Form No. 3327-277 48 cm Rear Bagging Walk Power Lawn Mower Model No. 20833—Serial No.
This spark ignition system complies with Canadian ICES-002. Preparing the Engine . . . . . . . . . . . . . . . . . . . . . . . General Information . . . . . . . . . . . . . . . . . . . . . . . . Removing From Storage . . . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ce système d’allumage par étincelle de véhicule est conforme à la norme NMB-002 du Canada. Contents Introduction Page Introduction . . . . . . . . . . . . . . . . . . . . . .
Caution signals a hazard that may cause minor or moderate injury if you do not follow the recommended precautions. • Never allow adults unfamiliar with these instructions to operate the lawn mower. This manual uses two other words to highlight information. Important calls attention to special mechanical information and Note: emphasizes general information worthy of special attention. • Never mow while people (especially children) or pets are nearby. Stop the lawn mower if anyone enters the area.
• Stop the engine and disconnect the spark-plug wire: • Replace faulty mufflers. • Before using, always visually inspect the blades, blade bolts, and cutter assembly for wear or damage. Replace worn or damaged blades and bolts in sets to preserve balance. – before clearing blockages or unclogging the chute; • On multibladed lawn mowers, use care as rotating one blade can cause the other blades to rotate. – after striking a foreign object.
• Check the grass catcher frequently for wear or deterioration. • Replace worn or damaged parts. • Use extra care when handling gasoline; gasoline vapors are explosive. • Never tamper with safety devices. Check their proper operation regularly. • Keep the lawn mower free of grass, leaves, or other debris buildup. Clean up any oil or fuel that spills. • Stop and inspect the lawn mower if you strike an object. Repair the lawn mower, if necessary, before starting the engine.
Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 93-4105 1. Warning—read and understand the operator’s manual. 2. Thrown object hazard—keep bystanders away. 3. Thrown object hazard from the lawn mower—keep the deflector in place. 4. Cutting/dismemberment hazard of hands or feet—stay away from rotating blades and moving parts. 5.
Installing the Starter Rope 1. Lay the upper handle on the ground behind the lawn mower with the handle label facing up. Pull the starter rope through the rope guide on the handle (Fig. 4). 2. Loosen the handle height adjustment knobs and rotate the lower handle rearward until it seats into one of the handle height settings as shown in Figure 2. Note: To set the handle height, refer to Adjusting the Handle Height on page 7. 2 1 1 5 2 4 3 m 4794 210 Figure 4 Figure 2 1. Handle knob (2) 2.
. Insert the dipstick into the filler neck and rotate the cap clockwise until it is tight. Before Starting Filling the Crankcase with Oil Filling the Fuel Tank with Gasoline The crankcase can hold 20 ounces (0.59 liters) of oil. Use only high-quality, SAE 30 or SAE 10W30 weight detergent oil that has the American Petroleum Institute (API) service classification SF, SG, SH, or SJ.
Reviewing the Maintenance Schedule Danger When fueling, under certain circumstances, a static charge can develop, igniting the gasoline. A fire or explosion from gasoline can burn you and others and damage property. Review the Recommended Maintenance Schedule on page 14. You may need to perform one or more additional procedures before or soon after you begin operating the lawn mower. • Always place gasoline containers on the ground and away from your vehicle before filling.
Using the Self-propel Drive 2. Push in the primer three times, waiting one second between each push (Fig. 9). To operate the self-propel drive, simply walk forward with your hands on the upper handle and your elbows at your sides, and the lawn mower will automatically keep pace with you. The faster you walk, the farther the handle will slide and the faster the lawn mower will propel (Fig. 11). 1 m-3855 Figure 9 1.
Toro recommends the following: • Cut the grass at the D, E, or F settings or keep the grass between 2 to 3 inches (5.1 to 7.6 cm) high. • Do not cut below the D setting unless the grass is sparse or it is late fall when grass growth begins to slow down. When you cut long grass, use a higher cutting height setting and walk slower; then cut the grass again at a normal setting. Mowing the grass when it is too long can plug the lawn mower and cause the engine to stall.
Mowing with the Grass Bag Danger Warning If the rear door does not close completely, the lawn mower could throw objects, causing serious personal injury or death. A worn grass bag could allow small stones and other similar debris to be thrown in the operator’s or bystander’s direction and result in serious personal injury or death to the operator or bystanders.
• Clean the underside of the lawn mower deck after each mowing. See Cleaning the Underside of the Lawn Mower Housing on page 15. Cutting Leaves • Keep the engine in good running condition. • After cutting the lawn, ensure that half of the lawn shows through the cut leaf cover. You may need to make more than one pass over the leaves. • Set the engine speed to the fastest position for the best cutting results. • For light leaf coverage, set all the wheels at the same cutting height setting.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Each Use • Check the engine oil level. Refer to Checking the Engine Oil Level on page 15. • Check the stopping time of the blade brake. The blade must stop within three seconds of releasing the bail; if it does not, contact an Authorized Service Dealer for repair. • Remove grass clippings and dirt from under the housing.
Scraping Method Checking the Engine Oil Level Before you use the lawn mower, ensure that the oil level is between the Add and the Full marks as shown on the dipstick (Fig. 5). If the oil level is below the Add mark, add oil. Refer to Filling the Crankcase with Oil on page 8. Warning Tipping the lawn mower may cause the fuel to leak from the carburetor or the fuel tank. Gasoline is extremely flammable, highly explosive and under certain conditions can cause personal injury or property damage.
Replacing the Air Filter 986 Replace the air filter every season or every 25 operating hours; replace it more frequently under dusty operating conditions. 1 Important Do not operate the engine without the air filter element; extreme engine damage will occur. Figure 19 1. 0.030 in. (0.76 mm) 1. Stop the engine and wait for all moving parts to stop. 2. Disconnect the wire from the spark plug (Fig. 8). 6. Install the spark plug and the gasket seal. 3.
Changing the Engine Oil 5. Push the belt guide tab down until it contacts the lawn mower, then hold it in place (Fig. 21). Change the oil after the first five operating hours and then after every 50 operating hours or every season. Run the engine just before changing the oil to warm the oil. Warm oil flows better and carries more contaminants. Note: Change the oil after every 25 operating hours when operating under a heavy load or in high temperatures.
Draining the Oil below the Lawn Mower Deck (Optional Method) 11. Connect the wire to the spark plug. 12. Recycle the used oil according to local codes. Note: You need a 3/8-inch ratchet extension to perform this procedure. Maintaining the Blade Warning A straight, sharp blade provides the best cutting performance. Regularly inspect and sharpen the blade. The blade is sharp; contacting the blade can result in serious personal injury.
Inspecting the Blade 1. Grasp the end of the blade using a rag or a thickly padded glove. Carefully examine the blade for sharpness and wear, especially where the flat and the curved parts meet (Fig. 26A). Because sand and abrasive material can wear away the metal that connects the flat and curved parts of the blade, check the blade before using the lawn mower. If you notice a slot or wear (Figs. 26B and 26C), replace the blade; refer to Removing the Blade on page 19. 1 2.
Cleaning Under the Belt Cover 2. Loosen the knobs that secure the upper handle section to the lower handle section. Keep the area under the belt cover free of debris. 3. Carefully swing the lower handle section forward until it rests on the engine (Fig. 29). 1. Stop the engine and wait for all moving parts to stop. 2. Lift off the cover and brush out all the debris from the belt area. 3. Install the belt cover.
Removing From Storage 3. Allow the engine to run until it stops. When you can no longer start the engine, it is sufficiently dry. Warning Preparing the Engine Folding or unfolding the handle improperly can pinch, stretch, or damage one or more of the cables. Any pinched, stretched, or damaged cable may cause an operational failure that results in an unsafe operating condition. 1. While the engine is still warm, change the oil in the crankcase. Refer to Changing the Engine Oil on page 17. 2.
Troubleshooting Toro designed and built your lawn mower for trouble-free operation. Check the following components and items carefully, and refer to Maintenance on page 14 for more information. If a problem continues, contact an Authorized Service Dealer. Problem Engine does not start Engine starts hard or loses power Engine runs rough Possible Causes Corrective Action 1. The fuel tank is empty or the fuel system contains stale fuel. 1. Drain and/or fill the fuel tank with fresh gasoline.
Problem Lawn mower or engine vibrates excessively Uneven cutting pattern Discharge chute plugs Lawn mower does not self-propel Possible Causes Corrective Action 1. The blade is bent or is out of balance. 1. Balance the blade. If the blade is bent, replace it. 2. The blade bolt is loose. 2. Tighten the blade bolt. 3. The underside of the lawn mower deck contains clippings and debris. 3. Clean the underside of the lawn mower deck. 4. The engine mounting bolts are loose. 4.
