Form No. 3328-942 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
• Never mow while people (especially children) or pets are nearby. Stop the lawn mower if anyone enters the area. This manual uses 2 other words to highlight information. Important calls attention to special mechanical information and Note: emphasizes general information worthy of special attention. • Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the lawn mower and the mowing activity.
• 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.
• To ensure the best performance and safety, purchase only genuine Toro replacement parts and accessories. • Replace worn or damaged parts. • Use extra care when handling gasoline; gasoline vapors are explosive. • Maintain or replace safety and instruction decals when necessary. • Never tamper with safety devices. Check their proper operation regularly. Sound Pressure • Keep the lawn mower free of grass, leaves, or other debris buildup. Clean up any oil or fuel that spills.
Note: Ensure that the cables and the electrical jacket are routed as illustrated in Figure 3. Setup Note: Determine the left and right sides of the machine from the normal operating position. 1 Installing the Handle 2 Warning m 4842 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. Figure 3 1.
Assembling the Grass Bag Before each use, ensure that the oil level is between the Add and the Full marks on the dipstick (Fig. 7). 1. Attach the two side channels of the grass bag to the grass bag frame as shown in Figure 5. 1 2 1626 Figure 7 1. Oil fill cap 2. Dipstick To add oil: 1. Move the lawn mower to a level surface. 2. Clean around the dipstick (Fig. 7). 2 1 3. Remove the dipstick by rotating the cap counterclockwise and pulling it out. m-4798a Figure 5 1. Grass bag frame 4.
Important days old. Important Do not use fuel additives other than a fuel stabilizer/conditioner. Do not use fuel stabilizers with an alcohol base such as ethanol, methanol, or isopropanol. Do not use gasoline that is more than 30 Danger 1. Clean around the fuel tank cap (Fig. 8). 1 In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.
Starting the Engine Stopping the Engine 1. Connect the wire to the spark plug (Fig. 10). Release the blade control bail. Both the engine and the blade should stop. If they do not stop properly, contact an Authorized Service Dealer. 1 Using the Self-propel Drive 1002 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.
Mowing with the Grass Bag 3. Lift up or press down on the handle, and use the pointer and the cutting height setting on the link rod to set the lawn mower to the desired cutting height (Fig. 15). Warning 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. 2 1 3 Check the grass bag frequently. If it is damaged, install a new Toro replacement bag.
Danger Warning If the rear door does not close completely, the lawn mower could throw objects, causing serious personal injury or death. Operating a lawn mower with its engine running at a speed greater than the factory setting can cause the lawn mower to throw a part of the blade or engine into the operator’s or bystander’s area and result in serious personal injury or death.
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 12. • Check the stopping time of the blade brake. The blade must stop within 3 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.
Washing Method 5. Remove the dirt and grass clippings with a hardwood or plastic scraper. Avoid burrs and sharp edges. 1. Move the lawn mower onto a flat paved surface near a water hose. Important Move the blade as little as possible to avoid future starting problems. 2. Turn the water on high. 6. Turn the lawn mower upright. 3. Start the engine. 7. Connect the wire to the spark plug. 4.
Important Replace a cracked, fouled, or dirty spark plug. Do not clean the electrodes because grit entering the cylinder could damage the engine. 5. Set the gap on the new plug to 0.030 in. (0.76 mm) (Fig. 19). 1 m 4785 Figure 21 1 1. Belt guide tab 986 6. Pull the cable jacket down (toward the lawn mower) to remove all the slack in the cable (Fig. 20). Figure 19 1. 0.030 in. (0.76 mm) 6. Install the spark plug and the gasket seal. 7.
Draining the Oil above the Housing (Preferred Method) 4. Place a drain pan under the lawn mower. 5. Remove the oil drain plug, return the lawn mower to its operating position, and allow the oil to drain into the drain pan (Fig 24). 1. Remove the grass bag. 2. Disconnect the wire from the spark plug (Fig. 10). 3. Drain the gasoline from the fuel tank; refer to steps 3 and 4 of Emptying the Fuel Tank on page 17. 1 1 4.
1 Warning A 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. 2 3 B Avoid fuel spills by running the engine dry or removing gasoline with a hand pump; never siphon. 4 m-6336 Figure 26 1. Sail 2. Flat part of blade 3. Drain the gasoline from the fuel tank; refer to steps 3 and 4 of Emptying the Fuel Tank on page 17. 3. Wear 4.
Sharpening the Blade 2. Lift off the cover and brush out all the debris from the belt area. File the top side of the blade to maintain its original cutting angle (Fig. 27A) and inner cutting edge radius (Fig. 27B). The blade will remain balanced if you remove the same amount of material from both cutting edges. A Cleaning the Cooling System 2 B 1 3. Install the belt cover.
3. Using an oil can, add about 1 tablespoon of oil through the spark plug hole. 4. Slowly rotate the engine several times using the starter rope to distribute the oil. 5. Install the spark plug but do not connect the wire to the spark plug. m 4790 General Information Figure 29 1. Clean under the housing. Refer to Cleaning under the Housing on page 12. 4. Carefully swing the upper handle section rearward until it rests flat (Fig. 29). 2.
4. Clean the spark plug or replace it if it is cracked, broken, or if the electrodes are worn. 7. Fill the fuel tank with fresh, clean gasoline. 8. Check the engine oil level. Refer to Checking the Engine Oil Level on page 12. 5. Install the spark plug and torque it to 15 ft-lb (20 N m). 6. Perform the recommended maintenance procedures; refer to Maintenance on page 12. 9. Connect the wire to the spark plug. Troubleshooting Toro designed and built your lawn mower for trouble-free operation.
Problem Engine runs rough Lawn mower or engine vibrates excessively Uneven cutting pattern Discharge chute plugs Lawn mower does not self-propel Possible Causes Corrective Action 1. The wire is not connected to the spark plug. 1. Connect the wire to the spark plug. 2. The spark plug is pitted, fouled, or the gap is incorrect. 2. Check the spark plug and adjust the gap if necessary. Replace the spark plug if it is pitted, fouled, or cracked. 3.
