Form No. 3376-396 Rev B GrandStand® Mower With 36in or 40in TURBO FORCE® Cutting Unit Model No. 74534—Serial No. 313000001 and Up Model No. 74536—Serial No. 313000001 and Up Model No. 79534—Serial No. 313000001 and Up Model No. 79536—Serial No. 313000001 and Up g020526 Register at www.Toro.com.
WARNING 1 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. g020527 This spark ignition system complies with Canadian ICES-002. Figure 1 Important: This engine is not equipped with a spark arrester muffler.
Contents Checking the Tire Pressure ......................................39 Adjusting the Caster Pivot Bearing ............................39 Adjusting the Electric Clutch....................................40 Cooling System Maintenance ......................................40 Cleaning the Air Intake Screen..................................40 Cleaning the Cooling System....................................40 Brake Maintenance ....................................................41 Servicing the Brake ......
Safety – Never refuel or drain the machine indoors. • Check that operator's presence controls, safety switches and shields are attached and functioning properly. Do not operate unless they are functioning properly. Note: The addition of attachments made by other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine. Operation Improper use or maintenance by the operator or owner can result in injury.
• Use care when loading or unloading the machine into • Do not touch equipment or attachment parts which may or from a trailer or truck. be hot from operation. Allow to cool before attempting to maintain, adjust or service. • Use care when approaching blind corners, shrubs, trees, • Use only Toro approved attachments. Warranty may be or other objects that may obscure vision. voided if used with unapproved attachments. • Lightning can cause severe injury or death.
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 115-149 N-m (85-110 ft-lb). 110-2067 Battery Symbols Some or all of these symbols are on your battery 1.
115-4212 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator's Manual. 119-0185 116-3267 119-0186 36 inch Mower Deck 1.
119-2317 1. Height-of-cut (inches) 119-0187 40 inch Mower Deck 1. Belt routing 121–6049 1. Thrown object hazard—keep bystanders away from the machine. 119-0217 3. Cutting/dismemberment hazard of hand or foot, mower blade—keep hands away from moving parts. 2. Thrown object hazard, mower—do not operate the mower with guards or shields removed. 1. Warning—stop the engine; stay away from moving parts; keep all guards and shields in place. 119-1854 1. Adjustment knob for traction drive speed. 117-0454 1.
117–3626 1. Warning—read the Operator's Manual. 5. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Warning—do not operate this machine unless you are trained. 6. Warning—engage the parking brake, stop the engine and remove the spark plug wire before performing any maintenance on the machine. 7. Warning—engage the parking brake and stop the engine 3. Thrown object hazard—keep deflector in place. before leaving the machine. 4.
Product Overview 6 5 7 4 8 7 9 8 10 3 11 9 11 2 G020528 10 G020529 1 Figure 4 Figure 3 1. Side discharge chute 7. Operator cushion 2. Battery 8. Platform (down position) 3. Engine 9. Hydraulic tank 4. Fuel tank 5. Controls 6. Motion control levers 1. Fuel cap 7. Hour meter 2. Height-of-cut lever 8. Choke 3. Blade control switch (PTO) 9. Ignition switch 4. Right motion control lever 10. Fuel gauge 10. Mower deck 11. Front caster wheel 5. Left motion control lever 6.
Specifications Note: Specifications and design are subject to change without notice. 36 inch mowers: Figure 5 1. Safety interlock symbols 3. Hour meter Width with deflector down 131.1 cm (51.62 inches) Length with platform down 188 cm (74 inches) Length with platform up 155 cm (61 inches) Height 121.9 cm (48 inches) Weight 343 kg (756 lb) 2. Battery light 40 inch mowers: Throttle Control The throttle control is variable between Fast and Slow. Choke Use the choke to start a cold engine.
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.
Setting the Parking Brake Pull the parking brake lever rearward to the engaged position (Figure 7). g012782 Figure 9 • Move the motion control levers to neutral and move the right side motion control lever into the neutral lock position. Figure 7 1. Parking brake engaged 2. Parking brake released Releasing the Parking Brake Push the parking brake lever forward.
Close the fuel shut-off valve for transport, maintenance, and storage (Figure 14). Ensure the fuel shut-off valve is open when starting the engine. 1 g020864 1 2 G008959 Figure 12 1. On 2 2. Off Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 13). When the engines starts, release the key. G008948 Figure 14 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.
Let the engine idle at slow throttle (turtle) for 60 seconds before turning the ignition switch off. Figure 15 7. Turn the ignition key to the Start position (Figure 13). 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.
Operating the Machine with the Platform Down CAUTION Operating the machine with the platform down is recommended when: This machine can spin very rapidly. The operator may lose control of the machine and cause personal injury or damage to the machine. • Mowing most areas Slow the machine down before making sharp turns. • Driving across slopes Driving Forward • Driving down slopes 1. Release the parking brake; refer to Releasing the Parking Brake in Operation.
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. Pushing the Machine by Hand The by-pass valves allow the machine to be pushed by hand without the engine running.
g020805 Figure 24 1. Traction unit tie down loop Loading Machines Figure 23 Use extreme caution when loading units on trailers or trucks. One full width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps for each side of the unit (Figure 25). The platform when down and locked into position, extends back between the rear wheels and serves as a stop for tipping backward.
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 Flow Baffle The mower discharge flow can be adjusted for different types of mowing conditions. Position the cam lock and baffle to give the best quality of cut. 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. 3. To adjust the baffle, loosen the nut (Figure 27). 4.
Position C This is the full open position. The suggested use for this position is as follows (Figure 30). • Use in tall, dense grass mowing conditions. • Use in wet conditions. • Lowers the engine power consumption. • Allows increased ground speed in heavy conditions. G012679 Figure 30 Using Counterweights • Weights are installed to improve handling, balance and improve performance.
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. Check the brakes. Inspect the blades. Clean the mower deck.
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. Raise the platform. Refer to Operating the Platform (page 18). 2. Remove the battery. Figure 32 1. Cap 3. Hydraulic tank 2. Piece of plastic 5. With two people, raise the front of the mower so it rests on the drive tires and the platform in the up position. 6. Perform any maintenance on the machine. 7.
1 2 3 4 g012572 Figure 34 Figure 33 1. Remove battery 2. With two people, lift the front end of the mower (ensure the platform is up) 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. Remove the cushion and lower it to the platform. 5.
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.
Lubricate the Caster Wheel Hubs 14. Service Interval: Yearly Important: To prevent seal and bearing damage, check the bearing adjustment often. Spin the caster tire. The tire should not spin freely (more than 1 or 2 revolutions) or have any side play. If the wheel spins freely, adjust the torque on the spacer nut until there is a slight amount of drag. Apply thread locking adhesive. 1. Stop the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Figure 38 1.
Engine Maintenance Cleaning the Foam Air Cleaner Element Service Interval: Every 25 hours Servicing the Air Cleaner 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. Service Interval/Specification 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it is torn or worn. Inspect the foam and paper elements and replace them if they are damaged or excessively dirty.
Engine Oil Capacity: 58 ounces (1.7 liter) with the filter removed; 51 ounces (1.5 liter) without the filter removed Viscosity: Refer to the table below g020534 Figure 40 1 2 3 4 6 7 8 9 5 Checking the Engine Oil Level 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.
3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position (Figure 42). 1 2 3 4 5 6 g020534 1 3 2 4 G008796 Figure 43 Changing the Engine Oil Filter Note: Change the engine oil filter more frequently when operating conditions are extremely dusty or sandy. g012596 Figure 42 1. Drain the oil from the engine; refer to Changing the Engine Oil. 4.
Servicing the Spark Plug Service Interval: Every 100 hours Make sure the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. g020534 1 2 Type for all Engines: NGK® BPR4ES or equivalent Air Gap: 0.75 mm (0.030 inch) Removing the Spark Plug 3 5 1.
1 Fuel System Maintenance 2 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. G008794 Figure 46 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. • Drain gasoline from the fuel tank when the engine is cold. Do this outdoors in an open area.
Servicing the Fuel Filter Electrical System Maintenance Replacing the Fuel Filter Service Interval: Yearly 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 2 Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 3 4 1 • 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. 5 1. Disengage the PTO and set the parking brake. 2.
Drive System Maintenance Note: Do not run the machine with the battery disconnected, electrical damage may occur. 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. 2. Check if the machine pulls to one side. If it does, stop the machine and set the parking brake. Figure 51 3. Release the cushion from the rear of the machine. 1. Positive Battery Post 3. Red (+) Charger Lead 2.
1 2 1 6 2 3 4 g015369 Figure 54 1. Left cable adjustment 6 2. Right cable adjustment 6. Check for proper tracking. 2 Note: If the machine will not start after adjusting the tracking, make sure proximity switch target aligns with bolt attached to motion control lever. Refer to Adjusting the Proximity Switch (page 38). 4 5 G015609 Figure 55 7. Repeat the cable adjustment until the tracking is correct. 1. Proximity switch target 8.
Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Maintain the air pressure in the rear tires at 83-97 kPa (12-14 psi). Uneven tire pressure can cause an uneven cut. Note: The front tires are semi-pneumatic tires and do not require air pressure maintenance. Figure 57 1. Spring Washers 2. Lock Nut Figure 56 Adjusting the Caster Pivot Bearing Service Interval: Every 500 hours/Yearly (whichever comes first) 1.
Adjusting the Electric Clutch Service Interval: Every 500 hours—Check the electric clutch. Cooling System Maintenance The clutch is adjustable to ensure proper engagement and proper braking. Cleaning the Air Intake Screen 1. Insert a 0.381–0.533 mm (0.015–0.021 inch) feeler gauge through one inspection slot in the side of the assembly. Make sure it is between the armature and the rotor friction surfaces.
Brake Maintenance Adjusting the Brakes If the gap between the brake bar and tire is not correct, an adjustment is required. Servicing the Brake 1. Park the machine on a level surface, disengage the PTO, and set the parking brake. Before each use, check the brakes on both a level surface and slope. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Always set the parking brake when you stop the machine or leave it unattended.
Belt Maintenance Replacing the Mower Deck Belts for 40in Mowers Checking the Belts Replacing the Right Mower Deck Belt Service Interval: Every 100 hours—Check the pump drive belt. 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. 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. 3.
9. Install the right mower belt. Refer to Replacing the Right Mower Deck Belt (page 42). 10. Install the belt covers onto the cutting unit and secure the latches. Figure 64 1. Belt Figure 65 3. Spring 2. Spring loaded idler pulley Replacing the Pump Drive Belt 1. Hydraulic pumps 4. Clutch retainer 2. Idler pulley 5. Pump drive belt 3. Clutch pulley 6. Pump drive pulley 8. Lower the machine to the operating position. Refer to Raising the Mower for Access (page 26). 1.
Controls System Maintenance 1 2 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. 3 Note: Adjust the horizontal alignment before the front to back alignment. 1. Disengage the PTO, move the right side motion control lever to the neutral position and set the parking brake. G012704 2.
2 1 3 3 1 2 4 G012706 Figure 69 1. Left motion control lever 3. Neutral locked position 2. Right motion control lever 4. Align the control levers front to back 2. Ensure the right motion control lever moves easily into the neutral lock position. Note: Turn the cable adjustment clockwise to move the motion control handle forward. Turn the cable adjustment counter-clockwise to move the motion control handle rearward. 3. Rotate the cable adjustment on right side when adjustment is needed.
Hydraulic System Maintenance 5. Remove cap from filler neck. Look inside to check the fluid level in the reservoir. (Figure 71). 6. Add fluid to the reservoir until it reaches the cold level of the baffle. Servicing the Hydraulic System 7. Run the machine at low idle for 15 minutes to allow any air to purge out of the system and warm fluid. Refer to Starting and Stopping the Engine (page 16). Hydraulic Oil Type: Toro® HYPR-OIL™ 500 hydraulic oil or Mobil® 1 15W-50 synthetic motor oil. 8.
Replacing the Hydraulic Filter 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. Service Interval: After the first 8 hours 3. Remove hydraulic reservoir cap. Every 500 hours/Yearly (whichever comes first) 4. Locate the front hydraulic hose under the hydraulic tank and place drain pan under the tank (Figure 72). WARNING 5. Loosen the hose clamp and move it down the hose. Hot hydraulic fluid can cause severe burns. 6.
Checking the Hydraulic Lines Service Interval: Every 100 hours 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. WARNING Figure 74 1. Hydraulic filter Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 3. Adapter 2.
Mower Deck Maintenance Checking for Bent Blades 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. Servicing the Cutting Blades 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 76 ). Note this dimension.
Installing the Blades 1. Hold the blade end using a rag or thickly-padded glove. 2. Remove the blade bolt, curved washer, and blade from the spindle shaft (Figure 77). 1. Install the blade onto the spindle shaft (Figure 80). 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 80).
7. Loosen the jam nuts at the front swivel. 8. Using the jam nuts, adjust the length of the threaded rod to achieve the correct distance. 9. Tighten the jam nuts at the front swivel. 1 1 2 5 3 4 g020807 Figure 82 2 3 2 5 6 7 8 9 g020801 Figure 81 6. Adjustment bolt 2. Swivel jam nuts 7. Jam Nut 3. Front swivel 4. Front chain 8. Yoke 9. Upper chain bolt 4. Deck hanger arm 2. Jam nut 5. Distance needs to be 11 mm (7/16 inch) 3. Yoke 4 1.
Adjusting the Right Side Front-to-Rear Mower Deck Pitch Matching the Rear of the Mower Deck 1. Position the left and right blades front-to-rear. 1. Position the right blade front-to-rear (Figure 83). 2. Measure the left blade at the B location, from a level surface to the cutting edge of the blade tip and record this measurement (Figure 84). 2. Measure the right blade at the C location, from a level surface to the cutting edge of the blade tip and record this measurement (Figure 83). 3.
Leveling the Front of the Mower Deck Matching the Height of Cut 1. Position the left and right blades front-to-rear. 1. Lower the mower to the 76 mm (3 inch) height-of-cut position. 2. Inspect the front chains, ensure each chain has tension. 2. Position the right blade front-to-rear. 3. If either chain is loose, adjust the threaded rod with the loose chain to achieve tension on that chain. 3.
Adjusting the Compression Spring Replacing the Grass Deflector Note: Adjusting the compression spring will alter how much the deck will float and how much effort it takes to lift the deck when using the height-of-cut handle. WARNING An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or bystander's direction and result in serious injury. Also, contact with the blade could occur.
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 Blades do not rotate. Possible Cause 1. Pump drive belt is worn, loose or broken. 1. Check the belt tension. 2. Pump drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position. 3. Install new deck belt. 3. Mower deck belt is worn, loose or broken. 4. Mower deck belt is off pulley. 5. 6. 7. 8. 9. Broken or missing idler spring. Electric clutch out of adjustment. Clutch connector or wire damaged. Damaged electric clutch.
Schematics Hydraulic Schematic (Rev.
G015606 Electrical Schematic (Rev.
Notes: 61
Notes: 62
Notes: 63
The Toro Total Coverage Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered This warranty includes the cost of parts and labor, but you must pay transportation costs. 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.
