Related Manuals for Toro 74950
Summary of Contents for Toro 74950
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Page 1: Side Discharge
Form No. 3399-263 Rev A Z Master ® Professional 3000 Series Riding Mower with 60in TURBO FORCE ® Side Discharge Mower Model No. 74950—Serial No. 316000001 and Up *3399-263* A Register at www.Toro.com. Original Instructions (EN) - Page 2 Note emphasizes general information worthy of special product properly and safely. attention. You may contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional...
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Page 3: Table Of Contents
Safety ................4 Checking the Wheel-Hub Slotted Nut .......44 Safe Operating Practices........... 4 Adjusting the Caster-Pivot Bearing......44 Toro Mower Safety ..........6 Using the Clutch Shim ..........44 Slope Indicator ............7 Cooling System Maintenance ........46 Safety and Instructional Decals ......... 8 Cleaning the Engine Screen and Engine-Oil Product Overview ............14... -
Page 4: Safety
Operation Safety • Lightning can cause severe injury or death. If lightning is seen, or thunder is heard in the area, do not operate Improper use or maintenance of the machine can result the machine; seek shelter. in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the •... -
Page 5: Maintenance And Storage
Safe Handling of Fuels servicing them. Only replace blades; do not straighten or weld them. • To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely • Keep hands and feet away from moving parts. If possible, flammable and the vapors are explosive. -
Page 6: Toro Mower Safety
• Do not store the machine or a fuel container inside where The following list contains safety information specific to Toro there is an open flame, such as near a water heater or products and other safety information that you must know. -
Page 7: Slope Indicator
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°. 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°. Fold along the appropriate line to match the recommended slope. -
Page 8: Safety And Instructional Decals
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. 58-6520 1. Grease 106-2655 1. Warning-do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance. - Page 9 110-2068 1. Read the Operator's Manual. 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 114-4466 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat 1.
- Page 10 116-1716 117-3848 1. Fuel 6. Hour meter 2. Empty 7. PTO 1. Thrown object hazard—keep bystanders a safe distance 3. Half 8. Parking brake from the machine 2. Thrown object hazard, mower-do not operate without the 4. Full 9. Neutral deflector, discharge cover or grass collection system in 5.
- Page 11 126-4398 1. Read the Operator’s 3. Unlock Manual 2. Lock 121-7551 1. Power Take-off (PTO) 4. Continuous variable setting 2. Choke 5. Slow 3. Fast 127-0326 1. Read the Operator's 3. Remove the key from Manual. the ignition and read the Operator's Manual before performing maintenance 126-2055...
- Page 12 Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2.
- Page 13 132–0871 1. Warning—read the Operator’s Manual; do not operate this 4. Ramp hazard—when loading onto a trailer, do not use dual vehicle unless you are trained; wear hearing protection. ramps; only use a singular ramp wide enough for the machine and that has an incline less than 15 degrees;...
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Page 14: Product Overview
Fuel Gauge Product Overview The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is on (Figure The indicator light appears when the fuel level is low—approximately 3.8 L (1 US gallon) remaining in the fuel tank. -
Page 15: Specifications
Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. To best protect your investment and maintain optimal performance of your Toro equipment, count on Toro genuine parts. -
Page 16: Operation
Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can cause a spark which can ignite the from the normal operating position. gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. -
Page 17: Checking The Engine-Oil Level
Filling the Fuel Tank Checking the Engine-Oil Level Note: Do not fill the fuel tank completely full. Fill the fuel Before you start the engine and use the machine, check the oil tank to the bottom of the filler neck. The empty space in the level in the engine crankcase;... -
Page 18: Think Safety First
DANGER Operating the machine on wet grass or steep slopes can cause sliding and loss of control. • Do not operate on slopes greater than 15 degrees. • Reduce speed and use extreme caution on slopes. • Do not operate the machine near water. DANGER Wheels dropping over edges can cause rollovers, which may result in serious injury, death, or... -
Page 19: Operating The Parking Brake
Releasing the Parking Brake CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Wear hearing protection when operating this machine. The use of protective equipment for eyes, ears, hands, feet, and head is recommended. -
Page 20: Operating The Throttle
Operating the Throttle Operating the Ignition Switch 1. Turn the ignition key to the S position (Figure TART You can move the throttle control can be moved between 17). When the engine starts, release the key. and S positions (Figure 15). -
Page 21: Starting And Stopping The Engine
Starting and Stopping the Engine Starting the Engine 1. Raise the ROPS up and lock into place, sit on the seat, and fasten the seat belt. 2. Move the motion controls to the N EUTRAL LOCK position. G008947 Figure 20 3. -
Page 22: Using The Safety-Interlock System
Testing the Safety-Interlock System Important: Make sure that the fuel shutoff valve is closed before transporting or storing the machine, as Service Interval: Before each use or daily fuel leakage may occur. Set the parking brake before transporting. Make sure to remove the key as the fuel Test the safety-interlock system before you use the machine pump may run and cause the battery to lose charge. - Page 23 Using the Motion-Control levers G008952 Figure 24 Driving Backward Figure 23 1. Motion-control 4. Backward 1. Move the levers to the center, unlocked position. lever—N EUTRAL LOCK 2. To go backward, slowly pull the motion-control levers position rearward (Figure 25). 2.
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Page 24: Stopping The Machine
Stopping the Machine To stop the machine, move the traction-control levers to , and then move them to the L position, EUTRAL OCKED disengage the power takeoff (blade-control switch (PTO), and turn the key in the ignition switch to the O position. -
Page 25: Adjusting The Anti-Scalp Rollers
Adjusting the Height-of-Cut Pin 3. Adjust the anti-scalp rollers as shown in Figure Figure 29, and Figure The height of cut is adjusted from 25 to 140 mm (1 to 5–1/2 inches) in 6 mm (1/4 inch) increments by moving the clevis pin into different hole locations. -
Page 26: Adjusting The Flow-Baffle Locks
Adjusting the Flow-Baffle Positioning the Flow Baffle Locks The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and This procedure is applicable only to machines with the height of the grass. flow-baffle locks. Certain models will have nuts and bolts Note: If the engine power draws down and the mower in-place of the flow-baffle locks and can be adjusted the same. -
Page 27: Positioning The Seat
Use to allow increased ground speed in heavy conditions. Shut off the engine, remove the key, and allow • This position offers benefits similar to those of the Toro all moving parts to stop before accessing the SFS mower. drive-wheel release valves. -
Page 28: Using The Side Discharge
4. Rotate the release valve levers horizontally to run the 5. Use the tie-down loops on the machine to securely machine (Figure 36). fasten it to the trailer or truck with straps, chains, cable, or ropes (Figure 37). Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. - Page 29 WARNING Loading a machine onto a trailer or truck increases the possibility of a tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine.
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Page 30: Operating Tips
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. Alternating the Mowing Direction Alternate the mowing direction to keep the grass standing straight. -
Page 31: Maintenance
Every 500 hours • Adjust the caster-pivot bearing. • Check the parking-brake adjustment. • Change the hydraulic filters and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions). • Check the battery. Monthly •... -
Page 32: Lubrication
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you perform any maintenance. Lubrication Greasing the Mower Service Interval: Every 50 hours—Grease the mower-deck Greasing and Lubrication spindles and idler arm. -
Page 33: Lubricating The Caster-Wheel Hubs
Lubricating the Caster-Wheel Hubs Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Figure 42 Figure 44 6. Remove the dust cap and adjust the caster pivots. 1. -
Page 34: Engine Maintenance
Engine Maintenance 14. Apply thread-locking adhesive to the second spacer nut and thread it onto the axle with the wrench flats facing outward. WARNING 15. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb), loosen it, then torque it to 2 to 3 N∙m (20 to 25 in-lb). Contact with hot surfaces may cause personal injury. -
Page 35: Servicing The Engine Oil
Servicing the Engine Oil Oil Type: Detergent oil (API service SG, SH, SJ, or higher) Crankcase Capacity: with a filter change, 2.3 L (2.4 US qt); without a filter change, 2.1 L (2.2 US qt) Viscosity: See the table below. Figure 45 1. -
Page 36: Changing The Engine Oil
Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours Note: Dispose of the used oil at a recycling center. G008804 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so that it drains better. 2. - Page 37 Changing the Engine-Oil Filter 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to Service Interval: Every 200 hours bring it to the F mark (Figure 49). Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy.
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Page 38: Servicing The Spark Plugs
Servicing the Spark Plugs 4. Remove the spark plug. Service Interval: Every 100 hours—Check and gap the spark plugs. Make sure 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(s) and a gapping tool/feeler gauge to check and adjust the air gap. -
Page 39: Checking The Spark Arrester (If Equipped)
Installing the Spark Plugs Fuel System Torque the spark plugs to 24.4 to 29.8 N∙m (18 to 22 ft-lb). Maintenance Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). The fuel filter is located near the engine on the front or rear side of the engine. -
Page 40: Servicing The Fuel Tank
Servicing the Fuel Tank Electrical System Maintenance Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. Servicing the Battery Service Interval: Monthly WARNING CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related... -
Page 41: Charging The Battery
Charging the Battery 1. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL LOCK and set the parking brake. WARNING 2. Stop the engine, remove the key, and wait for all moving Charging the battery produces gases that can parts to stop before leaving the operating position. -
Page 42: Servicing The Fuses
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 and circuit for a malfunction or short. Checking the Seat Belt The fuses are located on right console next to the seat (Figure 59). -
Page 43: Adjusting The Tracking
Figure 61 Left control lever shown 1. Control lever 3. Stop plate 2. Bolt Figure 60 Checking the Tire Pressure 1. ROPS knob (locked 3. Roll bar in the upright position) position Service Interval: Every 50 hours/Monthly (whichever 2. Pull the ROPS knob out 4. -
Page 44: Checking The Wheel Lug Nuts
Checking the Wheel Lug Nuts 4. Tighten the locknut until the spring washers are flat and then back off a 1/4 turn to properly set the pre-load on Check and torque the wheel lug nuts to 122 to 129 N∙m (90 the bearings (Figure 64). - Page 45 Removing the Clutch Shim Note: Do not discard the shim until proper clutch function has been confirmed. 1. Shut off the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Allow the machine to cool completely before starting these instructions.
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Page 46: Cooling System Maintenance
Cooling System • If the gap is less than 0.25 mm (0.01 inch), then install the shim and refer to Maintenance Troubleshooting (page 63). • If the gap is sufficient, proceed to the safety check in step F. Cleaning the Engine Screen F. -
Page 47: Cleaning The Engine-Cooling Fins And Shrouds
Cleaning the Engine-Cooling Checking and Cleaning the Fins and Shrouds Hydraulic-Unit Shrouds Service Interval: Every 100 hours (more often in dirty or Service Interval: Before each use or daily dusty conditions). 1. Disengage the PTO and set the parking brake. 1. -
Page 48: Brake Maintenance
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours (Or when a brake component has been removed or replaced). Every 500 hours Check to make sure that the brake is adjusted properly before adjusting. 1. Drive the machine onto a level surface. 2. -
Page 49: Belt Maintenance
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours 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. -
Page 50: Replacing The Hydraulic Pump-Drive Belt
12. Install the belt covers (Figure 77). Figure 78 Figure 77 1. Idler pulley 5. Left hydraulic-pump pulley 2. Clutch pulley 6. Square hole in idler arm 3. Pump-drive belt 7. Idler spring Replacing the Hydraulic 4. Right hydraulic-pump Pump-Drive Belt pulley 1. -
Page 51: Controls System Maintenance
Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers— H and L . Remove the bolts to adjust the height for the operator. 1. Disengage the PTO, move the motion-control levers to the N position, and set the parking brake. -
Page 52: Adjusting The Motion-Control Damper
Adjusting the Motion-Control Note: The brake must be engaged and motion-control levers out to start engine. You do not have to be in the Damper seat because of the jumper wire being used. 7. Run the unit at least 5 minutes with the drive levers at You can adjust the top damper-mounting bolt to obtain a full forward speed to bring hydraulic oil up to operating more desired motion-control lever resistance. -
Page 53: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Figure 83 Important: Use the oil specified. Other fluids could 1. Flanged nut 2. Jam nut damage the hydraulic system. - Page 54 Every 500 hours—Change the hydraulic filters and ® ™ hydraulic oil when using Toro HYPR-OIL hydraulic oil (more often in dirty or dusty conditions). To replace the hydraulic oil, the filters need to be removed. Replace both at the same time. Refer to the oil specifications...
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Page 55: Mower Deck Maintenance
Mower Deck Maintenance Leveling the Mower Deck Setting up the Machine Note: Ensure that the mower deck is level before matching the height of cut (HOC). 1. Position the machine on a flat surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL... - Page 56 Figure 88 1. 7.6 cm (3 inches) at 3. Measure here, from the position A is correct blade tip, to the hard surface 2. 8.3 cm (3–1/4 inches) at 4. Measure at position A and position B is correct B on both sides Figure 87 1.
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Page 57: Servicing The Cutting Blades
If a blade is damaged or worn, replace bolt by rotating it counterclockwise (Figure 91). it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, keep extra blades Note: Loosen or tighten the single-point-adjustment on hand. -
Page 58: Removing The Blades
To ensure optimum performance and continued safety conformance of the machine, use genuine Checking for Bent Blades Toro replacement blades. Replacement blades made by other 1. Disengage the PTO, move the motion-control levers to manufacturers may result in non-conformance with safety the N position, and set the parking brake. -
Page 59: Removing The Mower Deck
Sharpening the Blades WARNING When sharpening blades, pieces of a blade could be thrown and cause serious injury. Wear proper eye protection when sharpening blades. 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 95). -
Page 60: Replacing The Grass Deflector
8. Raise the deck struts and secure them in the up position. Slide the deck out to the right side of the machine. Replacing the Grass Deflector WARNING Operating the machine with the engine running at a speed greater than the factory setting can cause the machine to throw a part of the blade or engine at you or bystanders, resulting in serious injury or death. -
Page 61: Cleaning
Cleaning Storage Cleaning and Storage Cleaning under the Mower 1. Disengage the power take off (blade-control switch Service Interval: Before each use or daily (PTO), set the parking brake, and turn the ignition key to the off position. Remove the key. 1. - Page 62 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.
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Page 63: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade-control switch (PTO) is 1. Move the blade-control switch (PTO) engaged. to the disengaged position. 2. The parking brake is not on. 2. Set the parking brake. 3. - Page 64 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or 2. Change the belt. broken. 3. The pump belt is off a pulley. 3.
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Page 65: Schematics
Schematics Wire Diagram (Rev. A) - Page 66 Notes:...
- Page 67 Notes:...
- Page 68 Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.