Form No. 3434-461 Rev D GrandStand® Mower With 48in, 52in, or 60in TURBO FORCE® Cutting Unit Model No. Model No. Model No. Model No. Model No. Register at www.Toro.com. Original Instructions (EN) 71504—Serial No. 71505—Serial No. 72504—Serial No. 72505—Serial No. 72509—Serial No.
Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product. Write the numbers in the space provided.
Contents Draining the Fuel Tank ...................................... 36 Removing the Fuel Tank ................................... 36 Replacing the Fuel Filter ................................... 37 Electrical System Maintenance ........................... 37 Electrical System Safety ................................... 37 Servicing the Battery......................................... 37 Servicing the Fuses .......................................... 39 Drive System Maintenance ............................
Safety • Keep bystanders and children out of the operating area. Do not allow children to operate the machine. Allow only people who are responsible, trained, familiar with the instructions, and physically capable to operate the machine. This machine has been designed in accordance with ANSI B71.4-2017. • Stop the machine, shut off the engine, and remove General Safety the ignition key before servicing, fueling, or unclogging the machine.
Decal 112-3858 is for machines with 60in decks only. decal112-3858 112-3858 1. Read the Operator's Manual. 3. Remove the key before adjusting the height of cut. 2. Read the Operator's Manual before performing maintenance. 4. Height-of-cut settings decal131-1180 131-1180 1. Read the Operator's Manual. 2. Short, light grass; dry conditions 3. Bagging setting 4. Tall, dense grass; wet conditions decal116-8283 116-8283 1.
decal131-3521 131-3521 1. Height of cut decal131-3529 131-3529 1. Read the Operator's Manual for more information on maintenance intervals and procedures. decal131-3524 131-3524 1. Read the Operator's Manual. 2. Transmission fluid 3. Cold fluid level decal131-3536 131-3528 131-3536 15A 15A 10A 7.5A decal131-3528 131-3528 1. Key switch—15 A 2. Accessory port—15 A 3. Power takeoff (PTO)—10 A 4. Infocenter—7.5 A 6 1. Battery 4. Parking brake 2. Time 5. Engine—start 3.
decal133-4641 133-4641 decal133-4604 1. Warning—do not carry passengers. 133-4604 1. Thrown object hazard—keep bystanders away from the machine. 3. Severing hazard of hand or foot—keep away from moving parts. 2. Thrown object hazard, open deflector—only operate the machine with a deflector or a grass collector. 4. Entanglement hazard—keep away from moving parts; keep all guards and shields in place. decal133-8062 133-8062 decal131-3526 131-3526 1. Power takeoff (PTO)—disengaged 5. Reverse 2.
decal140-4258 140-4258 1. Parking brake—disengaged 4. Off 2. Parking brake—engaged 5. Engine speed—fast 3. On 6.
Controls Product Overview Become familiar with all the controls (Figure 4) before you start the engine and operate the machine. Control Panel g332923 Figure 3 1. Anti-scalp roller (60-inch decks only) 7. Hydraulic tank 2. Front caster wheel 3. Grass deflector 8. Fuel tank 9. Platform (down position) 4. Engine g300766 Figure 4 10. Fuel-shutoff valve 5. Control panel 11. Battery 1. Fuel cap 7. Key switch 6. Motion-control levers 12. Mower deck 2. Choke control 3. Parking-brake lever 8.
Specifications is running. Use these times for scheduling regular maintenance (Figure 5). Note: Specifications and design are subject to change without notice.
Operation – If you spill fuel, do not attempt to start the engine. Avoid creating a source of ignition until the fuel vapors have dissipated. Before Operation – Store fuel in an approved container and keep it out of the reach of children. • Fuel is harmful or fatal if swallowed. Long-term Before Operation Safety exposure to vapors can cause serious injury and illness. General Safety – Avoid prolonged breathing of vapors.
Performing Daily Maintenance engine damage which may not be covered under warranty. Do not use gasoline containing methanol. Do not store fuel either in the fuel tank or fuel containers over the winter unless you use a fuel stabilizer. Do not add oil to gasoline. • • • Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 27). Breaking in a New Machine Using Stabilizer/Conditioner New engines take time to develop full power.
Note: The clutch and blades/attachment should 9. engage. Press the OFF position on the PTO switch. Note: The blades/attachment should stop. 10. With the engine running, press the ON position on the PTO switch without holding either motion-control lever to the center, unlocked position. Note: The blades/attachment should not engage. g031282 Figure 7 During Operation 1. The triangles light up when the interlock components are in the correct position.
• Stop the blades whenever you are not mowing. • Stop the machine, remove the ignition key, and – Evaluate the site conditions of the day to determine if the slope is safe for machine operation. Use common sense and good judgment when performing this evaluation. Changes in the terrain, such as moisture, can quickly affect the operation of the machine on a slope.
Operating the Parking Brake Operating the Mower-Blade-Control Switch (PTO) Always engage the parking brake when you shut off the machine or leave it unattended. Before each use, check the parking brake for proper operation. Use the blade-control switch (PTO) in conjunction with the motion-control levers to engage and disengage the mower blades. If the parking brake does not hold securely, adjust it; refer to Adjusting the Brakes (page 44).
Disengaging the Mower Blades (PTO) Operating the Choke Use the choke to start a cold engine. Figure 10 and Figure 11 show 2 ways to disengage the mower blades. 1. Pull up the choke knob to engage the choke before using the key switch (Figure 13). 2. Push down the choke knob to disengage the choke after the engine has started (Figure 13). g301401 Figure 10 g031593 Figure 11 g008959 Figure 13 Note: If you disengage the mower blades by 1.
Operating the Ignition Switch 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. 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.
Operating the Platform Shutting Off the Engine You can use the machine with the platform in the up or down position. It is your preference on which position to use. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. WARNING The operator platform is heavy and may cause injury when you raise or lower it. Carefully lower or raise the operator platform, as suddenly dropping it could injure you.
Driving Forward 1. Disengage the parking brake; refer to Operating the Parking Brake (page 15). 2. Move the motion-control levers to the center, unlocked position. g031026 Figure 18 1. Platform up 3. Pull the knob out to release the platform. 2. Platform down g030983 Figure 19 Driving Forward or Backward The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the FAST position for best performance. 1. Front reference bar 4.
Side Discharging or Mulching the Grass This machine has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without the 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 cause injury or death. • Do not remove the grass deflector from the machine, because the grass deflector routes material down toward the turf.
Adjusting the Height-of-Cut Adjusting the Anti-Scalp The height-of-cut can be adjusted from 38 to 127 mm Rollers (1-1/2 to 5 inches) in 6 mm (1/4 inch) increments. Models with a 60-Inch Deck Only Note: Using a height-of-cut under 51 mm (2 inches) Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. increases the wear on the mower-deck belt. Use a height-of-cut that is greater than 51 mm (2 inches) whenever possible. 1.
Position B Use this position when bagging (Figure 26). g301806 Figure 24 2. Knob 1. Slot g012678 Figure 26 Positioning the Flow Baffle The following figures are for recommended use only. Adjustments vary by grass type, moisture content, and the height of the grass. Position C This is the full, open position (Figure 27). Use this position for the following: Note: If the engine power draws down and the mower ground speed is the same, open the baffle.
Using Weights After Operation • Install weights to improve balance. You can add or remove weights to create optimized performance under different operating conditions and for your preference. After Operation Safety General Safety • Add or remove weights 1 at a time until you achieve the desired handling and balance.
Using the Fuel-Shutoff Valve Pushing the Machine by Hand Close the fuel-shutoff valve for transport, maintenance, and storage (Figure 28). The bypass valves allow you to push the machine by hand without the engine running. Ensure that the fuel-shutoff valve is open when starting the engine. Important: Always push the machine by hand. Do not tow the machine, because hydraulic damage may occur. Important: Do not start or operate the machine with the bypass valves open. Damage to system may occur.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. Refer to your local ordinances for trailer and tie-down requirements.
g031405 Figure 31 1. Back the machine up the ramp. 2. Walk the machine down the ramp. 6. Shut off the engine, remove the key, and engage the parking brake. 7. Tie down the machine near the front caster wheels and the rear bumper with straps, chains, cable, or ropes (Figure 32). Refer to local regulations for tie-down requirements. g031300 Figure 32 1.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. CAUTION If you leave the ignition key in the switch, someone could accidently start the engine and serious injure you or other bystanders. Remove the ignition key from the switch before you perform any maintenance. Maintenance Safety • Never tamper with safety devices. Check their proper operation regularly.
Maintenance Service Interval Maintenance Procedure • • • • • Change the engine oil. Check, clean and gap the spark plug. Check the battery. Check the clutch. Check and clean the engine cooling fins and shrouds (more often in dirty or dusty conditions). • Check the mower-deck belt(s). Every 100 hours Every 200 hours • Change the engine-oil filter. Every 250 hours • Replace the primary air filter (more often in dirty or dusty conditions).
Lubrication Opening the Engine Guard Rotate the engine guard forward as shown in Figure 34. Greasing the Machine Grease with No. 2 lithium or molybdenum grease. 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 position. 3. Clean the grease fittings with a rag. Note: Make sure to scrape any paint off the front of the fitting(s). 4. Connect a grease gun to the fitting. 5.
Greasing the Front Caster Pivots Note: Thread-locking adhesive has been applied to lock the spacer nuts to the axle. Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly. Service Interval: Yearly 6. Pry out the seals, inspect bearings for wear or damage, and replace them if necessary. 7. Pack the bearings with a general-purpose grease. 8. Insert 1 bearing and 1 new seal into the wheel. Grease type: Lithium or molybdenum grease 1.
Engine Maintenance Greasing the Motion Controls Engine Safety Service Interval: Yearly • Shut off the engine before checking the oil or Grease the operator-presence-control balljoint and the motion-control bushing for both levers. adding oil to the crankcase. Keep your hands, feet, face, clothing, and other body parts away from the muffler and other hot surfaces. • Note: Use an oil drip between the lever brackets to grease the bushing, located in the pivot tube.
Servicing the Engine Oil Note: Avoid knocking the filter into the side of the body. 7. Remove the inner filter only to replace it. Engine-Oil Specifications Oil Type: Detergent oil (API service SJ or higher) Inspecting the Filters 1. Inspect the safety filter. If it is dirty, replace both the safety and primary filters. Engine Oil Capacity: 2.1 L (71 fl oz) with the filter; 1.8 L (61 fl oz) without the filter Important: Do not attempt to clean the Viscosity: Refer to the table below. safety filter.
Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours 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 assure the oil drains completely. 2. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4.
g031341 g194610 Figure 42 6. Start the engine and drive to a flat area. 7. Check the oil level again. Changing the Engine-Oil Filter Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 33). 2. Change the engine-oil filter (Figure 43).
Removing the Spark Plug Installing the Spark Plug 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the spark plug as shown in Figure 44.
Removing the Fuel Tank Fuel System Maintenance Draining the Fuel Tank 1. Lower the platform. 2. Release the cushion; refer to Releasing the Cushion for Rear Access (page 28). 3. Remove the cross bracket. 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 36). You can also drain the fuel tank by using a siphon in the following procedure. DANGER In certain conditions, fuel is extremely flammable and highly explosive.
Replacing the Fuel Filter Service Interval: Every 800 hours/Yearly (whichever comes first) Electrical System Maintenance Do not install a dirty filter if it is removed from the fuel line. Electrical System Safety Note: Wipe up any spilled fuel. • Disconnect the battery or remove the spark-plug 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
Charging the Battery WARNING 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 (1.265 specific gravity) to prevent battery damage when the temperature is below 0°C (32°F). 1. Remove the battery from the chassis; refer to Removing the Battery (page 37). 2. Check the electrolyte level. 3. Ensure that the filler caps are installed on the battery. 4.
Installing the Battery Servicing the Fuses Install the battery as shown in Figure 52. The electrical system is protected by fuses. It requires no maintenance. If a fuse blows, check the component or circuit for a malfunction or short. 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Release the operator cushion from the rear of the machine.
Drive System Maintenance Note: If you are unable to achieve proper tracking by adjusting the left control rod, contact your Authorized Service Dealer. 6. Check that the machine does not creep from the neutral position with the park brakes disengaged. 7. Install the fuel tank, if you removed it. 8. Install the cushion. Adjusting the Tracking If you push both motion-control levers forward the same distance and the machine pulls to 1 side, adjust the tracking as follows. 1.
Adjusting the Caster-Pivot Bearing Servicing the Caster Wheels and Bearings Service Interval: Every 500 hours/Yearly (whichever comes first) The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, wear will be minimal. Failure to keep the bearing well lubricated causes rapid wear. A wobbly caster wheel usually indicates a worn bearing. 1.
9. 10. Tighten the locknut until the spanner bushing bottoms against the inside of the caster forks (Figure 57). 4. Check the condition of the wire-harness leads, connectors, and terminals. Clean or repair them as necessary. Grease the fitting on the caster wheel. 5. Verify that 12 V is present at the clutch connector when the you engage the PTO switch. 6. Measure the gap between the rotor and armature. If the gap is greater than 1 mm (0.
E. Using a 0.010 inch thick-feeler gauge, verify that a gap is present between the rotor and armature face on both sides of the brake pole as shown in Figure 62 and Figure 63. F. Note: Due to the way the rotor and Perform the following safety check: i. Start the engine from the operator’s position. ii. Make sure that the blades do not engage when the PTO switch is in the OFF position and the clutch is disengaged.
Cooling System Maintenance Brake Maintenance Cleaning the Air-Intake Screen Service Interval: Before each use or daily Testing the Parking Brake Before each use, test the parking brake on both a level surface and slope. Service Interval: Before each use or daily Always engage the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, adjust it.
Belt Maintenance Checking the Belts Service Interval: Every 100 hours—Check the mower-deck belt(s). Check belts for cracks, frayed edges, burn marks, wear, signs of overheating, or any other damage. The signs of a worn mower belt are squealing while the belt is rotating, blades slipping while you are cutting grass, frayed belt edges, burn marks, and cracks. Replace the mower belt if you detect any of these signs. Replacing the Mower-Deck Belt 1. Disengage the PTO and engage the parking brake. 2.
Replacing the Transmission Belt CAUTION The spring is under tension when installed and can cause personal injury. Service Interval: Every 1,000 hours—Replace the transmission belt. 1. Remove the fuel tank; refer to Removing the Fuel Tank (page 36). 2. Remove the hydraulic-reservoir cap. 3. Locate the drain plugs in the bottom of the transmission and place a drain pan under the plug (Figure 67). Wear safety glasses and be careful when removing the spring. g267274 Figure 67 1. Drain plug 4.
Controls System Maintenance Adjusting the Motion-Control Levers If the motion-control levers do not align horizontally, adjust the motion-control levers. 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Push the motion-control levers down out of the NEUTRAL-LOCK position (Figure 69). 4.
Hydraulic System Maintenance Hydraulic System Safety • Seek immediate medical attention if fluid is injected into skin. Injected fluid must be surgically removed within a few hours by a doctor. • Ensure that all hydraulic-fluid hoses and lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to the hydraulic system. • Keep your body and hands away from pinhole leaks or nozzles that eject high-pressure hydraulic fluid. g301336 Figure 71 1.
4. Remove the hydraulic-reservoir cap. 5. Locate the drain plug in the bottom of each transmission and place a drain pan under the plugs (Figure 72). Important: Use the fluid specified in Hydraulic System Specifications (page 48) or equivalent. Other fluids could cause system damage. Important: Monitor the level of fluid in the hydraulic tank so that you do not overfill it. 13. Tighten the vent plugs. 14. Install the hydraulic-tank cap. 15. Install the fuel tank. 16.
Mower Deck Maintenance Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. g006530 Figure 74 • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the blades; never straighten or weld them. 1. Cutting edge 3. Wear/slot forming 2. Curved area 4.
WARNING A blade that is bent or damaged could break apart and could critically injure you or bystanders. g000552 Figure 77 • Always replace a bent or damaged blade with a new blade. 1. Sharpen at original angle. • Do not file or create sharp notches in the edges or surfaces of the blade. 2. Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Replace the blades if they hit a solid object, or if the blade is out of balance or bent. 1.
Checking the Mower Deck Side-to-Side Height 1. Adjust the rear-tire pressure. 2. Ensure that the blades are not bent; refer to Checking for Bent Blades (page 50). 3. Position the blades side to side. 4. Measure at the B and C locations from a level surface to the cutting edge of blade tips (Figure 81). g298850 Figure 80 1. Top spindle nut 3. Blade bolt 2. Flat of the spindle shaft 3. Apply copper-based lubricant or grease to the threads of the blade bolt as needed to prevent seizing.
g031415 Figure 82 1. Top bolt 4. Side nut 2. Jam nut 5. Adjust these yokes to adjust the right side of the mower deck. 6. Adjust these yokes to adjust the left side of the mower deck. 3. Yoke 2. g001041 Figure 83 1. Measure the blade at points A and B 4. Rotate the top bolt of the yokes to adjust the height of the mower deck (Figure 82). deck; rotate the bolt counterclockwise to lower it. Tighten the jam nuts and side bolts. 4.
Adjusting the Deck-Lift Spring Note: Rotate the bolt clockwise to raise the deck; rotate the bolt counterclockwise to lower it. 3. Tighten the jam nuts and side bolts. 4. Check the front-to-rear pitch; refer to Checking the Mower Deck Front-to-Rear Pitch (page 53). Note: Adjusting the compression spring alters how much the deck floats and the amount of effort needed to lift the deck when using the height-of-cut lever.
Replacing the Grass Deflector Cleaning Cleaning under the Mower Deck WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Service Interval: Before each use or daily Before each use or daily Remove the grass buildup under the mower daily. Do not operate the machine unless you install a cover plate, a mulch plate, grass deflector, or bagger. 1.
Storage E. Important: Do not store fuel containing Storage Safety stabilizer/conditioner longer than the duration recommended by the fuel-stabilizer manufacturer. • Always shut off the machine, remove the ignition key, wait for all moving parts to stop, and allow the machine to cool before adjusting, servicing, cleaning, or storing it. Let the engine cool before storing the machine. Do not store the machine or fuel near flames or drain the fuel indoors. • • Cleaning and Storage 1. 2.
Troubleshooting Problem The engine does not start, starts hard, or fails to keep running. The engine loses power. The engine overheats. The machine does not drive. There is abnormal vibration. Possible Cause Corrective Action 1. The fuel tank is empty or the shutoff valve is closed. 1. Fill the fuel tank with fuel and open the valve 2. A spark-plug wire is loose or disconnected. 3. A spark plug is pitted, fouled, or the gap is incorrect. 4. The air cleaner is dirty. 5. Dirt is in the fuel filter.
Problem The cutting height is uneven. Possible Cause 1. Blade(s) are not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 3. The mower deck is not level. 2. Install new cutting blade(s). 3. Level the mower deck side-to-side position. 4. Adjust the front-to-rear pitch. 5. Clean the underside of the mower deck. 6. Adjust the tire pressure. 7. Contact an Authorized Service Dealer. 4. The mower deck pitch is wrong. 5. The underside of mower deck is dirty. 6.
Schematics g302050 Electrical Schematic—140-1878 (Rev.
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
