Toro 23521 Operator's Manual

Brush cutter walk behind
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Original Instructions (EN)
Brush Cutter
Walk Behind
Model No. 23521—Serial No. 400000000 and Up
Model No. 33521—Serial No. 400000000 and Up
Form No. 3466-415 Rev A
*3466-415*

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Summary of Contents for Toro 23521

  • Page 1 Form No. 3466-415 Rev A Brush Cutter Walk Behind Model No. 23521—Serial No. 400000000 and Up Model No. 33521—Serial No. 400000000 and Up *3466-415* Register at www.Toro.com. Original Instructions (EN)
  • Page 2 Authorized Service available as an option. If you require a spark arrester, Dealer or Toro Customer Service and have the model contact your Authorized Toro Service Dealer. and serial numbers of your product ready. identifies...
  • Page 3: Table Of Contents

    Contents Before Inspecting or Servicing the Blade............. 26 Inspecting the Blade ......... 26 Safety ............... 4 Checking for a Bent Blade ........ 26 General Safety ........... 4 Removing the Blade ......... 27 Safety and Instructional Decals ......4 Sharpening the Blade ........27 Setup ................
  • Page 4: Safety

    Safety • Do not operate the machine without all guards and other safety protective devices in place and working on the machine. General Safety • Keep bystanders and children a safe distance away from the machine. Do not allow children to This product is capable of amputating hands and operate the machine.
  • Page 5 decal136-4646 136-4646 1. When the machine has 3. When the machine has no power, disengage the power, engage the bypass bypass and transport the and push the machine to machine normally. transport it. decal161-6879 161-6879 2. Read the Operator's Manual. 1.
  • Page 6: Setup

    Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Cable tie Handle bolt Nut (5/16 inch) Install the handle. Slotted-head bolt (#10) Locknut (#10) – No parts required Connect the negative battery cable. Installing the Handle Parts needed for this procedure: Cable tie...
  • Page 7: Connecting The Negative Battery Cable

    g195546 Figure 5 1. Negative battery cable 3. Battery g195541 2. Bolt and nut Figure 4 1. Operator’s Manual tube 4. Slotted-head bolt (2) 2. Clamp (2) 5. Cable tie 3. Throttle cable 6. Locknut (2) Slide the clamps onto the Operator’s Manual tube and install it on top of the lower handle using 2 slotted-head bolts and 2 locknuts (Figure...
  • Page 8: Product Overview

    Product Overview g464863 Figure 6 1. Brush bar 4. Right hand grip and traction 7. Fuel-tank cap 10. Bypass lever control 2. Cutter deck 5. Control panel 8. Fuel-shutoff valve 3. Engine 6. Left hand grip and 9. Parking brake blade-control clutch Controls Become familiar with all the controls ( and...
  • Page 9 Blade-Control Clutch (Figure 9). Disengage the parking brake by lifting the lever and push it inward through the keyhole. Use the blade-control clutch to engage and disengage the mower blade. Ignition Switch The ignition switch has 3 positions: O , and .
  • Page 10: Specifications

    To ensure optimum performance and continued safety • Inspect the area where you will use the machine, certification of the machine, use only genuine Toro and remove all objects that could interfere with replacement parts and accessories. Replacement the operation of the machine or that the machine parts and accessories made by other manufacturers could throw.
  • Page 11: Fuel Specification

    Fuel Specification Checking the Engine-Oil Level Petroleum Use unleaded gasoline with an octane rating of 87 fuel or higher ((R+M)/2 rating method). Before you start the engine and use the machine, Use an unleaded-gasoline blend with up to 10% check the oil level in the engine crankcase; refer to ethanol (gasohol) or 15% MTBE (methyl tertiary Checking the Engine-Oil Level (page 17).
  • Page 12: Starting And Shutting Off The Engine

    Starting and Shutting Off • Use accessories and attachments approved by the Engine The Toro® Company only. Slope Safety Starting the Engine • Slopes are a major factor related to loss of control Note:...
  • Page 13: Operating The Traction Control

    Operating the Traction Control To move the machine forward, squeeze the traction control toward the hand grip (Figure 12). To move the machine rearward, push the thumb pad down to move the traction control away from the hand grip (Figure 12).
  • Page 14: Moving A Nonfunctioning Machine

    Moving a Nonfunctioning Machine Park the machine on a level surface and disengage the blade-control clutch. Engage the parking brake, shut off the engine, remove the key, and wait for all moving parts to stop. Move the bypass lever outward through the keyhole and down to lock it in place.
  • Page 15: 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 • Check the engine-oil level. • Clean the cooling system (more often in dusty, dirty conditions). •...
  • Page 16: Engine Maintenance

    Engine Maintenance Lift the end of the filter and remove it from the air intake. Engine Safety • Keep your hands, feet, face, other body parts, and clothing away from the muffler and other hot surfaces. Allow engine components to cool before performing maintenance.
  • Page 17: Servicing The Engine Oil

    Installing the Air Cleaner Install the foam pre-cleaner element over the paper element. Note: Ensure that you do not damage the elements. Install the air-cleaner elements onto the air-cleaner base. Install the cover and secure it with the latches. Servicing the Engine Oil Engine-Oil Specifications Oil Type: Detergent oil (including synthetic) of API service SJ or higher...
  • Page 18 g373564 Figure 22 Slowly pour approximately 80% of the specified g373547 Figure 21 oil into the filler tube and slowly add the additional oil to bring it to the Full mark. Change the engine-oil filter. Note: Ensure that the oil-filter gasket touches the engine and then turn the filter an extra 3/4 turn.
  • Page 19: Servicing The Spark Plug

    g027478 Figure 24 Checking the Spark Plug Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has a black coating, worn electrodes, an oily film, or cracks. If you see light brown or gray on the insulator, the engine is operating properly.
  • Page 20: Cleaning The Cooling System

    Cleaning the Cooling Fuel System System Maintenance Park the machine on a level surface, shut off the engine, wait for all moving parts to stop, and DANGER remove the key from the ignition switch before In certain conditions, gasoline is extremely leaving the operating position.
  • Page 21: Electrical System Maintenance

    Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first g464940 and the positive last. Connect the positive terminal first and the negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames.
  • Page 22: Charging The Battery

    Charging the Battery Remove the nuts and securing rods from both sides of the battery, battery cover, and battery tray. Service Interval: Before storage—Charge the battery and disconnect battery cables. Remove the battery from the chassis; refer to Removing the Battery (page 21).
  • Page 23: Servicing A Replacement Battery

    Servicing a Replacement Drive System Battery Maintenance The original battery is maintenance-free and does not require service. For servicing a replacement battery, Checking the Tire Pressure refer to the battery manufacturer’s instructions. Service Interval: Before each use or daily Every 25 hours—Check tire pressure. Maintain the air pressure in the tires as specified.
  • Page 24: Cooling System Maintenance

    Belt Maintenance Cooling System Maintenance Inspecting the Belts Cleaning the Engine Screen Service Interval: Every 25 hours—Check the belts for wear/cracks. Service Interval: Before each use or daily—Clean Check the belts for cracks, frayed edges, burn marks, the engine air-intake screen. or any other damage.
  • Page 25: Replacing The Mower Belt

    Replacing the Mower Belt Park the machine on a level surface, disengage the blade, and engage the parking brake. Turn the ignition key to the O position, remove the key, and disconnect the spark plug wire from the spark plug. Use lifting equipment to raise the machine and support it with jack stands.
  • Page 26: Mower Maintenance

    Mower Maintenance Checking for a Bent Blade Straight Blade Only To ensure a superior quality of cut, keep the blade sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. WARNING A blade that is bent or damaged could break Blade Safety apart and could seriously injure or kill you or bystanders.
  • Page 27: Removing The Blade

    To ensure optimum performance and continued safety conformance of Remove the blade bolt, curved washer, and the machine, use genuine Toro replacement blades. blade from the spindle cup assembly (Figure 38).
  • Page 28: Installing The Blade

    Cleaning For straight blades only, check the balance of the blade by putting it on a blade balancer (Figure 40). Removing Debris from the If the blade is not balanced, file some metal off the back side of the blade (opposite of the Machine cutting edge) only (Figure...
  • Page 29: Storage

    Storage Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. Store the machine in a clean, dry garage or Storing the Machine storage area. Cover the machine to protect it and keep it clean. For storage over 30 days, prepare the machine as follows: Park the machine on a level surface, disengage...
  • Page 30: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3.
  • Page 31 Problem Possible Cause Corrective Action The cutting height is uneven. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2. The cutting blade is bent. 2. Install a new cutting blade. 3. The underside of the mower is dirty. 3.
  • Page 32 Notes:...
  • Page 33 Notes:...
  • Page 34 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.
  • Page 35 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.

This manual is also suitable for:

33521

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