Form No. 3425-452 Rev A GrandStand® Mower With 48in, 52in, or 60in TURBO FORCE® Cutting Unit Model No. Model No. Model No. Model No. Register at www.Toro.com. Original Instructions (EN) 74513—Serial No. 74518—Serial No. 74519—Serial No. 79518—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 Removing the Fuel Tank ................................... 35 Replacing the Fuel Filter ................................... 35 Electrical System Maintenance ........................... 36 Electrical System Safety ................................... 36 Servicing the Battery......................................... 36 Servicing the Fuses .......................................... 38 Drive System Maintenance .................................. 38 Adjusting the Tracking ................................
Safety • Keep clear of the discharge opening. • 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. General Safety • Stop the machine, shut off the engine, and remove the ignition key before servicing, fueling, or unclogging the machine.
decal112-3858 112-3858 1. Read the Operator's Manual. 2. Read the instructions before servicing or performing maintenance. 3. Remove the ignition key before adjusting the height of cut. 4. Height-of-cut settings. decal131-1180 131-1180 1. Read the Operator's Manual. 2. Short, light grass; dry conditions decal116-8775 116-8775 1. Read the Operator’s Manual. 2. 3. Bagging setting 4. Tall, dense grass; wet conditions Warning—fill to the bottom of the filler neck; do not overfill the tank.
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 3. Fluid level 1. Read the Operator's Manual. 2. Transmission fluid 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. Power takeoff (PTO) 6.
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 baffle—only operate the machine with a baffle 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. Fast 3.
decal136-5438 136-5438 1. Warning—read the Operator's Manual. 6. Thrown object hazard—keep bystanders away from the machine. 7. Warning—engage the parking brake, shut off the engine, and remove the key from the switch before leaving the machine. 2. Warning—receive training before operating the machine. 3. Warning—hearing protection must be worn. 8.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine (Figure 4). Control Panel g031496 Figure 3 1. Anti-scalp roller (60-inch decks only) 7. Hydraulic tank 2. Front caster wheel 3. Side-discharge chute 8. Fuel tank 9. Platform (down position) g031505 Figure 4 4. Engine 10. Fuel-shutoff valve 5. Controls 11. Battery 1. Fuel cap 8. Height-of-cut lever 6. Control levers 12. Mower deck 2. Malfunction-indicator light (MIL) 9.
Power-Takeoff Switch (PTO) Motion-Control Levers Use the power-takeoff switch (PTO) to engage and disengage mower blades or start and stop powered attachments (Figure 4); refer to Operating the Mower-Blade-Control Switch (PTO) (page 15). Use the motion-control levers to drive the machine forward, reverse, and turn either direction (Figure 4). Hour Meter Close the fuel-shutoff valve when transporting or storing the machine; refer to Using the Fuel-Shutoff Valve (page 22).
Specifications Operation Note: Specifications and design are subject to Before Operation change without notice.
• • • • • • • • Using Stabilizer/Conditioner – Store fuel in an approved container and keep it out of the reach of children. Fuel is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness. – Avoid prolonged breathing of vapors. – Keep your hands and face away from the nozzle and the fuel-tank opening. – Keep fuel away from your eyes and skin.
Breaking in a New Machine Testing the Safety-Interlock System New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance. Service Interval: Before each use or daily Test the safety-interlock system before you use the machine each time.
During Operation • Disengage the cutting unit and shut off the engine During Operation Safety • General Safety • • • The owner/operator can prevent and is responsible for accidents that may cause personal injury or property damage. • Wear appropriate clothing, including eye protection; long pants; substantial, slip-resistant footwear; and hearing protection. Tie back long hair and do not wear loose clothing or loose jewelry. • Use your full attention while operating the • machine.
Operating the Mower-Blade-Control Switch (PTO) distance (twice the width of the machine) between the machine and any hazard. Use a walk-behind machine or a handheld tool to operate in these areas. • Avoid starting, stopping, or turning the machine on slopes. Avoid making sudden changes in speed or direction; turn slowly and gradually. Use the blade-control switch (PTO) in conjunction with the motion-control levers to engage and disengage the mower blades.
Operating the Throttle Starting the Engine You can move the throttle control between FAST and SLOW positions (Figure 12). 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. Always use the FAST position when engaging the PTO.
Shutting Off the Engine 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. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. • Do not put your hands or fingers in the platform-pivot area when lowering or raising the operator platform.
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 17 1. Platform up 3. Pull the knob out to release the platform. 2. Platform down g030983 Figure 18 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.
Stopping the Machine To stop the machine, move the motion-control levers to neutral, then move the right motion-control lever into the NEUTRAL-LOCK position, disengage the power takeoff (PTO), and turn the key to the OFF position. Engage the parking brake when you leave the machine; refer to Operating the Parking Brake (page 15). Remember to remove the key from the switch. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended.
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 25). g012676 Figure 23 2. Nut 1. Slot g012678 Figure 25 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 26). 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 Using the Fuel-Shutoff Valve • Install weights to improve balance. You can add or remove weights to create optimized performance under different operating conditions and for your preference. Close the fuel-shutoff valve for transport, maintenance, and storage (Figure 27). • Add or remove weights 1 at a time until you Ensure that the fuel-shutoff valve is open when starting the engine. achieve the desired handling and balance.
Pushing the Machine by Hand 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 30 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 31). Refer to local regulations for tie-down requirements. g229507 Figure 29 1. Full-width ramp in stowed position 3. H=height of the trailer or truck bed to the ground 2.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety • Never tamper with safety devices. Check their • Before adjusting, cleaning, servicing, or leaving • • • • • the machine, do the following: – Park the machine on a level surface. – Disengage the drives. – Engage the parking brake. – Shut off the engine and remove the ignition key. – Wait for all moving parts to stop.
Maintenance Service Interval Maintenance Procedure Every 300 hours • Replace the primary air filter (more often in dirty or dusty conditions). • Check the inner air filter (more often in dirty or dusty conditions). Every 500 hours • Adjust the caster-pivot bearing. • Check the hydraulic-fluid level. • Change the hydraulic filters and hydraulic fluid. Every 600 hours • Replace the inner air filter (more often in dirty or dusty conditions). Every 800 hours • Replace the fuel filter.
Lubrication Greasing the Front Caster Pivots Greasing the Machine Service Interval: Yearly 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. Grease type: Lithium or molybdenum grease 1. Remove the dust cap and adjust the caster pivots; refer to Adjusting the Caster-Pivot Bearing (page 39).
Greasing the Motion Controls Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly. 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. Service Interval: Yearly Grease the operator-presence-control balljoint and the motion-control bushing for both levers.
Engine Maintenance Engine Safety • Shut off the engine before checking the oil or adding oil to the crankcase. • Keep your hands, feet, face, clothing, and other body parts away from the muffler and other hot surfaces. Servicing the Air Cleaner g012996 Figure 36 Service Interval: Every 150 hours Every 300 hours/Yearly (whichever comes first)—Replace the primary air filter (more often in dirty or dusty conditions). 1. Air-inlet cover 3. Air-cleaner body 2. Air-inlet screen 4.
Inspecting the Filters 1. Servicing the Engine Oil Inspect the safety filter. If it is dirty, replace both the safety and primary filters. Engine-Oil Specifications Important: Do not attempt to clean the Oil Type: Detergent oil (API service SJ or higher) safety filter. If the safety filter is dirty, then the primary filter is damaged. 2. Oil Capacity: 1.65 L (56 fl oz) with the filter; 1.
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. Change the engine oil as shown in Figure 40. g031514 g031514 g027660 Figure 40 g027659 Figure 39 5. 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.
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 31). 2. Change the engine-oil filter (Figure 42). g031515 g027660 Figure 41 6. Start the engine and drive to a flat area. 7. Check the oil level again.
Servicing the Spark Plug Checking the Spark Plug Service Interval: Every 200 hours Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has a black coating, worn electrodes, an oily film, or cracks. Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means the air cleaner is dirty.
Checking the Spark Arrester Fuel System Maintenance For Machines with a Spark Arrester Draining the Fuel Tank Service Interval: Every 50 hours 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. WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine.
Replacing the Fuel Filter Service Interval: Every 800 hours/Yearly (whichever comes first) Do not install a dirty filter if it is removed from the fuel line. Note: Wipe up any spilled fuel. g031516 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. Close the fuel-shutoff valve; refer to Using the Fuel-Shutoff Valve (page 22). 4.
Electrical System Maintenance Electrical System Safety • Disconnect the battery or remove the spark-plug wire before making any repairs. Disconnect the negative terminal first and the positive terminal last. Connect the positive terminal first and negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames. Unplug the charger before connecting or disconnecting the battery. Wear protective clothing and use insulated tools.
Installing the Battery Charging the Battery Install the battery as shown in Figure 51. 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 36). 2. Check the electrolyte level. 3.
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. Pull out the fuse to remove or replace it (Figure 52). 3. Install the cushion to the rear of the machine.
tracking by adjusting the left control rod, contact your Authorized Service Dealer. Adjusting the Caster-Pivot Bearing 6. Check that the machine does not creep from the neutral position with the park brakes disengaged. Service Interval: Every 500 hours/Yearly (whichever comes first) 7. Install the fuel tank, if you removed it. 8. Install the cushion. Note: If you are unable to achieve proper 1.
1. Removing the Clutch Shim Remove the locknut and wheel bolt holding the caster wheel to the caster fork (Figure 56). Service Interval: Every 100 hours When the clutch brake has worn to the point where the clutch no longer engages consistently, you can remove the shim to extend the clutch life (Figure 57). g010869 g009453 Figure 57 Figure 56 1. Locknut 4. Roller bearing 1. Armature 5. Brake spacer 2. Bushing 5. Caster wheel 3. Spanner bushing 6. Wheel bolt 2. Field shell 3. Rotor 6. Shim.
6. is sometimes difficult to measure the true gap. Measure the gap between the rotor and armature. If the gap is greater than 1 mm (0.04 inch), proceed with the following steps: A. Loosen both brake mounting bolts 1/2 to 1 full turn as shown in Figure 59. Note: Do not remove the brake pole from the field shell/armature. The brake pole has worn to match the armature and needs to continue to match after you remove the shim to ensure the proper brake torque. g010872 Figure 61 1.
Checking the Wheel-Lug Nuts Cooling System Maintenance Service Interval: After the first 100 hours—Check the wheel-lug nuts. Cleaning the Air-Intake Screen Check and torque the wheel-lug nuts to 115 to 142 N∙m (85 to 105 ft-lb). Service Interval: Before each use or daily Before each use, remove any buildup of grass, dirt, or other debris from the cylinder and cylinder-head cooling fins, air-intake screen on the flywheel end, and the carburetor-governor levers and linkage.
Brake Maintenance Belt Maintenance Testing the Parking Brake Checking the Belts Service Interval: Before each use or daily Service Interval: Every 100 hours—Check the mower-deck belt(s). Before each use, test the parking brake on both a level surface and slope. Check belts for cracks, frayed edges, burn marks, wear, signs of overheating, or any other damage. Always engage the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, adjust it. 1.
g032680 Figure 66 1. Drain plug 4. Allow the hydraulic fluid to drain from the machine. 5. Remove the lower hydraulic hose (Figure 67). g031344 Figure 65 g031345 Figure 67 1. Lower hydraulic hose Replacing the Transmission Belt 6. Service Interval: Every 1,000 hours—Replace the transmission belt. 1. Remove the fuel tank; refer to Removing the Fuel Tank (page 35). 2. Remove the hydraulic-reservoir cap. 3.
13. Controls System Maintenance Run the machine for 10 minutes and verify that the hydraulic fluid is at the correct level. 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.
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. g031538 Figure 69 1. Cam 2. Nut • Keep your body and hands away from pinhole 7.
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 71). g031401 Figure 70 g032671 1. Hydraulic-tank cap Figure 71 2. Fill level 1. Drain plug 4. 2. Hydraulic filter Remove the cap from the filler neck (Figure 70). Note: Look inside to check the fluid level in the reservoir. 5. Add fluid to the reservoir until it reaches the reaches the minimum cold fill level. 6. Install the cap on the filler neck.
Important: Use the fluid specified in Hydraulic System Specifications (page 46) or equivalent. Other fluids could cause system damage. Mower Deck Maintenance Important: Monitor the level of fluid in the Servicing the Cutting Blades 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. Start the engine and let it run for about 2 minutes to purge air from the system. 17.
WARNING A blade that is bent or damaged could break apart and could critically injure you or bystanders. • Always replace a bent or damaged blade with a new blade. • Do not file or create sharp notches in the edges or surfaces of the blade. g006530 Figure 73 1. Cutting edge 3. Wear/slot forming 2. Curved area 4. Crack Removing the Blades Replace the if a blade hits a solid object, is out of balance, or is bent.
g000552 Figure 76 1. Sharpen at original angle. 2. Check the balance of the blade by putting it on a blade balancer (Figure 77). Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 76). g004536 Figure 78 g000553 1. Sail area of the blade 3. Spring disk 2. Blade 4. Blade bolt Figure 77 1. Blade 2. Balancer Leveling the Mower Deck 3.
4. Measure at the B and C locations from a level surface to the cutting edge of blade tips (Figure 79). 2. Rotate the top bolt of the yokes to adjust the height of the mower deck (Figure 80). Note: Rotate the bolts clockwise to raise the deck; rotate the bolt counterclockwise to lower it. 3. Tighten the jam nuts and side bolts. 4. Check the side-to-side height; refer to Checking the Mower Deck Side-to-Side Height (page 50). Checking the Mower Deck Front-to-Rear Pitch 1.
g000975 Figure 83 g031519 1. Measure from a level surface Figure 82 1. Top bolt 4. Side nut 2. Jam nut 5. Adjust these yokes to adjust the front side of the mower deck. 6. Adjust these yokes to adjust the rear side of the mower deck. 3. Yoke 2. Rotate the top bolt of the yokes to adjust the height of the mower deck (Figure 82). 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.
Adjusting the Deck-Lift Spring Replacing the Grass Deflector Note: Adjusting the compression spring alters how WARNING much the deck floats and the amount of effort needed to lift the deck when using the height-of-cut lever. 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. • More spring compression reduces the lever lift force required and causes the deck to float more.
Cleaning Storage Cleaning under the Mower Deck Storage Safety • Let the engine cool before storing the machine. • Do not store the machine or fuel near flames or drain the fuel indoors. Service Interval: Before each use or daily Before each use or daily Cleaning and Storage Remove the grass buildup under the mower daily. 1. Park the machine on a level surface, disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2.
Important: Do not store fuel containing stabilizer/conditioner longer than the duration recommended by the fuel-stabilizer manufacturer. 10. Remove the spark plug(s) and check its condition; refer to Servicing the Spark Plug (page 33). 11. With the spark plug(s) removed from the engine, pour 15 ml (2 tablespoons) of engine oil into the spark-plug hole, and use the starter to crank the engine and distribute the oil inside the cylinder. 12.
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 g233853 Electrical Schematic (Rev.
Notes:
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.
