Form No. 3412-974 Rev A TimeCutter® MX 4250, MX5050, MX 6050, or SS 5425 Riding Mower Model No. Model No. Model No. Model No. Register at www.Toro.com. Original Instructions (EN) 74741—Serial No. 74760—Serial No. 74771—Serial No. 74777—Serial No.
WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Contents Model No. Safety ........................................................................... 4 General Safety......................................................... 4 Slope Indicator ....................................................... 5 Safety and Instructional Decals ................................. 6 Product Overview .........................................................14 Controls ...............................................................14 Before Operation .....................
Safety Drive System Maintenance .........................................40 Checking the Tire Pressure ......................................40 Releasing the Electric Brake .....................................41 Mower Maintenance ...................................................41 Servicing the Cutting Blades.....................................41 Leveling the Mower Deck ........................................43 Removing the Mower Deck .....................................45 Installing the Mower ......
Slope Indicator G011841 g011841 Figure 4 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. 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. decal93-7009 93-7009 1. Warning—do not operate the mower with the deflector up or removed; keep the deflector in place. 2. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. decal136-5596 136-5596 For Models with 60-inch Decks 1.
decal112-9840 112-9840 1. Read the Operator's Manual. 3. Remove the ignition key and read the instructions before servicing or performing maintenance. 2. Height of cut decal119-8870 119-8870 For Models with 50-inch, 54-inch, or 60-inch Mower Decks 1. Height of cut decal119-8814 119-8814 1. Parking position 4. Neutral 2. Fast 3. Slow 5. Reverse decal119-8815 119-8815 1. Parking position 4. Neutral 2. Fast 3. Slow 5. Reverse decal119-8871 119-8871 For Models with 42-inch Mower Decks 1.
decal131-1097 131-1097 1. Oil drain decal121-2989b 121-2989 1. Bypass lever position for pushing the machine 2. Bypass lever position for operating the machine decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decal132-0872 132-0872 decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders a safe distance away from the battery. 2.
decal121-0772 121-0772 For Models with 42-inch, 50-inch, or 60-inch Mower Decks 1. Fast 2. Continuous-variable setting 4. Choke 5. Power takeoff (PTO), Blade-control switch 3.
decal121-0773 121-0773 Models with 54-inch Mower Deck 1. Fast 2. Continuous-variable setting 4. Choke 5. Power take-off (PTO), blade-control switch 3.
decal131-3947 131-3947 1. Trim—slow 2. Tow—medium 3.
decal132-0869 132-0869 For Models with 42-inch, 50-inch, or 54-inch Mower Decks—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 and the conditions in which the machine is being operated to determine whether the machine can be operated in the conditions on that day and at that site.
decal133-9255 133-9255 Models with 60-inch Mower Deck—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 and the conditions in which the machine is being operated to determine whether the machine can be operated in the conditions on that day and at that site.
Product Overview 5 3 6 9 10 7 2 1 11 8 g028166 2 12 4 g028166 Figure 5 1. Deflector 4. Height-of-cut lever 7. Footrest 10. Engine 2. Rear drive wheel 5. Operator seat 8. Fuel-tank cap 11. Engine guard 3. Motion-control levers 6. Smart Speed™ lever 9. Control panel 12. Front caster wheel Controls Ignition Switch Become familiar with all of the controls in Figure 5 and Figure 6 before you start the engine and operate the machine. Use this switch to start the mower engine.
Motion-Control Levers Height-of-Cut Lever Use the motion-control levers to drive the machine forward, reverse, and turn either direction. 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).
Operation then refuel from a portable container rather than a fuel-dispenser nozzle. • Do not operate the machine without the entire exhaust Note: Determine the left and right sides of the machine from the normal operating position. system in place and in proper working condition. • Keep the fuel-dispenser nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device.
Using Stabilizer/Conditioner Checking the Engine-Oil Level Use a fuel stabilizer/conditioner in the machine to provide the following benefits: Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 17).
Using 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. g000513 Understanding the Safety-Interlock System Figure 10 1. Safe Zone—use the machine here on slopes less than 15 degrees or flat areas. 2.
Positioning the Seat Adjusting the Tilt The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable (Figure 12). 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 (Figure 13). 3. Tighten both bolts to secure the control lever in the new position. 4.
During Operation – Disengage the power take-off and lower the attachments. During Operation Safety – Engage the parking brake. – Shut off the engine and remove the key. – Wait for all moving parts to stop. General Safety • Do not operate the machine when there is the risk of • The owner/operator can prevent and is responsible for lightning. accidents that may cause personal injury or property damage. • Do not use the machine as a towing vehicle.
Operating the Mower Blade-Control Switch (PTO) Operating the Throttle You can move the throttle control between the FAST and SLOW positions (Figure 17). The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Always use the FAST position when turning on the mower deck with the blade-control switch (PTO).
Operating the Ignition Switch Starting and Shutting Off the Engine 1. Turn the ignition key to the START position (Figure 19). Note: When the engine starts, release the key. Starting the Engine Important: Do not engage the starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow these instructions can burn out the starter motor. Note: A warm or hot engine may not require choking.
Driving Forward Using the Motion-Control Levers Note: Always use caution when backing up and turning. 1. Move the levers to the center, unlocked position. 2. To go forward, slowly push the motion-control levers forward (Figure 22). G008952 g008952 Figure 22 g004532 Figure 21 1. Motion-control lever—PARK position 4. Backward 2. Center, unlocked position 5. Front of machine Driving Backward 1. Move the levers to the center, unlocked position. 2.
Using the Smart SpeedTM Control System Tow This is the medium speed. The suggested uses for this speed are as follows: TM The Smart Speed Control-System lever, located below the operating position (Figure 24), gives the operator a choice to drive the machine at 3 ground speed ranges—trim, tow, and mow. • Bagging • Mulching Mow This is the fastest speed.
Adjusting the Height of Cut 4 Note: The transport position is the highest height-of-cut position at 115 mm (4-1/2 inches) as shown in Figure 25. G010233 3 1 2 g010233 Figure 26 1. Anti-scalp roller 3. Flange nut 2. Bolt 4. Hole spacing Machines with a 60-inch Deck Only Whenever you change the height of cut, it is recommended to adjust the height of the anti-scalp rollers. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the PARK position, and engage the parking brake.
Using the Side Discharge Mowing at Correct Intervals The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Grass grows at different rates at different times of the year. To maintain the same cutting height, mow more often in early spring. As the grass growth rate slows in mid summer, mow less frequently. If you cannot mow for an extended period, first mow at a high cutting height, then mow again 2 days later at a lower height setting.
After Operation 3 After Operation Safety General Safety • Clean grass and debris from the cutting units, mufflers, • • • • • • • and engine compartment to help prevent fires. Clean up oil or fuel spills. Shut off the fuel before storing or transporting the machine. Disengage the drive to the attachment whenever you are transporting or not using the machine. Use full-width ramps for loading the machine into a trailer or truck. Tie the machine down securely using straps, chains, cable, or ropes.
4. Shut off the engine, remove the key, set the brake, and close the fuel valve. WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death (Figure 31). 5. Tie down the machine near the front caster wheels and the rear bumper (Figure 29). • 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.
1 2 6 g027996 5 g027996 Figure 31 1. Full-width ramp in stowed position 4. Ramp is at least 4 times as long as the height of the trailer or truck bed to the ground 2. Side view of full-width ramp in loading position 5. H=height of the trailer or truck bed to the ground 3. Not greater than 15 degrees 6.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 5 hours • Change the engine oil. Before each use or daily • • • • • • Check the safety-interlock system. Check the air cleaner for dirty, loose, or damaged parts. Check the engine-oil level. Clean the air intake screen. Inspect the blades. Inspect the grass deflector for damage.
Pre-Maintenance Procedures Raising the Seat Make sure that the motion-control levers are locked in the PARK position. Lift the seat forward. You can access the following components by raising the seat: Maintenance and Storage • Serial plate • Before repairing the machine do the following: • Service decal – Disengage the drives. • Fuel filter – Engage the parking brake. • Battery and battery cables – Shut off the engine and remove the key. – Disconnect the spark-plug wire.
Lubrication Engine Maintenance Greasing the Bearings Engine Safety Machines with 42-inch, 50-inch, or 54-inch Mower Decks Only Shut off the engine before checking the oil or adding oil to the crankcase. Service Interval: Every 25 hours—Grease all lubrication points (42-inch or 50-inch decks only). Servicing the Air Cleaner Grease Type: No. 2 lithium grease Service Interval: Before each use or daily 1. Park the machine on a level surface and disengage the blade-control switch.
Servicing the Engine Oil 5. Remove the foam element from the paper element (Figure 35). Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: with filter—2.4 L (2.5 US qt) Viscosity: See the table below. SAE 30 SAE 5W -30, 10W -30 g027802 g027802 SYNTHETIC 5W -20, 5W -30, 10W -30 Figure 35 Servicing the Foam Element g029683 Service Interval: Every 25 hours/Monthly (whichever comes first)—Clean the air-cleaner foam element (more often in dusty, dirty conditions).
A Changing the Engine Oil and Oil Filter B Service Interval: After the first 5 hours/After the first month (whichever comes first)—Change the engine oil. Every 100 hours/Yearly (whichever comes first)—Change the engine oil (more often in dusty, dirty conditions). C D E Every 100 hours/Yearly (whichever comes first)—Change the oil filter (more often in dusty, dirty conditions). Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy.
5. Change the engine-oil filter (Figure 39). Note: Ensure that the oil-filter gasket touches the engine and then turn the filter an extra 3/4 turn. A B C D E F g027799 g027799 A B C D E 3/4 g027477 g027477 Figure 39 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 40).
A Removing the Spark Plug B 1. Disengage the PTO and move the motion-control levers 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. C D E F A B g027478 g027478 Figure 41 Note: Due to the deep recess around the spark plug, blowing out the cavity with compressed air is the most effective method for cleaning. The spark plug is most accessible when the blower housing is removed for cleaning.
Installing the Spark Plug Fuel System Maintenance Tighten the spark plug(s) to 25 to 30 N∙m (18.5 to 22.1 ft-lb). B A DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you, others, and can damage property. C 25-30 N-m 18.5-22.1 ft-lb • Perform any fuel-related maintenance when the engine is cold. Do this outdoors in an open area. Wipe up any fuel that spills.
Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. g027939 g027939 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. Unplug the charger before connecting or disconnecting the battery. Wear protective clothing and use insulated tools.
Charging the Battery WARNING Service Interval: Before storage—Charge the battery and disconnect the battery cables. Incorrect battery-cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 1. Remove the battery from the chassis; refer to Removing the Battery (page 38). • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. 2.
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. Fuse type: Checking the Tire Pressure • Main—F1 (30 A, blade-type) Service Interval: Every 25 hours—Check tire pressure. • Charge Circuit—F2 (25 A, blade-type) Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut.
Releasing the Electric Brake Mower Maintenance You can manually release the electric brake by rotating the link arms forward. Once the electric brake is energized, the brake resets. Servicing the Cutting Blades 1. Turn the ignition key to the OFF position or disconnect the battery. To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand. 2.
Checking for Bent Blades Note: The machine must be on a level surface for the following procedure. 3 1. Raise the mower deck to the highest height-of-cut position. 2. While wearing thickly padded gloves, or other adequate hand protection, slowly rotate the blade to be measure into a position that allows effective measurement of the distance between the cutting edge and the level surface the machine is on (Figure 51). 2 1 G014974 g014974 Figure 53 1. Blade (side previously measured) 2.
Removing the Blades Replace the blades if they hit a solid object, or if the blade is out of balance or bent. g000553 1. Hold the blade end using a rag or thickly padded glove. Figure 57 2. Remove the blade bolt, curved washer, and blade from the spindle shaft (Figure 55). 1. Blade 2. Balancer 3. Repeat this procedure until the blade is balanced. Installing the Blades 1. Install the blade onto the spindle shaft (Figure 55).
1 2 G009682 3 3 2 4 4 g009682 Figure 58 Mower Decks with 2 Blades g027588 1. Blades side to side 3. Outside cutting edges 2. Sail area of blade 4. Measure from the tip of the blade to the flat surface here Figure 60 1. Hanger bracket G005278 2 9. Check the side-to-side adjustments again. Repeat this procedure until the measurements are correct. 10. Continue leveling the mower deck by checking the front-to-rear blade slope; refer to Adjusting the Front-to-Rear Blade Slope (page 44).
2 1 G009658 2 g009658 3 Figure 61 Mower Decks with 2 Blades 1 1. Blades front to rear 2. Measure from the tip of the blade to the flat surface here 2 G014634 g014634 3 Figure 63 1. Adjusting rod 2 3. Locknut 2. Adjusting block 1 7. For 60-inch mower decks, adjust the front-to-rear blade slope as follows: 2 A. Loosen the adjustment nut on the left adjusting rod (Figure 62). 3 G009659 g009659 Figure 62 Mower Decks with 3 Blades 1. Blades front to rear 3.
2 2 3 3 1 2 1 G005077 g005077 Figure 66 1. Mower deck 2. Hanger bracket G014635 3. Rear lift rod g014635 Figure 64 1. Front support rod 8. Slide the mower deck rearward to remove the mower belt from the engine pulley. 3. Deck bracket 2. Locking nut 9. Slide the mower deck out from underneath the machine. 5. Carefully lower the front of the mower deck to the ground. Note: Retain all parts for future installation. 6. For 60-inch decks, remove the 2 deck-lift springs (Figure 64).
Replacing the Grass Deflector Machines with 42-inch, 50-inch, or 60-inch Mower Decks Only Service Interval: Before each use or daily—Inspect the grass deflector for damage. WARNING 3 An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or bystander's direction and result in serious injury. Also, contact with the blade could occur. Never operate the machine without the grass deflector, the discharge cover, or the grass-collection system in place.
Inspect the grass deflector for damage before each use. Replace any damaged parts before use. 2 1. Remove the nut (3/8 inch) from the rod under the mower (Figure 69). 3 4 1 5 3 6 2 7 1 4 G005192 g017618 g005192 Figure 69 g017618 Figure 68 1. Rod and spring assembly installed 2. Loop end of the spring installed into the notch in the deflector bracket 3. Rod, short end, moved behind mower bracket 4. Short end, retained by mower bracket. 1. Mower deck 5. Spring 2. Grass deflector 6.
Mower Belt Maintenance 2 7 3 1 5 Inspecting the Belts 7 Service Interval: Every 25 hours—Check the belts for wear or cracks. Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts. Replacing the Mower Belt 3 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. Replace the mower belt if any of these conditions are evident. 1.
7 3 2 Cleaning 5 1 3 7 Washing the Underside of the Mower Service Interval: After each use—Clean the mower-deck housing. Important: You can wash the machine with a mild detergent and water. Do not pressure wash the machine. Avoid excessive use of water, especially near the control panel, under the seat, around the engine, hydraulic pumps, and motors. Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal. 1.
Storage 8. Turn the water off and remove the coupling from the washout fitting. Cleaning and Storage Note: If the mower is not clean after 1 washing, soak it and let it stand for 30 minutes. Then, repeat the process. 1. Disengage the blade-control switch, move the motion-control levers outward to the PARK position, shut off the engine, and remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
Use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). 11. Clean any dirt and chaff from the top of the mower. 12. Scrape any heavy buildup of grass and dirt from the underside of the mower, then wash the mower with a garden hose. 13. Check the condition of the drive and mower belts. 14. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is worn or damaged. 15.
Troubleshooting Problem The engine overheats. Possible Cause 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. Remove the obstruction from the cooling fins and air passages. 5. Dirt, water, or stale fuel is in the fuel system. The starter does not crank.
Problem There is an abnormal vibration. The cutting height is uneven. Possible Cause 1. The engine-mounting bolts are loose. 1. Tighten the engine-mounting bolts. 2. The engine pulley, idler pulley, or blade pulley is loose. 3. The engine pulley is damaged. 4. The cutting blade(s) is/are bent or unbalanced. 5. A blade-mounting bolt is loose. 6. A blade spindle is bent. 2. Tighten the appropriate pulley. 5. Tighten the blade-mounting bolt. 6. Contact an Authorized Service Dealer. 1.
Schematics g028022 Electrical Diagram (Rev.
TimeCutter The Toro Warranty Limited Warranty (see warranty periods below) Conditions and Products Covered 3. If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at: The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship.
