Form No. 3374-389 Rev A GrandStand® Mower With 48in, 52in or 60in TURBO FORCE® Cutting Unit Model No. 74549—Serial No. 313000001 and Up Model No. 74553—Serial No. 313000001 and Up Model No. 74578—Serial No. 313000001 and Up Model No. 79548—Serial No. 313000001 and Up Model No. 79549—Serial No. 313000001 and Up Model No. 79553—Serial No. 313000001 and Up Register at www.Toro.com.
Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service 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. WARNING CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Contents Servicing the Battery...............................................37 Servicing the Fuses .................................................39 Drive System Maintenance .........................................39 Adjusting the Tracking ...........................................39 Checking the Tire Pressure ......................................40 Adjusting the Caster Pivot Bearing ............................41 Servicing the Caster Wheel and Bearings ....................
Operation Safety • Lightning can cause severe injury or death. If lightning Note: The addition of attachments made by other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine. • • Improper use or maintenance by the operator or owner can result in injury.
Safe handling of fuels • Keep hands and feet away from moving parts. If possible, do not make adjustments with the engine running. • To avoid personal injury or property damage, use • • • • • • • • • • • extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Extinguish all cigarettes, cigars, pipes, and other sources of ignition. Use only an approved fuel container. Never remove fuel cap or add fuel with the engine running. Allow engine to cool before refueling.
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 2 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. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3. Example of how to compare slope with folded edge.
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 machine manufacturer. 93-7818 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 85-110 ft-lb (115-149 N-m). 1. Cable adjustment lock for traction drive speed.
116-3290 115-4186 1. Interval 2. Power Take-off (PTO) 3. Parking brake 4. Neutral 5. Operator presence switch 6. Battery 117-0456 1. Height of cut (HOC)—high 3. Height of cut (HOC)—low 2. Height of cut (HOC)—medium 115-4212 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator's Manual. 119-0217 1. Warning—stop the engine; stay away from moving parts; keep all guards and shields in place.
121–5972 1. Read the Operator’s Manual before servicing or performing maintenance. 120-6412 1. Belt tension adjustment; read the Operator's Manual for more information. 121–6049 1. Thrown object hazard—keep bystanders away from the machine. 120-6424 1. Cutting/dismemberment hazard, hand—disengage the power take-off (PTO), stop the engine and watch for all moving parts to stop. 3. Cutting/dismemberment hazard of hand or foot, mower blade—keep hands away from moving parts. 2.
9-8727 1. Traction control 3. Slow 5. Reverse 2. Fast 4. Neutral 6. Power Take-off (PTO)—disengage 7. Operator presence switch 120-6464 1. Parking brake—engage 3. Power Take-off (PTO)—engage 5. Engine speed 7. Continuous variable setting 2. Parking brake—disengage 4. Power Take-off (PTO)—disengage 6. Fast 8.
Product Overview 3 4 5 6 7 8 9 2 1 10 12 11 g018323 Figure 4 60 inch machine G015229 Figure 3 48 inch (shown) and 52 inch machines 1. Side discharge chute 7. Control levers 2. Battery 8. Manual tube 3. Engine 9. Platform (down position) 7. Control levers 8. Manual tube 3. Engine 9. Platform (down position) 4. Fuel shut-off valve (behind 10. Hydraulic tank cushion) 5. Fuel tank 6. Controls 4. Fuel shut-off valve (behind 10. Hydraulic tank cushion) 5. Fuel tank 6. Controls 1.
Controls 1 2 3 4 5 6 Become familiar with all the controls (Figure 5) before you start the engine and operate the machine. 5 4 3 6 7 7 8 13 8 12 11 13 12 10 9 9 g015396 Figure 6 60 inch machine 11 10 1. Parking brake lever g015230 Figure 5 48 inch and 52 inch machines 1. Parking brake lever 8. Height-of-cut pin 2. Choke 3. Hour meter 4. Ignition switch 9. Platform latch 10. Throttle control 11. Right motion control lever 5. Fuel gauge 12. Blade control switch (PTO) 6.
Specifications Note: Specifications and design are subject to change without notice. 48 inch mowers: Figure 7 1. Safety interlock symbols 3. Hour meter 2. Battery light Width with deflector down 63.5 inches (161.3 cm) Width with deflector raised 49.5 inches (125.7 cm) Length with platform down 74 inches (188 cm) Length with platform up 59 inches (149.9 cm) Height 48 inches (121.9 cm) Weight for model 74578 897 lbs (406.9 kg) Weight for model 79548 903 lbs (409.
Operation DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. • Always place gasoline containers on the ground away from your vehicle before filling.
Breaking In a New Machine of varnish deposits in the fuel system, use fuel stabilizer at all times. 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. Filling the Fuel Tank Note: Do not fill the fuel tank completely full. Fill the fuel tank to the bottom of the filler neck.
G009174 Figure 11 Figure 9 1. Parking brake engaged 2. Parking brake released Operating the Throttle The throttle control can be moved between Fast and Slow positions (Figure 12). Releasing the Parking Brake Pull the brake lever back and over into the slot and push the parking brake lever forward. Always use the fast position when turning on the mower deck with the blade control switch (PTO).
Ensure the fuel shut-off valve is open when starting the engine. 1 g015365 1 2 2 G008959 Figure 13 1. On 2. Off G008948 Figure 15 Operating the Ignition Switch 1. On 1. Turn the ignition key to the Start position (Figure 14). When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor. 2.
Let the engine idle at slow throttle (turtle) for 60 seconds before turning the ignition switch off. Figure 16 7. Turn the ignition key to the Start position (Figure 14). When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor.
control switch (PTO) and release. The clutch should engage and the mower blades begin rotating. The safety interlock system is designed to stop the mower blades if you move or release the right side motion control lever into the neutral lock position. 11. Push the blade control switch (PTO) down to the off position. The blades should stop rotating. The hour meter has symbols to notify the user when the interlock component is in the correct position.
Driving Forward • Mowing most areas • Driving across slopes 1. Release the parking brake; refer to Releasing the Parking Brake in Operation. • Driving down slopes 2. Move the right side motion control lever to the center, un-locked position. To lower the platform, push the platform forward against the cushion to release pressure on the latch pin and then pull the knob out and lower the platform. 1 2 3 4 3 5 4 G015234 Figure 21 1. Front reference bar 4. Right control lever 2.
Set the parking brake when you leave the machine; refer to Setting the Parking Brake in Operation. Remember to remove the key from the ignition switch. CAUTION Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes.
2. Open the by-pass valve on both pumps by turning them counter clockwise 1 to 2 turns. This allows hydraulic fluid to by-pass the pumps and the wheels to turn (Figure 25). Note: Rotate the by-pass valves a maximum of 2 turns so the valve does not come out of the body causing fluid to run out. G015235 Figure 26 1. Traction unit tie down loop Loading Machines Use extreme caution when loading units on trailers or trucks.
WARNING DANGER Loading a unit onto a trailer or truck increases the possibility of backward tip-over and could cause serious injury or death. 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 will cause injury or death. • Use extreme caution when operating a unit on a ramp.
Adjusting the Anti-Scalp Rollers (60 inch Mower Decks Only) 1 2 Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g012676 3.
WARNING Excessive weight changes can effect handling and operation of the machine. This could cause serious injury to you or bystanders. Make weight changes is small increments only. Evaluate the mower after each weight change to ensure the machine can be operated safely. G012678 Figure 32 Position C This is the full open position. The suggested use for this position is as follows (Figure 33). • • • • Use in tall, dense grass mowing conditions. Use in wet conditions.
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. • Change the hydraulic filter. Before each use or daily • • • • • • • Check the safety interlock system. Check the engine oil level. Clean the air intake screen. Clean debris from the hydraulic oil cooler (if equiped).
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. Premaintenance Procedures Raising the Mower for Access The front of the mower can be raised and supported on its back for access under the machine for maintenance. 1.
Figure 36 1. Remove battery g019209 2. With two people, lift the front end of the mower (ensure the platform is up) Figure 37 1. Plastic bushing with large washer 2. Cushion bracket with key hole Release the Cushion for Rear Access The cushion can be released for rear access to the machine for maintenance or adjustment. 1. Lower the platform. 2. Remove the hairpin cotter pins on each side of the cushion. 3. Slide the large washers with plastic bushings to the inside. 4.
Lubrication Grease with No. 2 general purpose lithium base or molybdenum base grease. How to Grease 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Clean the grease fittings with a rag. Make sure to scrape any paint off the front of the fitting(s). 4. Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings. g018325 Figure 39 5.
tire should not spin freely (more than 1 or 2 revolutions) or have any side play. If the wheel spins freely, adjust torque on spacer nut until there is a slight amount of drag. Reapply thread locking adhesive. 1. Stop the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Figure 41 1. Seal guard 2. Spacer nut with wrench flats 2. Remove the caster wheel from the caster forks. 3. Remove the seal guards from the wheel hub. 4.
Engine Maintenance 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it is torn or worn. Servicing the Air Cleaner Servicing the Paper Air Cleaner Element Service Interval/Specification Inspect the foam and paper elements and replace them if they are damaged or excessively dirty. Service Interval: Every 50 hours—Check the paper air cleaner element.
g015238 1 2 3 4 6 7 8 9 Figure 43 Checking the Engine Oil Level 5 Note: Check the oil when the engine is cold. WARNING Contact with hot surfaces may cause personal injury. Keep 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.
1 2 3 4 5 6 g015238 G008796 Figure 46 5. Start the engine and drive to a flat area. Check the engine oil level. Changing the Engine Oil Filter 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. 2. Place a rag under the oil filter to soak up any spilled oil. Important: Spilled oil may drain under the engine and onto the clutch.
Removing the Spark Plug 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g015238 1 2 g015238 3 4 Figure 48 5 6 Checking the Spark Plug Important: Never clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks.
Installing the Spark Plug Fuel System Maintenance Tighten the spark plug(s) to 16 ft.-lb (22 N-m). 2 1 Draining the Fuel Tank Note: There is no other recommended way to drain fuel from the tank, other than using a syphon pump. A syphon pump can be purchased at a hardware store. DANGER 3 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.
Servicing the Fuel Filter Replacing the Fuel Filter Electrical System Maintenance Service Interval: Every 800 hours/Yearly (whichever comes first) Servicing the Battery Never install a dirty filter if it is removed from the fuel line. Service Interval: Every 100 hours Note: Note how the fuel filter is installed in order to install the new filter correctly. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case.
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. • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. • Always Reconnect the positive (red) battery cable before reconnecting the negative (black) cable. 1. Disengage the PTO and set the parking brake. 2.
Drive System Maintenance Adjusting the Tracking Note: Determine the left and right sides of the machine from the normal operating position. 1. Push both control levers forward the same distance. Figure 54 1. Positive Battery Post 3. Red (+) Charger Lead 2. Check if the machine pulls to one side. If it does, stop the machine and set the parking brake. 2. Negative Battery Post 4. Black (-) Charger Lead 3. Release the cushion from the rear of the machine. 4.
3 4. If adjustment is needed, loosen the jam nut and adjust the bolt to the correct distance. Tighten the jam nut after adjusting the bolt (Figure 58). 5. Test the safety interlock system before operation. 1 6 2 3 4 g017848 Figure 57 1. Left cable adjustment 3. Right cable adjustment 2. Cable lock 7. Check for proper tracking. 6 Note: If the machine will not start after adjusting the tracking, make sure proximity switch target aligns with bolt attached to motion control lever.
Figure 59 Adjusting the Caster Pivot Bearing Figure 60 1. Spring Washers Service Interval: Every 500 hours/Yearly (whichever comes first) 3. Dust Cap 2. Lock Nut 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position and set the parking brake. Servicing the Caster Wheel and Bearings 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
Cooling System Maintenance 2. Remove one bushing, then pull the spanner bushing and roller bearing out of the wheel hub (Figure 61). 3. Remove the other bushing from the wheel hub and clean any grease and dirt from the wheel hub (Figure 61). Cleaning the Air Intake Screen 4. Inspect the roller bearing, bushings, spanner bushing and inside of the wheel hub for wear. Replace any defective or worn parts (Figure 61).
Note: High pressure and over-speeding the fan may cause fan failure. Use care with compressed air to avoid over-speeding the electric fan. Never direct a pressure washer on the electric fan. Brake Maintenance Servicing the Hydraulic Oil Cooler (52 and 60 inch Mower Models Only) Before each use, check brakes on both a level surface and slope. Servicing the Brake Always set the parking brake when you stop the machine or leave it unattended.
7. Rotate the yoke. To tighten the brake, rotate the yoke up. To loosen the brake, rotate the yoke down (Figure 66). 1 2 8. Secure the yoke to lower brake lever with the hair pin cotter pin and clevis pin (Figure 66). 9. Tighten the jam nut (Figure 66). 10. Check the brake operation again; refer to Checking the Brake. 4 1 3 4 5 5 6 6 g015371 Figure 66 1. Jam Nut 4. Hairpin cotter pin 2. Yoke 3. Clevis pin 5. Flat washer 6. Lower brake lever 11.
Belt Maintenance 1 2 Replacing the Mower Deck Belt 3 Service Interval: Every 100 hours—Check the mower deck belt. Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 5 2 3.
G015595 6 5 g017890 Figure 68 48 and 52 inch mower decks Figure 69 60 inch mower decks 4. Ratchet 1. 6-1/2 inches (165 mm) from hook to hook 2. Spring 5. Square hole for ratchet 3. Spring loaded idler 6. Nut 1. 6-1/2 inches (165 mm) from hook to hook 2. Spring 4. Ratchet 3. Spring loaded idler 6. Nut 5. Square hole for ratchet Replacing the Pump Drive Belt Service Interval: Every 100 hours—Check the pump drive belt. 1. Disengage the PTO and set the parking brake. 2.
Controls System Maintenance 6 Adjusting the Motion Control Handle Positions Adjusting the Right Side Motion Control Lever If the motion control levers do not align horizontally, adjust the right side motion control lever. Note: Adjust the horizontal alignment before the front to back alignment. 1 1. Disengage the PTO, move the right side motion control lever to the neutral position and set the parking brake. 2.
1 2 3 g015372 Figure 72 1. Switch screws 2. Cam 3. Nut and bolt 9. After the cam is adjusted, the lever switch needs to be checked. 2 10. Check the gap between the control lever and switch as shown in Figure 73. The gap needs to be an 1/8 inch (3mm) with the right motion control lever in the neutral, unlocked position. g015373 Figure 73 1. Switch 11. If needed, loosen the screws holding the switch and adjust the switch (Figure 72 and Figure 73). 3.
3 g015241 Figure 74 1. Left motion control lever 3. Neutral locked position 2. Right motion control lever 4. Align the control levers front to back 2. Lift and remove the cable lock securing the cable adjusting nuts (Figure 75). g017848 3. Rotate the right cable adjustment to place the right motion control lever in the center of the neutral lock slot in the control panel. Figure 75 1. Left cable adjustment 2. Cable lock 4.
Hydraulic System Maintenance 8. Recheck the fluid level while the fluid is warm. If required, add fluid to the reservoir until it is between the hot level and the cold level. Note: The fluid level should be below the hot level of the baffle, when the fluid is warm (Figure 76). Servicing the Hydraulic System 9. Install cap on filler neck. WARNING Hydraulic Oil Type: Toro® HYPR-OIL™ 500 hydraulic oil or Mobil® 1 15W-50 synthetic motor oil.
Replacing the Hydraulic Filter 4. Locate the front hydraulic hose under the hydraulic tank and place drain pan under the tank (Figure 77). Service Interval: After the first 8 hours 5. Loosen the hose clamp and move it down the hose. WARNING 6. Remove the front hydraulic hose and allow the fluid to run out of the tank. Hot hydraulic fluid can cause severe burns. 1 Allow the hydraulic fluid to cool before performing any maintenance to the hydraulic system. 1.
Check hydraulic hoses and hoses for leaks, loose fittings, kinked hoses, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. Note: Keep areas around hydraulic system clean from grass and debris build up. Note: Extended operating time at high temperatures in a hot climate may lead to deterioration of hoses and seals. Inspect more frequently in a hot climate and change hydraulic oil and filter more frequently. WARNING Figure 79 1. Hydraulic filter 3.
Mower Deck Maintenance 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Rotate the blades until the ends face forward and backward. Measure from a level surface to the cutting edge, position A, of the blades (Figure 81 ). Note this dimension. 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.
Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Install the spring disk and blade bolt. The spring disk cone must be installed toward the bolt head (Figure 85). Torque the blade bolt to 85-110 ft-lb (115-150 N-m). Figure 82 1. Sail Area of Blade 2. Blade 3. Curved washer 4. Blade Bolt Sharpening the Blades Figure 85 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 83). Maintain the original angle.
2. Ensure the blades are not bent. Refer to Checking for Bent Blades. 3. Position the blades side-to-side. Measure at B and C locations from a level surface to the cutting edge of blade tips (Figure 86). Figure 86 1. Measure from a level surface G015244 Figure 87 2. Measure blade at points B and C 1. U-plate 4. The difference between measurements B and C should be no more than 1/4 inch (6 mm). I If it is not correct, proceed to Changing the Mower Deck Side-to-Side Height. 2.
Changing the Mower Deck Front-to-Rear Pitch Changing the front-to-rear pitch is done by adjusting the front height-of-cut posts. 1. Place 3 pieces of 2x4 wood under the mower deck as shown in Figure 89. Stand the 2x4's on the 4 inch part. G015245 Figure 89 1. 2x4 piece of wood under mower deck G015246 Figure 90 48 and 52 inch mower decks 2. For 48 and 52 inch mower decks, loosen both the front and rear nuts on the adjustment rods (Figure 90). 1. Adjustment rods 3.
1 2 Figure 92 3 1. Measure from a level surface 2. Measure blade at point A 4 4. The measurement should be 3 inch (7.6 cm). 5. If it does not measure correctly, locate the height-of-cut rod on the right side of the machine (Figure 93). 6. Adjust the adjustment bolt until the blade tips match 3 inches (7.6 cm) (Figure 93). G015501 Figure 91 60 inch mower decks 1. Adjustment rods 3. Lift link 2. Rear nuts 4. Front nuts 1 2 Matching Height of Cut 1. Check the rear tire pressure. 2.
6 3. If needed, adjust the distance by adjusting the bolt on top of the U-bracket (Figure 94). 2 4 7 3 3 4 1 1, 2 5 5 g015594 Figure 95 6 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deflector 3. Locknut 7. J hook end of spring 4. Spring g019220 Figure 94 1. Length is between 1.84 to 1.96 inches (47.0 to 50.0 mm) for 48 and 52 inch mower decks 2. Length is between 1.69 to 1.81 inches (43.0 to 46.0 cm) for 60 inch mower decks 3. Adjustment bolt 2.
Cleaning Storage Cleaning Under the Mower Cleaning and Storage 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. Service Interval: Before each use or daily Remove the grass buildup under the mower daily. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean dirt and chaff from the outside of the engine's cylinder head fins and blower housing. 1.
11. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 12. 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.
Troubleshooting Problem Engine will not start, starts hard, or fails to keep running. Engine loses power. Engine overheats. Machine does not drive. Possible Cause 1. Fuel tank is empty or shut-off valve closed. 1. Fill fuel tank with gasoline and open valve 2. Choke is not on. 3. Spark plug wire is loose or disconnected. 4. Spark plug is pitted, fouled, or the gap is incorrect. 5. Air cleaner is dirty. 6. Dirt in the fuel filter. 7. Dirt, water, or stale fuel is in the fuel system. 8.
Problem Uneven cutting height. Possible Cause 1. Blade(s) not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 3. 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. Mower deck pitch is wrong. 5. Underside of mower deck is dirty. 6. Tire pressure is not correct. 7. Blade spindle bent.
Schematics g0181 10 Hydraulic Schematic for 48 inch Mower Models (Rev. A) COOLER g017891 Hydraulic Schematic for 52 and 60 inch Mower Models (Rev.
G015606 Electrical Schematic for 48 inch Mower Models (Rev.
g018174 Electrical Schematic for 52 and 60 inch Mower Models (Rev.
Notes: 66
Notes: 67
The Toro Total Coverage Warranty A Limited Warranty (see warranty periods below) Conditions and Products Covered Instructions for Obtaining Warranty Service 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. If you think that your Toro Product contains a defect in materials or workmanship, follow this procedure: 1.
