Toro 74683 Operator's Manual
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Original Instructions (EN)
TimeCutter
Mower
Model No. 74683—Serial No. 412270000 and Up
Form No. 3455-888 Rev A
®
ZS 4200S Riding
*3455-888*

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Summary of Contents for Toro 74683

  • Page 1 Form No. 3455-888 Rev A TimeCutter ® ZS 4200S Riding Mower Model No. 74683—Serial No. 412270000 and Up *3455-888* Register at www.Toro.com. Original Instructions (EN)
  • Page 2 Authorized Service accidents. This symbol will appear with the word Dealer or Toro Customer Service and have the model Danger, Warning, or Caution. and serial numbers of your product ready.
  • Page 3: Table Of Contents

    Contents Replacing the In-Line Fuel Filter ....... 36 Electrical System Maintenance ......37 Electrical System Safety ........37 Safety ............... 4 Servicing the Battery......... 37 General Safety ........... 4 Servicing the Fuses .......... 38 Slope Indicator ........... 5 Drive System Maintenance ........39 Safety and Instructional Decals ......
  • Page 4: Safety

    Safety This machine has been designed in accordance with EN ISO 5395:2013. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury or death. • Read and understand the contents of this Operator’s Manual before starting the engine.
  • Page 5: Slope Indicator

    Slope Indicator g011841 Figure 3 You may copy this page for personal use. 1. The maximum slope you can 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 6: 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 missing. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1.
  • Page 7 decal132-0872 132-0872 1. Thrown object 3. Severing hazard of hand hazard—keep bystanders or foot—keep away from away from the machine. moving parts. 2. Thrown object hazard, 4. Entanglement raised deflector—do not hazard—keep away operate the machine with from moving parts; keep an open deck;...
  • Page 8 decal140-2716 140-2716 1. Choke 3. Slow 2. Fast decal144-5288 144-5288 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
  • Page 9: Product Overview

    Product Overview g378562 Figure 4 1. Engine 4. Motion-control levers 7. Deflector 10. Control panel 2. Operator seat 5. Rear drive wheel 8. Smart Speed™ lever 3. Fuel-tank cap 6. Front caster wheels 9. Height-of-cut lever...
  • Page 10: Controls

    Controls Motion-Control Levers Use the motion-control levers to drive the machine Become familiar with all the controls before you start forward, reverse, and turn either direction (Figure the engine and operate the machine. Park Position Control Panel Move the motion-control levers outward from the center to the P position when exiting the machine to engage the electric brake...
  • Page 11: Specifications

    Do not operate the machine unless they your Authorized Service Dealer or authorized Toro are functioning properly. distributor or go to www.Toro.com for a list of all approved attachments and accessories. • Shut off the engine, remove the key, and wait...
  • Page 12: Adding Fuel

    Fuel Safety Adding Fuel • Fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and Recommended Fuel others and can damage property. Type Unleaded gasoline – To prevent a static charge from igniting the fuel, remove the machine from the truck or Minimum octane rating 87 (US) or 91 (research...
  • Page 13: Performing Daily Maintenance

    Understanding the Safety-Interlock System The safety-interlock system is designed to prevent the engine from starting unless: • The blade-control switch (PTO) is disengaged. • The motion-control levers are in the P position. The safety-interlock system also is designed to shut off the engine whenever the control levers are out of the P position and you rise from the seat.
  • Page 14: Positioning The Seat

    Positioning the Seat Adjusting the Tilt You can adjust the motion-control levers forward or The seat can move forward and backward. Position rearward for your comfort. the seat where you have the best control of the machine and are most comfortable (Figure Loosen the upper bolt holding the control lever to the control-arm shaft.
  • Page 15: Removing The Discharge Cover For Side-Discharging

    Removing the Discharge Installing the Discharge Cover for Side-Discharging Cover for Mulching Park the machine on a level surface, disengage Park the machine on a level surface, disengage the blade-control switch (PTO), and move the the blade-control switch (PTO), and move the motion-control levers outward to the P motion-control levers outward to the P position.
  • Page 16: During Operation

    • Use only accessories and attachments approved • Do not operate the machine while ill, tired, or by Toro. under the influence of alcohol or drugs. • This machine produces sound levels in excess • Contacting the blade can result in serious personal of 85 dBA at the operator’s ear and can cause...
  • Page 17 • Clean grass and debris from the cutting unit, machine could suddenly roll over if a wheel goes drives, muffler, and engine to help prevent fires. over the edge or the edge collapses. Keep a safe distance (twice the width of the machine) between •...
  • Page 18: Operating The Mower Blade-Control Switch (Pto)

    Towing Safety Operating the Mower • Do not attach towed equipment except at the hitch Blade-Control Switch (PTO) point. The blade-control switch (PTO) starts and stops the • Do not use the machine as a towing vehicle unless mower blades and any powered attachments. it has a hitch installed.
  • Page 19: Operating The Throttle

    Operating the Throttle Starting the Engine You can move the throttle control between the F Important: Do not engage the starter for more and S positions (Figure 21). than 5 seconds at a time. Engaging the starter motor for more than 5 seconds can damage the Always use the F position when engaging the PTO.
  • Page 20: Shutting Off The Engine

    Shutting Off the Engine Driving the Machine Disengage the blades by moving the The drive wheels turn independently, powered by blade-control switch to the O position. hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing Move the motion-control levers outward to the the machine to spin rather than turn.
  • Page 21: Using The Smart Speed Tm Control System

    Driving Backward To change speeds, do the following: Move the motion-control levers to neutral and Note: Always use caution when backing up and outward to the P position. turning. Disengage the blade-control switch. Move the levers to the center, unlocked position. Adjust the lever to the desired position.
  • Page 22: Using The Side Discharge

    Using the Side Discharge Adjusting the Height of Cut Note: The mower has a hinged grass deflector that The transport position is the highest disperses clippings to the side and down toward the height-of-cut position or cutting height at 114 mm turf.
  • Page 23: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Operating Tips Rollers Maximizing Air Circulation Whenever you change the height of cut, adjust the height of the anti-scalp rollers. For best mowing and maximum air circulation, operate the engine at the F position. Air is required to Note: Adjust the anti-scalp rollers so that the rollers thoroughly cut grass clippings, so do not set the...
  • Page 24: After Operation

    Do not pressure wash the damaged or worn, replace it immediately with a machine. Avoid excessive use of water, especially genuine Toro replacement blade. Refer to Servicing near the control panel, under the seat, around the the Cutting Blades (page 42).
  • Page 25: Pushing The Machine By Hand

    Pushing the Machine by Hand This machine has an electric-brake mechanism, and to push the machine, the key must be in the position. The battery needs to be charged and functioning to disengage the electric brake. Park the machine on a level surface, disengage the blade-control switch, and move the motion-control levers outward to the P position.
  • Page 26: 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 27 If you are using a trailer, connect it to the towing vehicle and connect the safety chains. If applicable, connect the trailer brakes and lights. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 31).
  • Page 28: Maintenance

    Disconnect the cable from the negative terminal of the battery before repairing the machine. • To ensure optimum performance, use only genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty.
  • Page 29: Recommended Maintenance Schedule(S)

    Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check the safety-interlock system. • Check the engine-oil level. • Clean the cooling system (more often in dusty, dirty conditions). Before each use or daily • Inspect the blades. • Inspect the grass deflector for damage. •...
  • Page 30: Pre-Maintenance Procedures

    Pre-Maintenance Raising the Machine Procedures Use jackstands to support the machine when you raise it. Releasing the Mower-Deck WARNING Supporting the machine on the lower muffler Curtain shield (Figure 35) may damage the shield and cause the machine to fall, injuring you or Loosen the 2 bottom bolts of the curtain to access the bystanders.
  • Page 31: Lubrication

    Lubrication Engine Maintenance Engine Safety Greasing the Bearings • Keep your hands, feet, face, other body parts, Service Interval: Every 25 hours—Grease the caster and clothing away from the muffler and other hot wheel bearings (more often in sandy surfaces. Allow engine components to cool before soil conditions).
  • Page 32: Servicing The Engine Oil

    Installing the Air Cleaner Lift the end of the filter and remove it from the air intake. 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.
  • Page 33 g373547 Figure 42 g373146 Figure 41 Change the engine-oil filter (Figure 43). Note: Ensure that the oil-filter gasket touches Changing the Engine Oil and Oil the engine and then turn the filter an extra 3/4 turn. Filter Service Interval: Every 100 hours or yearly, whichever comes first—Change the engine oil and oil filter (more often in dirty or dusty conditions).
  • Page 34: Servicing The Spark Plug

    g373565 Figure 44 Dispose of the used oil at a recycling center. g373564 Figure 43 Servicing the Spark Plug Service Interval: Yearly—Change the spark plug(s). Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the Ensure that the air gap between the center and side additional oil to bring it to the Full mark (Figure...
  • Page 35: Cleaning The Cooling System

    Cleaning the Cooling System Park the machine on a level surface, disengage the blade-control switch, and move the motion-control levers outward to the P position. Shut off the engine, remove the key, and wait g027478 Figure 45 for all moving parts to stop before leaving the operating position.
  • Page 36: Fuel System Maintenance

    Fuel System Maintenance DANGER g374198 In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Refer to Fuel Safety (page 12) for a complete list of fuel related precautions. Replacing the In-Line Fuel Filter Service Interval: Yearly—Replace the in-line fuel...
  • Page 37: Electrical System Maintenance

    Electrical System WARNING Incorrectly removing the cables from Maintenance battery could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, Electrical System Safety resulting in personal injury. • Disconnect the cable from the negative terminal of •...
  • Page 38: Servicing The Fuses

    Charging the Battery Servicing the Fuses Service Interval: Before storage—Charge the battery The electrical system is protected by fuses. It requires and disconnect the battery cables. no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. Remove the battery from the chassis;...
  • Page 39: Drive System Maintenance

    Drive System Maintenance Checking the Tire Pressure Service Interval: Every 25 hours—Check tire pressure. Maintain the air pressure in the front and rear tires as g294417 specified. Uneven tire pressure can cause an uneven Figure 53 cut. Check the pressure at the valve stem (Figure 52).
  • Page 40: Belt Maintenance

    Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or cracks. Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt.
  • Page 41 Route the new belt around the engine pulley and mower pulleys (Figure 57). Using a spring-removal tool (Toro Part No. 92-5771), install the idler spring over the deck hook and place tension on the idler pulley and the mower belt (Figure 57).
  • Page 42: Mower Maintenance

    Mower Maintenance Blade Safety • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the g006530 blades; never straighten or weld them. Figure 58 •...
  • Page 43 g014973 g014973 Figure 60 Figure 62 1. Blade (in position for measuring) 1. Opposite blade edge (in position for measuring) 2. Level surface 2. Level surface 3. Measured distance between blade and the surface (A) 3. Second measured distance between blade and surface (B) Rotate the same blade 180 degrees so that If the difference between A and B is greater the opposing cutting edge is now in the same...
  • Page 44: Leveling The Mower Deck

    Installing the Blades Install the blade onto the spindle shaft (Figure 63). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. Install the curved washer (cupped side toward the blade) and the blade bolt (Figure 63).
  • Page 45 g294044 g294046 Figure 66 Figure 67 1. Blades side to side 3. Measure from the tip of the 1. Blades front to rear 3. Measure from the tip of the blade to the flat surface blade to the flat surface here.
  • Page 46 g294195 Figure 70 Install the washer and hairpin cotter (Figure 70). g294196 Figure 68 Repeat steps through for the other side of the machine. 1. Wood block—6.6 cm 2. Wood block—7.3 cm (2-5/8 inches) thick (2-7/8 inches) thick Check the side-to-side level again; repeat this procedure until the measurements are correct.
  • Page 47: Removing The Mower Deck

    To lower the front of the mower deck, loosen the adjustment nut. After adjustment, check the front-to-rear slope again, continue adjusting the nut until the front blade tip is 1.6 to 7.9 mm (1/16 to 5/16 inch) lower than the rear blade tip; refer to Checking the Front-to-Rear Blade Slope (page 45).
  • Page 48: Replacing The Grass Deflector

    Attach the front support rod to the mower deck Slide the straight end of the rod through the rear with the clevis pin and hairpin cotter (Figure 72). grass deflector pivot. Install the mower belt onto the engine pulley; Place the spring on the rod, with end wires refer to Replacing the Mower Belt (page 40).
  • Page 49: Cleaning

    Cleaning Turn the water off and remove the coupling from the washout fitting. Note: If the mower is not clean after 1 washing, Washing the Underside of soak it and let it stand for 30 minutes. Then the Mower Deck repeat the process.
  • Page 50: Storage

    Storage Note: Run the machine with the blade-control switch (PTO) engaged and the engine at high idle for 2 to 5 minutes after washing. Storage Safety Check the condition of the blades; refer to Servicing the Cutting Blades (page 42). •...
  • Page 51: Storing The Battery

    Storing the Battery Fully charge the battery. Let the battery rest for 24 hours, then check the battery voltage. Note: If the battery voltage is below 12.6 V, repeat steps and 2. Disconnect the cables from the battery. Check the voltage periodically to ensure that the voltage is 12.4 V or higher.
  • Page 52: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The fuel tank is showing signs of collapsing 1. The air-cleaner paper element clogged. 1. Clean the paper element. or the machine is frequently showing signs of running out of fuel. The engine overheats. 1.
  • Page 53 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valves are open. 1. Close the tow valves. 2. The traction belts are worn, loose, or 2. Contact an Authorized Service Dealer. broken. 3. The traction belts are off the pulleys. 3.
  • Page 54: Schematics

    Schematics g307974 Electrical Diagram 139-2356 (Rev. A)
  • Page 55 The Toro Company (“Toro”) respects your privacy. When you purchase our products, we may collect certain personal information about you, either directly from you or through your local Toro company or dealer. Toro uses this information to fulfil contractual obligations - such as to register your warranty, process your warranty claim or to contact you in the event of a product recall - and for legitimate business purposes - such as to gauge customer satisfaction, improve our products or provide you with product information which may be of interest.

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Timecutter zs 4200s

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