Form No. 3433-644 Rev A TimeCutter® 4200C and 4275C Riding Mower Model No. 75741—Serial No. 400000000 and Up Model No. 75743—Serial No. 400000000 and Up Register at www.Toro.com.
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire. its intended use could prove dangerous to you and bystanders.
• Danger indicates an imminently hazardous Maintenance ........................................................... 30 Maintenance Safety.......................................... 30 Recommended Maintenance Schedule(s) ........... 30 Pre-Maintenance Procedures .............................. 32 Raising the Machine ......................................... 32 Lubrication .......................................................... 32 Greasing the Bearings ......................................
Safety The following instructions are from ANSI standard B71.1-2017. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury. • Read and understand the contents of this Operator’s Manual before starting the engine. • Keep bystanders and children away. • Do not allow children or untrained people to operate or service the machine.
Slope Indicator g011841 Figure 3 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. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
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. Explosion hazard 6. Keep bystanders away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4.
decal132-0872 132-0872 1. Thrown object hazard—keep bystanders away from the machine. 3. Severing hazard of hand or foot—keep away from moving parts. 2. Thrown object hazard, raised baffle—do not operate the machine with an open deck; use a bagger or a baffle. 4. Entanglement hazard—keep away from moving parts; keep all guards and shields in place. decal139-2388 139-2388 1. Slow 2. Hauling decal133-8062 3. Fast 133-8062 decal138-2456 138-2456 1. Read the Operator’s Manual. 2.
decal139-2395 139-2395 1. Parking brake 4. Neutral 2. Fast 3. Slow 5. Reverse 6. Traction controls Decal 139-2397 is for models with MyRide Only. decal139-2397 139-2397 decal139-2392 139-2392 decal139-2394 139-2394 1. Traction controls 2. Fast 3. Slow 4. Neutral 5. Reverse 6.
Decal 132-0869 is for models with MyRide Only. 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.
Decal 135-3295 is for models without MyRide only. 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. 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.
Product Overview g308236 Figure 4 Models with MyRide 1. Engine 4. Motion-control levers 7. Height-of-cut lever 10. Control panel 2. Operator seat 5. Front caster wheel 8. Deflector 11. MyRide™ adjustment lever 3. Fuel-tank cap 6. Smart Speed™ lever 9.
g308237 Figure 5 Models without MyRide 1. Smart Speed™ lever 4. Control panel 7. Anti-scalp roller 2. Height-of-cut lever 5. Engine 8. Front caster wheel 3. Motion-control levers 6. Fuel-tank cap 9.
Controls Park Position Become familiar with all the controls before you start the engine and operate the machine. Move the motion-control levers outward from the center to the PARK position when exiting the machine (Figure 21). Always position the motion-control levers into the PARK position when you stop the machine or leave it unattended. Control Panel MyRide™ Adjustment Lever For Machines with the MyRide™ Suspension System Use the MyRide™ adjustment lever to adjust the seat suspension (Figure 4).
Height-of-Cut Lever Operation Use the height-of-cut lever to lower and raise the deck from the seated position. Moving the lever up (toward you) raises the deck from the ground and moving the lever down (away from you) lowers the deck toward the ground. Adjust the height-of-cut only while the machine is not moving (Figure 25). Note: Determine the left and right sides of the machine from the normal operating position.
Fuel Safety compartment to help prevent fires. Clean up oil or fuel spills. • Fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Adding Fuel – To prevent a static charge from igniting the fuel, place the container and/or machine directly on the ground before filling, not in a vehicle or on an object.
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 PARK position. The safety-interlock system also is designed to shut off the engine whenever the control levers are out of the PARK position and you rise from the seat. Testing the Safety-Interlock System Test the safety-interlock system before you use the machine each time.
Adjusting the MyRide™ Suspension System Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable (Figure 9 or Figure 10). Machines with MyRide Only The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. Position the suspension system where you are most comfortable. The slots for the suspension adjustment have detent positions for reference.
Adjusting the Motion-Control Levers During Operation During Operation Safety Adjusting the Height General Safety You can adjust the motion-control levers higher or lower for maximum comfort (Figure 12). • The owner/operator can prevent and is responsible • • • g027252 Figure 12 • Adjusting the Tilt You can adjust the motion-control levers forward or rearward for your comfort. 1. Loosen the upper bolt holding the control lever to the control-arm shaft. 2.
• Keep children out of the operating area and under – Shut off the engine and remove the key. the watchful care of a responsible adult other than the operator. – Wait for all moving parts to stop. • Operate the engine only in well-ventilated areas. • Be alert and shut off the machine if children enter Exhaust gases contain carbon monoxide, which is lethal if inhaled. the operating area. • Before backing up or turning the machine, look • Never leave a running machine unattended.
• • • and loss of control. Reduce the towed weight and slow down. braking and steering. The machine can slide even if the drive wheels are stopped. Remove or mark obstacles such as ditches, holes, ruts, bumps, rocks, or other hidden hazards. Tall grass can hide obstacles. Uneven terrain could overturn the machine. Use extra care while operating with accessories or attachments, such as grass-collection systems. These can change the stability of the machine and cause a loss of control.
Operating the Mower Operating the Throttle Blade-Control Switch (PTO) You can move the throttle control between the FAST and SLOW positions (Figure 18). The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Always use the FAST position when engaging the PTO. Engaging the Blade-Control Switch (PTO) g295539 Figure 18 g008945 Figure 15 Note: Always engage the blades with the throttle in Operating the Choke the FAST position (Figure 16).
Starting the Engine Shutting Off the Engine Note: A warm or hot engine may not require choking. 1. Disengage the blades by moving the blade-control switch to the OFF position (Figure 17). 2. Move the motion-control levers outward to the PARK position. 3. Move the throttle lever to the SLOW position and let the engine idle for 1 minute. 4. Turn the key to the OFF position and remove the key. Important: Do not engage the starter for more than 5 seconds at a time.
Driving the Machine Driving Backward The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require sometime for you to adapt to how it moves. 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 23).
2. Disengage the blade-control switch. 3. Adjust the lever to the desired position. Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. The following are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass.
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 (4-1/2 inches) as shown in Figure 25. Whenever you change the height of cut, adjust the height of the anti-scalp rollers. You can adjust the height of cut from 38 to 114 mm (1-1/2 to 4-1/2 inches) in 13 mm (1/2 inch) increments. The height of cut is controlled by the lever located to the right of the operating position (Figure 25).
Operating Tips drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged or you can disengage the mower deck while moving forward. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the FAST 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 deck in uncut grass.
Pushing the Machine by Hand After Operation After Operation Safety Important: Always push the machine by hand. Do not tow the machine, because towing may damage it. General Safety This machine has an electric-brake mechanism, and to push the machine, the key must be in the RUN position. The battery needs to be charged and functioning to disengage the electric brake. • Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operator’s position.
Selecting a Trailer WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death (Figure 28). • Use only a full-width ramp; do not use individual ramps for each side of the machine. • Do not exceed a 15-degree angle between the ramp and the ground or between the ramp and the trailer or truck. g295542 • Ensure that the length of the ramp is at least 4 times as long as the height of the trailer or truck bed to the ground.
1. If using a trailer, connect it to the towing vehicle and connect the safety chains. 2. If applicable, connect the trailer brakes and lights. 3. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 28). 4. Back the machine up the ramp (Figure 29). g027995 Figure 29 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. 5. Shut off the engine, remove the key, and engage the parking brake. 6.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety • Never tamper with safety devices. Check their proper operation regularly. • If you leave the key in the switch, someone could • • • • • accidently start the engine and seriously injure you or other bystanders. Remove the key from the switch before you perform any maintenance. Before you leave the operator’s position, do the following: – Park the machine on a level surface.
Maintenance Service Interval Every 300 hours Before storage Maintenance Procedure • Check and adjust the valve clearance. Contact an Authorized Service Dealer. • Charge the battery and disconnect the battery cables. • Perform all maintenance procedures listed above before storage. • Paint any chipped surfaces. Important: Refer to your engine owner's manual for additional maintenance procedures.
Pre-Maintenance Procedures Lubrication Raising the Machine Service Interval: Every 25 hours—Grease the caster wheel bearings. Use jackstands to support the machine when you raise it. Grease Type: No. 2 lithium grease Greasing the Bearings 1. Supporting the machine on the lower muffler shield (Figure 31) may damage the shield and cause the machine to fall, injuring you or bystanders.
Engine Maintenance Servicing the Paper Air-Cleaner Element Engine Safety Service Interval: Every 100 hours or yearly, whichever comes first—Replace the paper air-cleaner element (more often in dirty or dusty conditions). • Keep your hands, feet, face, clothing, and other body parts away from the muffler and other hot surfaces. Allow engine components to cool before performing maintenance. Do not change the engine governor speed or overspeed the engine. • 1.
Servicing the Engine Oil Engine-Oil Specifications Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: 1.8 L (61 fl oz); without filter; 2.1 L (70 fl oz) with filter Viscosity: See the table below. g292130 Figure 34 g194611 Figure 35 Checking the Engine-Oil Level Service Interval: Before each use or daily Changing the Engine Oil Note: Check the oil when the engine is cold. Service Interval: After the first 8 hours—Change the engine oil.
Changing the Engine-Oil Filter Service Interval: Every 200 hours—Change the engine-oil filter (more often in dirty or dusty conditions). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 34). 2. Change the engine-oil filter (Figure 38). g027539 Figure 36 5. 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).
Servicing the Spark Plug Service Interval: Every 100 hours Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug and a gapping tool or feeler gauge to check and adjust the air gap. Install a new spark plug if necessary. g206628 Figure 40 Type of Spark Plug: NGK® BPR4ES or equivalent Air Gap: 0.75 mm (0.03 inch) Installing the Spark Plug Removing the Spark Plug 1.
Fuel System Maintenance DANGER g027590 In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Refer to Fuel Safety (page 15) for a complete list of fuel related precautions. Replacing the In-Line Fuel Filter Service Interval: Every 100 hours—Replace the in-line fuel filter. Never install a dirty filter after removing it from the fuel line. 1.
Electrical System Maintenance WARNING Incorrectly removing the cables from battery could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Electrical System Safety • Disconnect the battery before repairing the • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. machine. Disconnect the negative terminal first and the positive last.
Charging the Battery Drive System Maintenance Service Interval: Before storage—Charge the battery and disconnect the battery cables. 1. Remove the battery from the chassis; refer to Removing the Battery (page 38). 2. Charge the battery for a minimum of 1 hour at 6 to 10 A. Checking the Tire Pressure Service Interval: Every 25 hours—Check tire pressure. Note: Do not overcharge the battery. 3. Maintain the air pressure in the front and rear tires as specified.
Releasing the Electric Brake Note: Rotate the bolt a small amount to make minor adjustments. You can manually release the electric brake by rotating the link arms forward. Once the electric brake is energized, the brake resets. 1. Turn the key to the the battery. 2. Locate the shaft on the electric brake where the brake link arms are connected (Figure 46). 3. Rotate the shaft forward to release the brake. OFF position or disconnect g294417 Figure 46 1.
Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or cracks. Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. g298345 Figure 49 Replacing the Mower Belt The signs of a worn belt include squealing while the belt is rotating, blades slipping while cutting grass, and frayed edges, burn marks, and cracks on the belt.
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 50). 8. Install the pulley covers. Mower Maintenance Blade Safety • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the blades; never straighten or weld them.
g006530 Figure 51 1. Cutting edge 3. Wear/slot forming 2. Curved area 4. Crack g014973 Figure 53 1. Blade (in position for measuring) Checking for Bent Blades 2. Level surface 3. Measured distance between blade and the surface (A) Note: The machine must be on a level surface for the following procedure. 4. 1. Raise the mower deck to the highest height-of-cut position. 2.
g014973 Figure 55 g027833 1. Opposite blade edge (in position for measuring) Figure 56 2. Level surface 3. Second measured distance between blade and surface (B) A. 1. Sail area of the blade 2. Blade If the difference between A and B is greater than 3 mm (1/8 inch), replace the blade with a new blade; refer to Removing the Blades (page 44) and Installing the Blades (page 45). Sharpening the Blades 1.
Installing the Blades 1. Install the blade onto the spindle shaft (Figure 56). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Install the curved washer (cupped side toward the blade) and the blade bolt (Figure 56). 3. Torque the blade bolt to 81 to 108 N∙m (60 to 80 ft-lb). g294044 Leveling the Mower Deck Figure 59 1.
g294046 Figure 60 1. Blades front to rear 3. Measure from the tip of the blade to the flat surface here. g294196 Figure 61 1. Wood block—6.6 cm (2-5/8 inches) thick 2. Outside cutting edges 6. Leveling from Side to Side 1. Move to the left side of the machine. 2. Set the anti-scalp rollers to the top holes or remove them completely for this procedure; refer to Adjusting the Anti-Scalp Rollers (page 25). 3.
3. To lower the front of the mower, loosen the adjustment nut. 4. 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 45). 5. When the front-to-rear blade slope is correct, check the side-to-side level of the mower again; refer to Checking the Side-to-Side Level (page 45). g294195 Figure 63 Removing the Mower Deck 8.
6. On 1 side of the machine, remove the washer and hairpin cotter from the deck pin (Figure 66). 7. Repeat steps 5 and 6 for the other side of the machine. 8. Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 65). 9. 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.
4. Install the new grass deflector (Figure 67). 5. Slide the straight end of the rod through the rear grass deflector bracket. 6. Place the spring on the rod, with end wires down, and between the grass deflector brackets. 7. Slide the rod through the second grass-deflector bracket (Figure 67). 8. Insert the rod at the front of the grass deflector into the short standoff on the deck. 9. Secure the rear end of the rod into the mower with a nut (3/8 inch) as shown in Figure 67.
7. Disengage the blade-control switch, shut off the engine, remove the key, and wait for all moving parts to stop. 8. Turn the water off and remove the coupling from the washout fitting. Storage Storage Safety • Shut off the engine, remove the key, and wait for all moving parts to stop before you leave the operator’s position. Allow the machine to cool before adjusting, servicing, cleaning, or storing it. Note: If the mower is not clean after 1 washing, soak it and let it stand for 30 minutes.
11. Check the condition of the blades; refer to Servicing the Cutting Blades (page 42). 12. Prepare the machine for storage for over 30 days as follows: A. Storing the Battery Add fuel stabilizer/conditioner to fresh fuel in the tank. Follow mixing instructions from the fuel stabilizer manufacturer. Do not use an alcohol-based stabilizer (ethanol or methanol). B. Run the engine to distribute conditioned fuel through the fuel system for 5 minutes. C.
Troubleshooting Problem Possible Cause The fuel tank is showing signs of collapsing or the machine is frequently showing signs of running out of fuel. 1. The air-cleaner paper element clogged. The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 3. The cooling fins and air passages under the engine-blower housing are plugged. 4. The air cleaner is dirty. 2. Add oil to the crankcase. 3.
Problem The machine does not drive. The machine vibrates abnormally. The cutting height is uneven. The blades do not rotate. Possible Cause Corrective Action 1. The bypass valves are open. 1. Close the tow valves. 2. The traction belts are worn, loose, or broken. 3. The traction belts are off the pulleys. 4. The transmission has failed. 2. Contact an Authorized Service Dealer. 1. The cutting blade(s) is/are bent or unbalanced. 1. Install new cutting blade(s). 2. The blade mounting bolt is loose.
Schematics g307974 Electrical Diagram—139–2356 (Rev.
Notes:
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.