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Form No. 3367-576 Rev A
DH 220 Lawn Tractor
Model No. 74593—Serial No. 311000001 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 74593

  • Page 1 Form No. 3367-576 Rev A DH 220 Lawn Tractor Model No. 74593—Serial No. 311000001 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: Introduction

    Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product.
  • Page 3: Table Of Contents

    Safe Operation Practices for Riding Rotary Checking the Tire Pressure ......... 30 Lawn Mowers........... 4 Servicing the Brake..........30 Toro Riding Mower Safety ........5 Servicing the Grass Collector........31 Sound Pressure............. 6 Removing the Grass Collector ......31 Sound Power ............6 Installing the Grass Collector......
  • Page 4: Safety

    Preparation Safety • While mowing, always wear substantial footwear and long trousers. Do not operate the equipment when Safe Operation Practices for barefoot or wearing open sandals. Riding Rotary Lawn Mowers • Thoroughly inspect the area where the equipment is to be used and remove all objects which may be Read and understand the contents of this manual before thrown by the machine.
  • Page 5: Toro Riding Mower Safety

    – before checking, cleaning or working on the lawn The following paragraph contains safety information mower; specific to Toro products that is not included in the CEN standard. – after striking a foreign object. Inspect the lawn mower for damage and make repairs before Use only Toro-approved attachments.
  • Page 6: Sound Pressure

    Sound Pressure This unit has a sound pressure level at the operator’s ear of 82 dBA, which includes an Uncertainty Value (K) of 1 dBA. The sound pressure level was determined according to the procedures outlined in EN 836. Sound Power This unit has a guaranteed sound power level of 100 dBA, which includes an Uncertainty Value (K) of 1 dBA.
  • Page 7: Slope Indicator

    Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 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 15 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. Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer.
  • Page 9 104-3237 1. Parking brake 104-3238 1. Starting procedure 6. Lock the parking brake. 104-3233 2. Read the Operator’s 7. If the engine is cold, move 1. Choke 4. Pull the knob out to start Manual. the throttle control lever to the PTO.
  • Page 10 104-3241 119-2725 1. Forward 4. Slow 1. Warning—read the Operator’s Manual. 2. Continuous variable speed 5. Fast 2. Warning—remove the spark plug wire before performing 3. Neutral 6. Reverse any maintenance on the machine. 3. Tipping hazard—do not operate on slopes greater than 10 degrees.
  • Page 11: Product Overview

    Product Overview Operation Note: Determine the left and right sides of the Controls machine from the normal operating position. Become familiar with the controls (Figure 4) before you Adding Fuel start the engine and operate the machine. Use unleaded regular gasoline suitable for automotive use (85 pump octane minimum).
  • Page 12: Using Stabilizer/Conditioner

    Using Stabilizer/Conditioner Note: The clutch/brake pedal should stay in the depressed (locked) position. Use a fuel stabilizer/conditioner in the traction unit to provide the following benefits: Releasing the Parking Brake • It keeps gasoline fresh during storage of 90 days 1.
  • Page 13: Hour Meter

    Hour Meter Disengaging the Blades 1. Depress the brake pedal to stop the machine. The hour meter is located on the instrument panel (Figure 4) and shows the total operating hours of the 2. Push the blade control (PTO) knob into the machine.
  • Page 14: Starting The Engine

    • If you use the height-of-cut setting 1 or 2, move 3. Set the parking brake; refer to Setting the parking the gauge wheels to the upper (highest) hole in the Brake. wheel brackets (Figure 9). 4. Disengage the blades (PTO). Refer to Figure 11. •...
  • Page 15: Stopping The Engine

    Using the Safety Interlock System Service Interval: Before each use or daily CAUTION If the safety interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine.
  • Page 16: Testing The Safety Interlock System

    G012078 Figure 14 1. Operating-in-reverse light 4. Operate the machine in reverse and complete your task. 5. Disengage the blades (PTO) to activate the interlock. Figure 13 6. Remove the KeyChoice key and put it in a safe place 1. KeyChoice switch out of the reach of children.
  • Page 17: Pushing The Machine Manually

    5. Shift the blade control (PTO) knob into the Disengage position and put the traction control pedal in Neutral. Start the engine, shift the blade control (PTO) knob into the Engage position, and turn the KeyChoice key and release it: The operating-in-reverse warning light should illuminate.
  • Page 18: Stopping The Machine

    CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition and KeyChoice keys and set the parking brake when leaving the machine unattended, even if it is just for a few minutes.
  • Page 19: Towing Attachments

    Operating Tips • For the best performance, operate the engine at the maximum speed. The mower requires air to thoroughly cut grass clippings, so do not set the height-of-cut too low or completely surround the mower in uncut grass. Always leave one side of the mower free from uncut grass to allow the air to be drawn into the mower.
  • Page 20: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 5 hours • Check the safety interlock system. •...
  • Page 21: Where To Add Grease

    6. Connect a grease gun to each fitting and pump grease into it. 7. Wipe up any excess grease. Where to Add Grease Figure 19 Item Name Quantity Interval (hours) Lubricant (pumps) Front wheel—grease fittings Grease Steering ball joints Steering sector gear Grease Steering pinion gear Grease...
  • Page 22 2. Set the parking brake. 3. Stop the engine and wait for all moving parts to stop. 4. Remove the ignition key. 5. Open the hood. Removing the Foam and Paper Elements 1. Clean around the air cleaner to prevent dirt from getting into the engine and causing damage.
  • Page 23: Servicing The Engine Oil

    Cleaning the Foam and Paper Elements Foam Element 1. Wash the foam element in liquid soap and warm water and rinse it thoroughly. 2. Dry the element by squeezing it in a clean cloth. 3. Saturate the element in engine oil. 4.
  • Page 24: Changing The Engine Oil Filter

    Changing the Engine Oil Filter 12. Stop the engine and wait for 30 seconds. 13. Check the oil level again and add oil if necessary. Service Interval: Every 100 hours Important: Do not overfill the crankcase with 1. Drain the oil from the engine; refer to Changing the engine oil and run the engine;...
  • Page 25: Servicing The Spark Plug

    Servicing the Spark Plug Service Interval: Every 25 hours—Check the spark plug. Every 100 hours—Replace the spark plug. Use a Champion RC12YC or equivalent spark plug. Figure 27 Ensure that the air gap between the center and side 1. Center electrode insulator 3.
  • Page 26: Fuel System Maintenance

    Fuel System Note: Now is the best time to install a new fuel filter because the fuel tank is empty. Maintenance 9. Install the fuel line onto the fuel filter. 10. Slide the hose clamp close to the fuel filter to secure Draining the Fuel Tank both the fuel line and the fuel filter (Figure 28).
  • Page 27: Electrical System Maintenance

    Electrical System Maintenance Servicing the Headlights Removing the Bulb 1. Disengage the blades (PTO). 2. Set the parking brake. Figure 31 3. Stop the engine and wait for all moving parts to stop. 1. Bulb 3. Bulb holder 4. Remove the ignition key. 2.
  • Page 28: Servicing The Battery

    To replace a fuse, pull up to remove it from the socket. Push down to insert it. • Main/ Battery—15 amp • Interlock, electric clutch, and cruise control—10 • Full bag buzzer—5 amp Servicing the Battery Always keep the battery clean and fully charged. Use a paper towel to clean the battery and battery box.
  • Page 29: Charging The Battery

    Important: Do not overfill the battery. (Figure 33). Slide the rubber cover over the battery post. Electrolyte (sulfuric acid) can severely corrode and damage the chassis. Checking the Electrolyte Level 4. Replace the filler caps. Service Interval: Before each use or daily Charging the Battery 1.
  • Page 30: Drive System Maintenance

    Checking the Brake Drive System Service Interval: Before each use or daily Maintenance 1. Park the machine on a level surface. 2. Disengage the blades (PTO). Checking the Tire Pressure 3. Set the parking brake. Service Interval: Every 25 hours/Yearly (whichever 4.
  • Page 31: Servicing The Grass Collector

    Servicing the Grass 7. Wipe the area around the full-bag sensor. 8. Ensure that the bag on demand is in the bagging Collector mode and clean the inside of the tunnel all the way to the mower. Removing the Grass Collector 9.
  • Page 32: Mower Deck Maintenance

    Mower Deck Important: If the shear pins are broken, the mower belt may be damaged. Inspect the belt; refer to Maintenance Adjusting the Blade Drive Belt. Removing the Blades Servicing the Blades 1. Remove the mower; refer to Removing the Mower. Service Interval: Before each use or daily 2.
  • Page 33: Removing The Mower

    2. Position the blades 90 degrees to each other (Figure 41). Figure 41 Figure 42 3. Tighten the blade bolts to 37 ft-lb (50 N-m). 1. Idler pulley and idler arm 7. Front pin assembly 2. V-belt 8. Engine pulley Removing the Mower 3.
  • Page 34: Installing The Mower

    Installing the Mower Reverse the procedure for Removing the Mower. Adjusting the Height Adjustment Cable Rod Assembly Service Interval: Every 100 hours/Yearly (whichever comes first)—Check the front-to-rear blade slope. (Also check it whenever you install the mower.) Before you check the slope, inflate the front and rear tires to the recommended air pressure;...
  • Page 35: Storage

    Storage F. Start and run the engine until it will not start again. 1. Disengage the blades (PTO). G. Recycle the old fuel according to local codes. 2. Set the parking brake. H. Close the fuel shut-off valve. 3. Stop the engine and wait for all moving parts to stop. Important: Do not store stabilizer/conditioned gasoline over 90 days.
  • Page 36: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade control (PTO) knob is 1. Move the blade control (PTO) knob to engaged. the Disengaged position. 2. The parking brake is not on. 2. Set the parking brake. 3.
  • Page 37 Problem Possible Cause Corrective Action There is abnormal vibration. 1. The blades are bent or unbalanced. 1. Install a new blades. 2. The blade mounting screws are loose. 2. Tighten the blade mounting screws. 3. The engine mounting bolts are loose. 3.
  • Page 38 Notes:...
  • Page 39 Spypros Stavrinides Limited Cyprus 357 22 434131 Surge Systems India Limited India 91 1 292299901 T-Markt Logistics Ltd. Hungary 36 26 525 500 Toro Australia Australia 61 3 9580 7355 Toro Europe BVBA Belgium 32 14 562 960 374-0269 Rev A...
  • Page 40 Instructions for Obtaining Warranty Service The Toro® Company and its affiliate, Toro Warranty Company, pursuant to If you think that your Toro Product contains a defect in materials or an agreement between them, jointly promise to repair the Toro Product...

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Dh 220

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