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Model No. 75745—Serial No. 400000000 and Up Model No. 75745TA—Serial No. 400000000 and Up Model No. 75754—Serial No. 400000000 and Up Model No. 75755—Serial No. 400000000 and Up Model No. 75755TA—Serial No. 400000000 and Up *3433-624* B Register at www.Toro.com. Original Instructions (EN)
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Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Important: If you are using a machine with a Toro Dealer or Toro Customer Service and have the model engine above 1500 m (5,000 ft) for a continuous and serial numbers of your product ready.
Contents Drive System Maintenance ........40 Checking the Tire Pressure....... 40 Releasing the Electric Brake ......40 Safety ............... 4 Adjusting the Tracking ........40 Safety Alert Symbol ..........4 Belt Maintenance ..........41 General Safety ........... 4 Inspecting the Belts .......... 41 Slope Indicator ...........
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.
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.
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. Decal 99-3943 is for models with 50-inch or 54-inch decks.
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decal132-0872 132-0872 decal112-9840 112-9840 1. Thrown object 3. Severing hazard of hand hazard—keep bystanders or foot—keep away from 1. Read the Operator's 3. Remove the ignition key away from the machine. moving parts. Manual. and read the instructions 2. Thrown object hazard, 4.
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decal132-0869 132-0869 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. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
Controls Park Position Move the motion-control levers outward from the Become familiar with all the controls before you start center to the P position when exiting the machine the engine and operate the machine. (Figure 19). Always position the motion-control levers into the P position when you stop the machine or Control Panel...
Authorized Service Dealer or authorized Toro footwear, and hearing protection. Tie back long distributor or go to www.Toro.com for a list of all hair and avoid loose clothing and loose jewelry approved attachments and accessories.
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.
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.
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.
Positioning the Seat Adjusting the MyRide™ Suspension System The seat can move forward and backward. Position the seat where you have the best control of the The MyRide™ suspension system adjusts to provide a machine and are most comfortable (Figure smooth and comfortable ride.
Adjusting the During Operation Motion-Control Levers During Operation Safety Adjusting the Height General Safety You can adjust the motion-control levers higher or The operator must use their full attention when lower for maximum comfort (Figure 11). operating the machine. Do Not engage in any activity that causes distractions;...
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• Be sure all drives are in neutral and parking brake – Whenever you leave the mower. Do Not leave is engaged before starting engine. a running machine unattended. • Start the engine carefully according to instructions • Stop engine, wait for all moving parts to stop: with feet well away from the blades.
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Towing Safety distance (twice the width of the machine) between the machine and any hazard. Use a walk behind • Do not attach towed equipment except at the hitch machine or a hand trimmer to mow the grass in point. these areas.
Operating the Mower Operating the Throttle Blade-Control Switch (PTO) You can move the throttle control between the F and S positions (Figure 16). The blade-control switch (PTO) starts and stops the Always use the F position when engaging the PTO. mower blades and any powered attachments.
Starting the Engine Shutting Off the Engine Disengage the blades by moving the Note: A warm or hot engine may not require choking. blade-control switch to the O position (Figure Important: Do not engage the starter for more 18). than 5 seconds at a time. Engaging the starter Move the motion-control levers outward to the motor for more than 5 seconds can damage the position.
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 21).
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.
Adjusting the Height of Cut motion-control levers outward to the P position. Note: The transport position is the highest Shut off the engine, remove the key, and wait height-of-cut position or cutting height at 114 mm for all moving parts to stop before leaving the (4-1/2 inches) as shown in Figure operating position.
Cutting more than that is not recommended unless damaged or worn, replace it immediately with a grass is sparse, or it is late fall when grass grows genuine Toro replacement blade. more slowly. Alternating the Mowing Direction Alternate the mowing direction to keep the grass standing straight.
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.
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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.
Pushing the Machine by Hand Important: Always push the machine by hand. Do not tow the machine, because towing may damage it. This machine has an electric-brake mechanism, and to push the machine, the key must be in the position. The battery needs to be charged and functioning to disengage the electric brake.
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.
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 •...
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...
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...
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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).
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 35 Checking the Engine-Oil Level Service Interval: Before each use or daily Note: Check the oil when the engine is cold.
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Change the engine-oil filter (Figure 38). Note: Ensure that the oil-filter gasket touches the engine and then turn the filter an extra 3/4 turn. g027799 g027477 Figure 38 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 39).
g027478 Figure 40 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.
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...
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.
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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 38).
Drive System Maintenance Checking the Tire Pressure Service Interval: Every 25 hours—Check tire pressure. Maintain the air pressure in the front and rear tires as g294417 specified. Uneven tire pressure can cause an uneven Figure 47 cut. Check the pressure at the valve stem (Figure 46).
49). g298345 Figure 49 1. Cover 2. Tab Using a spring-removal tool (Toro Part No. 92-5771), remove the idler spring from the deck hook to remove tension on the idler pulley, and roll the belt off the pulleys (Figure 50 Figure 51).
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1. Idler pulley 4. Spring 2. Mower belt 5. Engine pulley Using a spring-removal tool (Toro Part No. 3. Outside pulley 6. Spring-removal tool 92-5771), install the idler spring over the deck hook and place tension on the idler pulley and...
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.
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g014973 g014973 Figure 54 Figure 56 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...
Installing the Blades Install the blade onto the spindle shaft (Figure 57). 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 57).
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Set the height of cut to 76 mm (3 inches). Carefully rotate the blades so they are facing front to rear (Figure 62). Measure from the tip of the front blade to the flat surface and the tip of the rear blade to the flat surface (Figure 62 Figure...
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Leveling from Side to Side Move to the left side of the machine. Set the anti-scalp rollers to the top holes or remove them completely for this procedure; refer Adjusting the Anti-Scalp Rollers (page 24). Set the height-of-cut lever to the 76 mm (3 inch) position;...
To lower the front of the mower, loosen the adjustment nut. After adjustment, check the front-to-rear slope again, continue adjusting the nut until the front blade tip is 1.6 to 7.9 mm (1/16 to 5/16 inch) lower than the rear blade tip; refer to Checking the Front-to-Rear Blade Slope (page 46).
Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 69). Install the mower belt onto the engine pulley; refer to Replacing the Mower Belt (page 41). Replacing the Grass Deflector Service Interval: Before each use or daily—Inspect the grass deflector for damage.
Cleaning Slide the rod through the second grass-deflector bracket (Figure 71). Insert the rod at the front of the grass deflector Washing the Underside of into the short standoff on the deck. the Mower Deck Secure the rear end of the rod into the mower with a nut (3/8 inch) as shown in Figure Service Interval: After each use—Clean the...
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. •...
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:...
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.
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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.