Related Manuals for Toro 74750
Summary of Contents for Toro 74750
- Page 1 Form No. 3400-822 Rev A TimeCutter ® MX 3450 Riding Mower Model No. 74750—Serial No. 3160000001 and Up *3400-822* A Register at www.Toro.com. Original Instructions (EN)
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Page 2: Figure 1
California to cause cancer, birth defects, product properly and safely. or other reproductive harm. You may contact Toro directly at www.Toro.com for product It is a violation of California Public Resource Code safety and operation training materials, accessory information, Section 4442 or 4443 to use or operate the engine on any help finding a dealer, or to register your product. -
Page 3: Table Of Contents
Washing the Underside of the Mower ......43 Safety ................4 Storage ................44 Safe Operating Practices........... 4 Cleaning and Storage ..........44 Toro Riding Mower Safety ........6 Troubleshooting ............45 Slope Indicator ............7 Schematics ..............47 Safety and Instructional Decals ......... 8 Product Overview ............12... -
Page 4: Safety
Safety • Do not operate the machine while ill, tired, or under the influence of alcohol or drugs. • Watch for traffic when operating near or crossing To reduce the potential for injury, comply with these safety roadways. instructions and always pay attention to the safety alert symbol, which means Caution, Warning, or Danger—personal •... -
Page 5: Safe Handling Of Gasoline
Safe Handling of Gasoline • Do not mow near drop-offs, ditches, steep banks or water. Wheels dropping over edges can cause rollovers, To avoid personal injury or property damage, use extra care which may result in serious injury, death or drowning. when handling gasoline and other fuels. -
Page 6: Toro Riding Mower Safety
• Keep nuts and bolts tight, especially the blade attachment of the machine. Failure to use original Toro parts could bolts. Keep equipment in good condition. cause serious injury or death. Making unauthorized •... -
Page 7: 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 8: 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 9 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.
- Page 10 121-0771 1. Choke 4. Slow 2. Fast 5. Power take-off (PTO), Blade control switch 3. Continuous variable setting 131–3947 1. Trim—slow 3. Mow—fast 2. Tow—medium...
- Page 11 132-0869 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 12: Product Overview
Product Overview 10 9 g027889 Figure 4 1. Deflector 4. Operator seat 7. Footrest 10. Height of cut lever 2. Rear drive wheel 5. Motion control levers 8. Front caster wheel 3. Control panel 6. Smart Speed™ lever 9. Lift-assist lever Controls Ignition Switch Become familiar with all of the controls in... -
Page 13: Hour Meter
Motion-Control Levers and Park Position The motion-control levers are speed-sensitive controls of independent-wheel motors. Moving a lever forward or backward turns the wheel on the same side forward or in reverse; wheel speed is proportional to the amount the lever is moved. -
Page 14: 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 15: Checking The Engine-Oil Level
Using Stabilizer/Conditioner Checking the Engine-Oil Level Use a fuel stabilizer/conditioner in the machine to provide Before you start the engine and use the machine, check the following benefits: the oil level in the engine crankcase; refer to Checking the • Keeps gasoline fresh during storage of 90 days or less. -
Page 16: Understanding The Safety-Interlock System
Understanding the Safety-Interlock System WARNING If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. -
Page 17: Starting The Engine
Starting the Engine Operating the Blades Important: Do not engage the starter for more than The blade-control switch engages and disengages power to the mower blades. This switch controls power to any 5 seconds at a time. If the engine fails to start, allow a attachments that draw power from the engine, including the 10-second cool-down period between attempts. -
Page 18: Driving The Machine
Driving the Machine Driving Forward Note: Always use caution when backing up and turning. Driving the machine benefits from an understanding of what zero-turn-radius mower means. The drive wheels turn 1. Move the levers to the center, unlocked position. independently, powered by hydraulic motors on each axle; 2. - Page 19 Driving Backward To change speeds, do the following: 1. Move the motion-control levers to the N Note: Always use caution when backing up and turning. EUTRAL position and outward to the P position. 1. Move the levers to the center, unlocked position. 2.
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Page 20: Stopping The Machine
Stopping the Machine Adjusting the Height of Cut Note: The transport position is the highest height-of-cut To stop the machine, move the motion-control levers to the N position and outward to the P position, position or cutting height 115 mm (4.5 inches) as shown in EUTRAL disengage the blade-control switch, ensure the throttle is at Figure... -
Page 21: Positioning The Seat
Positioning the Seat Adjusting the Motion-Control Levers Position the seat where you have the best control of the machine and are most comfortable (Figure 19). Adjusting the Height You can adjust the motion-control levers higher or lower for maximum comfort (Figure 21). -
Page 22: Pushing The Machine By Hand
Pushing the Machine by Hand Operating the Machine Move the bypass levers rearward through the key hole and Important: Always push the machine by hand. Do not down to lock them in place as shown in Figure tow the machine, because damage may occur. Note: Do this for each lever. -
Page 23: Transporting The Machine
Transporting the Machine Important: Do not use narrow individual ramps for each side of the machine. Use a heavy-duty trailer or truck to transport the machine. Ensure the ramp is long enough so that the angle with the Ensure that the trailer or truck has all necessary brakes, ground does not exceed 15 degrees (Figure 25). -
Page 24: Operating Tips
Operating Tips Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the F position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower in uncut grass. Always try to have 1 side of the mower free from uncut grass, which allows air to be drawn into the mower. - Page 25 Check the mower blades after each use for sharpness, and for any wear or damage. 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.
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Page 26: 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 27: Premaintenance Procedures
Premaintenance Lubrication Procedures Greasing the Bearings Raising the Seat Service Interval: Every 25 hours—Grease all lubrication points. Make sure that the motion-control levers are locked in the Grease Type: No. 2 lithium grease position, and lift the seat forward. 1. Park the machine on a level surface, and disengage the The following components can be accessed by raising the seat: blade-control switch. -
Page 28: Engine Maintenance
Engine Maintenance 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. Note: Service the air cleaner more frequently if the operating conditions are extremely dusty or sandy. Figure 29 Removing the Foam and Paper Elements... -
Page 29: Servicing The Engine Oil
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. SAE 30 SAE 5W -30, 10W -30... - Page 30 g027477 Figure 33 6. Slowly pour approximately 80% of the specified amount of oil into the fill hole (Figure 34). 7. Check the oil level (Figure 34). g029369 Figure 32 5. Remove the engine-oil filter. Note: Ensure the oil-filter gasket touches the engine, and then an extra 3/4 turn is completed.
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Page 31: Servicing The Spark Plug
g027478 Figure 35 Checking the Spark Plug Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. Note: If you see light brown or gray on the insulator, the engine is operating properly. -
Page 32: Fuel System Maintenance
Fuel System Maintenance DANGER In certain conditions, gasoline is extremely g027506 flammable and highly explosive. A fire or explosion from gasoline can burn you, others, and can damage property. • Perform any fuel-related maintenance when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. -
Page 33: Electrical System Maintenance
Electrical System WARNING Maintenance Incorrect battery-cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to WARNING explode, resulting in personal injury. • Always disconnect the negative (black) CALIFORNIA battery cable before disconnecting the Proposition 65 Warning positive (red) cable. -
Page 34: Servicing The Fuses
Charging the Battery Servicing the Fuses Service Interval: Before storage—Charge the battery and The electrical system is protected by fuses. It requires disconnect battery cables. no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. 1. -
Page 35: Drive System Maintenance
Drive System Cooling System Maintenance Maintenance Checking the Tire Pressure Cleaning the Engine Screen Service Interval: Every 25 hours—Check tire pressure. Service Interval: Before each use or daily—Clean the engine air-intake screen. Maintain the air pressure in the front and rear tires as specified. -
Page 36: Mower Maintenance
If a blade is damaged or worn, replace 2. Curved area 4. Damage it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. Checking for Bent Blades... -
Page 37: Removing The Blades
(Figure 47). blade, and the dimension obtained continues to exceed 3mm (1/8 inch), the blade spindle could be bent. Contact an Authorized Toro Dealer for service. B. If the variance is within constraints, move to the next blade. Repeat this procedure on each blade. -
Page 38: Leveling The Mower Deck
Installing the Blades 1. Install the blade onto the spindle shaft (Figure 49). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Install the blade stiffener (32-inch decks only), the curved washer (cupped side toward the blade), and the blade bolt (Figure... - Page 39 Note: Repeat this procedure until the measurements are correct. 10. Continue leveling the deck by checking the front-to-rear blade slope; refer to Adjusting the Front-to-Rear Blade G009682 Slope (page 39). Adjusting the Front-to-Rear Blade Slope Check the front-to-rear blade slope any time you install the mower.
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Page 40: Removing The Mower
G014634 Figure 55 1. Adjusting rod 3. Locknut 2. Adjusting block G014635 Figure 56 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 41: Installing The Mower
Replace the mower belt if any of 7. Using a spring removal tool (Toro Part No. 92-5771), these conditions are evident. install the idler spring over the deck hook and placing... - Page 42 g017618 Figure 60 1. Rod and spring assembly 3. Rod, short end, moved installed behind mower bracket 2. Loop end of the spring 4. Short end, retained by installed into the notch in mower bracket. the deflector bracket 7. Secure the rod and spring assembly by twisting it so the short end of the rod is placed behind the front bracket welded to the deck (Figure...
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Page 43: Cleaning
Cleaning Note: If the mower is not clean after one washing, soak it and let it stand for 30 minutes. Then, repeat the process. Washing the Underside of the 9. Run the mower again for 1 to 3 minutes to remove Mower excess water. -
Page 44: Storage
Storage 14. Check the condition of the drive and mower belts. 15. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is worn or damaged. Cleaning and Storage 16. Paint all scratched or bare metal surfaces. Paint is 1. -
Page 45: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce 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 46 Problem Possible Cause Corrective Action There is abnormal vibration. 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The engine pulley, idler pulley, or blade 2. Tighten the appropriate pulley. pulley is loose. 3. The engine pulley is damaged. 3.
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Page 47: Schematics
Schematics Electrical Diagram (Rev. A) - Page 48 Countries Other than the United States or Canada This warranty is not valid in Mexico. Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer.