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

Mower with 36in or 40in turbo force cutting unit
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Original Instructions (EN)
GrandStand
With 36in or 40in TURBO FORCE
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
Form No. 3376-396 Rev B
®
Mower
®
Cutting
g020526
*3376-396* B

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Summary of Contents for Toro GrandStand 74534

  • Page 1 ® 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 *3376-396* B Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product.

  • Page 3: Table Of Contents

    Cooling System Maintenance ........40 Safety ................4 Cleaning the Air Intake Screen........40 Safe Operating Practices........... 4 Cleaning the Cooling System........40 Toro Mower Safety ..........5 Brake Maintenance ............41 Slope Indicator ............6 Servicing the Brake ..........41 Safety and Instructional Decals ......... 7 Belt Maintenance ............42...

  • Page 4: Safety

    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 Note: The addition of attachments made by other operate unless they are functioning properly. manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine.

  • Page 5: Toro Mower Safety

    Mow slopes side to side. Toro Mower Safety • Do not mow slopes greater than 20 degrees. The following list contains safety information specific to Toro Service products and other safety information you must know. • Never store the machine or fuel container inside where...

  • Page 6: 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 7: 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. Manufacturer's Mark 1. Indicates the blade is identified as a part from the original 93-7818 machine manufacturer.
  • Page 8 115-4212 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. Belt routing 116-3290...
  • Page 9 119-2317 1. Height-of-cut (inches) 119-0187 40 inch Mower Deck 1. Belt routing 121–6049 1. Thrown object 3. Cutting/dismemberment hazard—keep bystanders hazard of hand or foot, away from the machine. mower blade—keep hands 119-0217 away from moving parts. 2. Thrown object hazard, 1.
  • Page 10 117–3626 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 11: Product Overview

    Product Overview G020529 G020528 Figure 4 Figure 3 1. Fuel cap 7. Hour meter 1. Side discharge chute 7. Operator cushion 2. Height-of-cut lever 8. Choke 2. Battery 8. Platform (down position) 3. Blade control switch (PTO) 9. Ignition switch 3.

  • Page 12: Specifications

    A selection of Toro approved attachments and accessories is 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.

  • Page 13: 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 gasoline from gasoline can burn you and others and can with an octane rating of 87 or higher ((R+M)/2 rating damage property.

  • Page 14: Checking The Engine Oil Level

    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 Filling the Fuel Tank additional load on the engine.

  • Page 15: Operating The Mower Blade Control Switch (Pto)

    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.

  • Page 16: Operating The Ignition Switch

    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. g020864 G008959 Figure 12 1. On 2. Off Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 13). G008948 When the engines starts, release the key.

  • Page 17: The Safety Interlock System

    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.

  • Page 18: Operating The Platform

    The safety interlock system is designed to stop the mower control switch (PTO) and release. The clutch should blades if you move or release the right side motion control engage and the mower blades begin rotating. lever into the neutral lock position. 11.

  • Page 19: Driving Forward Or Backward

    Operating the Machine with the CAUTION Platform Down This machine can spin very rapidly. The operator may lose control of the machine and cause personal Operating the machine with the platform down is recommended when: injury or damage to the machine. •...

  • Page 20: 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 21: Transporting Machines

    g020805 Figure 24 1. Traction unit tie down loop Loading Machines Figure 23 Use extreme caution when loading units on trailers or trucks. 1. Pump by-pass valve One full width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps 4.

  • Page 22: Side Discharging Or Mulching The Grass

    WARNING DANGER Loading a unit onto a trailer or truck increases the Without the grass deflector, discharge cover, or possibility of backward tip-over and could cause complete grass catcher assembly mounted in serious injury or death. place, you and others are exposed to blade contact and thrown debris.

  • Page 23: Adjusting The Flow Baffle

    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.

  • Page 24: Using Counterweights

    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...

  • Page 25: 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 26: 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 (page 18). 2. Remove the battery. Figure 32 1.

  • Page 27: Release The Cushion For Rear Access

    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.

  • Page 28: 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. 3.

  • Page 29: Lubricate The Caster Wheel Hubs

    Lubricate the Caster Wheel Install the seal guards over the wheel hub and insert the wheel into the caster fork. Install the caster bolt Hubs and tighten the nut fully. Service Interval: Yearly Important: To prevent seal and bearing damage, check the bearing adjustment often.

  • Page 30: Engine Maintenance

    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. 2. Dry the element by squeezing it in a clean cloth. Service Interval/Specification Important: Replace the foam element if it is torn Inspect the foam and paper elements and replace them if they...

  • Page 31: Changing The Engine Oil

    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 Checking the Engine Oil Level Note: Check the oil when the engine is cold. WARNING Contact with hot surfaces may cause personal injury.

  • Page 32: Changing The Engine Oil Filter

    3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position (Figure 42). g020534 G008796 Figure 43 Changing the Engine Oil Filter Note: Change the engine oil filter more frequently when g012596 operating conditions are extremely dusty or sandy.

  • Page 33: Servicing The Spark Plug

    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 g020534 gapping tool/feeler gauge to check and adjust the air gap.

  • Page 34: Fuel System Maintenance

    Fuel System Maintenance 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 G008794 Figure 46 pump can be purchased at a hardware store. DANGER In certain conditions, gasoline is extremely Installing the Spark Plug flammable and highly explosive.

  • Page 35: Servicing The Fuel Filter

    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 Always keep the battery clean and fully charged.

  • Page 36: Installing The Battery

    WARNING Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • 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.

  • Page 37: Servicing The Fuses

    Drive System Note: Do not run the machine with the battery disconnected, electrical damage may occur. 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.
  • Page 38 2 3 4 g015369 Figure 54 1. Left cable adjustment 2. Right cable adjustment 6. Check for proper tracking. 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).

  • Page 39: Checking The Tire Pressure

    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.

  • Page 40: Adjusting The Electric Clutch

    Adjusting the Electric Clutch Cooling System Maintenance Service Interval: Every 500 hours—Check the electric clutch. The clutch is adjustable to ensure proper engagement and Cleaning the Air Intake Screen proper braking. 1. Insert a 0.381–0.533 mm (0.015–0.021 inch) feeler Service Interval: Before each use or daily gauge through one inspection slot in the side of the Before each use remove any build-up of grass, dirt or other assembly.

  • Page 41: Brake Maintenance

    Brake Maintenance Adjusting the Brakes If the gap between the brake bar and tire is not correct, an Servicing the Brake adjustment is required. 1. Park the machine on a level surface, disengage the Before each use, check the brakes on both a level surface and PTO, and set the parking brake.

  • Page 42: Belt Maintenance

    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 1. Disengage the PTO and set the parking brake. belt. 2. Stop the engine, remove the key, and wait for all moving Every 100 hours—Check the mower deck belt(s).

  • Page 43: Replacing The Pump Drive Belt

    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 Figure 65 1. Belt 3. Spring 1. Hydraulic pumps 4.

  • Page 44: 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 45: Motion Control Levers

    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.

  • Page 46: Hydraulic System Maintenance

    System Starting and Stopping the Engine (page 16). 8. Recheck the fluid level while the fluid is warm. If ® ™ Hydraulic Oil Type: Toro HYPR-OIL 500 hydraulic oil required, add fluid to the reservoir until it reaches the ®...
  • Page 47 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).

  • Page 48: 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 49: Mower Deck Maintenance

    2. Curved Area 4. Crack out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.

  • Page 50: Leveling The Mower Deck

    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 1. Install the blade onto the spindle shaft (Figure 80). the spindle shaft (Figure 77). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting.
  • Page 51 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. g020807 Figure 82 1. Adjustment bolt 4.
  • Page 52 Adjusting the Right Side Front-to-Rear Matching the Rear of the Mower Deck Mower Deck Pitch 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 2.
  • Page 53 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.

  • Page 54: Replacing The Grass Deflector

    Adjusting the Compression Spring Replacing the Grass Deflector Note: Adjusting the compression spring will alter how much WARNING the deck will float and how much effort it takes to lift the deck when using the height-of-cut handle. An uncovered discharge opening could allow the •...

  • Page 55: 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 56 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.

  • Page 57: 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 58 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 59: Schematics

    Schematics Hydraulic Schematic (Rev. A)
  • Page 60 G015606 Electrical Schematic (Rev. A)
  • Page 61 Notes:...
  • Page 62 Notes:...
  • Page 63 Notes:...
  • Page 64 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. If all other remedies fail, you may contact us at Toro Warranty Company.

This manual is also suitable for:

Grandstand 74536Grandstand 79536Grandstand 79534

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