fig. 19). Hook the handle onto thecover and press down on the handle to lock the cover inplace.3. Close the hood.Servicing the Spark PlugInstall a new spark plug after every 100 operating hours.Check the spark plug after every 25 operating hours. Makesure that the air gap between the center and side electrodesis correct before installing the spark plug. Use a spark plugwrench for removing and installing the spark plug and agapping tool/feeler gauge to check and adjust the air gap.Type: Champion QC12YC (or equivalent)Air Gap: 0.030 in. (0.76 mm)Removing the Spark Plug1. Disengage the blades (PTO).2. Set the parking brake.3. Stop the engine and wait for all moving parts to stop.4. Remove the ignition key.5. Open the hood.6. Disconnect the wire from the spark plug (Fig. 20).1Figure 201. Spark-plug wire7. Clean around the spark plug to prevent dirt from fallinginto the engine and potentially causing damage.8. Remove the spark plug and metal washer.Checking the Spark Plug1. Look at the center of the spark plug (Fig. 21). If you seelight brown or gray on the insulator, the engine isoperating properly. A black coating on the insulatorusually means the air cleaner is dirty.m-18700.030 in.(0.76 mm)2 31Figure 211. Center electrode insulator2. Side electrode3. Air gap (not to scale)Important Never clean the spark plug. Always replacethe spark plug when it has a black coating, worn electrodes,an oily film, or cracks.2. Check the gap between the center and side electrodes(Fig. 21). Bend the side electrode (Fig. 21) if the gap isnot correct.Installing the Spark Plug1. Install the spark plug and metal washer. Make sure thatthe air gap is set correctly.2. Tighten the spark plug to 15 ft.-lb. (20 N⋅m).3. Connect the wire to the spark plug (Fig. 20).