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Toro 74583 Operator's Manual
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Toro 74583 Operator's Manual

Grandstand mower with 60in turbo force cutting unit
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Form No. 3371-952 Rev C
GrandStand
®
Mower
With 60in TURBO FORCE
®

Cutting Unit

Model No. 74583—Serial No. 312000001 and Up
g017600
To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
Original Instructions (EN)

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Summary of Contents for Toro 74583

  • Page 1: Cutting Unit

    Form No. 3371-952 Rev C GrandStand ® Mower With 60in TURBO FORCE ® Cutting Unit Model No. 74583—Serial No. 312000001 and Up g017600 To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    Removing standard original equipment parts and accessories may alter the warranty, traction, and G017731 safety of the machine. Failure to use original Toro parts could cause serious injury or death. Making Figure 1 unauthorized changes to the engine, fuel or venting 1.

  • Page 3: Table Of Contents

    Safety ................4 Electrical System Maintenance........ 37 Safe Operating Practices ........4 Servicing the Battery........... 37 Toro Mower Safety ..........5 Servicing the Fuses ..........38 Slope Indicator............. 7 Jump Starting the Machine........39 Safety and Instructional Decals ......8 Drive System Maintenance ........

  • Page 4: Safety

    Safety – Use only an approved container – Never remove gas cap or add fuel with engine Note: The addition of attachments made by running. Allow engine to cool before refueling. other manufacturers that do not meet American Do not smoke. National Standards Institute certification will cause –...

  • Page 5: Toro Mower Safety

    The following list contains safety information specific • Keep pets and bystanders away. to Toro products and other safety information you must • Slow down and use caution when making turns and know. crossing roads and sidewalks. Stop blades if not This product is capable of amputating hands and mowing.
  • Page 6 goes over the edge of a cliff or ditch, or if an edge caves in. • Use extra care with grass catchers or other attachments. These can change the stability of the machine. • Keep all movement on slopes slow and gradual. Do not make sudden changes in speed or direction.

  • Page 7: Slope Indicator

    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.

  • Page 8: Safety And Instructional Decals

    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. Battery Symbols 93-7010 Some or all of these symbols are on your battery 1.
  • Page 9 Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 115-4212 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator's Manual. 110-2067 116-3267 110-2068 1. Read the Operator's Manual. 116-3290 115-4186 1.
  • Page 10 120-6424 1. Cutting/dismemberment hazard, hand—disengage the power take-off(PTO), stop the engine and watch for all moving parts to stop. 117-0456 1. Height of cut (HOC)—high 3. Height of cut (HOC)—low 2. Height of cut (HOC)—medium 119-0217 1. Warning—stop the engine; stay away from moving parts; keep all guards and shields in place.
  • Page 11 117–3626 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.

  • Page 12: Product Overview

    Controls Product Overview Become familiar with all the controls (Figure 4) before you start the engine and operate the machine. g017732 g017733 Figure 3 Figure 4 1. Side discharge chute 7. Control levers 1. Parking brake lever 8. Height-of-cut pin 2.

  • Page 13: Specifications

    3. Hour meter enhance and expand its capabilities. Contact your 2. Battery light Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Throttle Control Specifications The throttle control is variable between Fast and Slow.

  • Page 14: Operation

    Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the electricity can be released causing a spark which machine from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property.

  • Page 15: Checking The Engine Oil Level

    Checking the Engine Oil Level Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To Before you start the engine and use the machine, check minimize the chance of varnish deposits in the fuel the oil level in the engine crankcase; refer to Checking system, use fuel stabilizer at all times.

  • Page 16: Operating The Mower Blade Control Switch (Pto)

    Setting the Parking Brake • Push the blade control switch (PTO) down to the off position. Pull the parking brake lever rearward and over into • Move the motion control levers to neutral and move engaged position (Figure 7). the right side motion control lever into the neutral lock position.

  • Page 17: Using The Fuel Shut-Off Valve

    Starting and Stopping the Engine Starting the Engine 1. Connect the wires to the spark plugs. 2. Open the fuel valve. 3. Move the right motion control lever to neutral G008947 Figure 11 locked position. 4. Set the parking brake; refer to Setting the Parking Brake.

  • Page 18: The Safety Interlock System

    Important: Make sure fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur. Before storing the machine, pull wire off spark plug(s) to prevent possibility of accidental starting. The Safety Interlock System G008947 CAUTION Figure 14 If safety interlock switches are disconnected or...

  • Page 19: Operating The Platform

    Testing the Safety Interlock System WARNING Service Interval: Before each use or daily The operator platform is heavy and may cause injury when lowering and raising the operator Test the safety interlock system before you use the platform. The platform may suddenly drop if not machine each time.

  • Page 20: Driving Forward Or Backward

    g017888 Figure 18 1. Front reference bar 4. Right control lever 2. Left control lever 5. Right control lever in the neutral lock position 3. Rear reference bar g017736 Figure 17 3. To go forward, move the speed control lever to the 1.

  • Page 21: Stopping The Machine

    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.

  • Page 22: Transporting Machines

    To Push the Machine 3. If applicable, connect the trailer brakes. 1. Disengage the PTO, move the motion control levers 4. Load the machine onto the trailer or truck. to the neutral locked position and set the parking 5. Stop the engine, remove the key, set the brake, and brake.

  • Page 23: Side Discharging Or Mulching The Grass

    Avoid sudden acceleration when driving up a ramp and DANGER sudden deceleration when backing down a ramp. Both Without the grass deflector, discharge cover, or maneuvers can cause the unit to tip backward. complete grass catcher assembly mounted in place, you and others are exposed to blade contact WARNING and thrown debris.

  • Page 24: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Rollers 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.

  • Page 25: Using The Mid-Size Weight

    Position B different mowing conditions and for operator preference. Use this position when bagging (Figure 29). • It is recommended that weights be added or removed one at a time until the desired handing and balance is achieved. Note: Contact an Authorized Service Dealer to order a Weight Kit.

  • Page 26: Maintenance

    • Replace the primary air filter. (more often in dusty or sandy conditions) Every 300 hours • Check the inner air filter. • Adjust the caster pivot bearing. • Change the hydraulic filter and hydraulic oil when using Toro® HYPR-OIL™ 500 Every 500 hours hydraulic oil. • Replace the inner air filter.

  • Page 27: Premaintenance Procedures

    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.

  • Page 28: Release The Cushion For Rear Access

    Figure 33 1. Remove battery 2. With two people, lift the front end of the mower Figure 34 (ensure the platform is up) 1. Plastic bushing with large 3. Hairpin cotter pin washer 2. Cushion bracket with key Release the Cushion for Rear hole Access The cushion can be released for rear access to the...

  • Page 29: Lubrication

    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.

  • Page 30: Lubricate Caster Wheel Hubs

    Lubricate Caster Wheel Hubs 13. Torque the nut to 75-80 in-lb (8-9 N-m), loosen, then re-torque to 20-25 in-lb (2-3 N-m). Make sure Service Interval: Yearly axle does not extend beyond either nut. 1. Stop the engine, wait for all moving parts to stop, 14.

  • Page 31: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner Service Interval: Every 150 hours Every 300 hours/Yearly (whichever comes first)—Replace the primary air filter. (more often in dusty or sandy conditions) Every 300 hours—Check the inner air filter. Every 600 hours—Replace the inner Figure 39 air filter.

  • Page 32: Servicing The Engine Oil

    Important: Do not press on the soft inside area of the filter. 4. Install the air cleaner cover and secure the latches (Figure 39). Servicing the Engine Oil Oil Type: Detergent oil (API service class SJ or higher) Oil Capacity: with a filter change, 58 ounces (1.7 L); with no filter change, 48 ounces (1.4 L) Viscosity: See the table below.

  • Page 33: Changing The Engine Oil

    Changing the Engine Oil 4. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil Service Interval: Every 100 hours (more often in dirty to bring it to the Full mark (Figure 43). or dusty conditions) Note: Dispose of the used oil at a recycling center.

  • Page 34: Servicing The Spark Plug

    2. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 3. Remove the spark plug. Figure 45 Checking the Spark Plug Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable.

  • Page 35: Check Spark Arrester (If Equipped)

    Check Spark Arrester (if Fuel System equipped) Maintenance Service Interval: Every 50 hours Draining the Fuel Tank WARNING Note: There is no other recommended way to drain Hot exhaust system components may ignite fuel from the tank, other than using a syphon pump. A gasoline vapors even after the engine is stopped.

  • Page 36: Servicing The Fuel Filter

    Servicing the Fuel Filter Servicing the Electronic Fuel Injection System Replacing the Fuel Filter This machine contains an electronic fuel injection Service Interval: Every 800 hours/Yearly (whichever system. It controls the fuel flow under different comes first) operating conditions. Never install a dirty filter if it is removed from the fuel The electronic control unit (ECU) continuously line.

  • Page 37: Electrical System Maintenance

    Electrical System WARNING Maintenance Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in Servicing the Battery personal injury. • Always Disconnect the negative (black) battery Service Interval: Every 100 hours cable before disconnecting the positive (red) cable.

  • Page 38: Servicing The Fuses

    Note: Do not run the machine with the battery disconnected, electrical damage may occur. Figure 51 1. Positive Battery Post 3. Red (+) Charger Lead 2. Negative Battery Post 4. Black (-) Charger Lead Servicing the Fuses g018098 Figure 50 The electrical system is protected by fuses.

  • Page 39: Jump Starting The Machine

    Jump Starting the Machine 3. Connect the positive (+) cable to the positive (+) terminal of the discharged battery that is wired to the 1. Check and clean corrosion from the battery terminals starter or solenoid as shown in Figure 53. before jump starting.

  • Page 40: Drive System Maintenance

    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. 2. Check if the machine pulls to one side. If it does, stop the machine and set the parking brake.

  • Page 41: Checking The Tire Pressure

    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 57). 5. Test the safety interlock system before operation. Figure 58 Adjusting the Caster Pivot Bearing Service Interval: Every 500 hours/Yearly (whichever 2 3 4...

  • Page 42: Servicing The Caster Wheel And Bearings

    Figure 60 Figure 59 1. Locknut 4. Spanner Bushing 1. Spring Washers 3. Dust Cap 2. Bushing 5. Caster wheel 2. Lock Nut 3. Roller Bearing 6. Wheel Bolt 2. Remove one bushing, then pull the spanner bushing Servicing the Caster Wheel and roller bearing out of the wheel hub (Figure 60).
  • Page 43 Removing the Clutch Shim A. Loosen both brake mounting bolts one-half to one full turn as shown below. This unit has been built with a clutch that contains a Note: Do Not remove the brake pole from the brake shim. When the clutch brake has worn to the field shell/armature.

  • Page 44: Cooling System Maintenance

    Cooling System Maintenance Cleaning the Air Intake Screen Service Interval: Before each use or daily Figure 65 Before each use remove any build-up of grass, dirt 1. Feeler gauge or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor-governor levers and linkage.

  • Page 45: Servicing The Engine Oil Cooler

    Servicing the Engine Oil Servicing the Hydraulic Oil Cooler Cooler Service Interval: Every 200 hours Service Interval: Every 100 hours—Service the hydraulic oil cooler (in dirty 1. Keep the oil cooler free of debris by cleaning the conditions). fins with a brush. 1.

  • Page 46: Brake Maintenance

    Brake Maintenance Servicing the Brake Before each use, check brakes on both a level surface and slope. Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, an adjustment is required. Checking the Parking Brake Service Interval: Before each use or daily 1.
  • Page 47 5. To adjust the brake, remove the hair pin cotter and clevis pin from the lower brake lever and yoke (Figure 71). 6. Loosen the jam nut (Figure 71). 7. Rotate the yoke. To tighten the brake, rotate the yoke up. To loosen the brake, rotate the yoke down (Figure 71).

  • Page 48: Belt Maintenance

    Belt Maintenance Replacing the Mower Deck Belt 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.

  • Page 49: Controls System Maintenance

    Controls System Maintenance 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.

  • Page 50: Motion Control Levers

    g015372 Figure 76 1. Switch screws 3. Nut and bolt 2. Cam 9. After the cam is adjusted, the lever switch needs to be checked. 10. Check the gap between the control lever and switch g015373 as shown in Figure 77. The gap needs to be an 1/8 Figure 77 inch (3mm) with the right motion control lever in the neutral, unlocked position.
  • Page 51 g015241 Figure 78 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 79). g017848 Figure 79 3.

  • Page 52: Hydraulic System Maintenance

    Servicing the Hydraulic the hot level and the cold level. System Note: The fluid level should be below the hot level Hydraulic Oil Type: Toro ® HYPR-OIL ™ of the baffle, when the fluid is warm (Figure 80).
  • Page 53 Replacing the Hydraulic Filter 1. Disengage the PTO and set the parking brake. 2. Stop the engine and wait for all moving parts to stop Service Interval: After the first 8 hours before leaving the operating position. WARNING 3. Remove hydraulic reservoir cap. Hot hydraulic fluid can cause severe burns.

  • Page 54: Bleeding The Hydraulic System

    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.

  • Page 55: Mower Deck Maintenance

    Mower Deck Checking for Bent Blades 1. Disengage the PTO, move the motion control levers Maintenance to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all Servicing the Cutting Blades moving parts to stop before leaving the operating position.

  • Page 56: Correcting The Mower Quality Of Cut

    Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. 1. Hold the blade end using a rag or thickly-padded Figure 88 glove. 1. Blade 2. Balancer 2. Remove the blade bolt, curved washer, and blade from the spindle shaft (Figure 86).
  • Page 57 position. Disconnect the spark plug wire(s) from the 2. Locate the U-plates on the side of the engine deck spark plug(s). (Figure 91). 3. Adjust the tire pressure in the rear tires to 12-14 psi 3. Loosen the U-plate on one side and adjust it up or (83-97 kPa).
  • Page 58 4. Tighten the lift links (Figure 94). 5. Tighten both the front and rear nuts. 6. Check the front-to-rear pitch of the cutting unit. 7. If the dimensions are not correct, adjust the front and rear nuts on either side to get the correct front-to-rear pitch (Figure 94).

  • Page 59: Replacing The Grass Deflector

    1. Remove the locknut, bolt, spring and spacer holding the deflector to the pivot brackets (Figure 97). Remove damaged or worn grass deflector. Figure 95 g015594 1. Measure from a level 2. Measure blade at point A Figure 97 surface 1.

  • Page 60: Cleaning

    Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (PTO), set the parking Service Interval: Before each use or daily brake, and turn the ignition key to off. Remove the key. Remove the grass buildup under the mower daily. 2.
  • Page 61 10. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or defective. 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.

  • Page 62: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action Engine will not start, starts hard, or fails 1. Fuel tank is empty or shut-off valve 1. Fill fuel tank with gasoline and open to keep running. closed. valve 2. Install wire on spark plug. 2.
  • Page 63 Problem Possible Cause Corrective Action Blades do not rotate. 1. Pump drive belt is worn, loose or 1. Check the belt tension. broken. 2. Install drive belt and check adjusting 2. Pump drive belt is off pulley. shafts and belt guides for correct position.

  • Page 64: Schematics

    Schematics g017891 Hydraulic Schematic (Rev. A)
  • Page 65 g018109 Electrical Schematic (Rev. A)
  • Page 66 Notes:...
  • Page 67 Notes:...
  • Page 68 Countries Other than the United States or Canada Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer.

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