Toro 74310 Operator's Manual
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Toro 74310 Operator's Manual

Toro 74310 Operator's Manual

With 42in or 48in direct-collect cutting unit
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Original Instructions (EN)
Z Master
®
Mower
with 42in or 48in Direct-Collect Cutting Unit
Model No. 74310—Serial No. 316000001 and Up
Model No. 74312—Serial No. 316000001 and Up
Model No. 74313—Serial No. 316000001 and Up
Form No. 3399-259 Rev B
8000 Series Riding
*3399-259* B

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Summary of Contents for Toro 74310

  • Page 1 Z Master ® 8000 Series Riding Mower with 42in or 48in Direct-Collect Cutting Unit Model No. 74310—Serial No. 316000001 and Up Model No. 74312—Serial No. 316000001 and Up Model No. 74313—Serial No. 316000001 and Up *3399-259* B Register at www.Toro.com.
  • Page 2 You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional...

  • Page 3: Table Of Contents

    Checking the Wheel-Hub Nuts.........41 Safety ................4 Adjusting the Caster-Pivot Bearings ......41 Safe Operating Practices........... 4 Cooling System Maintenance ........42 Toro Mower Safety ..........5 Cleaning the Engine Screen and Engine Oil Slope Indicator ............7 Cooler...............42 Safety and Instructional Decals ......... 8 Servicing the Engine-Oil Cooler .......42...

  • Page 4: Safety

    Preparation Safety • Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform This machine has been designed in accordance to the ANSI the job. Only use accessories and attachments approved B71.4–2012 specification of the American National Standards by the manufacturer.

  • Page 5: Toro Mower Safety

    Toro Mower Safety trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling. The following list contains safety information specific to Toro • Remove equipment from the truck or trailer and fuel it products and other safety information that you must know.
  • Page 6 • To best protect your investment and maintain optimal performance of your Toro equipment, use Toro genuine parts. • Check brake operation frequently. Adjust and service as required.

  • 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. 93-6696 1. Stored energy hazard—read the Operator's Manual. 112-8760 1.
  • Page 9 116-8936 1. Danger—do not operate with deck in tilt-up position. 116-8813 1. Hopper up indicator 5. Parking brake 2. Battery 6. Neutral 3. Hour meter 7. Operator presence switch 4. PTO 116-8941 116-8934 116-8943 1. Warning—disengage 2. Height of cut. 1.
  • Page 10 116-8946 1. Rotate counterclockwise 3. Unlock to push the to release. machine. 2. Rotate clockwise to lock. 4. Read the instructions before servicing or performing maintenance. 116-9044 1. Read the Operator’s Manual before performing any 8. Grease deck lock mechanism every 100 hours. maintenance.
  • Page 11 116-9049 1. Rotating driveline hazard—keep all driveline shields in 126-4207 place. Securely attach both ends of the driveline. 1. Refer to the Operator’s Manual for adjustment procedure. When PTO is engaged, idler arm position must be in hatched area or adjustment is required. 117-2718 120-0625 1.
  • Page 12 Molded into Front of Hopper 1. Warning-Read the Operator’s Manual. Do not operate this 5. Warning—Stay away from moving parts; keep all guards machine unless you are trained. Wear hearing protection. in place. Stop engine and remove key before adjusting, servicing, or cleaning.
  • Page 13 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 14 130-2881 1. Engine temperature 7. Retract the piston 2. Fast 8. Extend the piston 3. Slow 9. Fast 4. Neutral 10. Slow 5. Neutral 11. MIL toggle switch 6. Reverse...

  • Page 15: Product Overview

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

  • Page 16: 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 17: Operation

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

  • Page 18: Checking The Engine-Oil Level

    of varnish deposits in the fuel system, use fuel stabilizer at all times. 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. 4.

  • Page 19: Operating The Parking Brake

    Operating the Parking Brake Operating the Throttle Always set the parking brake when you stop the machine or You can move the throttle control between the F leave it unattended. positions (Figure 11). Always use the middle position when turning on the mower Setting the Parking Brake deck and blower with the PTO-engagement lever.

  • Page 20: Using The Fuel-Shutoff Valve

    Using the Fuel-Shutoff Valve Engaging the PTO-Engagement Lever The fuel-shutoff valve is located under the hopper. Raise the hopper to access it. Close the fuel-shutoff valve for transport, maintenance, and storage. Ensure that the fuel-shutoff valve is open when starting the engine.

  • Page 21: Stopping The Engine

    Stopping the Engine a warm engine, leave the choke in the O position. 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.

  • Page 22: The Safety-Interlock System

    Testing the Safety-Interlock System 7. Close the fuel-shutoff valve when the machine will not be in use for a few days, when transporting, or when Service Interval: Before each use or daily the unit is parked inside a building. Test the safety-interlock system before you use the machine each time.

  • Page 23: Stopping The Machine

    Driving Forward WARNING Note: To begin movement (forward or backward) the Incorrectly raising or lowering a mower deck operator must be in the seat, the brake lever must be can be dangerous. A dropped mower deck can disengaged (pushed down) before the speed control lever can result in a serious injury or property damage.

  • Page 24: Lowering The Mower Deck To The Operating Position

    The following are possible configurations: • Baffles open with standard blades—maximum collection • Baffles closed with standard blades—partial mulching • Baffles closed with mulch blades—intermediate mulching • Mulch plug installed with mulch blades—complete mulching (requires mulch kit) Adjust the FRS baffles as follows: 1.

  • Page 25: Adjusting The Height Of Cut

    7. Remove the bolt and washer at the front of each FRS baffle (Figure 23). 8. Rotate the baffles into the desired position and install the bolt and washer. g025067 Figure 24 1. Cotter pin 2. Mower-deck handle Emptying the Hopper A full hopper is indicated by a buzzer located behind the operator in the hopper.

  • Page 26: Using The Drive-Wheel Release Valves

    Note: Do not tow the machine. 6. Rotate the valves clockwise to run the machine. Note: Do not overtighten the 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.
  • Page 27 WARNING Loading a machine onto a trailer or truck increases the possibility of a tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Use only a full-width ramp; do not use individual ramps for each side of the machine.

  • Page 28: Operating Tips

    If a blade is damaged or worn, replace ground. However, the cutting height used in the past is it immediately with a genuine Toro replacement blade. generally the best one to use. When cutting grass longer than 15 cm (6 inches) tall, you may want to cut the lawn twice to ensure an acceptable quality of cut.

  • Page 29: Maintenance

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

  • Page 30: Lubrication

    Maintenance Service Maintenance Procedure Interval • Grease the front caster pivots (more often in dirty or dusty conditions). • Grease the rear caster hub (more often in dirty or dusty conditions). • Grease the pump-belt idler arm (more often in dirty or dusty conditions). Yearly •...
  • Page 31 Lubricating the Caster-Wheel Hubs Note: Make sure that the axle does not extend beyond either nut. Service Interval: Yearly 15. Install the seal guards over the wheel hub and insert 1. Shut off the engine, wait for all moving parts to stop, wheel into the caster fork.

  • Page 32: Engine Maintenance

    Engine Maintenance 4. Lubricate each end of both steering linkage rods with a spray lubricant or a light oil. WARNING Changing the Gearbox Oil Contact with hot surfaces may cause personal Service Interval: After the first 50 hours—Change the oil injury.

  • Page 33: 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 34: Changing The Engine Oil

    Figure 32 1. Oil-fill cap 2. Oil dipstick Changing the Engine Oil Figure 33 Service Interval: Every 100 hours (more often in dirty or dusty conditions). 4. Slowly pour approximately 80% of the specified oil Note: Dispose of the used oil at a recycling center. into the filler tube and slowly add the additional oil to bring it to the full mark on the dipstick (Figure...

  • Page 35: Servicing The Spark Plugs

    Changing the Engine-Oil Filter Servicing the Spark Plugs Service Interval: Every 200 hours Service Interval: Every 200 hours—Check and gap the spark plug (EFI engines only). Note: Change the engine oil filter more frequently when Every 500 hours—Check and gap the spark plug operating conditions are extremely dusty or sandy.

  • Page 36: Checking The Spark Arrester

    Installing the Spark Plugs Fuel System Tighten the spark plugs to 24.4 to 29.8 N∙m (18 to 22 ft-lb). Maintenance WARNING Fuel system components are under high pressure. The use of improper components can result in system failure, gasoline leakage, and possible explosion.

  • Page 37: 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 38 to cause cancer and reproductive harm. Wash hands after handling.

  • Page 38: Charging The Battery

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

  • Page 39: Servicing The Fuses

    Servicing the Fuses Note: Use properly sized jumper cables with short lengths to reduce voltage drop between systems. Make The electrical system is protected by fuses. It requires sure that the cables are color coded or labeled for the no maintenance; however, if a fuse blows check the correct polarity.

  • Page 40: Drive System Maintenance

    Drive System 5. Connect the black negative (–) cable to the other terminal (negative) of the booster battery. Maintenance 6. Make the final connection on the engine block of the stalled vehicle (not to the negative battery post) away from the battery and stand back. Adjusting the Tracking 7.

  • Page 41: Checking The Wheel-Lug Nuts

    Figure 44 Note: Do not add any type of tire liner or foam fill material to the tires. Figure 45 Checking the Wheel-Lug Nuts Front Caster Service Interval: After the first 100 hours 1. Spring washers 3. Dust cap 2. Locknut Every 500 hours Check and torque the wheel-lug nuts to 122 to 129 N∙m (90 to 95 ft-lb).

  • Page 42: Cooling System Maintenance

    Checking and Cleaning the Cooling System Hydraulic Pumps Maintenance Service Interval: Before each use or daily Cleaning the Engine Screen 1. Move the speed-control lever to the N position EUTRAL to stop the machine. and Engine Oil Cooler 2. Disengage the PTO, engage the parking brake, shut off the engine, and wait for all moving parts to stop.

  • Page 43: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Make sure that the brake is adjusted properly. Follow this procedure when you remove or replace a brake component. 1. Stop the machine and move the speed-control lever to the N position.

  • Page 44: Belt Maintenance

    Belt Maintenance 9. Engage and disengage the brakes to check for proper engagement and disengagement. Adjust if necessary. Note: When the brakes are disengaged, there should Inspecting the Belts be little to no free play in the brake linkage with no dragging in the brakes.

  • Page 45: 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 Figure 52 1. Pump-drive belt 4. Pump 2. Pump 5.

  • Page 46: Controls System Maintenance

    Controls System G. 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 N position. EUTRAL 1. Stop the machine and move the speed-control lever to the N position.

  • Page 47: 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 48: Aligning The Pump-Drive Pulley

    Adjusting the PTO Brake pulleys are aligned within 0.8 to 1.6 mm (1/32 inch to 1/16 inch) (Figure 57). Spring Note: Use a straight edge to align all 3 surfaces. Adjust the PTO brake spring only if the blower has been removed or replaced or if the PTO drive idler arm has been disassembled.

  • Page 49: Adjusting The Locking-Pin Stop On The Mower Deck

    Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Fluid Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Important: Use the fluid specified. Other fluids could cause system damage. Figure 59 Checking the Hydraulic Fluid 1. Loosen the door hinge 2.
  • Page 50 WARNING ® 5. Before installing the new filter, fill it with Toro ™ HYPR-OIL 500 hydraulic fluid and apply a thin coat Hydraulic fluid escaping under pressure can of oil on the surface of the rubber seal.

  • Page 51: 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, keep extra blades 1.

  • Page 52: Removing The Blades

    Replace a blades if it hits a solid object, is out of balance, or is Checking for Bent Blades bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement 1. Move the speed-control lever to the N position EUTRAL blades.
  • Page 53 • Replace the blade bolt after striking a foreign object. 3. If the blade is not balanced, file some metal off the • Use only genuine Toro replacement parts. end of the sail area only. • Do not lubricate the threads of the bolt or 4.

  • Page 54: Removing The Mower Deck

    Lowering the Mower Deck to the Operating Position WARNING (page 24). Operating this machine without an approved Toro Note: The mower deck will become heavier once front-mount attachment increases the possibility of you remove the springs from the anchors. Lower the operator entanglement in drive wheels or forward mower deck carefully.

  • Page 55: 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. Shut off the engine, wait for all moving parts to stop tighten the jam nut.

  • Page 56: Cleaning

    Cleaning Storage Cleaning and Storage Cleaning under the Mower 1. Disengage the power takeoff (PTO), set the parking Service Interval: Before each use or daily brake, and turn the ignition key to the O position. Remove the key. 1. Move the speed-control lever to the N position EUTRAL to stop the machine.
  • Page 57 D. Start the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. Important: Do not store fuel with stabilizer/conditioner over 90 days. 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged.

  • Page 58: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The malfunction indicator light (MIL) 1. The engine is too hot. 1. Turn the engine off and let it cool. comes on. 2. There is old gas in the gas tank. 2. Use new gas. 3.
  • Page 59 Problem Possible Cause Corrective Action The engine loses power. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The air cleaner is dirty. 2. Clean the air-cleaner element. 3. The oil level in the crankcase is low. 3.

  • Page 60: Schematics

    Schematics Wire Diagram (Not EFI machines) (Rev. A)
  • Page 61 Wire Diagram (EFI machines) (Rev. A)
  • Page 62 Hydraulic Diagram (Rev. A)
  • 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:

74312Z master 8000 series74313

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