Form No. 3449-834 Rev A TimeCutter® MX 4275T and MX 5075T Riding Mower Model No. 74691—Serial No. 400000000 and Up Model No. 74695—Serial No. 400000000 and Up Register at www.Toro.com.
This product complies with all relevant European directives; for details, please see the separate product specific Declaration of Conformity (DOC) sheet. Gross or Net Torque: The gross or net torque of this engine was laboratory rated by the engine manufacturer in accordance with the Society of Automotive Engineers (SAE) J1940 or J2723. As configured to meet safety, emission, and operating requirements, the actual engine torque on this class of mower will be significantly lower.
Contents Servicing the Battery......................................... 39 Servicing the Fuses .......................................... 40 Drive System Maintenance .................................. 41 Checking the Tire Pressure............................... 41 Releasing the Electric Brake ............................. 41 Adjusting the Tracking ...................................... 41 Belt Maintenance ................................................ 42 Inspecting the Belts .............................
Safety This machine has been designed in accordance with EN ISO 5395. 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 or death. • 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. Decal 99-3943 is for models with 127 cm (50 inch) decks only. 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.
Decal 112-9840 is for models with 127 cm (50 inch) decks only. decal132-0872 132-0872 decal112-9840 112-9840 3. Remove the ignition key and read the instructions before servicing or performing maintenance. 1. Read the Operator's Manual. 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 deflector—do not operate the machine with an open deck; use a bagger or a deflector. 4.
decal139-2395 139-2395 1. Parking brake 4. Neutral 2. Fast 3. Slow 5. Reverse 6. Traction controls decal139-2397 139-2397 decal139-2388 139-2388 1. Slow 2. Hauling 3. Fast Decal 139-2391 is for models without an hour meter. decal139-2391 139-2391 1. Fast 2. Slow decal140-2748 140-2748 decal139-2394 139-2394 1. Traction controls 2. Fast 3. Slow 4. Neutral 5. Reverse 6.
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.
Product Overview g367815 Figure 4 1. Engine 4. Motion-control levers 7. Smart Speed™ lever 10. Rear drive wheel 2. Operator seat 5. Front caster wheel 8. Height-of-cut lever 11. Control panel 3. Fuel-tank cap 6. Deck-lift pedal (certain models only) 9. Deflector 12.
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 to engage the electric brake (Figure 24). Always position the motion-control levers into the PARK position when you stop the machine or leave it unattended. Control Panel MyRide® Adjustment Lever 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 4). Note: Determine the left and right sides of the machine from the normal operating position.
Adding Fuel Fuel Safety • Fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Recommended Fuel – To prevent a static charge from igniting the fuel, remove the machine from the truck or trailer and refuel it on the ground, away from all vehicles.
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.
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 8). g292102 Figure 9 1. MyRide adjustment lever 3. Firmer suspension 2. Softer suspension g027632 Adjusting the Motion-Control Levers Figure 8 Adjusting the MyRide® Suspension System Adjusting the Height You can adjust the motion-control levers higher or lower for maximum comfort (Figure 10).
Adjusting the Tilt Machines with 107 cm (42-inch) Mower Decks 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. Loosen the lower bolt just enough to pivot the control lever forward or rearward. 1. Park the machine on a level surface, disengage the blade-control switch, and move the motion-control levers outward to the PARK position. 2.
Machines with 127 cm (50-inch) Mower Decks 7. 1. Park the machine on a level surface, disengage the blade-control switch, and move the motion-control levers outward to the PARK position. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the mower deck; refer to Removing the Mower Deck (page 49). 4. Remove the 3 locknuts (5/16 inch) from the welded posts of the right baffle (Figure 13).
• Keep your hands and feet away from the cutting units. Keep clear of the discharge opening. • Do not mow with the discharge deflector raised, removed, or altered unless there is a grass-collection system or mulch kit in place and working properly. • Do not mow in reverse unless it is absolutely necessary. Always look down and behind you before moving the machine in reverse. • Use extreme care when approaching blind corners, shrubs, trees, or other objects that may block your view.
– Never operate on slopes greater than 15°. – Evaluate the site conditions of the day to determine if the slope is safe for machine operation. Use common sense and good judgment when performing this evaluation. Changes in the terrain, such as moisture, can quickly affect the operation of the machine on a slope. g229846 Figure 16 1. Wear hearing protection. • Identify hazards at the base of the slope. Do not operate the machine near drop-offs, ditches, embankments, water, or other hazards.
Operating the Mower Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) g229111 Figure 17 1. Safe Zone—use the machine here on slopes less than 15° or flat areas. 2. Danger Zone—use a walk-behind mower and/or a hand trimmer on slopes greater than 15° and near drop-offs or water. 4. W = Width of the machine g008945 Figure 18 5.
Operating the Throttle Starting the Engine You can move the throttle control between the FAST and SLOW positions (Figure 21). Note: A warm or hot engine may not require choking. Always use the FAST position when engaging the PTO. than 5 seconds at a time. Engaging the starter motor for more than 5 seconds can damage the starter motor. If the engine fails to start, wait 10 seconds before operating the engine starter again.
Driving the Machine Shutting Off the Engine 1. Disengage the blades by moving the blade-control switch to the OFF position. 2. Move the motion-control levers outward to the PARK position. 3. Move the throttle control to between the half and full throttle position. 4. Turn the key to the OFF position and remove the key. The drive wheels turn independently, powered by hydraulic motors on each axle.
Driving Backward To change speeds, do the following: Note: Always use caution when backing up and 1. Move the motion-control levers to neutral and outward to the PARK position. turning. 1. Move the levers to the center, unlocked position. 2. Disengage the blade-control switch. 2. To go backward, slowly pull the motion-control levers rearward (Figure 26). 3. Adjust the lever to the desired position. The following are only recommendations for use.
Using the Side Discharge Adjusting the Height of Cut The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. 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 28. 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 28).
Machines with 127 cm (50-inch) Mower Decks Adjusting the Anti-Scalp Rollers Whenever you change the height of cut, adjust the height of the anti-scalp rollers. Machines with 107 cm (42-inch) Mower Decks Note: Adjust the anti-scalp rollers so that the rollers do not touch the ground in normal, flat mowing areas. Whenever you change the height of cut, adjust the height of the anti-scalp rollers. 1.
Stopping the Machine Operating Tips If you must stop the forward motion of the machine while mowing, a clump of grass clippings may 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. Maximizing Air Circulation For best mowing and maximum air circulation, operate the engine at the FAST position.
Pushing the Machine by Hand After Operation After Operation 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. General Safety • Shut off the engine, remove the key, and wait 1. Park the machine on a level surface, disengage the blade-control switch, and move the motion-control levers outward to the PARK position. 2.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. Refer to your local ordinances for trailer and tie-down requirements.
1. If you are 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 32). 4. Back the machine up the ramp (Figure 33). g027995 Figure 33 1. Back the machine up the ramp. 5. Shut off the engine, remove the key, and move the motion-control levers outward to the PARK position. 6.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety • 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. – Disengage the drives. – Engage the parking brake. – Shut off the engine and remove the key.
Recommended Maintenance Schedule(s) Maintenance Service Interval Before each use or daily Maintenance Procedure • • • • Check the safety-interlock system. Check the engine-oil level. Inspect the blades. Inspect the grass deflector for damage. After each use • Clean grass and debris from the cutting unit, muffler, drives, grass catcher, and engine. • Clean the mower-deck housing. Every 25 hours • • • • Every 100 hours • Replace the air-cleaner foam element (more often in dusty, dirty conditions).
Pre-Maintenance Procedures Raising the Machine Use jackstands to support the machine when you raise it. Releasing the Mower-Deck Curtain WARNING Supporting the machine on the lower muffler shield (Figure 36) may damage the shield and cause the machine to fall, injuring you or bystanders. Loosen the 2 bottom bolts of the curtain to access the top of the mower deck (Figure 35). Do not use the lower muffler shield to lift or support the machine. g295619 Figure 35 1. Bottom bolt 2.
Lubrication Engine Maintenance Greasing the Bearings Engine Safety • Keep your hands, feet, face, other body parts, Service Interval: Every 25 hours—Grease the caster wheel bearings (more often in sandy soil conditions). • Grease Type: No. 2 lithium grease 1. and clothing 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.
5. Servicing the Paper Air-Cleaner Element Separate the foam and paper elements (Figure 39). Service Interval: Every 100 hours or yearly, whichever comes first—Replace the paper air-cleaner element (more often in dirty or dusty conditions). 1. Note: If it is very dirty, replace the paper g333887 element with a new one. Figure 39 1. Paper element 2. Foam element 2. Inspect the element for tears, an oily film, or damage to the rubber seal. 3. Replace the paper element if it is damaged.
Checking the Engine-Oil Level Changing the Engine Oil and Oil Filter Service Interval: Before each use or daily Service Interval: Every 100 hours or yearly, whichever comes first—Change the engine oil and oil filter (more often in dirty or dusty conditions). Note: Check the oil when the engine is cold. Important: If you overfill or underfill the engine crankcase with oil and run the engine, you may damage the engine. 1. 2. 3. 1.
g365790 Figure 44 7. g027477 Figure 43 6. 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 44). 36 Dispose of the used oil at a recycling center.
Servicing the Spark Plug Service Interval: Every 100 hours or yearly, whichever comes first—Check the spark plug(s). Every 200 hours/Every 2 years (whichever comes first)—Replace the spark plug(s). 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.
Fuel System Maintenance DANGER g365941 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 13) 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 cable from the negative terminal of • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. the battery before repairing the machine.
Charging the Battery Servicing the Fuses Service Interval: Before storage—Charge the battery and disconnect the battery cables. 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. 1. 2. Remove the battery from the chassis; refer to Removing the Battery (page 39). Fuse type: Charge the battery for a minimum of 1 hour at 6 to 10 A.
Drive System Maintenance Releasing the Electric Brake Checking the Tire Pressure You can manually release the electric brake by rotating the link arms forward. Once the electric brake is energized, the brake resets. Service Interval: Every 25 hours—Check tire pressure. 1. Turn the key to the the key. Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause an uneven cut. Check the pressure at the valve stem (Figure 52).
2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Belt Maintenance 3. Locate the tracking-adjustment bolt near the motion-control lever on the particular side that needs adjusting (Figure 54). Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or cracks. Note: Raise the seat for easier access to the adjustment bolt. 4. Replace the belt if it is worn.
g336421 Figure 56 3. Idler pulley 1. Wire form 2. Nut 7. 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 57 or Figure 58). g298026 Figure 58 Mower decks with 3 blades WARNING The spring is under tension when installed and can cause personal injury. 1. Idler pulley 4. Spring 2. Mower belt 5. Engine pulley 3. Outside pulley 6. Spring-removal tool 8.
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 59 • On multi-bladed machines, take care as rotating one blade can cause other blades to rotate. 1. Cutting edge 3. Wear/slot forming 2. Curved area 4.
g014973 g014973 Figure 61 Figure 63 1. Blade (in position for measuring) 1. Opposite blade edge (in position for measuring) 2. Level surface 3. Measured distance between blade and the surface (A) 2. Level surface 3. Second measured distance between blade and surface (B) 4. Rotate the same blade 180 degrees so that the opposing cutting edge is now in the same position (Figure 62). A.
Installing the Blades 1. Install the blade onto the spindle shaft (Figure 64). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. g027833 3. Curved washer 4. Blade bolt 3. Torque the blade bolt to 81 to 108 N∙m (60 to 80 ft-lb). Check to ensure that the mower deck is level any time you install the mower or when you see an uneven cut on your lawn.
3. Set the height of cut to 76 mm (3 inches). 4. Carefully rotate the blades so they are facing front to rear (Figure 69). 5. Measure from the tip of the front blade to the flat surface and the tip of the rear blade to the flat surface (Figure 69 or Figure 70). Note: If the front blade tip is not 1.6 to 7.9 mm (1/16 to 5/16 inch) lower than the rear blade tip, continue to the Adjusting the Front-to-Rear Blade Slope (page 49) procedure. g294044 Figure 67 Mower Decks with 2 Blades 1.
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. Set the height-of-cut lever to the 76 mm (3 inch) position; refer to Adjusting the Height of Cut (page 24). 4. Place 2 blocks, each having a thickness of 6.
3. To lower the front of the mower deck, 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 47). 5. When the front-to-rear blade slope is correct, check the side-to-side level of the mower deck again; refer to Leveling from Side to Side (page 48). g294195 Figure 74 Removing the Mower Deck 8.
6. 7. 6. Carefully lower the front of the mower deck to the ground. On 1 side of the machine, remove the washer and hairpin cotter from the deck pin (Figure 77). 7. 8. 9. 10. Install the lift arm using the washer and hairpin cotter (Figure 77). Repeat steps 5 and 6 for the other side of the machine. Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 76). Install the mower belt onto the engine pulley; refer to Replacing the Mower Belt (page 42).
3. Remove the damaged or worn grass deflector and the baffle. Cleaning 4. Install the new grass deflector and the baffle (Figure 78). 5. Slide the rod, straight end, through the rear grass deflector pivot and baffle. Washing the Underside of the Mower Deck 6. Place the spring on the rod, with end wires down, and between the grass deflector pivots. 7. Slide the rod through the baffle and second grass-deflector pivot(Figure 78). 8.
8. Turn the water off and remove the coupling from the washout fitting. Storage Note: If the mower is not clean after 1 washing, Storage Safety soak it and let it stand for 30 minutes. Then repeat the process. 9. • 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.
12. Storing the Battery Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: A. B. C. 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). Fully charge the battery. 2. Let the battery rest for 24 hours, then check the battery voltage. Note: If the battery voltage is below 12.6 V, repeat steps 1 and 2.
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:
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