Toro 74650 Operator's Manual
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Summary of Contents for Toro 74650
- Page 1 Form No. 3394-265 Rev B TimeCutter ® ZS 3200S or 4200S Riding Mower Model No. 74650—Serial No. 315000001 and Up Model No. 74655—Serial No. 315000001 and Up *3394-265* B Register at www.Toro.com. Original Instructions (EN)
- Page 2 G014523 Go to www.Toro.com to view specifications on your mower Figure 1 model. Under the seat Important: This engine is not equipped with a spark 1.
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Page 3: Table Of Contents
Servicing the Mower Belt.........45 Cleaning ..............47 Safety ................4 Washing the Underside of the Mower ......47 Safe Operating Practices........... 4 Storage ................48 Toro Mower Safety ..........6 Cleaning and Storing the Machine ......48 Model 74650............7 Troubleshooting ............49 Model 74655............7 Schematics ..............51 Slope Indicator ............ -
Page 4: Safety
Toro designed and tested this mower for reasonably safe Important: Long hair, loose clothing or jewelry may service; however, failure to comply with the following get tangled in moving parts. -
Page 5: Maintenance And Storage
Maintenance and Storage • Stop on level ground, disengage drives, engage the parking brake (if provided), shut off the engine before • Disengage drives, set the parking brake, stop the engine, leaving the operator's position for any reason, including and remove the key or disconnect spark-plug wire. Wait emptying the catchers or unclogging the chute. -
Page 6: Toro Mower Safety
Removing standard original equipment parts and accessories may alter the warranty, traction, and safety of the machine. Failure to use original Toro parts could cause serious injury or death. Making unauthorized changes to the engine, fuel or venting system, may violate... -
Page 7: Model 74650
• Replace all parts including, but not limited to, tires, belts, Sound power level was determined according to the blades, and fuel system components with original Toro procedures outlined in ISO 11094. parts. Hand/Arm Vibration • Check the brake operation frequently. Adjust and service the brake as required. -
Page 8: Slope Indicator
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. -
Page 9: Safety And Instructional Decals
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. 93-7009 1. Warning—don't operate the mower with the deflector up or removed;... - Page 10 119-8815 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow 121-2989 1. Bypass lever position for 2. Bypass lever position for pushing the machine operating the machine Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer.
- Page 11 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 8.
- Page 12 132-0869 1. Warning—read the 3. Cutting hazard of hand, 5. Ramp tipping 7. Tipping hazard on Operator's Manual. mower blade; pinching hazard—when loading slopes—do not use on hazard of hand, belt—keep onto a trailer, do not use slopes near open water; do dual ramps;...
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Page 13: Product Overview
Product Overview g020240 Figure 4 1. Footrest 13. Front caster wheels 5. Control panel 9. Deflector 2. Height-of-cut lever 6. Operator seat 10. Engine 3. Motion-control lever 7. Rear drive wheel 11. Washout fitting 4. Smart-speed lever 8. Fuel-tank cap 12. - Page 14 Motion-Control Levers and Park Height-of-Cut Lever Position The height-of-cut lever allows you to lower and raise the deck from the seated position. When you raise the lever (toward The motion-control levers are speed-sensitive controls of you), the deck is raised from the ground, and when you independent-wheel motors.
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Page 15: Operation
Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can be released causing a spark which from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can Adding Fuel damage property. -
Page 16: Checking The Engine-Oil Level
Think Safety First of varnish deposits in the fuel system, use fuel stabilizer at all times. Operating Safety Filling the Fuel Tank Please carefully read all of the safety instructions and decals Note: Ensure that the engine is shut off and the motion in the safety section. - Page 17 Understanding the Safety-Interlock CAUTION System This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss WARNING through extended periods of exposure. If safety-interlock switches are disconnected or Wear hearing protection when operating this damaged, the machine could operate unexpectedly machine.
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Page 18: Starting The Engine
Starting the Engine Engaging the Blades Important: Do not engage the blades when parked in Important: Do not engage the starter for more than tall grass. Belt or clutch damage can occur. 5 seconds at a time. Engaging the starter motor for more than 5 seconds can damage the starter motor. -
Page 19: Driving The Machine
Driving the Machine Using the Smart Speed Control System Driving the machine benefits from an understanding of The Smart Speed Control-System lever, located below the what zero-turn-radius mower means. The drive wheels turn operating position (Figure 15), gives the operator a choice independently, powered by hydraulic motors on each axle;... -
Page 20: Stopping The Machine
Driving Backward • Bagging • Mulching Note: Always use caution when backing up and turning. 1. Move the levers to the center, unlocked position. 2. To go backward, look behind you and down, as you This is the fastest speed. The suggested uses for this speed slowly pull the motion-control levers rearward (Figure are as follows:... -
Page 21: Adjusting The Height-Of-Cut
Adjusting the Height-of-Cut Positioning the Seat Note: The transport position is the highest height-of-cut position or cutting height 115 mm (4.5 inches) as shown in Figure g027249 Figure 19 Adjusting the Motion-Control Levers Adjusting the Height The motion-control levers can be adjusted higher or lower for Figure 18 maximum operator comfort (Figure... -
Page 22: Pushing The Machine By Hand
Note: If the machine fails to move, the electric brake may 2. Loosen the lower bolt just enough to pivot the control lever fore or aft (Figure 20). Tighten both bolts to still be engaged. If necessary, the electric brake can be released secure the control in the new position. -
Page 23: Converting To Side Discharge (For Models With 107 Cm (42-Inch) Decks)
G009660 5. Lift the cover out and away from the deck. 6. Lower the grass deflector over the discharge opening. Important: Ensure that the mower has a hinged grass deflector that disperses clippings to the side and down toward the turf, while in side discharge mode. -
Page 24: Transporting The Machine
Note: Do not overtighten the nuts; this could distort 9. Lower the grass deflector over the discharge opening the cover and cause blade contact. Important: Ensure that the mower has a hinged grass deflector that disperses clippings to the side Transporting the Machine and down toward the turf, while in side-discharge mode. -
Page 25: Loading The Machine
Loading the Machine Use extreme caution when loading or unloading machines onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back up ramps and drive forward down ramps (Figure 27). Figure 27 1. -
Page 26: Operating Tips
If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. Cutting 1/3 of the Grass Blade It is best to cut only about 1/3 of the grass blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly. -
Page 27: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil and filter. After the first 5 hours • Check the safety-interlock system. •... -
Page 28: Premaintenance Procedures
Premaintenance Lubrication Procedures Greasing the Bearings Raising the Seat Service Interval: Every 25 hours—Grease all the lubrication points. Make sure that the motion-control levers are locked in the Grease Type: No. 2 general purpose, lithium-based Grease park position, and lift the seat forward. 1. -
Page 29: Engine Maintenance
Engine Maintenance 5. Pump grease into the fittings until grease begins to ooze out of the bearings. Servicing the Air Cleaner Service Interval: Before each use or daily—Clean and check the air-cleaner foam element. Every 50 hours—Replace the air cleaner-paper element. -
Page 30: Servicing The Engine Oil
3. Install the air-cleaner cover, and tighten the 2 knobs (Figure 32). Servicing the Engine Oil Oil Type: Detergent oil (API service SF, SG, SH, SJ, or higher) Crankcase Capacity: 1.0 L (34 oz) when you do not change the filter; 1.05 L (36 oz) when you change the filter. Viscosity: See the table below. -
Page 31: Changing The Engine Oil And Filter
G029368 Figure 35 Changing the Engine Oil and Filter g029369 Service Interval: After the first 5 hours Figure 36 Every 100 hours (change it more often under a heavy load or in high temperatures). 5. Remove the engine-oil filter. Every 100 hours Note: Ensure the oil-filter gasket touches the engine, Note: Change the engine-oil filter more frequently when the and then an extra 3/4 turn is completed. - Page 32 g027484 Figure 38 g027477 Figure 37 6. Slowly pour approximately 80% of the specified amount of oil into the fill hole (Figure 38). 7. Check the oil level; refer to Figure...
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Page 33: Servicing The Spark Plug
Servicing the Spark Plug Checking the Spark Plug Important: Do not clean the spark plug(s). Always Service Interval: Every 50 hours—Check the spark plug. replace the spark plug(s) when it has: a black coating, Every 100 hours—Replace the spark plug. worn electrodes, an oily film, or cracks. -
Page 34: Fuel System Maintenance
Fuel System are installed after finishing the maintenance. Torque the blower-housing screws to 7.5 N-m (5.5 ft-lb). Maintenance Important: Operating the engine with a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed, will cause engine damage due to Replacing the In-Line Fuel overheating. -
Page 35: Electrical System Maintenance
Electrical System Maintenance Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. g027506 Wash hands after handling. WARNING CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. -
Page 36: Installing The Battery
Charging the Battery WARNING Service Interval: Before storage—Charge the battery and Incorrect battery-cable routing could damage disconnect battery cables. the machine and cables causing sparks. Sparks can cause the battery gasses to 1. Remove the battery from the chassis; refer to Removing explode, resulting in personal injury. -
Page 37: Servicing The Fuses
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. Checking the Tire Pressure Fuse type: • Main—F1-30 amp, blade-type Service Interval: Every 25 hours—Check tire pressure. -
Page 38: Releasing The Electric Brake
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. -
Page 39: Inspecting The Blades
Inspecting the Blades 3. Measure from the tip of the blade to the flat surface (Figure 50). Service Interval: Before each use or daily—Check the cutting blades. 1. Inspect the cutting edges (Figure 48). Note: If the edges are not sharp or have nicks, remove and sharpen the blades;... -
Page 40: Removing The Blades
To ensure 2. Blade 4. Blade bolt optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result Sharpening the Blades in non-conformance with safety standards. -
Page 41: Leveling The Mower Deck
Note: If the blade stays in a horizontal position, the G014630 blade is balanced, and can be used. Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 55). Figure 56 1. - Page 42 G014631 Figure 60 Mower decks with 1 blade Figure 59 1. Blade front to rear 1. Hanger bracket 3. Rear locking nut 2. Measure from the tip of the blade to the flat surface here. 2. Side locking nut 9. Check the side-to-side adjustments again. Note: Repeat this procedure until the measurements G009658 are correct.
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Page 43: Removing The Mower
G014634 Figure 62 1. Adjusting rod 3. Locknut 2. Adjusting block G014635 Figure 63 7. To raise the front of the mower, tighten the adjustment nut. 1. Front support rod 3. Deck bracket 2. Locking nut 8. To lower the front of the mower, loosen the adjustment nut. -
Page 44: Installing The Mower
Replacing the Grass Deflector Service Interval: Before each use or daily—Inspect the grass deflector for damage. WARNING An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or bystander's direction and result in serious injury. Also, contact with the blade could occur. -
Page 45: Mower Belt Maintenance
(1-1/2 inches). 5. Replace the grass deflector (Figure 67). 5. Using a spring-removal tool (Toro part no. 92-5771), 6. Slide the rod, straight end, through the rear grass remove the idler spring from the deck hook to remove deflector bracket. - Page 46 6. Route the new belt around the engine pulley and mower pulleys (Figure 68 Figure 69). 7. Using a spring removal tool (Toro part no. 92-5771), install the idler spring over the deck hook and place tension on the idler pulley and the mower belt (Figure Figure 69).
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Page 47: Cleaning
Cleaning 8. Turn the water off and remove the coupling from the washout fitting. Note: If the mower is not clean after one washing, Washing the Underside of the soak it and let it stand for 30 minutes. Then, repeat Mower the process. -
Page 48: Storage
Storage engine, pour 2 tablespoons of engine oil into the spark plug hole. Use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark Cleaning and Storing the plug(s). Do not install the wire on the spark plug(s). Machine 12. -
Page 49: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3. - Page 50 Problem Possible Cause Corrective Action The cutting height is uneven. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2. A cutting blade(s) is/are bent. 2. Install a new cutting blade(s). 3. The mower is not level. 3. Level the mower from side-to-side and front-to-rear.
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Page 51: Schematics
Schematics Electrical Diagram (Rev. A) - Page 52 Notes:...
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- Page 55 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.
- Page 56 Authorized Toro Service Dealer. tractor structure that other components such as the engine are secured to, cracks or breaks in normal use, it will be repaired or replaced, at Toro's option, under warranty at no cost for parts and General Conditions labor.