Table of Contents
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Original Instructions (EN)
GrandStand
With 48in, 52in, or 60in TURBO FORCE
Cutting Unit
Model No. 74574—Serial No. 315000001 and Up
Model No. 74575—Serial No. 315000001 and Up
Model No. 74576—Serial No. 315000001 and Up
Model No. 79574—Serial No. 315000001 and Up
Model No. 79575—Serial No. 315000001 and Up
Form No. 3390-203 Rev A
®
Mower
®
*3390-203* A
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Table of Contents
Related Manuals for Toro GrandStand 74574
Summary of Contents for Toro GrandStand 74574
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Page 1: Cutting Unit
Model No. 74574—Serial No. 315000001 and Up Model No. 74575—Serial No. 315000001 and Up Model No. 74576—Serial No. 315000001 and Up Model No. 79574—Serial No. 315000001 and Up Model No. 79575—Serial No. 315000001 and Up *3390-203* A Register at www.Toro.com. Original Instructions (EN) - Page 2 You may contact Toro directly at www.Toro.com for product WARNING and accessory information, help finding a dealer, or to register your product. CALIFORNIA Proposition 65 Warning Whenever you need service, genuine Toro parts, or additional This product contains a chemical or chemicals...
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Page 3: Table Of Contents
Safety ................4 Adjusting the Caster-Pivot Bearing......42 Safe Operating Practices........... 4 Servicing the Caster Wheels and Bearings....42 Toro Mower Safety ..........6 Adjusting the Electric Clutch........43 Slope Indicator ............7 Checking the Wheel-Lug Nuts........43 Safety and Instructional Decals ......... 8 Checking the Wheel-Hub Nuts.........43... -
Page 4: Safety
Use extra care when handling fuels. They are flammable Manual. Modifications to this machine should only be and vapors are explosive. made by either the manufacturer or an Authorized Toro Dealer. – Use only an approved container. – Do not remove the fuel cap or add fuel with the This product is capable of amputating hands and feet. -
Page 5: Maintenance And Storage
• • Do not change the engine governor setting or overspeed If fuel is spilled on clothing, change your clothing the engine. immediately. • Stop on level ground, disengage drives, engage the • Do not overfill fuel tank. Replace fuel cap and tighten parking brake (if provided), shut off the engine before securely. -
Page 6: Toro Mower Safety
Toro Mower Safety Slope Operation All slopes and ramps require extra caution. If you feel uneasy The following list contains safety information specific to Toro on a slope, do not mow it. products and other safety information 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 20 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 20 degrees. 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. Manufacturer's Mark 1. Indicates the blade is identified as a part from the original 93-7818 machine manufacturer. - Page 9 116-8775 115-4186 1. Read the Operator’s 2. Fill to bottom of filler neck; Manual warning—Do not overfill 1. Interval the tank 2. Power Take-off (PTO) 3. Parking brake 4. Neutral 5. Operator presence switch 6. Battery 117-0456 1. Height of cut (HOC)—high 3.
- Page 10 121–5972 1. Read the Operator’s Manual before servicing or performing maintenance. 120-6412 1. Belt tension adjustment; read the Operator's Manual for more information. 121–6049 1. Thrown object 3. Cutting/dismemberment 120-6424 hazard—keep bystanders hazard of hand or foot, away from the machine. mower blade—keep hands 1.
- Page 11 119-8727 1. Traction control 3. Slow 5. Reverse 7. Operator presence switch 2. Fast 4. Neutral 6. Power Take-off (PTO)—disengage 120-6464 1. Parking brake—engage 3. Power Take-off 5. Engine speed 7. Continuous variable setting (PTO)—engage 2. Parking brake—disengage 4. Power Take-off 6.
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Page 12: Product Overview
Product Overview g026964 Figure 5 60-inch machine 1. Side-discharge chute 7. Control levers g026963 2. Battery 8. Manual tube Figure 4 3. Engine 9. Platform (down position) 48 inch (shown) and 52-inch machines 10. Hydraulic tank 4. Fuel shut-off valve (behind 1. -
Page 13: Controls
Controls 1 2 3 4 Become familiar with all the controls (Figure 6) before you start the engine and operate the machine. g015396 Figure 7 60-inch machine 1. Parking-brake lever 8. Fuel cap g015230 2. Choke 9. Platform latch Figure 6 3. -
Page 14: Specifications
121.9 cm (48 inches) its capabilities. Contact your Authorized Service Dealer or Weight for model 74553 419.1 kg (924 lb) Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Weight for model 79553 421.8 kg (930 lb) -
Page 15: Operation
Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can be released causing a spark which from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can Adding Fuel damage property. -
Page 16: Checking The Engine-Oil Level
Operating the Parking Brake of varnish deposits in the fuel system, use fuel stabilizer at all times. Always set the parking brake when you stop the machine or leave it unattended. Before each use, check the parking brake Filling the Fuel Tank for proper operation. -
Page 17: Operating The Mower-Blade-Control Switch (Pto)
Operating the Mower-Blade-Control Switch (PTO) The blade-control switch (PTO) is used in conjunction with the right side motion-control lever to engage and disengage G008946 the mower blades. Figure 12 Engaging the Mower Blades (PTO) 1. To engage the mower blades, move the right side motion-control lever to the center, unlocked position. -
Page 18: Operating The Ignition Switch
Operating the Ignition Switch Using the Fuel Shut-Off Valve 1. Turn the ignition key to the Start position (Figure 14). Close the fuel shut-off valve for transport, maintenance, and When the engines starts, release the key. storage (Figure 15). Important: Do not engage the starter for more Ensure that the fuel shut-off valve is open when starting the than 5 seconds at a time. -
Page 19: Stopping The Engine
Stopping the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes. Let the engine idle at slow throttle (turtle) for 60 seconds before turning the ignition switch off. -
Page 20: The Safety-Interlock System
The Safety-Interlock System 3. Move the right side motion-control lever to the center, unlocked position. CAUTION Note: The blades should not rotate. If safety-interlock switches are disconnected or 4. Move the motion-control levers forward. damaged the machine could operate unexpectedly Note: The engine should stop running. -
Page 21: Operating The Platform
Operating the Platform The machine can be used with the platform in the up or down position. It is the operator's preference on which position to use. Operating the Machine with the Platform Up Operating the machine with the platform up is recommended for the following: •... -
Page 22: Driving Forward Or Backward
Driving Forward or Backward Driving Forward 1. Release the parking brake; refer to Releasing the The throttle control regulates the engine speed as measured Parking Brake (page 16). in rpm (revolutions per minute). Place the throttle control in the Fast position for best performance. Always operate the 2. -
Page 23: Stopping The Machine
Stopping the Machine To stop the machine, move the motion-control levers to neutral, move the right side motion-control lever into the neutral-lock position, disengage the power-take off (PTO), and turn the ignition key to the Off position. Set the parking brake when you leave the machine; refer to Setting the Parking Brake (page 16). -
Page 24: Pushing The Machine By Hand
Pushing the Machine by Hand 3. If applicable, connect the trailer brakes. 4. Load the machine onto the trailer or truck. The bypass valves allow the machine to be pushed by hand without the engine running. 5. Stop the engine, remove the key, set the brake, and close the fuel valve. -
Page 25: Side Discharging Or Mulching The Grass
WARNING DANGER Loading a unit onto a trailer or truck increases the Without the grass deflector, discharge cover, or possibility of backward tip-over, and could cause complete grass catcher assembly mounted in serious injury or death. place, you and others are exposed to blade contact and thrown debris. -
Page 26: Adjusting The Anti-Scalp Rollers (60-Inch Mower Decks Only)
Adjusting the Anti-Scalp Rollers (60-inch Mower Decks 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 neutral-locked position and set the parking brake. 2. -
Page 27: Using The Mid-Size Weight
Position B Using the Mid-Size Weight Use this position when bagging (Figure 32). • Weights are installed to improve handling, balance, and improve performance. Weights can be added or removed to create optimized performance under different mowing conditions and for operator preference. •... -
Page 28: Maintenance
• Adjust the caster-pivot bearing. • Check the wheel-hub nuts. Every 500 hours • Change the hydraulic filter and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil. • Grease the front wheel bearings (more often in dirty or dusty conditions). -
Page 29: Premaintenance Procedures
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 and disconnect the spark-plug wires from the spark plugs before you do any maintenance. -
Page 30: Releasing The Cushion For Rear Access
Figure 36 g019209 1. Remove the battery 2. Front end of the mower Figure 37 1. Plastic bushing with the 3. Hairpin-cotter pin large washer Releasing the Cushion for 2. Cushion bracket with the Rear Access key hole You can release the cushion for rear access to the machine for maintenance or adjustment. -
Page 31: Lubrication
Lubrication Grease with No. 2 general purpose lithium base or molybdenum base grease. 1. Disengage the PTO 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. 3. -
Page 32: Lubricate Caster-Wheel Hubs
Lubricate Caster-Wheel Hubs 13. Torque the nut to 8 to 9 N-m (71 to 80 in-lb), loosen, then torque it to 2 to 3 N-m (20 to 25 in-lb). Service Interval: Yearly Note: Make sure axle does not extend beyond either 1. -
Page 33: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Service Interval: Every 250 hours—Replace the primary air filter. Every 250 hours—Check the secondary air filter. Every 500 hours—Replace the secondary air filter. Note: Service the air cleaner more frequently if operating conditions are extremely dusty or sandy. g026970 Figure 42 Removing the Filters... -
Page 34: Servicing The Engine Oil
Servicing the Engine Oil 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating Service Interval: Before each use or daily—Check the position (Figure 44). engine-oil level. 3. Check the engine-oil level as shown in Figure After the first 8 hours—Change the engine oil. - Page 35 2. Disengage the PTO, move the motion-control levers to the neutral-locked position, and set the parking brake. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Change the engine oil as shown in Figure g026971 G008796...
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Page 36: Servicing The Spark Plug
Removing the Spark Plug 1. Disengage the PTO, move the motion-control levers to the neutral-locked 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. g026971 3. -
Page 37: Checking The Spark Arrester (If Equipped)
Installing the Spark Plug Fuel System Tighten the spark plug(s) to 22 N-m (16 ft-lb). Maintenance Draining the Fuel Tank Note: There is no other recommended way to drain fuel from the tank, other than using a syphon pump. A syphon pump can be purchased at a hardware store. -
Page 38: Servicing The Fuel Filter
Servicing the Fuel Filter Electrical System Maintenance Replacing the Fuel Filter Service Interval: Every 800 hours/Yearly (whichever comes Servicing the Battery first) Service Interval: Every 100 hours Do not install a dirty filter if it is removed from the fuel line. Note: Wipe up any spilled fuel. -
Page 39: Charging The Battery
2. Secure the battery with the hold down plate, j-bolts, WARNING and locknuts. Incorrect battery-cable routing could damage the 3. Install the positive (red) battery cable to positive (+) machine and cables causing sparks. Sparks can battery terminal with a nut, a washer, and a bolt (Figure cause the battery gasses to explode, resulting in 53). -
Page 40: Servicing The Fuses
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses, and requires no maintenance. If a fuse blows, check the component or circuit for a malfunction or short. Adjusting the Tracking 1. Release the cushion from the rear of the machine. 2. - Page 41 6. Test the safety-interlock system before operation. 2 3 4 g017848 Figure 57 1. Left cable adjustment 3. Right cable adjustment 2. Cable lock 7. Check for proper tracking. Note: If the machine will not start after adjusting the tracking, make sure proximity switch target aligns with bolt attached to motion-control lever;...
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Page 42: Checking The Tire Pressure
Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Maintain the air pressure in the rear tires at 83 to 97 kPa (12 to 14 psi). Important: Uneven tire pressure can cause an uneven cut. Note: The front tires are semi-pneumatic tires and do not require air-pressure maintenance. -
Page 43: Adjusting The Electric Clutch
2. Remove one bushing, then pull the spanner bushing and roller bearing out of the wheel hub (Figure 61). 3. Remove the other bushing from the wheel hub, and clean any grease and dirt from the wheel hub (Figure 61). 4. -
Page 44: Cooling System Maintenance
Cooling System ensure adequate cooling, correct engine speed, and reduce the possibility of overheating or mechanical damage to the engine. Maintenance Note: High pressure and over-speeding the fan may cause fan failure. Use care with compressed air to avoid over-speeding the electric fan. Cleaning the Air-Intake Screen Important: Do not direct a pressure washer on the Service Interval: Before each use or daily... -
Page 45: Brake Maintenance
Brake Maintenance Servicing the Brake Before each use, check the brakes on a level surface and slope. Always set the parking brake when you stop the machine or leave it unattended. Important: If the parking brake does not hold securely, an adjustment is required. -
Page 46: Adjusting The Brakes
Adjusting the Brakes If the parking brake does not hold securely, an adjustment is required. 1. Check the brake before you adjust it; refer to Checking the Parking Brake (page 45). 2. Park the machine on a level surface, disengage the PTO, and set the parking brake. -
Page 47: Belt Maintenance
Belt Maintenance Replacing the Mower-Deck Belt Service Interval: Every 100 hours—Check the mower-deck belt. Squeaking when the belt is rotating, the blade is slipping when cutting grass, frayed belt edges, burn marks, and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. -
Page 48: Replacing The Pump-Drive Belt
g017890 Figure 69 60-inch mower decks 1. 16.5 cm (6.5 inches) from 4. Ratchet hook to hook G015402 2. Spring 5. Square hole for ratchet Figure 70 6. Nut 3. Spring-loaded idler 1. Hydraulic pumps 4. Clutch retainer 2. Idler pulley 5. -
Page 49: Controls System Maintenance
Controls System Maintenance Adjusting the Motion-Control-Handle Positions Adjusting the Right Side Motion-Control Lever If the motion-control levers do not align horizontally, adjust the right side motion-control lever. Note: Adjust the horizontal alignment before the front to back alignment. 1. Disengage the PTO, move the right side motion-control lever to the neutral position, and set the parking brake. - Page 50 Adjusting the Neutral Position for the Motion-Control Levers Important: Ensure the tracking of the mower is correct after adjusting the motion-control levers. Adjusting the tracking and aligning the motion-control levers front to back is the same procedure (Figure 73). Note: Adjust the horizontal alignment before the front to back alignment.
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Page 51: Hydraulic System Maintenance
(Figure 75). System 9. Install the cap on the filler neck. ® ™ Hydraulic Oil Type: Toro HYPR-OIL 500 hydraulic oil WARNING ® or Mobil 1 15W-50 synthetic motor oil. Hydraulic fluid escaping under pressure can Hydraulic System Oil Capacity: 2 L (67 oz) penetrate skin and cause injury. - Page 52 Replacing the Hydraulic Filter 5. Loosen the hose clamp and move it down the hose. 6. Remove the front hydraulic hose, and allow the fluid to Service Interval: After the first 8 hours run out of the tank. WARNING Hot hydraulic fluid can cause severe burns. Allow the hydraulic fluid to cool before performing any maintenance to the hydraulic system.
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Page 53: Bleeding The Hydraulic System
Checking the Hydraulic Lines Service Interval: Every 100 hours Check hydraulic hoses and hoses for leaks, loose fittings, kinked hoses, loose mounting supports, wear, general weathering, and chemical deterioration. Make any necessary repairs before operating. Note: Keep areas around the hydraulic system clean from grass and debris buildup. -
Page 54: Mower Deck Maintenance
Mower Deck Checking for Bent Blades 1. Disengage the PTO, move the motion-control levers to Maintenance the neutral-locked position, and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving Servicing the Cutting Blades parts to stop before leaving the operating position. -
Page 55: Removing The Blades
To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in nonconformance with safety standards. -
Page 56: Correcting The Mower Quality-Of-Cut
Correcting the Mower Changing the Mower Deck Side-to-Side Height Quality-of-Cut Changing the side-to-side height is done by adjusting the If one deck blade cuts lower than the other, correct it as rear-tire pressure and U-plates on the side of the engine deck. follows: 1. - Page 57 Note: The weight of the mower deck must be resting on all 3 of the 2x4 pieces (Figure 89). Note: The back lip of the mower deck is built 6mm (1/4 inch) lower than the front lip of the mower deck. 5.
- Page 58 Figure 91 1. Measure from a level 2. Measure the blade at point surface 5. If it does not measure correctly, locate the height-of-cut rod on the right side of the machine (Figure 92). 6. Adjust the adjustment bolt until the blade tips match 7.6 cm (3 inches) as shown in Figure g026977...
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Page 59: Adjusting The Deck-Lift Spring
Adjusting the Deck-Lift Spring Replacing the Grass Deflector Note: Adjusting the deck-lift spring will alter how much the WARNING deck will float and how much effort it takes to lift the deck when using the height-of-cut handle. An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or 1. -
Page 60: Cleaning
Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (PTO), set the parking Service Interval: Before each use or daily brake, turn the ignition key to off, and remove the key. Remove the grass buildup under the mower daily. 2. - Page 61 12. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 13. Store the machine in a clean, dry garage or storage area. Remove the key from the ignition switch and keep it in a memorable place. Cover the machine to protect it and keep it clean.
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Page 62: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Engine will not start, starts hard, or fails 1. Fuel tank is empty or shut-off valve 1. Fill fuel tank with gasoline and open to keep running. closed. valve 2. Move the choke lever to choke position. 2. - Page 63 Problem Possible Cause Corrective Action The cutting height is uneven. 1. Blade(s) not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. Mower deck is not level. 3. Level the mower deck side-to-side position.
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Page 64: Schematics
Schematics g0181 10 Hydraulic Schematic for 48-inch mower models (Rev. A) g017891 Hydraulic Schematic for 52 and 60 inch Mower Models (Rev. A) - Page 65 g026979 Electrical Schematic (Rev. A)
- Page 66 Notes:...
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- 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.