Form No. 3403-285 Rev C 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.
Introduction WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. This rotary blade, stand-on lawn mower is intended to be used by professional, hired operators, or residential homeowners.
Contents serious injury or death if you do not follow the recommended precautions. Safety ....................................................................... 4 Safe Operating Practices.................................... 4 Toro Mower Safety.............................................. 6 Slope Indicator ................................................... 8 Safety and Instructional Decals .......................... 9 Product Overview ................................................... 13 Controls .....
Safety Servicing the Fuses .......................................... 41 Drive System Maintenance .................................. 42 Adjusting the Tracking ...................................... 42 Checking the Tire Pressure............................... 42 Adjusting the Caster-Pivot Bearing ................... 43 Servicing the Caster Wheels and Bearings........................................................ 43 Removing the Clutch Shim ............................... 44 Checking the Wheel-Lug Nuts ...
Preparation • Do not change the engine governor setting or overspeed the engine. • Evaluate the terrain to determine what accessories • • • • • Stop on level ground, disengage drives, engage and attachments you need to properly and safely perform the job. Use only accessories and attachments approved by the manufacturer. Wear appropriate clothing; including safety glasses, long pants, substantial slip-resistant footwear, gloves, and hearing protection. Tie back long hair. Do not wear jewelry.
Toro Mower Safety • Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device. The following list contains safety information specific to Toro products and other safety information that you must know. • If you spill fuel on clothing, change your clothing immediately. This product is capable of amputating hands and feet and of throwing objects.
Slope Operation All slopes and ramps require extra caution. If you feel uneasy on a slope, do not mow it. • Remove obstacles such as rocks, tree limbs, etc. from the mowing area. • Watch for holes, ruts or bumps. Tall grass can hide obstacles. • Use caution near drop-offs, ditches, or embankments. The machine could suddenly turn over if a wheel goes over the edge of a cliff or ditch, or if an edge caves in. • Use extra care with grass catchers or other attachments.
Slope Indicator g011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can operate the machine on is 15 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 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
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 missing. decal93-7818 93-7818 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 115 to 149 N∙m (85 to 110 ft-lb). decal112-3858 112-3858 1. Read the Operator's Manual. 2. Read the instructions before servicing or performing maintenance. 3.
decal133-4604 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. decal131-3507 131-3507 1. Read the Operator's Manual. 2. Belt tensioner decal131-3521 131-3521 1. Height-of-cut decal131-1180 131-1180 1.
131-3528 15A 15A 10A 7.5A decal131-3528 131-3528 1. Ingition—15 A 3. Power takeoff (PTO)—10 A 4. Infocenter—7.5 A 2. Accessory port—15 A decal131-3536 131-3536 1. Battery 4. Parking brake 2. Time 5. Engine—start 3. Power takeoff (PTO) 6. Engage the handle bars. decal133-4641 133-4641 1. Warning—do not carry any passengers. decal131-3529 131-3529 1. Read the Operator's Manual for more information on maintenance intervals and procedures. decal130-1790 130-1790 1. Engage the parking brake.
decal131-3526 131-3526 1. Power takeoff (PTO)—disengaged 5. Reverse 2. Fast 3. Slow 6. Traction drive 7. Engage the handles. 4. Neutral decal131-3527 131-3527 1. Warning—read the Operator's Manual. 2. Warning—receive training before operating the machine. 5. Thrown object hazard—keep bystanders away from the machine. 6. Warning—1) Engage the parking brake, shut off the engine, and remove the key from the ignition; 2) Read the Operator's Manual before servicing or performing maintenance. 3.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine (Figure 5). g031496 Figure 4 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 5 1. Fuel cap 8. Height-of-cut lever 2. Malfunction-indicator light (MIL) 9. Height-of-cut pin 4. Engine 10. Fuel-shutoff valve 5. Controls 11. Battery 3. Parking-brake lever 10.
Specifications is running. Use these times for scheduling regular maintenance (Figure 5). Note: Specifications and design are subject to change without notice. Safety-Interlock Indicators 48-inch Mowers Symbols on the hour meter indicate with a black triangle that the interlock component is in the correct position (Figure 5).
Operation DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any fuel that spills. Carefully read all the safety instructions and decals in the safety section.
Add the correct amount of fuel stabilizer/conditioner to the fuel. DANGER In certain conditions during fueling, static electricity can be released causing a spark, which can ignite the fuel vapors. A fire or explosion from fuel can burn you and others and can damage property. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times.
Disengaging the Mower Blades (PTO) Operating the Parking Brake Figure 9 and Figure 10 show 2 ways to disengage the mower blades. 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. If the parking brake does not hold securely, adjust it; refer to Adjusting the Brakes (page 46). Pull the parking-brake lever rearward to engage it (Figure 7). Push the parking-brake lever forward to disengage it.
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. g031239 Note: You may need to repeat the cycle for starting the engine when you start it for the first time after you have filled a completely empty fuel system with fuel.
The Safety-Interlock System Shutting Off the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. CAUTION If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. Always remove the key and engage the parking brake when leaving the machine unattended. • Do not tamper with the interlock switches.
Testing the Safety-Interlock System WARNING The operator platform is heavy and may cause injury when lowering and raising the operator platform. Carefully lower or raise the operator platform, as suddenly dropping it could injure you. • Do not put your hands or fingers in the platform-pivot area when lowering or raising the operator platform. • Make sure that the platform is supported when you pull the latch pin out. • Make sure that the latch secures the platform when folding it up.
Driving Forward pin, then pull the knob out and lower the platform (Figure 18). 1. Disengage the parking brake; refer to Operating the Parking Brake (page 17). 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. g030983 Figure 19 2. Platform down Driving Forward or Backward 1. Front reference bar 4. Right control lever 2. Left control lever 5. Right control lever in the NEUTRAL-LOCK position 3.
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 17). 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.
Pushing the Machine by Hand Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. 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. The bypass valves allow you to push the machine by hand without the engine running. Important: Always push the machine by hand. Do not tow the machine, because hydraulic damage may occur. 1.
Loading the Machine WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. Use extreme caution when loading or unloading machines onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back the machine up the ramp and walk it forward down the ramp (Figure 24). • Use extreme caution when operating a machine on a ramp.
Side Discharging or Mulching the Grass This mower 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 mower, 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. 60-inch Models Only Note: Using a height-of-cut under 51 mm (2 inches) increases the wear on the mower-deck belt. Use a height-of-cut that is greater than 51 mm (2 inches) whenever possible. Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. 1.
Adjusting the Flow Baffle Positioning the Flow Baffle You can adjust the mower-discharge flow for different types of mowing conditions. Position the cam lock and baffle to provide the best quality of cut. The following figures are only for recommended use. Adjustments vary by grass type, moisture content, and the height of the grass. 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake.
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. Note: Contact an Authorized Service Dealer to order a weight kit. WARNING Excessive weight changes can affect the handling and operation of the machine.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. • Check the hydraulic-fluid level. After the first 50 hours • Change the hydraulic filters and hydraulic fluid. After the first 100 hours • Check the wheel-lug nuts. • Check the wheel-hub nuts.
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. Set the wires aside so that they do not accidentally contact the spark plugs. Pre-Maintenance Procedures Lubrication Releasing the Cushion for Rear Access Grease with No. 2 lithium or molybdenum grease. 1.
Greasing the Front Caster Pivots 6. Pack the bearings with a general-purpose grease. 7. Insert 1 bearing and 1 new seal into the wheel. Service Interval: Yearly 1. Note: You must replace the seals. Remove the dust cap and adjust the caster pivots; refer to Adjusting the Caster-Pivot Bearing (page 43). 8. finished greasing the caster pivots.
Engine Maintenance Greasing the Motion Controls Servicing the Air Cleaner Service Interval: Yearly Service Interval: Every 150 hours Grease the operator-presence-control balljoint and the motion-control bushing for both levers. Every 300 hours/Yearly (whichever comes first)—Replace the primary air filter (more often in dusty or sandy conditions). Note: Use an oil drip between the lever brackets to grease the bushing, located in the pivot tube. Every 300 hours—Check the inner air filter.
Installing the Filters Note: Avoid knocking the filter into the side of the body. 9. Important: To prevent engine damage, always Remove the safety filter only if you intend to replace it. operate the engine with both air filters and the cover installed. 1. If installing new filters, check each filter for shipping damage. Note: Do not use a damaged filter. 2. If you are replacing the safety filter, carefully slide it into the filter body (Figure 37). 3.
Checking the Engine-Oil Level Service Interval: Before each use or daily Note: Check the oil when the engine is cold. WARNING Contact with hot surfaces may cause personal injury. g031514 Keep your hands, feet, face, clothing and other body parts away the muffler and other hot surfaces. Important: Do not overfill the crankcase with oil because damage to the engine may result. Do not run engine with oil below the low mark because the engine may be damaged. 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 g027660 Figure 41 g027660 Figure 40 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 41). 35 6.
Changing the Engine-Oil Filter Servicing the Spark Plug Service Interval: Every 200 hours Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine-Oil Filter (page 36). 2. Change the engine-oil filter (Figure 42).
Checking the Spark Plug Checking the Spark Arrester 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. If Equipped Service Interval: Every 50 hours 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. WARNING Hot exhaust-system components may ignite gasoline vapors even after the engine is stopped.
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 38). You can also drain the fuel tank by using a siphon in the following procedure. DANGER In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. g031516 Figure 46 • Drain gasoline from the fuel tank when the engine is cold.
Servicing the Fuel Filter Electrical System Maintenance Replacing the Fuel Filter Service Interval: Every 800 hours/Yearly (whichever comes first) Servicing the Battery Do not install a dirty filter if it is removed from the fuel line. Service Interval: Every 100 hours Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of 4 parts water and 1 part baking soda.
Installing the Battery WARNING Incorrect battery-cable routing could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Install the battery as shown in Figure 50. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. • Always connect the positive (red) battery cable before connecting the negative (black) cable. 1. Disengage the PTO and set the parking brake. 2.
Charging the Battery Servicing the Fuses 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. 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.
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. Note: Determine the left and right sides of the 7. Install the fuel tank, if you removed it. machine from the normal operating position. 8. Install the cushion. Adjusting the Tracking 1. Push both control levers forward the same distance. 2.
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 56). 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. Note: If the clutch does not engage properly, refer to Troubleshooting (page 59). 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 61 and Figure 62. Checking the Wheel-Lug Nuts Note: Due to the way the rotor and armature faces wear (peaks and valleys), it is sometimes difficult to measure the true gap. Service Interval: After the first 100 hours—Check the wheel-lug nuts.
Cooling System Maintenance Brake Maintenance Cleaning the Air-Intake Screen Before each use, check the brakes on a level surface and slope. Servicing the Brake Always set the parking brake when you stop the machine or leave it unattended. Service Interval: Before each use or daily Important: If the parking brake does not hold securely, adjust it.
Belt Maintenance Replacing the Transmission Belt Replacing the Mower-Deck Belt Service Interval: Every 1,000 hours—Replace the transmission belt. Service Interval: Every 100 hours—Check the mower-deck belt. Signs of a worn belt include squeaking when the belt is rotating, a slipping blade when cutting grass, a frayed belt edge, burn marks, and cracks. Replace the deck belt if any of these conditions are evident. 1. Disengage the PTO and set the parking brake. 2.
Controls System Maintenance CAUTION The spring is under tension when installed and can cause personal injury. Wear safety glasses and be careful when removing the spring. 7. Remove the deck belt from the clutch and clutch stop (Figure 67). 8. Install the new belt. 9. Install the tension spring and lower hydraulic hose. 10. Install the drain plugs and torque to 22 to 27 N∙m (16 to 20 ft-lb). 11. Add hydraulic fluid to the fill level. 12. 13.
Hydraulic System Maintenance Hydraulic System Specifications Hydraulic Fluid Type: Toro® HYPR-OIL™ 500 hydraulic fluid Hydraulic System Fluid Capacity: 4.7 L (159 fl oz) g031538 Important: Use the fluid specified. Other fluids Figure 69 1. Cam 8. could damage the system. 2. Nut Checking the Hydraulic Fluid Adjust the cam until it aligns with the left motion-control lever and tighten the nut for the cam.
6. Add fluid to the reservoir until it reaches the fill level. 7. Install the cap on the filler neck. Replacing the Hydraulic Fluid and Filters Service Interval: After the first 50 hours Every 500 hours/Yearly (whichever comes first)—Change the hydraulic filters and hydraulic fluid. WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
10. Install the drain plugs and torque to 22 to 27 N∙m (16 to 20 ft-lb). 11. Loosen the vent plug in each transmission so that it is loose and wobbles (Figure 72). Bleeding the Hydraulic System The traction system is self-bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. Note: This allows air to escape the hydraulic system as you add hydraulic fluid. 1. Disengage the PTO and set the parking brake. 2.
Mower Deck Maintenance Checking for Bent Blades 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. Servicing the Cutting Blades 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 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. 3.
Removing the Blades 2. Replace the blades if they hit a solid object, if a blade is out of balance, or if a blade is bent. 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. 1. 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.
Leveling the Mower Deck 5. The difference between measurements B and C should be no more than 6 mm (1/4 inch). Note: If it is not correct, refer to Leveling the Preparing the Machine Mower Deck from Side to Side (page 54). Ensure that the mower deck is level any time you install the mower deck or when you see an uneven cut on your lawn. Leveling the Mower Deck from Side to Side Level the mower deck side to side before adjusting the front-to-rear slope. 1.
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. Check the front-to-rear pitch; refer to Checking the Mower Deck Front-to-Rear Pitch (page 54). Matching the Height-of-Cut 1. Check the rear tire pressure. 2. Set the height-of-cut to the 7.6 cm (3 inches) position; refer to Adjusting the Height-of-Cut (page 26). 3.
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 Cleaning and Storage Service Interval: Before each use or daily 1. Disengage the power takeoff (PTO), set the parking brake, turn the ignition key to off, and remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Remove the grass buildup under the mower daily. 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position and set the parking brake. 2.
cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). 11. Check and tighten all of the bolts, nuts, and screws. Repair or replace any part that is damaged or defective. 12. Paint all of the 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 store it in a memorable place. Cover the machine to protect it and keep it clean.
Troubleshooting Problem The engine does not start, starts hard, or fails to keep running. The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The fuel tank is empty or the shutoff valve is closed. 1. Fill the fuel tank with fuel and open the valve 2. The choke control is not engaged. 3. A spark-plug wire is loose or disconnected. 4. A spark plug is pitted, fouled, or the gap is incorrect. 5. The air cleaner is dirty. 6. Dirt is in the fuel filter. 7.
Problem There is abnormal vibration. The cutting height is uneven. Possible Cause 1. Cutting blade(s) is/are bent or unbalanced. 1. Install new cutting blade(s). 2. A blade-mounting bolt is loose. 3. Engine mounting bolts are loose. 4. An engine pulley, idler pulley, or blade pulley is loose. 5. An engine pulley is damaged. 6. A blade spindle is bent. 2. Tighten the blade mounting bolt. 3. Tighten the engine mounting bolts. 4. Tighten the appropriate pulley. 5. Contact an Authorized Service Dealer. 6.
Schematics g233853 Electrical Schematic (Rev.
Notes:
Notes:
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
