Toro GrandStand 74534 Operator's Manual
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Toro GrandStand 74534 Operator's Manual

With 36in or 40in turbo force cutting unit
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Form No. 3371-907 Rev A
GrandStand
®
Mower
With 36in or 40in TURBO FORCE
®
Cutting
Unit
Model No. 74534—Serial No. 312000001 and Up
Model No. 74536—Serial No. 312000001 and Up
Model No. 79534—Serial No. 312000001 and Up
Model No. 79536—Serial No. 312000001 and Up
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 GrandStand 74534

  • Page 1 Model No. 74536—Serial No. 312000001 and Up Model No. 79534—Serial No. 312000001 and Up Model No. 79536—Serial No. 312000001 and Up 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: Table Of Contents

    You are responsible for operating mechanical information and Note emphasizes general the product properly and safely. information worthy of special attention. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, Contents or to register your product.
  • Page 3 Operation..............14 Brake Maintenance ..........44 Adding Fuel ............14 Servicing the Brake..........44 Checking the Engine Oil Level......15 Belt Maintenance............ 45 Breaking In a New Machine ........ 15 Checking the Belts..........45 Think Safety First ..........15 Replacing the Mower Deck Belt for 36in Operating the Parking Brake .......

  • 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 9 110-2067 116-3267 115-4186 1. Interval 2. Power Take-off (PTO) 116-3290 3. Parking brake 4. Neutral 5. Operator presence switch 6. Battery 115-4212 1. Hydraulic oil level 3. Warning—do not touch the 119-0185 hot surface. 2. Read the Operator's Manual.
  • Page 10 119-0217 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. 119-0186 36in Mower Deck 1. Belt routing 119-2317 1. Height-of-cut (inches) 119-0187 40in Mower Deck 1.
  • Page 11 117-0454 1. Traction control 5. Reverse 3. Slow 7. Operator presence switch 2. Fast 4. Neutral 6. Power Take-off (PTO)—disengage 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

    Product Overview g012564 Figure 4 Figure 3 1. Fuel cap 7. Hour meter 2. Height-of-cut lever 8. Choke 1. Side discharge chute 7. Manual tube 3. Blade control switch (PTO) 9. Ignition switch 2. Battery 8. Platform (down position) 4. Right motion control lever 10. Speed control lever 3.

  • Page 13: Specifications

    A selection of Toro approved attachments and accessories are available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Specifications Figure 5 1.

  • Page 14: Operation

    Operation DANGER In certain conditions during fueling, static Adding Fuel electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion • For best results, use only clean, fresh, unleaded from gasoline can burn you and others and can gasoline with an octane rating of 87 or higher 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)

    g012782 Figure 9 Figure 7 1. Parking brake engaged 2. Parking brake released • Move the motion control levers to neutral and move the right side motion control lever into the neutral lock position. Releasing the Parking Brake Push the parking brake lever forward. Operating the Mower Blade Control Switch (PTO) The blade control switch (PTO) is used in conjunction...

  • Page 17: Operating The Ignition Switch

    Using the Speed Control Lever This machine has a speed control lever that sets the maximum ground speed of the machine. This can be adjusted to the operator's desired speed. It is recommended to use the slowest speed for new operator's.

  • Page 18: Starting And Stopping The Engine

    g012703 Figure 16 7. Turn the ignition key to the Start position (Figure 13). When the engines starts, release the key. G008948 Figure 15 Important: Do not engage starter for more 1. On 2. Off than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts.

  • Page 19: The Safety Interlock System

    Stopping the Engine The Safety Interlock System CAUTION CAUTION Children or bystanders may be injured if they If safety interlock switches are disconnected or move or attempt to operate the tractor while it is damaged the machine could operate unexpectedly unattended.

  • Page 20: Operating The Platform

    Operating the Machine with the 3. Move the right side motion control lever to the center, un-locked position. The blades should Platform Up not rotate. Operating the machine with the platform up is 4. Move the motion control levers forward. The recommended when: engine should kill.

  • Page 21: Driving Forward Or Backward

    Figure 20 g012570 Figure 21 1. Platform up 3. Pull the knob out to release the platform 1. Front reference bar 4. Right control lever 2. Platform down 2. Left control lever 5. Right control lever in the neutral lock position 3.

  • Page 22: 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 23: Transporting Machines

    5. Stop the engine, remove the key, set the brake, and close the fuel valve. 6. Use the metal tie down loops on the machine to securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes (Figure 25). Figure 24 Figure 25 1.

  • Page 24: Side Discharging Or Mulching The Grass

    Side Discharging or Mulching Important: Do Not attempt to turn the unit while on the ramp; you may lose control and drive off the Grass the side. This mower has a hinged grass deflector that disperses Avoid sudden acceleration when driving up a ramp and clippings to the side and down toward the turf.

  • Page 25: Adjusting The Flow Baffle

    Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position A This is the full rear position (see Figure 29).

  • Page 26: Using Counterweights

    Note: Contact an Authorized Service Dealer to order a Weight Kit. WARNING Excessive weight changes can effect handling and operation of the machine. This could cause serious injury to you or bystanders. Make weight changes in small increments only. Evaluate the mower after each weight change to ensure the machine can be operated safely.

  • Page 27: Maintenance

    Every 250 hours • Adjust the caster pivot bearing. • Check the electric clutch. Every 500 hours • Change the hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil. • Change the hydraulic filter. • Paint chipped surfaces. Before storage •...

  • Page 28: Premaintenance Procedures

    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 in Operation. 2. Remove the battery. Figure 33 1.

  • Page 29: Release The Cushion For Rear Access

    g012572 Figure 35 Figure 34 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.

  • Page 30: Lubrication

    Lubrication Grease with No. 2 general purpose lithium base or molybdenum base grease. Lubricate the speed/traction control linkage with a dry lubricant, PTFE (Polytetrafluoroethylene) (Figure 39). 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 Figure 37 position.

  • Page 31: Greasing The Front Caster Pivots

    Figure 40 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. Remove one of the spacer nuts from the axle assembly in the caster wheel. Note that thread Figure 39 locking adhesive has been applied to lock the spacer nuts to the axle.

  • Page 32: Engine Maintenance

    Engine Maintenance 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 axle does not extend beyond either nut. Servicing the Air Cleaner 14. Reinstall the seal guards over the wheel hub and insert wheel into caster fork.

  • Page 33: Servicing The Engine Oil

    Cleaning the Foam Air Cleaner Element Note: There are different oil capacities for the different models listed in this manual. Ensure the correct amount Service Interval: Every 25 hours of oil is used. 1. Wash the foam element in liquid soap and warm Important: Remember to add 80% of the oil and water.

  • Page 34: Changing The Engine Oil

    3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position (Figure 44). g012596 Figure 44 4. 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 45).

  • Page 35: Servicing The Spark Plug

    G008796 Figure 45 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 G012845 oil.
  • Page 36 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.

  • Page 37: Fuel System Maintenance

    Servicing the Fuel Filter Fuel System Maintenance Replacing the Fuel Filter Service Interval: Yearly Draining the Fuel Tank Never install a dirty filter if it is removed from the fuel Note: There is no other recommended way to drain line. fuel from the tank, other than using a syphon pump.

  • Page 38: 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 39: Servicing The Fuses

    Note: Do not run the machine with the battery disconnected, electrical damage may occur. Figure 53 1. Positive Battery Post 3. Red (+) Charger Lead 2. Negative Battery Post 4. Black (-) Charger Lead Servicing the Fuses The electrical system is protected by fuses. It requires no maintenance.

  • 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: Adjusting The Electric Clutch

    Figure 60 1. Adjusting nut 3. Feeler gauge 2. Slot Figure 59 1. Spring Washers 3. Dust Cap 2. Lock Nut Adjusting the Electric Clutch Service Interval: Every 500 hours—Check the electric clutch. The clutch is adjustable to ensure proper engagement and proper braking.

  • Page 43: Cooling System Maintenance

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

  • Page 44: Brake Maintenance

    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 Before each use, check brakes on both a level surface PTO, and set the parking brake.

  • Page 45: Belt Maintenance

    Belt Maintenance Replacing the Mower Deck Belts for 40in Mowers Checking the Belts Replacing the Right Mower Service Interval: Every 100 hours—Check the pump Deck Belt drive belt. 1. Disengage the PTO and set the parking brake. Every 100 hours—Check the mower deck belt(s).

  • Page 46: Replacing The Pump Drive Belt

    5. Remove the spring from the anchor post on the idler pulley arm (Figure 64). 6. Remove the worn mower belt (Figure 64). 7. Install the new mower belt around the deck pulleys, clutch pulley and idler pulley (Figure 64 ). 8.

  • Page 47: 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 48: Motion Control Levers

    G012706 Figure 71 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.

  • Page 49: Hydraulic System Maintenance

    Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ hydraulic oil or Mobil ® 1 15W-50 synthetic motor oil. Important: Use oil specified or equivalent. Other fluids could cause system damage. Hydraulic System Oil Capacity: 67 oz. (2.0 l)
  • Page 50 12. Check the level of the fluid and add fluid, if required. ® hydraulic oil when using Mobil 1 oil. Do not overfill. Every 500 hours—Change the hydraulic oil when using Toro ® ™ HYPR-OIL 500 hydraulic oil. WARNING Hot hydraulic fluid can cause severe burns.

  • Page 51: Bleeding The Hydraulic System

    Replacing the Hydraulic Filter Service Interval: After the first 8 hours Every 500 hours/Yearly (whichever comes first) WARNING Hot hydraulic fluid can cause severe burns. Allow the hydraulic fluid to cool before performing any maintenance to the hydraulic system. Figure 76 1.

  • Page 52: Mower Deck Maintenance

    Checking the Hydraulic Lines Mower Deck Service Interval: Every 100 hours Maintenance Check hydraulic hoses and hoses for leaks, loose fittings, kinked hoses, loose mounting supports, wear, weather Servicing the Cutting Blades and chemical deterioration. Make necessary repairs before operating. To ensure a superior quality of cut, keep the blades sharp.

  • Page 53: Removing The Blades

    Checking for Bent Blades performance and continued safety conformance of the machine, use genuine Toro replacement blades. 1. Disengage the PTO, move the motion control levers Replacement blades made by other manufacturers may to the neutral locked position and set the parking result in non-conformance with safety standards.

  • Page 54: Leveling The Mower

    4. Check the tire pressure of both drive tires. If needed, adjust to 13 psi (90 kPa) 5. Lower the mower to the 3 inch (76 mm) height-of-cut position. Figure 81 Note: The actual cutting height will not be adjusted 1.
  • Page 55 6. Use the adjustment bolt to achieve 1/4 to 3/8 inch (6 to 10 mm) lower in front at A than in the rear at B (Figure 83). 7. Tighten the nut on the upper chain bolt and the jam nut on the adjustment bolt.
  • Page 56 g012787 g012788 Figure 85 Figure 86 1. Measure here from blade 2. Measure at A and C 1. Measure here from blade 2. Measure at C and D to hard surface to hard surface Adjusting the Right Side Front-to-Rear Adjusting the Height of Cut Mower Pitch 1.

  • Page 57: Replacing The Grass Deflector

    g012783 Figure 87 Figure 88 1. Jam nut 3. Groove indicating left hand 1. 10-1/8 inch (25.7 cm) for 3. Front nut threads 40in mower decks and 2. Turnbuckle 11-1/8 inch (28.2 cm) for 36in mower decks 2. Spring jam nut 4.

  • Page 58: Cleaning

    Cleaning Cleaning Under the Mower Service Interval: Before each use or daily Remove the grass buildup under the mower daily. 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 g015594 moving parts to stop before leaving the operating Figure 89...

  • Page 59: Storage

    Storage hole. Now use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). Cleaning and Storage 10. Check and tighten all bolts, nuts, and screws. Repair 1.

  • Page 60: 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. Move the choke lever to choke position. 2.
  • Page 61 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 62: Schematics

    Schematics Hydraulic Schematic (Rev. A)
  • Page 63 G015606 Electrical Schematic (Rev. A)
  • Page 64 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.

This manual is also suitable for:

Grandstand 74536Grandstand 79534Grandstand 79536

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