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Toro 74310 Operator's Manual

With 42in direct-collect cutting unit
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Original Instructions (EN)
Z Master
®
Mower
with 42in Direct-Collect Cutting Unit
Model No. 74310—Serial No. 314000001 and Up
Model No. 74311—Serial No. 314000001 and Up
Model No. 74312—Serial No. 314000001 and Up
Form No. 3386-210 Rev B
8000 Series Riding
*3386-210* B

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Summary of Contents for Toro 74310

  • Page 1 Z Master ® 8000 Series Riding Mower with 42in Direct-Collect Cutting Unit Model No. 74310—Serial No. 314000001 and Up Model No. 74311—Serial No. 314000001 and Up Model No. 74312—Serial No. 314000001 and Up *3386-210* B Register at www.Toro.com. Original Instructions (EN)
  • Page 2 If you require a spark arrester, contact your Authorized Toro Service Dealer. Genuine Toro spark arresters are approved by the USDA Forestry Service. Figure 1 Important: It is a violation of California Public 1.

  • Page 3: Table Of Contents

    Contents Checking the Wheel Hub Nuts .........39 Adjusting the Caster Pivot Bearings......39 Cooling System Maintenance ........40 Safety ................4 Cleaning the Engine Screen and Engine Oil Safe Operating Practices........... 4 Cooler...............40 Slope Indicator ............6 Servicing the Engine Oil Cooler .......40 Safety and Instructional Decals .........

  • Page 4: Safety

    Safety • Inspect the area where the equipment is to be used and remove all objects such as rocks, toys, and wire which can be thrown by the machine. This machine complies to the ANSI B71.4–2012 specification • Check that operator's presence controls, safety switches, of the American National Standards Institute with the and shields are attached and functioning properly.

  • Page 5: Maintenance And Storage

    Never remove fuel cap or add fuel with the engine performance of your Toro equipment, count on Toro running. genuine parts. When it comes to reliability, Toro delivers • Allow engine to cool before refueling. replacement parts designed to the exact engineering specifications of our equipment.

  • Page 6: 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 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. 103–0295 1-403005 65-2690 103-6230 68-8340 103-8425 98-4361 98-5954 103-8444 103-8495...
  • Page 8 103-8797 109-7318 103-8798 115-4212 103-8799 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator's Manual. 103-9034 116-1175 109-4273 117–2718...
  • Page 9 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 8.
  • Page 10 130-2880 130–2881 1. Engine temperature 7. Retract the piston 1. Engine temperature 7. Retract the piston 2. Fast 8. Extend the piston 2. Fast 8. Extend the piston 3. Slow 9. Fast 3. Slow 9. Fast 4. Neutral 10. Slow 4.
  • Page 11 103–8583...

  • Page 12: Product Overview

    Motion-control Levers Product Overview The motion-control levers are used to drive the machine forward, reverse, and turn either direction (Figure 4). Speed-control Lever The speed control lever sets maximum forward speed of the machine (Figure 4). Moving speed control lever rearward to the neutral position places the drive system into neutral.

  • Page 13: 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 14: Operation

    Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can cause a spark which can ignite the from the normal operating position. gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property.

  • Page 15: Checking The Engine Oil Level

    Filling the Fuel Tank 1. Park the machine on level ground. 2. Shut the engine off and set the parking brake. 3. Clean around the fuel-tank cap and remove it. Add regular unleaded gasoline to the fuel tank until the level is 6 to 13 mm (1/4 to 1/2 inch) below the bottom of the filler neck.

  • Page 16: Operating The Throttle

    Setting the Parking Brake Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 12). WARNING When the engine starts, release the key. The parking brake may not hold machine parked on Important: Do not engage the starter for more a slope and could cause personal injury or property than 10 seconds at a time.

  • Page 17: Operating The Pto Engagement Lever

    Operating the PTO Engagement Lever The PTO engagement lever starts and stops the mower blades and blower. WARNING An uncovered discharge opening will allow objects g025096 to be thrown in an operator’s or bystander’s Figure 15 direction. Also, contact with the blower blades could occur.

  • Page 18: Stopping The Engine

    Stopping the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes. Important: Make sure that the fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur.

  • Page 19: The Safety Interlock System

    7. Close the fuel shut-off valve when the machine will not Test the safety interlock system before you use the machine be in use for a few days, when transporting, or when each time. If the safety system does not operate as described the unit is parked inside a building.

  • Page 20: Stopping The Machine

    3. To move forward in a straight line move the speed 2. Release the mower deck locking pins on each side control lever forward. (Figure 19). Note: The machine will move faster the farther the speed control lever is moved away from neutral. 4.

  • Page 21: Lowering The Mower Deck To The Operating Position

    WARNING Operating the mower deck in the raised service position can be dangerous. Engaging the PTO with a deck in the raised position can result in a serious injury or property damage. Always lower and lock mower deck in the operation position before engaging the PTO.

  • Page 22: Adjusting The Height Of Cut

    g025067 Figure 24 1. Cotter pin 2. Mower-deck handle Emptying the Hopper Figure 23 A full hopper is indicated by a buzzer located behind the 1. Baffles shown in closed position operator in the hopper. Empty the hopper when the buzzer 2.

  • Page 23: Using The Drive Wheel Release Valves

    Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets, or bystanders avoid injury.

  • Page 24: Loading The Machine

    Loading the Machine Use extreme caution when loading the machine onto a trailer or truck. One full-width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps for each side of the machine (Figure 26). The lower rear section of the machine frame extends back between the rear wheels and serves as a stop for tipping backward.

  • Page 25: Operating Tips

    File down any nicks and sharpen the it is late fall when grass grows more slowly. blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Mowing Direction Alternate mowing direction to keep the grass standing straight.

  • Page 26: Maintenance

    Every 500 hours • Adjust the caster pivot bearings. • Check the park brake adjustment. • Change the hydraulic filter and reservoir hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions). • Check the battery.

  • Page 27: Lubrication

    Maintenance Service Maintenance Procedure Interval • Grease the front-caster pivots. • Grease the rear-caster hub. • Grease the pump-belt idler arm. Yearly • Grease the PTO-belt idler arm. (more often in dirty or dusty conditions). • Grease the rear-caster pivot. (more often in dirty or dusty conditions). •...
  • Page 28 Install the seal guards over the wheel hub and insert the wheel into the caster fork. Install the caster bolt and tighten the nut fully. Important: To prevent seal and bearing damage, check the bearing adjustment often. Spin the caster tire. The tire should not spin freely (more than 1 or 2 revolutions) or have any side play.

  • Page 29: Engine Maintenance

    Engine Maintenance 1. Stop the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. 2. Unhook the seat latch and tilt the seat up. WARNING 3. Lubricate each end of both steering linkage rods with a Contact with hot surfaces may cause personal spray lubricant or a light oil.

  • Page 30: Servicing The Engine Oil

    Servicing the Engine Oil 6. Remove the safety filter only if you intend to replace it. Important: Do not attempt to clean the safety Oil Type: Detergent oil (API service class SJ or higher) filter. If the safety filter is dirty, then the primary Oil Capacity (Non-EFI engines): with a filter change, filter is damaged.

  • Page 31: Changing The Engine Oil

    Changing the Engine Oil 9. If the oil level is low, wipe off the area around the oil fill cap, remove cap and fill to the full mark on the Service Interval: Every 100 hours (more often in dirty or dipstick (Figure 33).

  • Page 32: Changing The Engine Oil Filter

    4. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the full mark on the dipstick (Figure 33). 5. Start the engine and drive to a flat area. Check the oil level again (Figure 33).

  • Page 33: Servicing The Spark Plugs

    Servicing the Spark Plugs Service Interval: Every 200 hours—Check and gap the spark plug (EFI engines only). Every 500 hours—Check and gap the spark plug (Non-EFI engines only). Make sure that the air gap between the center and side electrodes is correct before installing the spark plugs. Use a G008794 Figure 37 spark-plug wrench for removing and installing the spark plugs...

  • Page 34: Check Spark Arrester (If Equipped)

    Check Spark Arrester (if Fuel System equipped) Maintenance Service Interval: Every 50 hours WARNING WARNING Fuel system components are under high pressure. Hot exhaust system components may ignite The use of improper components can result in gasoline vapors even after the engine is stopped. system failure, gasoline leakage, and possible Hot particles exhausted during engine operation explosion.

  • Page 35: Servicing The Fuel Tank

    Electrical System Maintenance Servicing the Battery Service Interval: Monthly WARNING CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, G008963 chemicals known to the State of California Figure 39 to cause cancer and reproductive harm. Wash hands after handling.

  • Page 36: Charging The Battery

    Charging the Battery 1. Move the speed control lever to the neutral position to stop the machine. WARNING 2. Disengage the PTO, engage the parking brake, stop the engine, and wait for all moving parts to stop. Charging the battery produces gases that can explode.

  • Page 37: Servicing The Fuses

    Servicing the Fuses reduce voltage drop between systems. Make sure that the cables are color coded or labeled for the correct The electrical system is protected by fuses. It requires polarity. no maintenance; however, if a fuse blows check the component/circuit for a malfunction or short.

  • Page 38: Drive System Maintenance

    Drive System 6. Make the final connection on the engine block of the stalled vehicle (not to the negative battery Maintenance post) away from the battery and stand back. 7. Start the vehicle and remove the cables in the reverse order of connection (the engine block (black) Adjusting the Tracking connection is the first to disconnect).

  • Page 39: Checking The Wheel Lug Nuts

    Figure 45 Note: Do not add any type of tire liner or foam fill material to the tires. Figure 46 Checking the Wheel Lug Nuts Front caster Service Interval: After the first 100 hours 1. Spring washers 3. Dust cap 2.

  • Page 40: Cooling System Maintenance

    Cooling System 1. Move the speed control lever to the neutral position to stop the machine. Maintenance 2. Disengage the PTO, engage the parking brake, stop the engine, and wait for all moving parts to stop. Cleaning the Engine Screen 3.

  • Page 41: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check to make sure that the brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced. 1.

  • Page 42: Belt Maintenance

    Belt Maintenance Note: When the brakes are disengaged, there should be little to no free play in the brake linkage with no dragging in the brakes. Inspecting the Belts Service Interval: Every 40 hours 1. Stop the machine and move the speed control lever to the neutral position.

  • Page 43: Replacing The Pump Drive Belt

    13. Loosen the jam nuts and adjust the linkage until the top of the idler arm is aligned with the bottom of the notch on the tension arm as shown in Figure 52. Figure 53 1. Pump Drive Belt 4. Pump 2.

  • Page 44: Controls System Maintenance

    Controls System F. Install the seat frame assembly, if removed in step A. Maintenance Adjusting the Speed-Control Adjusting the Reverse-Stop Lever Tension 1. Stop the machine and move the speed-control lever to the neutral position. 1. Stop the machine and move the speed control lever to the neutral position.

  • Page 45: Aligning The Pto Drive Pulley

    CAUTION Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury. Do Not rely solely on mechanical or hydraulic jacks for support.

  • Page 46: Aligning The Pump Drive Pulley

    Adjusting the PTO Brake Note: Use a straight edge to align all three surfaces. Spring The PTO brake spring adjustment is only necessary if the blower has been removed or replaced or if the PTO drive idler arm has been disassembled. 1.

  • Page 47: Mower Deck Locking Pin Stop Adjustment

    Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Important: Use oil specified. Other fluids could cause system damage. Figure 60 Checking the Hydraulic Oil 1. Loosen door hinge 2.
  • Page 48 WARNING ® 5. Before installing the new filter, fill it with Toro ™ HYPR-OIL 500 hydraulic oil and apply a thin coat of Hydraulic oil escaping under pressure can oil on the surface of the rubber seal.

  • Page 49: Mower Deck Maintenance

    If a blade is damaged or worn, replace Note: Ensure that the mower deck is leveled before it immediately with a genuine Toro replacement blade. For matching the height of cut (HOC). convenient sharpening and replacement, you may want to keep extra blades on hand.

  • Page 50: Removing The Blades

    1. Move the speed control lever to the neutral position and continued safety conformance of the machine, use to stop the machine. genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with 2. Disengage the PTO, engage the parking brake, stop the safety standards.
  • Page 51 • Replace the blade bolt after striking a foreign object. • Use only genuine Toro replacement parts. • Do not lubricate the threads of the bolt or spindle before assembly.

  • Page 52: Removing The Mower Deck

    Lowering the Mower Deck to the Operating Position WARNING (page 21). Operating this machine without an approved Toro Note: The mower deck will become heavier once front mount attachment increases the possibility of the springs are removed from the anchors. Lower the operator entanglement in drive wheels or forward mower deck carefully.

  • Page 53: Installing The Mower Deck

    2. Loosen the jam nut Important: Do not transport the machine without an approved Toro front mount attachment. 3. Loosen the stop screw counter clockwise 1/2 turn and 1. Stop the engine, wait for all moving parts to stop and tighten the jam nut.

  • Page 54: Cleaning

    Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (blade control switch Service Interval: Before each use or daily (PTO), set the parking brake, and turn the ignition key 1. Move the speed control lever to the neutral position to Off.
  • Page 55 C. Stop the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank in the Maintenance Section. D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes.

  • Page 56: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. PTO is engaged. 1. Disengage the PTO. 2. The parking brake is not set. 2. Set the parking brake. 3. The speed control lever is not in neutral 3.
  • Page 57 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valve is not closed tight. 1. Tighten the bypass valve. 2. The drive or pump belt is worn, loose 2. Change the belt. or broken. 3. The drive or pump belt is off a pulley. 3.

  • Page 58: Schematics

    Schematics Wire Diagram (Not EFI machines) (Rev. A)
  • Page 59 Wire Diagram (EFI machines) (Rev. A)
  • Page 60 Hydraulic Diagram (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:

Z master 8000 series7431174312Z master 74310Z master 74311Z master74312

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