Toro 75742TA Operator's Manual
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Original Instructions (EN)
TimeCutter
Model No. 75742—Serial No. 400000000 and Up
Model No. 75742TA—Serial No. 400000000 and Up
Form No. 3433-620 Rev C
®
4225 Riding Mower
*3433-620* C

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Summary of Contents for Toro 75742TA

  • Page 1 Form No. 3433-620 Rev C TimeCutter ® 4225 Riding Mower Model No. 75742—Serial No. 400000000 and Up Model No. 75742TA—Serial No. 400000000 and Up *3433-620* C Register at www.Toro.com. Original Instructions (EN)
  • Page 2 You are responsible for operating the product properly and safely. Important: If you are using a machine with a Toro engine above 1500 m (5,000 ft) for a continuous Visit www.Toro.com for product safety and operation...
  • Page 3: Table Of Contents

    information and Note emphasizes general information Electrical System Safety ........36 worthy of special attention. Servicing the Battery......... 36 Servicing the Fuses .......... 38 Drive System Maintenance ........38 Checking the Tire Pressure....... 38 Contents Releasing the Electric Brake ......38 Adjusting the Tracking ........
  • Page 4: Safety

    Safety This machine is capable of amputating hands and feet The following instructions are from ANSI standard and of throwing objects. Toro designed and tested B71.1-2017. this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death.
  • Page 5: Slope Indicator

    Slope Indicator g011841 Figure 4 You may copy this page for personal use. 1. The maximum slope you can 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 6: 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 missing. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1.
  • Page 7 decal131-1097 131-1097 1. Oil drain decal139-2388 139-2388 3. Fast 1. Slow 2. Hauling decal132-0872 132-0872 1. Thrown object 3. Severing hazard of hand hazard—keep bystanders or foot—keep away from away from the machine. moving parts. 2. Thrown object hazard, 4. Entanglement raised baffle—do not hazard—keep away operate the machine with...
  • Page 8 decal139-2394 139-2394 1. Traction controls 4. Neutral 2. Fast 5. Reverse 3. Slow 6. Parking brake decal139-2395 139-2395 1. Parking brake 4. Neutral 2. Fast 5. Reverse 3. Slow 6. Traction controls decal139-2392 139-2392 decal135-3295 135-3295 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal.
  • Page 9: Product Overview

    Product Overview g293302 Figure 5 1. Engine 4. Motion-control levers 7. Deflector 10. Control panel 2. Operator seat 5. Rear drive wheel 8. Smart Speed™ lever 3. Fuel-tank cap 6. Front caster wheels 9. Height-of-cut lever...
  • Page 10: Controls

    Controls Motion-Control Levers Use the motion-control levers to drive the machine Become familiar with all the controls before you start forward, reverse, and turn either direction (Figure the engine and operate the machine. Park Position Control Panel Move the motion-control levers outward from the center to the P position when exiting the machine (Figure...
  • Page 11: Before Operation

    Only use accessories and your Authorized Service Dealer or authorized Toro attachments approved by Toro. distributor or go to www.Toro.com for a list of all • approved attachments and accessories. Inspect the area where the equipment is to be...
  • Page 12: Pre-Start

    Pre-Start Fuel Safety Fill fuel tank on level ground. See Fuel Use extreme care when handling fuel. Recommendations in the Specifications section for additional gasoline information. DANGER Do Not add oil to gasoline. In certain conditions gasoline is extremely flammable and vapors are explosive. Do Not overfill fuel tank.
  • Page 13: Adding Fuel

    flame or any enclosed area where open pilot lights DANGER or heat appliances are present. In certain conditions during fueling, static electricity can be released causing a spark Adding Fuel which can ignite gasoline vapors. A fire or explosion from gasoline can burn you and others and cause property damage.
  • Page 14: Performing Daily Maintenance

    Understanding the Safety-Interlock System The safety-interlock system is designed to prevent the engine from starting unless: • The blade-control switch (PTO) is disengaged. • The motion-control levers are in the P position. The safety-interlock system also is designed to shut off the engine whenever the control levers are out of the P position and you rise from the seat.
  • Page 15: Positioning The Seat

    Positioning the Seat Adjusting the Tilt You can adjust the motion-control levers forward or The seat can move forward and backward. Position rearward for your comfort. the seat where you have the best control of the machine and are most comfortable (Figure Loosen the upper bolt holding the control lever to the control-arm shaft.
  • Page 16 • Lightning can cause severe injury or death. If changing directions. Do Not mow in reverse lightning is seen or thunder is heard in the area, unless absolutely necessary. Do Not operate the machine; seek shelter. • Do Not change the engine governor setting or •...
  • Page 17 – Use an angle indicator to determine the drive wheels may result in sliding and a loss of approximate slope angle of the area. braking and steering. The machine can slide even if the drive wheels are stopped. – Never operate on slopes greater than 15 degrees.
  • Page 18: Operating The Mower Blade-Control Switch (Pto)

    Operating the Mower Operating the Throttle Blade-Control Switch (PTO) You can move the throttle control between the F and S positions (Figure 15). The blade-control switch (PTO) starts and stops the Always use the F position when engaging the PTO. mower blades and any powered attachments.
  • Page 19: Starting The Engine

    Starting the Engine CAUTION Children or bystanders may be injured if they Note: A warm or hot engine may not require choking. move or attempt to operate the machine while Important: Do not engage the starter for more it is unattended. than 5 seconds at a time.
  • Page 20: Driving The Machine

    Driving the Machine Driving Backward Move the levers to the center, unlocked position. The drive wheels turn independently, powered by To go backward, slowly pull the motion-control hydraulic motors on each axle. You can turn 1 side levers rearward (Figure 20).
  • Page 21: Using The Side Discharge

    Using the Side Discharge Disengage the blade-control switch. Adjust the lever to the desired position. The mower has a hinged grass deflector that disperses clippings to the side and down toward the The following are only recommendations for use. turf. Adjustments vary by grass type, moisture content, and the height of the grass.
  • Page 22: Adjusting The Height Of Cut

    Adjusting the Height of Cut Adjusting the Anti-Scalp Rollers Note: The transport position is the highest height-of-cut position or cutting height at 114 mm Whenever you change the height of cut, adjust the (4-1/2 inches) as shown in Figure height of the anti-scalp rollers. Height of cut is controlled by the lever located to the Note: Adjust the anti-scalp rollers so that the rollers...
  • Page 23: Operating Tips

    It is best to cut only about a third of the grass blade. genuine Toro replacement blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly.
  • Page 24: After Operation

    After Operation WARNING Driving on the street or roadway without After Operation Safety turn signals, lights, reflective markings, or a slow moving vehicle emblem is dangerous and can lead to accidents General Safety causing personal injury. • Park machine on level ground, disengage drives, Do not drive machine on a public street or set parking brake, stop engine, remove key or roadway.
  • Page 25: Pushing The Machine By Hand

    WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Use only a full-width ramp; do not use individual ramps for each side of the machine.
  • Page 26 motion-control levers outward to the P position. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Locate the bypass levers on the frame on both sides of the engine. Move the bypass levers forward through the key hole and down to lock them in place (Figure...
  • Page 27: Maintenance

    While maintenance or adjustments are being modifications to the original equipment or made, someone could start the engine. failure to use original Toro parts could lead Accidental starting of the engine could to serious injury or death. Unauthorized seriously injure you or other bystanders.
  • Page 28: Recommended Maintenance Schedule(S)

    WARNING Contact with moving parts or hot surfaces may cause personal injury. Keep your fingers, hands, and clothing clear of rotating components and hot surfaces. • Check all bolts frequently to maintain proper tightness. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval •...
  • Page 29: Pre-Maintenance Procedures

    Pre-Maintenance Lubrication Procedures Greasing the Bearings Raising the Machine Service Interval: Every 25 hours—Grease the caster wheel bearings. Use jackstands to support the machine when you Grease Type: No. 2 lithium grease raise it. Park the machine on a level surface, disengage the blade-control switch, and move the WARNING motion-control levers outward to the P...
  • Page 30: Engine Maintenance

    Engine Maintenance Engine Safety • Shut off the engine before checking the oil or adding oil to the crankcase. • Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces. g027800 Servicing the Air Cleaner Service Interval: Before each use or daily Note: Service the air cleaner more frequently (every...
  • Page 31 Servicing the Foam Air-Cleaner Installing the Air Cleaner Element Install the foam element over the paper element. Service Interval: Every 25 hours/Monthly (whichever Note: Ensure that you do not damage the comes first)—Clean the air-cleaner elements. foam element (more often in dusty, Align the holes of the filter into the manifold dirty conditions).
  • Page 32: Servicing The Engine Oil

    Servicing the Engine Oil Engine-Oil Specifications Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: 2.4 L (81 fl oz) with oil filter Viscosity: See the table below. g029683 Figure 33 Checking the Engine-Oil Level Service Interval: Before each use or daily Note: Check the oil when the engine is cold.
  • Page 33 Change the engine-oil filter (Figure 36). Note: Ensure that the oil-filter gasket touches the engine and then turn the filter an extra 3/4 turn. g027799 g027477 Figure 36 Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 37).
  • Page 34: Servicing The Spark Plug

    g027478 Figure 38 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. If you see light brown or gray on the insulator, the engine is operating properly.
  • Page 35: Cleaning The Cooling System

    Cleaning the Cooling Fuel System System Maintenance Park the machine on a level surface, disengage the blade-control switch, and move the DANGER motion-control levers outward to the P In certain conditions, fuel is extremely position. flammable and highly explosive. A fire or Shut off the engine, remove the key, and wait explosion from fuel can burn you and others for all moving parts to stop before leaving the...
  • Page 36: Electrical System Maintenance

    Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the g027939 machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames.
  • Page 37 Charging the Battery WARNING Incorrectly removing the cables from Service Interval: Before storage—Charge the battery and disconnect the battery cables. battery could damage the machine and cables, causing sparks. Sparks can Remove the battery from the chassis; refer to cause the battery gasses to explode, Removing the Battery (page 36).
  • Page 38: 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 (25 A, blade-type) Service Interval: Every 25 hours—Check tire pressure.
  • Page 39: Adjusting The Tracking

    g294417 Figure 46 1. Brake-link arm on the electric brake control module 2. Left, rear tire Adjusting the Tracking When driving the machine forward full speed across a flat, level surface, if the machine pulls to 1 side, adjust the tracking. If the machine pulls to the left, adjust the right motion-control lever;...
  • Page 40: Belt Maintenance

    Route the new belt around the engine pulley and mower pulleys (Figure 49). 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 49).
  • Page 41: Mower Maintenance

    Mower Maintenance Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to repair a damaged blade may result in discontinued safety certification of the product.
  • Page 42 g014973 g014973 Figure 52 Figure 54 1. Blade (in position for measuring) 1. Opposite blade edge (in position for measuring) 2. Level surface 2. Level surface 3. Measured distance between blade and the surface (A) 3. Second measured distance between blade and surface (B) Rotate the same blade 180 degrees so that If the difference between A and B is greater the opposing cutting edge is now in the same...
  • Page 43: Leveling The Mower Deck

    Installing the Blades Install the blade onto the spindle shaft (Figure 55). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. Install the curved washer (cupped side toward the blade) and the blade bolt (Figure 55).
  • Page 44 g294044 g294046 Figure 58 Figure 59 1. Blades side to side 3. Measure from the tip of the 1. Blades front to rear 3. Measure from the tip of the blade to the flat surface blade to the flat surface here.
  • Page 45 g294195 Figure 62 Install the washer and hairpin cotter (Figure 62). g294196 Figure 60 Repeat steps through for the other side of the machine. 1. Wood block—6.6 cm 2. Wood block—7.3 cm (2-5/8 inches) thick (2-7/8 inches) thick Check the side-to-side level again; repeat this procedure until the measurements are correct.
  • Page 46: Removing The Mower Deck

    Adjusting the Front-to-Rear Blade Removing the Mower Deck Slope Park the machine on a level surface, disengage the blade-control switch (PTO), and move the Rotate the adjustment nut in the front of the motion-control levers outward to the P mower (Figure 63).
  • Page 47: Installing The Mower Deck

    Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 64). Install the mower belt onto the engine pulley; refer to Replacing the Mower Belt (page 40). Replacing the Grass Deflector Service Interval: Before each use or daily—Inspect the grass deflector for damage.
  • Page 48: Cleaning

    Cleaning Place the spring on the rod, with end wires down, and between the grass deflector brackets. Slide the rod through the second grass-deflector Washing the Underside of bracket (Figure 66). the Mower Deck Insert the rod at the front of the grass deflector into the short standoff on the deck.
  • Page 49: Disposing Of Waste

    Storage Disengage the blade-control switch, shut off the engine, remove the key, and wait for all moving parts to stop. Storage Safety Turn the water off and remove the coupling from the washout fitting. • Let the engine cool before storing the machine. •...
  • Page 50: Storing The Battery

    Storing the Battery use an alcohol-based stabilizer (ethanol or methanol). Fully charge the battery. Run the engine to distribute conditioned fuel Let the battery rest for 24 hours, then check the through the fuel system for 5 minutes. battery voltage. Shut off the engine, allow it to cool, and drain the fuel tank using a pump type Note:...
  • Page 51: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The fuel tank is showing signs of collapsing 1. The air-cleaner paper element clogged. 1. Clean the paper element. or the machine is frequently showing signs of running out of fuel. The engine overheats. 1.
  • Page 52 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valves are open. 1. Close the tow valves. 2. The traction belts are worn, loose, or 2. Contact an Authorized Service Dealer. broken. 3. The traction belts are off the pulleys. 3.
  • Page 53: Schematics

    Schematics g307974 Electrical Diagram 139-2356 (Rev. A)
  • Page 54 Notes:...
  • Page 55 Notes:...

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