Toro GrandStand 74504 Operator's Manual

Toro GrandStand 74504 Operator's Manual

With 48in or 52in turbo force cutting unit
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Original Instructions (EN)
GrandStand
With 48in or 52in TURBO FORCE
Unit
Model No. 74504—Serial No. 404315000 and Up
Model No. 74505—Serial No. 404315000 and Up
Model No. 79504—Serial No. 404315000 and Up
Model No. 79505—Serial No. 404315000 and Up
Form No. 3425-643 Rev A
®
Mower
®
Cutting
*3425-643* A

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Summary of Contents for Toro GrandStand 74504

  • Page 1 With 48in or 52in TURBO FORCE ® Cutting Unit Model No. 74504—Serial No. 404315000 and Up Model No. 74505—Serial No. 404315000 and Up Model No. 79504—Serial No. 404315000 and Up Model No. 79505—Serial No. 404315000 and Up *3425-643* A Register at www.Toro.com. Original Instructions (EN)
  • Page 2 It is a violation of California Public Resource Code Dealer or Toro Customer Service and have the model Section 4442 or 4443 to use or operate the engine on and serial numbers of your product ready. Figure 1 any forest-covered, brush-covered, or grass-covered...
  • Page 3: Table Of Contents

    Contents Replacing the Fuel Filter ........34 Electrical System Maintenance ......35 Electrical System Safety ........35 Safety ............... 4 Servicing the Battery......... 35 General Safety ........... 4 Servicing the Fuses .......... 37 Safety and Instructional Decals ......4 Drive System Maintenance ........37 Product Overview .............
  • Page 4: Safety

    Safety • Keep clear of the discharge opening. • Keep bystanders and children out of the operating area. Do not allow children to operate the machine. This machine has been designed in accordance with Allow only people who are responsible, trained, ANSI B71.4-2017.
  • Page 5 decal116-8775 116-8775 1. Read the Operator’s Warning—fill to the bottom Manual. of the filler neck; do not overfill the tank. decal131-3507 131-3507 1. Read the Operator's 2. Belt tensioner Manual. decal131-3521 131-3521 1. Height of cut decal131-1180 131-1180 1. Read the Operator's 3.
  • Page 6 7.5A decal131-3528 131-3528 1. Key switch—15 A 3. Power takeoff (PTO)—10 decal133-4604 133-4604 2. Accessory port—15 A 4. Infocenter—7.5 A 1. Thrown object 3. Severing hazard of hand hazard—keep bystanders or foot—keep away from away from the machine. moving parts. 2.
  • Page 7 decal131-3525 131-3525 1. Disengage the parking brake. 5. Fast 2. Engage the parking brake. 6. Engine—speed 3. Engage the PTO. 7. Slow 4. Disengage the PTO. decal131-3526 131-3526 1. Power takeoff (PTO)—disengaged 5. Reverse 2. Fast 6. Traction drive 3. Slow 7.
  • Page 8: Product Overview

    Controls Product Overview Become familiar with all the controls (Figure 4) before you start the engine and operate the machine. Control Panel g031446 Figure 3 1. Front caster wheel 7. Fuel tank 2. Side-discharge chute 8. Platform (down position) 3. Engine 9.
  • Page 9: Specifications

    Contact Battery-Indicator Light your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all If you turn the key to the O position for a few approved attachments and accessories.
  • Page 10: Before Operation

    Operation – Store fuel in an approved container and keep it out of the reach of children. • Fuel is harmful or fatal if swallowed. Long-term Before Operation exposure to vapors can cause serious injury and illness. – Avoid prolonged breathing of vapors. Before Operation Safety –...
  • Page 11: Performing Daily Maintenance

    Using Stabilizer/Conditioner Breaking in a New Machine Use fuel stabilizer/conditioner in the machine to keep New engines take time to develop full power. Mower the fuel fresh longer when used as directed by the decks and drive systems have higher friction when fuel-stabilizer manufacturer.
  • Page 12: During Operation

    Testing the Safety-Interlock During Operation System During Operation Safety Service Interval: Before each use or daily Test the safety-interlock system before you use the General Safety machine each time. • Note: The owner/operator can prevent and is responsible If the safety system does not operate as for accidents that may cause personal injury or described below, have an Authorized Service Dealer property damage.
  • Page 13: Operating The Parking Brake

    Do not use the machine as a towing vehicle. Brake • Use only accessories and attachments approved by The Toro® Company. Always engage the parking brake when you shut off the machine or leave it unattended. Before each use, Slope Safety check the parking brake for proper operation.
  • Page 14: Operating The Mower-Blade-Control Switch (Pto)

    Operating the Operating the Throttle Mower-Blade-Control You can move the throttle control between F positions (Figure 12). Switch (PTO) Always use the F position when engaging the PTO. Use the blade-control switch (PTO) in conjunction with the motion-control levers to engage and disengage the mower blades.
  • Page 15: Operating The Ignition Switch

    Operating the Ignition Starting the Engine Switch Important: Do not engage the starter for more than 5 seconds at a time. If the engine fails to Important: Do not engage the starter for more start, wait 15 seconds between attempts. Failure than 5 seconds at a time.
  • Page 16: Shutting Off The Engine

    Shutting Off the Engine Operating the Platform You can use the machine with the platform in the CAUTION up or down position. It is your preference on which position to use. Children or bystanders may be injured if they move or attempt to operate the machine while WARNING it is unattended.
  • Page 17: Driving Forward Or Backward

    Driving Forward Disengage the parking brake; refer to Operating the Parking Brake (page 13). Move the motion-control levers to the center, unlocked position. g031026 Figure 18 1. Platform up 3. Pull the knob out to release the platform. 2. Platform down g030983 Figure 19 1.
  • Page 18: Side Discharging Or Mulching The Grass

    Side Discharging or Mulching the Grass This machine has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER 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.
  • Page 19: Adjusting The Height-Of-Cut

    Adjusting the Height-of-Cut Adjusting the Flow Baffle The height-of-cut can be adjusted from 38 to 127 mm You can adjust the mower-discharge flow for different (1-1/2 to 5 inches) in 6 mm (1/4 inch) increments. types of mowing conditions. Position the cam lock and baffle to provide the best quality of cut.
  • Page 20: Positioning The Flow Baffle

    Positioning the Flow Baffle Position B Use this position when bagging (Figure 25). The following figures are for recommended use only. Adjustments vary by grass type, moisture content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open the baffle.
  • Page 21: Using Weights

    Using Weights After Operation • Install weights to improve balance. You can add or remove weights to create optimized performance After Operation Safety under different operating conditions and for your preference. General Safety • Add or remove weights 1 at a time until you achieve the desired handling and balance.
  • Page 22: Using The Fuel-Shutoff Valve

    Using the Fuel-Shutoff Pushing the Machine by Hand Valve The bypass valves allow you to push the machine by Close the fuel-shutoff valve for transport, maintenance, and storage (Figure 27). hand without the engine running. Important: Always push the machine by hand. Ensure that the fuel-shutoff valve is open when starting the engine.
  • Page 23: Transporting The Machine

    Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury.
  • Page 24 g031405 Figure 30 1. Back the machine up the 2. Walk the machine down ramp. the ramp. Shut off the engine, remove the key, and engage the parking brake. Tie down the machine near the front caster wheels and the rear bumper with straps, chains, cable, or ropes (Figure 31).
  • Page 25: Maintenance

    To ensure optimum performance and continued the engine running. safety certification of the machine, use only • Carefully release pressure from components with genuine Toro replacement parts and accessories. stored energy. Replacement parts and accessories made by • Check the parking brake operation frequently.
  • Page 26: Pre-Maintenance Procedures

    Maintenance Service Maintenance Procedure Interval • Change the engine oil. • Check, clean and gap the spark plug. • Check the battery. • Check the clutch. Every 100 hours • Check and clean the engine cooling fins and shrouds (more often in dirty or dusty conditions).
  • Page 27: Lubrication

    Lubrication Greasing the Front Caster Pivots Greasing the Machine Service Interval: Yearly Grease with No. 2 lithium or molybdenum grease. Grease type: Lithium or molybdenum grease Remove the dust cap and adjust the caster Disengage the PTO and set the parking brake. pivots;...
  • Page 28: Greasing The Motion Controls

    Greasing the Motion Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly. Controls Pry out the seals, inspect bearings for wear or damage, and replace them if necessary. Service Interval: Yearly Pack the bearings with a general-purpose Grease the operator-presence-control balljoint and grease.
  • Page 29: Engine Maintenance

    Engine Maintenance Note: Avoid knocking the filter into the side of the body. Remove the inner filter only to replace it. Engine Safety • Shut off the engine before checking the oil or Inspecting the Filters adding oil to the crankcase. Inspect the safety filter.
  • Page 30: Servicing The Engine Oil

    Servicing the Engine Oil Engine-Oil Specifications Oil Type:: Detergent oil (API service SF, SG, SH, SJ or SL) g031341 Engine Oil Capacity: 2.1 L (71 fl oz) with the filter; 1.8 L (61 fl oz) without the filter Viscosity: Refer to the table below. g004216 Figure 37 Checking the Engine-Oil Level...
  • Page 31 Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours Note: Dispose of the used oil at a recycling center. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely.
  • Page 32: Servicing The Spark Plug

    Removing the Spark Plug Park the machine on a level surface, disengage the PTO, and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g031341 Remove the spark plug as shown in Figure g031449...
  • Page 33: Checking The Spark Arrester

    Installing the Spark Plug Fuel System Maintenance Draining the Fuel Tank You can drain the fuel tank by removing it and pouring the fuel out of the fill neck; refer to Removing the Fuel Tank (page 34). You can also drain the fuel tank by using a siphon in the following procedure.
  • Page 34: Removing The Fuel Tank

    Replacing the Fuel Filter Service Interval: Every 800 hours/Yearly (whichever comes first) Do not install a dirty filter if it is removed from the fuel line. Note: Wipe up any spilled fuel. Park the machine on a level surface, disengage the PTO, and engage the parking brake.
  • Page 35: Electrical System Maintenance

    Electrical System Maintenance Electrical System Safety • Disconnect the battery or remove the spark-plug wire before making any repairs. Disconnect the negative terminal first and the positive terminal last. Connect the positive terminal first and negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames.
  • Page 36 Charging the Battery Installing the Battery Install the battery as shown in Figure WARNING Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from battery. Important: Always keep the battery fully charged (1.265 specific gravity) to prevent battery damage when the temperature is below 0°C (32°F).
  • Page 37: Servicing The Fuses

    Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses and requires no maintenance. If a fuse blows, check the component or circuit for a malfunction or short. Adjusting the Tracking Release the cushion from the rear of the machine.
  • Page 38: Checking The Tire Pressure

    Adjusting the Caster-Pivot Note: If you are unable to achieve proper tracking by adjusting the left control rod, contact Bearing your Authorized Service Dealer. Check that the machine does not creep from Service Interval: Every 500 hours/Yearly (whichever the neutral position with the park brakes comes first) disengaged.
  • Page 39: Removing The Clutch Shim

    Removing the Clutch Shim Remove the locknut and wheel bolt holding the caster wheel to the caster fork (Figure 55). Service Interval: Every 100 hours When the clutch brake has worn to the point where the clutch no longer engages consistently, you can remove the shim to extend the clutch life (Figure 56).
  • Page 40 Measure the gap between the rotor and is sometimes difficult to measure the true armature. If the gap is greater than 1 mm (0.04 gap. inch), proceed with the following steps: Loosen both brake mounting bolts 1/2 to 1 full turn as shown in Figure Note: Do not remove the brake pole from...
  • Page 41: Checking The Wheel-Lug Nuts

    Checking the Wheel-Lug Cooling System Nuts Maintenance Service Interval: After the first 100 hours—Check the wheel-lug nuts. Cleaning the Air-Intake Check and torque the wheel-lug nuts to 115 to 142 Screen N∙m (85 to 105 ft-lb). Service Interval: Before each use or daily Before each use, remove any buildup of grass, dirt, or other debris from the cylinder and cylinder-head cooling fins, air-intake screen on the flywheel end,...
  • Page 42: Brake Maintenance

    Brake Maintenance Belt Maintenance Testing the Parking Brake Checking the Belts Service Interval: Before each use or daily Service Interval: Every 100 hours—Check the mower-deck belt(s). Before each use, test the parking brake on both a level surface and slope. Check belts for cracks, frayed edges, burn marks, wear, signs of overheating, or any other damage.
  • Page 43: Replacing The Transmission Belt

    Replacing the Transmission Belt Service Interval: Every 1,000 hours—Replace the transmission belt. Remove the fuel tank; refer to Removing the Fuel Tank (page 34). Remove the hydraulic-reservoir cap. Locate the drain plugs in the bottom of the transmission and place a drain pan under the plug (Figure 65).
  • Page 44: Controls System Maintenance

    Controls System CAUTION The spring is under tension when Maintenance installed and can cause personal injury. Wear safety glasses and be careful when Adjusting the removing the spring. Motion-Control Levers Remove the deck belt from the clutch and clutch stop (Figure 66).
  • Page 45: Hydraulic System Maintenance

    Hydraulic System Important: Ensure that the flat portion of the cam does not go above a vertical position Specifications (right or left); otherwise you may damage the switch. Hydraulic Fluid Type: Toro ® HYPR-OIL ™ Repeat steps through for the left hydraulic fluid motion-control lever.
  • Page 46: Replacing The Hydraulic Fluid And Filters

    Remove the hydraulic-reservoir cap. Locate the drain plug in the bottom of each transmission and place a drain pan under the plugs (Figure 70). g031401 Figure 69 g268090 Figure 70 1. Hydraulic-tank cap 2. Fill level 1. Drain plug 2. Hydraulic filter Remove the cap from the filler neck (Figure 69).
  • Page 47: Bleeding The Hydraulic System

    Mower Deck Important: Use the fluid specified in Hydraulic System Specifications (page 45) Maintenance equivalent. Other fluids could cause system damage. Important: Monitor the level of fluid in the Servicing the Cutting hydraulic tank so that you do not overfill it. Blades Tighten the vent plugs.
  • Page 48 For best performance and continued safety conformance of the machine, use Checking for Bent Blades genuine Toro replacement blades. Replacement blades made by other manufacturers may result in Rotate the blades until the ends face forward non-conformance with safety standards.
  • Page 49: Leveling The Mower Deck

    g000552 Figure 75 1. Sharpen at original angle. Check the balance of the blade by putting it on a blade balancer (Figure 76). Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Note: If the blade is not balanced, file some metal off the end of the sail area only...
  • Page 50 Measure at the B and C locations from a level Rotate the top bolt of the yokes to adjust the surface to the cutting edge of blade tips (Figure height of the mower deck (Figure 79). 78). Note: Rotate the bolts clockwise to raise the deck;...
  • Page 51 g031416 g000975 Figure 81 Figure 82 1. Top bolt 4. Side nut 1. Measure from a level 2. Measure the blade at point surface 2. Jam nut 5. Adjust these yokes to adjust the front side of the mower deck. If the measurement is not correct, locate the 3.
  • Page 52: Adjusting The Deck-Lift Spring

    Adjusting the Deck-Lift Replacing the Grass Spring Deflector Note: Adjusting the compression spring alters how WARNING much the deck floats and the amount of effort needed An uncovered discharge opening could allow to lift the deck when using the height-of-cut lever. the machine to throw objects toward you or •...
  • Page 53: Cleaning

    Cleaning Storage Storage Safety Cleaning under the Mower • Let the engine cool before storing the machine. Deck • Do not store the machine or fuel near flames or drain the fuel indoors. Service Interval: Before each use or daily Before each use or daily Cleaning and Storage Remove the grass buildup under the mower daily.
  • Page 54 Important: Do not store fuel containing stabilizer/conditioner longer than the duration recommended by the fuel-stabilizer manufacturer. Remove the spark plug(s) and check its condition; refer to Servicing the Spark Plug (page 32). With the spark plug(s) removed from the engine, pour 15 ml (2 tablespoons) of engine oil into the spark-plug hole, and use the starter to crank the engine and distribute the oil inside the cylinder.
  • Page 55: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The engine does not start, starts hard, or 1. The fuel tank is empty or the shutoff 1. Fill the fuel tank with fuel and open the fails to keep running. valve is closed. valve 2.
  • Page 56 Problem Possible Cause Corrective Action The cutting height is uneven. 1. Blade(s) are not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. The mower deck is not level. 3. Level the mower deck side-to-side position.
  • Page 57: Schematics

    Schematics g233852 Electrical Schematic (Rev. A)
  • Page 58 Notes:...
  • Page 59 Notes:...
  • Page 60 While the exposure from Toro products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Toro has elected to provide the Prop 65 warnings. Moreover, if Toro does not provide these warnings, it could be sued by the State of California or by private parties seeking to enforce Prop 65 and subject to substantial penalties.

This manual is also suitable for:

Grandstand 74505Grandstand 79504Grandstand 79505

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