Form No. 3364-876 Rev A 21in Heavy-Duty Recycler®/Rear Bagger Lawn Mower Model No. 22188—Serial No. 310000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
WARNING CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Figure 1 Important: This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land. Other states or federal areas may have similar laws. 1.
Contents Cleaning the Discharge Tunnel and Plug................................................................ 28 Cleaning the Blade Brake Clutch Shield ............... 28 Cleaning under the Belt Cover............................. 29 Storage....................................................................... 29 Preparing the Fuel System................................... 29 Preparing the Engine.......................................... 29 General Information ..........................................
Safety • All operators and mechanics should be trained. The owner is responsible for training the users. • Never let children or untrained people operate or service the equipment. Local regulations may restrict the age of the operator. • The owner/user can prevent and is responsible for accidents or injuries occurring to themselves, other people or property. This lawn mower meets or exceeds the CPSC blade safety requirements for walk-behind rotary lawn mowers and the B71.
• Use caution while operating near drop-offs. • Slow down and use caution when making turns and when changing directions on slopes. • Never raise deck with the blades running. • Never operate with the discharge deflector raised, removed or altered, unless using a grass catcher. • Do not change the engine governor setting or overspeed the engine. • Stop on level ground and shut off engine before leaving the operator’s position for any reason including emptying the catchers or unclogging the chute.
Safety and Instructional 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. Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 94-8072 68-7410 74-1970 1. Transmission speeds 98-4387 2. Neutral 1. Warning—wear hearing protection.
112-8736 7
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1 2 3 4 5 Description Use Qty. Handle Bolt (5/16 x 1-1/4 inches) Washer Thin locknut (5/16 inch) Bolt (5/16 x 1-1/2 inches) Locknut (5/16 inch) Bag support rod Cap locknut Cable tie 1 2 4 2 2 2 1 2 1 Install the handle. No parts required – Install the starter rope. Self-tapping screw Fuel tank 2 1 Install the fuel tank and fuel line. Discharge tunnel plug 1 Install the discharge tunnel plug.
the handle latches to the handle into the other mounting holes in the latches. 3 3. Slide the bag support rod through the second from the top mounting holes in the handle and secure each end with a cap locknut (Figure 3). Installing the Fuel Tank and the Fuel Line 4. Use a cable tie to secure the control cables to the left handle below the bag support rod. Parts needed for this procedure: 2 Installing the Starter Rope 2 Self-tapping screw 1 Fuel tank Procedure 1.
Figure 7 1. Discharge door handle 2. Plug, rotated clockwise 2. Since the plug is slightly wider than the discharge tunnel opening, rotate the plug clockwise slightly while inserting it (Figure 7). Note: Ensure that the arrow on the plug decal points upward. Figure 6 1. Plastic clip (2) 3. Push the plug all the way in until the spring clip on the bottom of the plug clicks into place, locking the plug securely into the discharge tunnel (Figure 8). 4.
Product Overview 5 Filling the Crankcase with Oil No Parts Required Procedure The engine crankcase is shipped without oil. You must fill it with approximately 22 ounces (0.65 l) of oil before starting the engine. Refer to Checking the Engine Oil Level for oil specifications and instructions. Figure 9 1. 2. 3. 4. 5. Handle Throttle control lever Grass bag Fuel tank Oil filter 6. 7. 8. 9. 10. Air filter Cutting height lever Spark plug Oil fill/dipstick Blade control bar Controls Figure 10 1.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Each time before you mow, make sure that the self-propel drive and the blade control bar operate properly. When you release the blade control bar, the blade and self-propel drive should stop. If they do not, contact an Authorized Service Dealer. CAUTION This machine produces sound levels in excess of 85dBA at the operator’s ear and can cause hearing loss through extended periods of exposure.
Filling the Fuel Tank with Gasoline 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. For best results, use clean, fresh, lead-free gasoline with an octane rating of 87 or higher. To ensure freshness, purchase only the quantity of gasoline that you expect to use in 30 days. Using unleaded gasoline results in fewer combustion deposits and longer engine life.
5. Pull the starter handle lightly until you feel resistance, then pull it sharply. 6. Regulate the throttle and the ground speed control as desired when the engine starts. Note: If the engine fails to start after 3 pulls, repeat steps 3 through 6. Stopping the Engine 1. Release the blade control bar and move the throttle control to the Off position. 2. Disconnect the wire from the spark plug if you do not use the lawn mower or if you leave it unattended.
the lawn mower self-propels at the maximum ground speed. Move the ground speed control to the Neutral position when you use the lawn mower for trimming and whenever you leave the lawn mower. Using the Discharge Tunnel Plug 1. Stop the engine and wait for all moving parts to stop. 2. Insert the plug; refer to Installing the Discharge Tunnel Plug. 3. To remove the plug, move the discharge door handle rearward and lift up the spring clip on the bottom of the plug.
10. Release the blade control bar; refer to position B in Figure 19. You should hear a “bang.” The blade should stop in 3 seconds. 4. Release the blade control bar (Position B in Figure 20). 5. 6. Figure 19 7. 11. Immediately push the lawn mower over the newspaper ball. 12. Stop the engine and wait for all moving parts to stop. 13. Walk around the lawn mower to check for the newspaper ball. If the ball did not go under the deck, repeat steps 6 through 12. 14. Pull the lawn mower away from the newspaper.
Installing the Grass Bag handle. The bag should begin to inflate, indicating that the blade is engaged and rotating. 1. Stop the engine and wait for all moving parts to stop. 5. Release the blade control bar. If the bag does not immediately deflate, it indicates that the blade is still rotating. The blade brake clutch may be deteriorating, and, if ignored, could result in an unsafe operating condition. Have the lawn mower inspected and serviced by an Authorized Service Dealer. 2.
Mowing with the Grass Bag • Keep everyone, especially children and pets, away from the area of operation. • Avoid striking trees, walls, curbs, or other solid objects. Never deliberately mow over any object. • If the lawn mower strikes an object or starts to vibrate, immediately stop the engine, disconnect the wire from the spark plug, and examine the lawn mower for damage. • Maintain a sharp blade throughout the cutting season. Periodically file down nicks on the blade.
cut below the 2 inch (51 mm) setting unless the grass is sparse or it is late fall when grass growth begins to slow down. • When cutting grass over 6 inches (15 cm) tall, first mow at the highest cutting height setting and walk slower; then mow again at a lower setting for the best lawn appearance. If the grass is too long and the leaves clump on top of the lawn, the lawn mower may plug and cause the engine to stall. • Alternate the mowing direction.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil without the oil filter. Before each use or daily • • • • • Check the engine oil level. Check the operation of the blade brake clutch. Inspect the mower blades for wear or damage. Clean under the lawn mower housing. Clean the discharge tunnel and plug.
Lubrication Engine Maintenance Lubricating the Pivot Arms Servicing the Air Filter Service Interval: Every 50 hours Service Interval: Every 25 hours—Clean the foam pre-cleaner (more frequently in dusty conditions). 1. Move the rear wheel cutting height levers to the center setting. Every 300 hours—Replace the paper air filter (more frequently in dusty conditions). 2. Wipe the grease fittings with a clean rag (Figure 24).
Changing the Engine Oil 2. Stop the engine and wait for all moving parts to stop. Service Interval: After the first 8 hours—Change the engine oil without the oil filter. Every 50 hours 3. Disconnect the wire from the spark plug (Figure 13). 4. Drain the engine oil; refer to Changing the Engine Oil. 5. Place a rag under the oil filter to catch any oil that may leak out as you remove the filter (Figure 27). Oil Capacity With oil filter 29 ounces (0.85 L) Without oil filter 22 ounces (0.65 L) 1.
Servicing the Spark Plug Fuel System Maintenance Service Interval: Every 100 hours—Check the spark plug. Use an NGK BPR5ES spark plug or equivalent. Emptying the Fuel Tank and Cleaning the Fuel Filter 1. Stop the engine and wait for all moving parts to stop. 2. Disconnect the wire from the spark plug (Figure 13). Service Interval: Every 50 hours—Check the fuel hose and replace it if necessary. 3. Clean around the spark plug. 4. Remove the spark plug from the cylinder head.
Servicing the Wheels Drive System Maintenance Removing the Wheels Service Interval: Every 100 hours 1. Stop the engine and wait for all moving parts to stop. 2. Disconnect the wire from the spark plug (Figure 13). 3. Remove the bolt, the wheel spacer, and the locknut mounting the wheel to the pivot arm (Figure 32). Adjusting the Self-propel Drive Service Interval: Every 100 hours If the lawn mower does not self-propel or has a tendency to creep forward when the control bar is more than 1-1/2 inches (3.
Controls System Maintenance tighten. Remove the 2 long screws or bolts and replace them with 2 bolts and 2 locknuts (Figure 32). 7. Install the wheel to the pivot arm with the bolts, a spacer, and a locknut. Ensure that the spacer is positioned between the wheel hub and the pivot arm (Figure 32). Adjusting the Blade Brake Cable Service Interval: Every 100 hours Whenever you install a new blade brake cable assembly or replace the belt, adjust the blade brake cable. 1.
Blade Maintenance Note: For the best performance, install a new blade before the cutting season begins. During the year, file down any small nicks to maintain the cutting edge. Maintaining the Cutting Blade DANGER Always mow with a sharp blade. A sharp blade cuts cleanly and without tearing or shredding the grass blades. 1. Stop the engine and wait for all moving parts to stop. 2. Disconnect the wire from the spark plug (Figure 13). 3.
Cleaning edge). The blade is properly balanced when neither end drops. Cleaning under the Lawn Mower Housing Installing the Blade 1. Install a sharp, balanced Toro blade, the accelerator, the anti-scalp cup, and the blade nuts. The sail of the blade must point toward the top of the lawn mower housing for proper installation. Torque the blade nuts to 15 to 27 ft-lb (20 to 37 N-m). To ensure the best performance, keep the underside of the lawn mower housing clean.
Scraping Method Cleaning the Blade Brake Clutch Shield If washing does not remove all debris from under the lawn mower, scrape it clean. 1. Disconnect the wire from the spark plug (Figure 13). 2. Drain the fuel from the fuel tank. Refer to Emptying the Fuel Tank and Cleaning the Fuel Filter. Service Interval: Every 50 hours Clean the blade brake clutch shield at the end of each mowing season to ensure the best performance and to prevent parts from degrading.
Storage To prepare the lawn mower for off-season storage, perform the recommended maintenance procedures. Refer to Maintenance. Store the lawn mower in a cool, clean, dry place. Cover the lawn mower to keep it clean and protected. Preparing the Fuel System Figure 40 1. Tabs and nuts 2. Blade brake clutch shield 3. Tab and bolt WARNING Gasoline can vaporize if you store it over long periods of time and explode if it comes into contact with an open flame. • Do not store gasoline over long periods of time.
4. Check the condition of the blade. Refer to Maintaining the Cutting Blade. 5. Clean the blade brake clutch shield; refer to Cleaning the Blade Brake Clutch Shield. 6. Service the air filter; refer to Servicing the Air Filter. 7. Lubricate the pivot arms; refer to Lubricating the Pivot Arms. 8. Tighten all nuts, bolts, and screws. 9. Touch up all rusted or chipped paint surfaces with paint available from an Authorized Service Dealer. Removing the Lawn Mower from Storage 1. Check and tighten all fasteners.
Troubleshooting Problem Engine does not start Engine starts hard or loses power Possible Cause 1. The fuel tank is empty or the fuel system contains stale fuel. 1. Drain and/or fill the fuel tank with fresh gasoline. If the problem persists, contact an Authorized Service Dealer. 2. The throttle lever is not in the Choke position. 3. The wire is not connected to the spark plug. 4. The spark plug is pitted, fouled, or the gap is incorrect. 2. Move the throttle lever to the Choke position. 3.
Problem Lawn mower does not self-propel Possible Cause Corrective Action 1. The self-propel drive cable is out of adjustment or is damaged. 1. Adjust the self-propel drive cable. Replace the cable if necessary. 2. There is debris under the belt cover. 2. Clean the debris from under the belt cover.
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The Toro Total Coverage Guarantee A Two-Year Full Warranty (Limited Warranty for Commercial Use) LCE 21” Commercial Walk Power Mowers Conditions and Products Covered Owner Responsibilities The Toro® Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro Product, used for normal residential purposes* if defective in materials or workmanship.