Form No. 3327-743 ProLine 53 cm Recycler Walk Power Lawn Mower Model No.
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Lawn Mower Safety . . . . . . . . . . . . . . . . Sound Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . Sound Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vibration Level . . . . . . . . . . . . . . . . . . . . . . . . . . Symbol Glossary . . . . . . . . . . . . . . . . . . . . . . . . . Assembly . . . .
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. • 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. Never assume that children will remain where you last saw them. Safety • Keep children out of the mowing area and under the watchful care of a responsible adult.
• On multibladed lawn mowers, use care as rotating one blade can cause the other blades to rotate. – after striking a foreign object. Inspect the lawn mower for damage and make repairs before starting and operating the lawn mower; and Operation – if the lawn mower starts to vibrate abnormally (check it immediately). • Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect. • Stop the engine: • Mow only in daylight or in good artificial light.
• Never tamper with safety devices. Check their proper operation regularly. • To ensure the best performance and safety, purchase only genuine Toro replacement parts and accessories. • Keep the lawn mower free of grass, leaves, or other debris buildup. Clean up any oil or fuel that spills. • Maintain or replace safety and instruction decals when necessary. • Stop and inspect the lawn mower if you strike an object. Repair the lawn mower, if necessary, before starting the engine.
Stay a safe distance from the mower. On/Run Throw or flying objects — Whole body exposure Engage Thrown or flying objects — Rotary side-mounted mower. Keep deflector shield in place. Disengage Stop engine before leaving operator position.
Engine start Cutting element — basic symbol Engine stop Cutting element — height adjustment Choke Pull rope. Primer (start aid) Wheel Push primer three times. Wheel traction Properly dispose of batteries. Lower control bar. Insert key in ignition switch. Raise control bar. Turn key in ignition switch. Raise/lower control bar. Move control. Raise/lower control bar.
Move control forward. Raise control bar. Move control rearward. Raise control bar. Lower control bar. Assembly Note: You can adjust the handle height for comfortable operation. Stand behind the handle to determine the height. To adjust the handle height, position the cap screws and the locknuts that secure the handle latches to the handle into the other mounting holes in the latches. Note: Determine the left and right sides of the machine from the normal operating position. Installing the Handle 3.
4 Installing the Air Cleaner Cover 3 1. Insert the bottom tabs of the air cleaner cover into the slots (Fig. 5). 5 2 2 6 1 3 7 1 m-2942 Figure 3 1. 2. 3. 4. Locknut Fuel tank retainer Plastic clips Fuel tank m-196 5. Fuel tank bracket 6. Tank base 7. Self-tapping screws Figure 5 1. Slots 2. Tabs 3. Cover 2. Rotate the cover upward and snap it into place (Fig. 5). 2. Hook the plastic clips on the front of the fuel tank onto the fuel tank bracket (Fig. 3).
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 (Fig. 7). Danger In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and cause property damage. 1 • Fill the fuel tank outdoors, in an open area, and when the engine is cold. Wipe up any gasoline that spills. • Do not fill the fuel tank completely full.
Controls Important Do not use fuel additives except a fuel stabilizer during storage. Do not use fuel stabilizers with an alcohol base such as ethanol, methanol, or isopropanol. The throttle control and the ground speed control levers are on the console on the handle with the throttle control to the left and the ground speed control to the right. The blade/self-propel control bar is under the upper handle (Fig. 9). 1. Pour a half gallon (1.
C 4. Set the ground speed selector to the N (Neutral) position. 5. Take a half sheet of newspaper and crumple it into a ball small enough to go under the deck (about three inches or 76 mm in diameter) as shown in Figure 11. B A m-512 Figure 10 1 2. Slide the control bar to the right and raise it to the B position to engage the blade (Fig. 10). 756 3. Squeeze the control bar against the handle to the C position to drive (Fig. 10). Figure 11 1. 5 in. (12.
1 C A B B m-5086 Figure 15 m-5085 Figure 13 Note: This intermediate position (C) is not the normal operating position of the control bar. However, it helps to detect a sticking BBC system early enough to prevent an unsafe condition later. 1. 1 in. (2.5 cm) 10. Release the control bar; refer to position B in Figure 14. You should hear a “bang.” The blade should stop in three seconds. 4. Release the control bar (Position B in Fig. 15).
Test Using the Grass Bag Danger You can use the grass bag to perform an additional test to check the blade brake clutch mechanism: Adjusting the cutting height levers could bring your hands into contact with a moving blade and result in serious injury. 1. Install the empty grass bag on the discharge tunnel. 2. Start the engine. • Stop the engine and wait for all movement to stop before adjusting the cutting height. • Do not put your fingers under the housing when adjusting the cutting height. 3.
Installing the Grass Bag Mowing with the Grass Bag 1. Stop the engine and wait for all moving parts to stop. Warning 2. Ensure that the discharge door handle is fully forward and that the pin is engaged in the catch (Fig. 18). 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. 1 2 Check the grass bag frequently.
Operating Tips Cutting Grass • Review the safety instructions and read this manual carefully before operating the lawn mower. • Grass grows at different rates at different times of the year. In the summer heat, it is best to cut grass at the 1- / in. (44 mm), 2- / in. (57 mm), or 2- / in. (70 mm) cutting height settings. Cut only about a third of the grass blade at a time. Do not cut below the 1- / in.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Each Use Maintenance Procedure • 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. • Clean the discharge tunnel and the discharge tunnel plug.
Checking the Blade Brake Clutch 4. Turn the water on high pressure. Refer to Checking the Blade Brake Clutch on page 12. 6. Let the lawn mower run for two minutes. 5. Start the engine. 7. Stop the engine and wait for all moving parts to stop. Cleaning the Underside of the Lawn Mower Housing 8. Turn the water off and remove the coupling from the washout fitting. 9. Turn off the garden hose. To ensure the best performance, keep the underside of the lawn mower housing clean.
4. Remove the dirt and grass clippings with a hardwood scraper. Avoid burrs and sharp edges. 5. Turn the lawn mower upright. 6. Fill the fuel tank. 7. Connect the wire to the spark plug. 1 Cleaning the Discharge Tunnel and Plug 2 3 m-196 4 Figure 22 Remove the plug from the discharge tunnel and clean it after each use. 1. Spark-plug wire 2. Primer Always be sure that the discharge tunnel door closes securely when you release the handle.
3. Drain the gasoline from the fuel tank; refer to steps 3 through 5 of Emptying the Fuel Tank on page 26. 1 4. Tip the lawn mower onto its right side (Fig. 25). 2 1 m-110 Figure 23 1. 0.032 in. (0.81 mm) 6. Install the spark plug and the gasket seal. 7. Torque the plug to 10 ft-lb (13.6 N m). 8. Connect the wire to the spark plug. 3 4 Lubricating the Pivot Arms m-796 Figure 25 1. Blade 2. Blade nuts After every 25 operating hours or when the season ends, lubricate the pivot arms. 1.
Installing the Blade Danger 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). A worn or damaged blade can break, and a piece of the blade could be thrown into the operator’s or bystander’s area, resulting in serious personal injury or death. • Inspect the blade periodically for wear or damage.
Cleaning the Cooling System 2 After every 75 operating hours, clean the cylinder, the cylinder head fins, and around the carburetor and the linkage with a brush or an air hose. Remove debris from the air intake slots on the recoil housing. This ensures proper cooling and optimum engine performance. 1 3 Adjusting the Throttle m-796 You may need to adjust the throttle control if the engine does not start. Whenever you install a new throttle control cable, adjust it. Figure 29 1. Tabs and nuts 2.
Adjusting the Self-propel Drive If the lawn mower does not self-propel, or it self-propels when control bar is more than 1 / in. (38 mm) from the handle, adjust the gear control cable and the wheel drive cable. Adjusting the Control Cable 1 1. Stop the engine and wait for all moving parts to stop. m-228 2. Disconnect the wire from the spark plug (Fig. 22). Figure 33 3. Remove the bolts that secure the belt cover (Fig. 30) to the lawn mower housing and lift off the cover. 1. Control knob 4.
1. Stop the engine and wait for all moving parts to stop. 1. Remove the grass bag. 2. Disconnect the wire from the spark plug (Fig. 22). 2. Install the grease gun onto the fitting through the belt cover opening (Fig. 37). 3. Use a hardwood scraper to remove the carbon from the end of the muffler pipe (Fig. 35). 2 1 m-224 1 2 m-202 Figure 37 Figure 35 1. Screw, nuts, and lock washers 1. Belt cover 2. Muffler pipe 2. Grease fitting 3.
1 Warning 2 3 Do not overtighten the blade brake cable. Overtightening the blade brake cable could cause the blade brake to come off of the brake drum. If the brake does not contact the drum, the blade will not stop rotating when you release the control bar. A rotating blade could cause serious personal injury. 5 9 • Each time you adjust the brake cable, ensure that the brake stops the blade in three seconds or less.
Emptying the Fuel Tank 2. Using an oil can, add about one tablespoon of oil to the crankcase through the spark plug hole. 1. Stop the engine and wait for it to cool down. 3. Slowly rotate the engine several times, using the starter rope, to distribute the oil. 2. Disconnect the wire from the spark plug (Fig. 22). 4. Install the spark plug but do not connect the wire to the spark plug. 3. Remove the cap from fuel tank (Fig. 3) 4. Use a hand pump to syphon the fuel into a clean, approved fuel container.
• Spark Arrestor Kit Accessories Note: If a spark arrestor is required by local, state, or federal regulations, you may purchase one from an Authorized Service Dealer. Clean the screen after every 75 operating hours. You may purchase the following accessories from an Authorized Service Dealer: • Side Discharge Kit Troubleshooting Toro designed and built your lawn mower for trouble-free operation.
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 mounting bolt is loose. 2. Tighten the blade mounting 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.
