Table of Contents
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Original Instructions (EN)
GrandStand
With 48in or 52in TURBO FORCE
Unit
Model No. 74504—Serial No. 316000001 and Up
Model No. 74505—Serial No. 316000001 and Up
Model No. 79504—Serial No. 316000001 and Up
Model No. 79505—Serial No. 316000001 and Up
Form No. 3403-282 Rev B
®
Mower
®
Cutting
*3403-282* B
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Table of Contents
Related Manuals for Toro GrandStand 74504
Summary of Contents for Toro GrandStand 74504
- Page 1 With 48in or 52in TURBO FORCE ® Cutting Unit Model No. 74504—Serial No. 316000001 and Up Model No. 74505—Serial No. 316000001 and Up Model No. 79504—Serial No. 316000001 and Up Model No. 79505—Serial No. 316000001 and Up *3403-282* B Register at www.Toro.com. Original Instructions (EN)
- Page 2 You may contact Toro directly at www.Toro.com for product WARNING safety and operation training materials, 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
Using the Clutch Shim ..........41 Safety ................4 Checking the Wheel-Lug Nuts........42 Safe Operating Practices........... 4 Checking the Wheel-Hub Nuts.........42 Toro Mower Safety ..........6 Cooling System Maintenance ........43 Slope Indicator ............7 Cleaning the Air-Intake Screen .........43 Safety and Instructional Decals ......... 8 Cleaning the Cooling System........43... -
Page 4: Safety
Use extra care when handling fuels. They are flammable only be made by either the manufacturer or an Authorized and vapors are explosive. Toro Dealer. – Use only an approved container. This product is capable of amputating hands and feet. Follow –... -
Page 5: Maintenance And Storage
Hauling • Stop on level ground, disengage drives, engage the parking brake, shut off the engine before leaving the • Use care when loading or unloading the machine into a operator's position for any reason, including emptying the trailer or a truck. catchers or unclogging the chute. -
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 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 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 9 131-3521 1. Height-of-cut 131-1180 1. Read the Operator's Manual. (A) Short, light grass; dry conditions; maximum dispersion; (B) Bagging setting; (C) Tall, dense grass; wet conditions; maximum ground speed 131-3524 1. Read the Operator's 3. Oil level Manual. 2. Transmission oil 131-3507 1.
- Page 10 133-4604 1. Thrown object 3. Severing hazard of hand hazard—keep bystanders or foot—keep away from away from the machine. moving parts. 2. Thrown object hazard, 4. Entanglement open baffle—only operate hazard—keep away the machine with a baffle from moving parts; keep or a grass collector.
- Page 11 131-3525 1. Disengage the parking brake. 5. Fast 2. Engage the parking brake. 6. Engine—speed 3. Engage the PTO. 7. Slow 4. Disengage the PTO. 131-3527 1. Warning—read the Operator's Manual. 5. Thrown object hazard—keep bystanders away from the machine. 2.
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Page 12: Product Overview
Controls Product Overview Become familiar with all the controls (Figure 5) before you start the engine and operate the machine. Figure 4 1. Front caster wheel 7. Fuel tank 2. Side-discharge chute 8. Platform (down position) 3. Engine 9. Fuel-shutoff valve 4. -
Page 13: Specifications
122 cm (48 inches) available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Weight 412 kg (908 lb) Distributor or go to www.Toro.com for a list of all approved attachments and accessories. -
Page 14: Operation
Operation DANGER In certain conditions, gasoline is extremely Note: Determine the left and right sides of the machine flammable and highly explosive. A fire or explosion from the normal operating position. from gasoline can burn you and others and can damage property. -
Page 15: Checking The Engine-Oil Level
Breaking in a New Machine WARNING Gasoline is harmful or fatal if swallowed. Long-term New engines take time to develop full power. Mower decks exposure to vapors can cause serious injury and and drive systems have higher friction when new, placing additional load on the engine. -
Page 16: Operating The Mower-Blade-Control Switch (Pto)
Operating the Operating the Throttle Mower-Blade-Control Switch The throttle control moves between F and S positions (Figure 11). (PTO) Always use the F position when engaging the mower Use the blade-control switch (PTO) in conjunction with the blades with the blade-control switch (PTO). motion-control levers to engage and disengage the mower blades. -
Page 17: Operating The Ignition Switch
Operating the Ignition Switch Using the Fuel-Shutoff Valve Important: Do not engage the starter for more than Close the fuel-shutoff valve for transport, maintenance, and 5 seconds at a time. If the engine fails to start, wait storage (Figure 15). 15 seconds between attempts. -
Page 18: Starting And Shutting Off The Engine
Starting and Shutting off the Shutting off the Engine Engine CAUTION Children or bystanders may be injured if they Starting the Engine move or attempt to operate the machine while it is unattended. Important: Do not engage the starter for more than 5 seconds at a time. -
Page 19: The Safety-Interlock System
The Safety-Interlock System Note: The blades should not rotate and the engine should stop running. CAUTION 3. Start the engine and release the parking brake. 4. Move either motion-control lever to the center, If the safety-interlock switches are disconnected or unlocked position. -
Page 20: Driving Forward Or Backward
Operating the Machine with the Driving Forward or Backward Platform Up The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in Operate the machine with the platform up under the the F position for best performance. -
Page 21: Stopping The Machine
Stopping the Machine To stop the machine, move the motion-control levers to neutral, move both motion-control levers into the position, disengage the power takeoff EUTRAL LOCK (PTO), and turn the ignition key to the O position. Set the parking brake when you leave the machine; refer to Setting the Parking Brake (page 15). -
Page 22: Pushing The Machine By Hand
Pushing the Machine by Hand Transporting the Machine The bypass valves allow you to push the machine by hand Use a heavy-duty trailer or truck to transport the machine. without the engine running. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. - Page 23 Important: Do not use narrow individual ramps for each side of the machine. Ensure that the ramp is long enough so that the angle with the ground does not exceed 15 degrees (Figure 26). On flat ground, this requires a ramp to be at least 4 times as long as the height of the trailer or truck bed to the ground.
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Page 24: Side Discharging Or Mulching The Grass
Side Discharging or Mulching Adjusting the Height-of-Cut the Grass The height-of-cut can be adjusted from 38 to 127 mm (1-1/2 to 5 inches) in 6 mm (1/4 inch) increments. This mower has a hinged grass deflector that disperses Note: Using a height-of-cut under 51 mm (2 inches) increases clippings to the side and down toward the turf. -
Page 25: Adjusting The Flow Baffle
Adjusting the Flow Baffle Positioning the Flow Baffle You can adjust the mower-discharge flow for different types The following figures are only for recommended use. of mowing conditions. Position the cam lock and baffle to Adjustments vary by grass type, moisture content, and the provide the best quality of cut. -
Page 26: Using The Mid-Size Weight
Position B Using the Mid-Size Weight Use this position when bagging (Figure 30). • Install weights to improve balance. You can add or remove weights to create optimized performance under different mowing conditions and for your preference. • Add or remove weights 1 at a time until you achieve the desired handling and balance. -
Page 27: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 8 hours • Check the hydraulic-fluid level. • Change the hydraulic filters and hydraulic fluid. After the first 50 hours •... -
Page 28: Premaintenance Procedures
Premaintenance Lubrication Procedures 1. Disengage the PTO and set the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating Releasing the Cushion for position. Rear Access 3. Clean the grease fittings with a rag. Note: Make sure to scrape any paint off the front of You can release the cushion for rear access to the machine for the fitting(s). -
Page 29: Greasing The Front Caster Pivots
Greasing the Front Caster 8. If both spacer nuts in the axle assembly have been removed (or broken loose), apply a thread-locking Pivots adhesive to 1 spacer nut, threading it onto the axle with the wrench flats facing outward. Service Interval: Yearly Note: Do not thread spacer nut all of the way onto 1. -
Page 30: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Service Interval: Every 300 hours 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. -
Page 31: Servicing The Engine Oil
Servicing the Engine Oil 3. Check the engine-oil level as shown in Figure Service Interval: Before each use or daily—Check the engine-oil level. After the first 8 hours Every 100 hours—Change the engine oil (more often in dirty or dusty conditions). Every 200 hours—Change the engine-oil filter. -
Page 32: Changing The Engine Oil
Changing the Engine Oil Note: Dispose of the used oil at a recycling center. 1. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely. 2. Disengage the PTO, move the motion-control levers to the N position, and set the parking brake. -
Page 33: Servicing The Spark Plug
Changing the Engine-Oil Filter Servicing the Spark Plug Note: Change the engine-oil filter more frequently when Service Interval: Every 100 hours operating conditions are extremely dusty or sandy. Make sure that the air gap between the center and side 1. Drain the oil from the engine; refer to Changing the electrodes is correct before installing the spark plug. -
Page 34: Checking The Spark Arrester
Checking the Spark Plug Checking the Spark Arrester Important: Do not clean the spark plug(s). Always If Equipped replace the spark plug(s) when it has a black coating, worn electrodes, an oily film, or cracks. Service Interval: Every 50 hours If you see light brown or gray on the insulator, the engine is WARNING operating properly. -
Page 35: Fuel System Maintenance
Fuel System Maintenance Draining the Fuel Tank You can drain the fuel tank by removing it and pouring the fuel out of the fill neck; refer to Removing the Fuel Tank (page 35). You can also drain the fuel tank by using a siphon in the following procedure. -
Page 36: 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 37: Installing The Battery
Installing the Battery WARNING Install the battery as shown in Figure Incorrect battery-cable routing could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. -
Page 38: Servicing The Fuses
Charging the Battery Servicing the Fuses The electrical system is protected by fuses and requires no WARNING maintenance. If a fuse blows, check the component or circuit Charging the battery produces gasses that can for a malfunction or short. explode. 1. -
Page 39: Drive System Maintenance
Drive System 6. Check that the machine does not creep from the neutral position with the park brakes disengaged. Maintenance 7. Install the fuel tank, if you removed it. 8. Install the cushion. Adjusting the Tracking Checking the Tire Pressure Note: Determine the left and right sides of the machine from the normal operating position. -
Page 40: Adjusting The Caster-Pivot Bearing
Adjusting the Caster-Pivot Servicing the Caster Wheels Bearing and Bearings Service Interval: Every 500 hours/Yearly (whichever comes The caster wheels rotate on a roller bearing supported by a first) spanner bushing. If the bearing is kept well lubricated, wear will be minimal. Failure to keep the bearing well lubricated 1. -
Page 41: Using The Clutch Shim
Using the Clutch Shim A. Loosen both brake mounting bolts 1/2 to 1 full turn as shown in Figure Some later model year units have been built with clutches that Note: Do not remove the brake pole from the contain a brake shim. When the clutch brake has worn to the field shell/armature. -
Page 42: Checking The Wheel-Lug Nuts
Checking the Wheel-Lug Nuts Service Interval: After the first 100 hours—Check the wheel-lug nuts. Check and torque the wheel lug nuts to 115 to 142 N∙m (85 to 105 ft-lb). Checking the Wheel-Hub Nuts Figure 59 1. Feeler gauge Service Interval: After the first 100 hours—Check the wheel-hub nuts. -
Page 43: Cooling System Maintenance
Brake Maintenance Cooling System Maintenance Servicing the Brake Cleaning the Air-Intake Screen Before each use, check the brakes on a level surface and slope. Always set the parking brake when you stop the machine or Service Interval: Before each use or daily leave it unattended. -
Page 44: Belt Maintenance
Belt Maintenance Replacing the Transmission Belt Replacing the Mower-Deck Service Interval: Every 1,000 hours—Replace the transmission belt. Belt 1. Remove the fuel tank; refer to Removing the Fuel Tank Service Interval: Every 100 hours—Check the mower-deck (page 35). belt. 2. Remove the hydraulic-reservoir cap. Signs of a worn belt include squeaking when the belt is 3. -
Page 45: Controls System Maintenance
Controls System 7. Remove the deck belt from the clutch and clutch stop (Figure 65). Maintenance 8. Install the new belt. 9. Install the tension spring and lower hydraulic hose. Adjusting the Motion-Control 10. Install the drain plugs. Levers 11. Add hydraulic fluid to the fill level. 12. -
Page 46: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System ® ™ Hydraulic Fluid Type: Toro HYPR-OIL 500 hydraulic Hydraulic System Fluid Capacity: 4.7 L (5 US qt) Figure 67 Important: Use the fluid specified. Other fluids could 1. Cam 2. Nut damage the system. - Page 47 Replacing the Hydraulic Fluid and WARNING Filters Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Service Interval: After the first 50 hours Every 500 hours/Yearly (whichever comes • If hydraulic fluid is injected into the skin, first)—Change the hydraulic filters and hydraulic fluid. it must be surgically removed within a few hours by a doctor familiar with this type Change the hydraulic fluid more frequently in severe...
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Page 48: Mower Deck Maintenance
Mower Deck Note: This allows air to escape the hydraulic system as you add hydraulic fluid. Maintenance Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. -
Page 49: Removing The Blades
2. Shut off the engine, remove the key, and wait for all genuine Toro replacement blades. Replacement blades made moving parts to stop before leaving the operating by other manufacturers may result in nonconformance with position. -
Page 50: Correcting The Mower Quality Of Cut
Correcting the Mower Quality 2. Check the balance of the blade by putting it on a blade balancer (Figure 75). of Cut Note: If the blade stays in a horizontal position, the If a deck blade cuts lower than the other, correct it as follows: blade is balanced. - Page 51 Leveling the Mower Deck from Side to Checking the Mower Deck Front-to-Rear Side Pitch 1. Loosen the side nut and jam nut in the yokes you want 1. Adjust the tire pressure in the rear tires to the correct to adjust (Figure 78).
- Page 52 Leveling the Mower Deck from Front to Matching the Height-of-Cut Rear 1. Check the rear tire pressure. 1. Loosen the jam nut and side bolt in the yokes that you 2. Set the height-of-cut to the 7.6 cm (3 inches) position; want to adjust (Figure 80).
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Page 53: Adjusting The Deck-Lift Spring
Adjusting the Deck-Lift Spring Replacing the Grass Deflector Note: Adjusting the deck-lift spring alters how much the WARNING deck floats and how much effort it takes to lift the deck when using the height-of-cut handle. An uncovered discharge opening could allow the machine to throw objects in the operator's or 1. -
Page 54: Cleaning
Cleaning Storage Cleaning and Storage Cleaning under the Mower 1. Disengage the power takeoff (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 55 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 56: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The engine does not start, starts hard, or 1. The fuel tank is empty or the shutoff 1. Fill the fuel tank with gasoline and fails to keep running. valve is closed. open the valve 2. - Page 57 Problem Possible Cause Corrective Action The cutting height is uneven. 1. Blade(s) are not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. The mower deck is not level. 3. Level the mower deck side-to-side position.
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Page 58: Schematics
Schematics Electrical Schematic (Rev. A) - Page 59 Notes:...
- Page 60 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.