Form No. 3375-775 Rev A TITAN MX4880, MX5480, and MX6080 Zero-Turn-Radius Riding Mower Model No. 74871—Serial No. 313000001 and Up Model No. 74872—Serial No. 313000001 and Up Model No. 74873—Serial No. 313000001 and Up g020432 Register at www.Toro.com.
Introduction This machine is a ride-on, rotary-blade lawnmower intended to be used by homeowners in residential applications. It is primarily designed for cutting grass on well-maintained lawns. It is not designed for cutting brush, mowing grass and other growth alongside highways, or for agricultural uses. Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely.
Contents This manual identifies potential hazards and has safety messages identified by the safety alert symbol (Figure 2), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions. Introduction .................................................................. 2 Safety ........................................................................... 4 Safe Operating Practices........................................... 4 Toro Riding Mower Safety ............
Safety Mower Deck Maintenance...........................................43 Servicing the Cutting Blades.....................................43 Mower Deck Leveling .............................................46 Inspecting the Belts ................................................47 Replacing the Mower Belt .......................................47 Removing the Mower..............................................49 Installing the Mower ...............................................
• Disengage blades when not mowing. Stop the engine, • • • • • • • • • Use extra care while operating machine with grass wait for all parts to come to a complete stop and remove the key before cleaning the machine, removing the grass catcher or unclogging the discharge chute. Operate the machine only in daylight or good artificial light. Do not operate the machine while under the influence of alcohol or drugs. Watch for traffic when operating near or crossing roadways.
without first installing this manufacturer approved hitch. The following guidelines apply when towing with the approved hitch kit installed. • Never interfere with the intended function of a safety • Tow only with a machine that has a hitch designed for • Keep machine free of grass, leaves, or other debris build device or reduce the protection provided by a safety device. Check their proper operation regularly. towing. Do not attach towed equipment except at the hitch point. up.
Slope Indicator G011841 Figure 3 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. Example of how to compare slope with folded edge.
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 lost. 93-7009 1. Warning—don't 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. 99-8936 1. Machine speed 4. Neutral 2. Fast 3. Slow 5. Reverse 107-3069 1.
110-6691 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Thrown object hazard, mower—do not operate without the deflector, discharge cover, or grass collection system in place. 3. Cutting/dismemberment of hand or foot—stay away from moving parts. 112-9840 1. Read the Operator's Manual. 115-9644 3. Remove the ignition key and read the instructions before servicing or performing maintenance. 1. Press the pedal and lift the height of cut lever to unlock the deck position. 2.
Battery Symbols Some or all of these symbols are on your battery 117–1158 1. Bypass lever position for operating the machine. 2. Bypass lever position for pushing the machine. 1. Explosion hazard 6. Keep bystanders a safe distance 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. Wear eye protection 8. Battery acid can cause blindness or severe burns. 9.
5-9630 1. Read the Operator's Manual before performing any maintenance. 2. Check the engine oil every 8 hours 4. Check the hydraulic oil every 25 hours 3. Check the drive wheel tire pressure every 25 hours 6. Lubricate the caster wheel every 25 hours 5.
0-5466 1. Warning—read the Operator's Manual. 5. Loss of traction/control hazard, slopes—loss of traction/control on a slope, disengage the blade control switch (PTO), proceed off the slope slowly. 2. Warning—read the instructions before servicing or performing maintenance; move the motion control levers to the park (brake) position, remove the ignition key and disconnect the spark plug wire. 6.
120-7113 1. Fuel 2. Full 3. Half 13 4.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description 1 2 3 Use Qty. No parts required – Connect the battery. No parts required – Check the mower adjustment. Ignition Key Hose coupling Operator's Manual Engine Operator's Manual Operator Training Material 1 1 1 1 1 Complete the Setup. 1 2 Connecting the Battery Checking the Mower Adjustment No Parts Required No Parts Required Procedure Procedure 1.
3 Completing the Setup Parts needed for this procedure: 1 Ignition Key 1 Hose coupling 1 Operator's Manual 1 Engine Operator's Manual 1 Operator Training Material Procedure Setting Up the Motion Control Levers If needed, remove the upper bolt, washer and nut and raise the motion control levers to the upright position. Secure the motion control levers. Refer to Adjusting the Motion Control Levers in the Operation Section.
Product Overview 2 3 4 1 5 6 10 G015763 9 7 8 Figure 5 1. Drive wheel 2. Operator seat 4. Motion control levers 5. Parking brake 7. Front caster wheel 8. Anti-scalp roller 3. Roll over protection system (ROPS) 6. Footrest 9. Foot pedal deck lift and height-of-cut 10. Deflector 3 G014766 1 4 2 Figure 6 1. Mower Deck 3. Engine 2. Drive wheel 4.
Controls Fuel Gauge Become familiar with all the controls before you start the engine and operate the machine (Figure 7). The fuel window located below the operator position can be used to verify the level of gasoline in the tank (Figure 8). 1 2 1 3 g020264 5 Figure 8 4 1. Fuel gauge window g017722 Figure 7 1. Throttle control 4. Ignition switch 2. Choke 5. Blade control switch (PTO) Motion Control Levers The motion control levers are speed sensitive controls of independent wheel motors.
Using the Rollover Protection System (ROPS) Operation Note: Determine the left and right sides of the machine from the normal operating position. WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised locked position and use the seat belt. Think Safety First Please carefully read all of the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury.
G015035 DANGER 2 1 In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. 2 • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any gasoline that spills. 3 Figure 11 1. Hole in ROPS • Never fill the fuel tank inside an enclosed trailer. 3. Hair pin cotter 2. Locking pin • Do not fill the fuel tank completely full.
tank allows the fuel to expand. Overfilling may result in fuel leakage or damage to the engine or emission system. WARNING Gasoline is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness. 1. Clean around the fuel tank cap and remove the cap. Note: You can use the fuel window below the operating position verify the presence of gasoline before filling the tank (Figure 12). • Avoid prolonged breathing of vapors.
Setting the Parking Brake 1 2 1 G020305 Figure 14 Releasing the Parking Brake 2 1 2 G008959 Figure 17 1. On 2. Off Operating the Ignition Switch G020306 Figure 15 1. Turn the ignition key to the Start position (Figure 18). When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor.
Starting and Stopping the Engine Note: If the fuel system was depleted of fuel—add fuel to the machine and use additional starting cycles when starting the engine. Starting the Engine 1. Sit down on the seat (Figure 19) and fasten the seat belt. 2. Move the motion controls outward to the neutral lock position (Figure 19). 3. Set the parking brake (Figure 19); refer to Setting the Parking Brake. ST A RT N RU P ST O 4. Move the blade control switch (PTO) to the Off position (Figure 19).
3 Disengaging the Blade Control Switch (PTO) 2 1 00:60 Sec 4 G009174 Figure 23 T AR ST N RU O ST The Safety Interlock System P WARNING 5 If 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.
Using the Motion Control Levers 3. While sitting on the seat, engage the parking brake, move the blade control switch to Off, and lock the motion control levers in neutral. Start the engine. While the engine is running, release the parking brake, engage the blade control switch, and rise slightly from the seat; the engine should stop. 4. While sitting on the seat, engage the parking brake, move the blade control switch to Off, and lock the motion control levers in neutral. Start the engine.
Stopping the Machine To stop the machine, move the traction control levers to neutral and move to locked position, disengage the blade control switch (PTO), and turn the ignition key to off. Set the parking brake when you leave the machine; refer to Operating the Parking Brake (page 20). Remember to remove the key from the ignition switch (Figure 21). CAUTION Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended.
1 5 4 3 2 G010236 Figure 28 G010219 Figure 27 Transport Lock Position 1. Deck lift pedal 4. Lock position. lowest height-of-cut (use only for deck removal) 2. Cut height pin 5. Lock position. transport position 3. Height-of-cut positions Adjusting the Height-of-Cut Using the Lock Positions The height-of-cut can be adjusted from 1-1/2 to 4-1/2 inch (38 to 114 mm) in 1/4 inch (6 mm) increments by relocating the height-of-cut pin into different hole locations.
Adjusting the Anti-Scalp Rollers 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. Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. To adjust, move the lever sideways to unlock seat (Figure 30). 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral lock position and set the parking brake. 2.
1 Adjusting the Tilt 2 3 4 The motion control levers can be tilted forward or backward for maximum operator comfort. 5 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 backward. G015764 3. Tighten both bolts to secure the control in the new position. Figure 31 1. Control arm shaft 2. Control lever 3. Slotted, upper hole 4. Washer 5. Bolt 4. Repeat the adjustment for the opposite control lever.
1 Using the Side Discharge 2 The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER 3 Without a grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death. 4 • Never remove the grass deflector from the mower because the grass deflector routes material down toward the turf.
Operating Tips cutting height higher than usual and cut the grass at this setting. Then cut the grass again using the lower, normal setting. Fast Throttle Setting When Stopping For best mowing and maximum air circulation, operate the engine at the fast throttle 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 by uncut grass.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. After the first 50 hours • Change the hydraulic system filter and oil. Before each use or daily • • • • • Check the safety interlock system. Check the engine oil level. Clean the air intake screen. Check the mower blades. Inspect the grass deflector for damage After each use • Clean the mower housing. Every 25 hours • Grease all lubrication points.
Figure 33 Located on the seat pan underside 1. Read the Operator's Manual before performing any maintenance. 2. Check the engine oil every 8 hours 4. Check the hydraulic oil every 25 hours 3. Check the drive wheel tire pressure every 25 hours 6. Lubricate the caster wheel every 25 hours 5.
Premaintenance Procedures Lubrication Raising the Seat Service Interval: Every 25 hours—Grease all lubrication points. Greasing the Bearings Make sure the motion control levers are the neutral lock position and parking brake is set. Lift and hold the lever behind the seat forward to disengage the seat latch and then lift the seat forward. Grease Type: No. 2 General Purpose Lithium Base Grease 1. Park the machine on a level surface and disengage the blade control switch. 2.
Engine Maintenance Cleaning the Element Service Interval: Every 100 hours—Service the paper element. (more often in dusty, dirty conditions) Every 200 hours/Yearly (whichever comes first)—Replace the paper element. (more often in dusty, dirty conditions) 1. Lightly tap the element on a flat surface to remove dust and dirt. 2. Inspect the element for tears, an oily film, and damage to the seal. WARNING Contact with hot surfaces may cause personal injury.
2. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. engine with oil below the low mark because the engine may be damaged. 1. Park the machine on a level surface, disengage the blade control switch, stop the engine, engage parking brake, and remove the key. 2. Make sure the engine is stopped, level, and is cool so the oil has had time to drain into the sump. 3. To keep dirt, grass clippings, etc.
4. 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). 1 3 1 2 3 4 2 4 5 5 6 6 3/4 G008796 Figure 39 G008748 Figure 40 Changing the Engine Oil Filter Note: Ensure the oil filter gasket touches the engine and then an extra 3/4 turn is completed. Service Interval: Every 200 hours—Change the oil filter. (more often in dusty, dirty conditions) 3.
Removing the Spark Plug Installing the Spark Plug 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. Tighten the spark plug(s) to 16 ft-lb (22 N-m). 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 16 ft-lb 22 N-m Figure 41 Note: Blowing out the cavity with compressed air is usually the most effective method for cleaning.
Fuel System Maintenance 1 2 DANGER 3 In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. • Perform any fuel related maintenance when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. • Never smoke when draining gasoline, and stay away from an open flame or where a spark may ignite the gasoline fumes. G008963 Figure 45 1. Fuel filter 2.
Electrical System Maintenance 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral lock position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Servicing the Battery 3. Remove the wing nut securing the battery clamp (Figure 46).
Charging the Battery 3. Install a new fuse having the same amperage as the fuse that you removed (Figure 48). WARNING 1 3 2 25 30 Charging the battery produces gasses that can explode. Never smoke near the battery, and keep sparks and flames away from battery. Important: Always keep the battery fully charged. This is especially important to prevent battery damage when the temperature is below 0°C (32°F). 4 1. Charge the battery for 10 to 15 minutes at 25 to 30 amps or 30 minutes at 10 amps. 2.
Drive System Maintenance Hydraulic System Maintenance Oil Type: 20w-50 engine oil. Checking the Tire Pressure System Capacity: approximately 4.495 liter (152 oz) with a filter change. Service Interval: Every 25 hours—Check tire pressure. Important: Use oil specified or equivalent. Other fluids could cause system damage. Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem (Figure 49).
Removing Hydraulic System Filters 1. Stop engine, wait for all moving parts to stop, and allow engine to cool. 1 2 3 4 2. Remove the key and engage the parking brake. 3. Locate the filter and guards on each transaxle drive system (Figure 51). 4. Remove three screws securing the filter guard and guard. 5 G010254 1 5 2 6 3 3/4 4 Figure 51 Right side shown 1. Transaxle drive 2. Oil filter G008748 Figure 52 4. Screws 5. Vent plug 1.
Mower Deck Maintenance Important: Failure to perform the Bleeding the Hydraulic System procedure after changing hydraulic filters and oil may result in irreparable damage to the transaxle drive system. Servicing the Cutting Blades Bleeding the Hydraulic System 1. Raise the rear of machine up and support with jack stands (or equivalent support) just high enough to allow drive wheels to turn freely.
3. Measure from the tip of the blade to the flat surface here. 1 Figure 54 1. Cutting Edge 3. Wear/slot Forming 2. Curved Area 4. Crack G014973 3 2 Figure 56 Checking for Bent Blades 1. Blade, in position for measuring Note: The machine must be on a level surface for the following procedure. 2. Level surface 3. Measured distance between blade and surface (A) 1. Raise the mower deck to the highest height-of-cut position; also considered the 'transport' position. 4.
1 G014973 3 2 1 Figure 58 2 3 1. Opposing blade edge, in position for measuring 4 2. Level surface 3. Second measured distance between blade and surface (B) G010341 Figure 59 WARNING 1. Sail Area of Blade 2. Blade A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. Sharpening the Blades • Always replace a bent or damaged blade with a new blade. WARNING • Never file or create sharp notches in the edges or surfaces of the blade.
Figure 61 1. Blade 2. Balancer Installing the Blades 1. Install the blade onto the spindle shaft (Figure 59). Figure 62 Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 1. Blades side to side 2. Install the spring disk and blade bolt (rotating it clockwise). 3. Measure from the tip of the blade to the flat surface here 2. Outside cutting edges Note: The spring disk cone must be installed toward the bolt head (Figure 59).
Note: Make sure that the deck hangers are all the way down (at the top of the slot) and the deck lift foot lever is pushed back against the stop (Figure 65). 6. Tighten the four leveling adjust locking nuts (Figure 65). 1 1 2 3 2 3 4 Figure 63 1. Blades front to rear 4 3. Measure from the tip of the blade to the flat surface here 2. Outside cutting edges Leveling the Mower Deck 1. Set anti-scalp rollers to top holes or remove completely for this procedure. G010321 Figure 65 2.
Removing the Mower Belt 2 Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions is evident. 1 3 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position and set the parking brake. 4 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
1 2 2 3 1 3 G010309 Figure 69 1. Hair pin cotter 3. Washer 2. Link bar G015790 Figure 68 2. Remove the hardware from the front and rear deck hangers on both sides of the deck (Figure 70). 1. Position the belt cover and 3. Tighten the screws ensure the tabs seat 2. Pivot the belt cover down 1 2 1 Removing the Mower 3 2 Park the machine on a level surface and disengage the blade control switch.
Installing the Mower 1. Park the machine on a level surface and disengage the blade control switch. 1 2. Move the motion control levers outward to the neutral lock position, stop the engine, remove the key, set the parking brake and wait for all moving parts to stop before leaving the operating position. 2 3. Slide the mower under the machine. 4. Lower the height-of-cut lever to the lowest position. 4 5. Place the height-of-cut pin in the lock position for lowest height-of-cut. 3 6.
Cleaning 2 Washing the Underside of the Mower Service Interval: After each use—Clean the mower housing. 1 3 Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal. 1. Park the machine on a level surface and disengage the blade control switch. 2. Move the motion control levers outward to the neutral lock position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
Storage Note: If the mower is not clean after one washing, soak it and let it stand for 30 minutes. Then repeat the process. Cleaning and Storage 8. Run the mower again for 1 to 3 minutes to remove excess water. 1. Disengage the blade control switch (PTO), set the parking brake, and turn the ignition key to Off. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system.
D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. Important: Do not store stabilizer/conditioned fuel over 90 days. 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 14. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 15. Store the machine in a clean, dry garage or storage area.
Troubleshooting Problem The starter does not crank. The engine will not start, starts hard, or fails to keep running. Possible Cause 1. Blade control switch (PTO) is engaged. 1. Move blade control switch (PTO) to disengaged. 2. Parking brake is not on. 3. Drive levers are not in neutral lock position. 4. Operator is not seated. 5. Battery is dead. 6. Electrical connections are corroded or loose. 7. Fuse is blown. 8. Relay or switch is defective. 2. Set the parking brake. 3.
Problem The machine does not drive. The machine vibrates abnormally. The machine cutting height is uneven. Possible Cause 1. By pass valves is not closed tight. 1. Tighten the by pass valves. 2. 3. 4. 5. 2. 3. 4. 5. Pump belt is worn, loose or broken. Pump belt is off a pulley. Broken or missing idler spring. Hydraulic oil level is low or too hot. Change the belt. Change the belt. Replace the spring. Add hydraulic oil to reservoirs or let it cool down. 1. Cutting blade(s) is/are bent or unbalanced.
Schematics G014723 Wire Diagram (Rev.
Notes: 57
Notes: 58
Notes: 59
The Toro Total Coverage Warranty TimeCutter and TITAN Mowers Limited Warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
