1. Manuals
  2. Brands
  3. Toro Manuals
  4. Lawn Mower
  5. 72946
  6. Operator's manual

Toro 72946 Operator's Manual

With 60in or 72in turbo force side discharge mower
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Register at www.Toro.com.
Original Instructions (EN)
Z Master
®
Series Riding Mower
with 60in or 72in TURBO FORCE
Discharge Mower
Model No. 72946—Serial No. 406343021 and Up
Model No. 72947—Serial No. 406343041 and Up
Model No. 72969—Serial No. 400000000 and Up
Form No. 3435-858 Rev C
Professional 6000
®
Side
*3435-858*

Advertisement

Table of Contents
loading

Related Manuals for Toro 72946

Summary of Contents for Toro 72946

  • Page 1 Series Riding Mower with 60in or 72in TURBO FORCE ® Side Discharge Mower Model No. 72946—Serial No. 406343021 and Up Model No. 72947—Serial No. 406343041 and Up Model No. 72969—Serial No. 400000000 and Up *3435-858* Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Figure 1

    Authorized Service requirements, the actual engine torque on this class Dealer or Toro Customer Service and have the model of mower will be significantly lower. Please refer to and serial numbers of your product ready.

  • Page 3: Table Of Contents

    This manual uses 2 words to highlight information. Using the Motion-Control Levers....... 23 Important calls attention to special mechanical Driving the Machine .......... 23 information and Note emphasizes general information Using the Side Discharge ......... 25 worthy of special attention. Adjusting the Height of Cut .......

  • Page 4: Safety

    Safety Inspecting the Belts .......... 59 Replacing the Mower Belt ......... 59 Replacing the Hydraulic Pump-Drive This machine has been designed in accordance with Belt..............61 ANSI standard B71.4-2017. Controls System Maintenance ......61 Adjusting the Control-Handle Position ....61 Adjusting the Motion-Control Linkage ....

  • 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 decal116-8283 116-8283 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 75 to 81 N∙m (55 to 60 ft-lb). decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat belt.
  • Page 8 decal116-5988 116-5988 decal117-3848 117-3848 1. Parking brake—engaged 2. Parking 1. Thrown object hazard—keep bystanders away. brake—disengaged 2. Thrown object hazard, raised deflector—do not operate without the deflector, discharge cover, or grass collection system in place. 3. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts;...
  • Page 9 decal127-0326 127-0326 1. Read the Operator's 3. Remove the key and Manual. read the Operator's Manual before performing maintenance. decal126-4398 126-4398 2. Height of cut 1. Read the Operator’s 3. Unlock Manual. 2. Lock decal126-7875 126-7875 1. Fuse location 4. Auxiliary, 15A 2.
  • Page 10 decal136-5530 136-5530 1. Engine—stop 3. Engine—start 2. Engine—run decal125-9383 125-9383 1. Check the hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2. Read the Operator’s Manual for information on lubricating 4. Read the Operator’s Manual before servicing or performing the machine.
  • Page 11 decal132-0871 132-0871 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 12: Product Overview

    Key Switch Product Overview The key switch, used to start and shut off the engine, has 3 positions: O , and S . Refer to TART Starting the Engine (page 22). Throttle Control The throttle controls the engine speed, and there are 3 speeds: Maximum, Efficient, and Low.

  • Page 13: Horizon Display Monitor

    Horizon Display Monitor Refer to the Software Guide for more information. Refer to the Software Guide for detailed information Alarm explaining the operator interface that allows you to access information, reset counters, modify system If an error occurs, an error message displays, the LED settings, and troubleshoot the equipment.

  • Page 14: Specifications

    To ensure optimum performance and continued safety certification of the machine, use only genuine Toro • Wear appropriate clothing, including eye replacement parts and accessories. Replacement protection; long pants; substantial, slip-resistant parts and accessories made by other manufacturers footwear;...

  • Page 15: 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. • For best results, use only clean, fresh (less than – To prevent a static charge from igniting the fuel, 30 days old), unleaded gasoline with an octane place the container and/or machine directly on rating of 87 or higher ((R+M)/2 rating method).

  • Page 16: Performing Daily Maintenance

    Breaking in a New Machine Note: Do not fill the fuel tank completely full. The empty space in the tank allows the fuel to expand. New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine.

  • Page 17: Using The Safety-Interlock System

    Using the Safety-Interlock System WARNING 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 18: Positioning The Seat

    Positioning the Seat Sit on the seat, engage the parking brake, and move the blade-control switch (PTO) to the O position. Try starting the engine; the engine The seat can move forward and backward. Position should not start. the seat where you have the best control of the machine and are most comfortable (Figure 10).

  • Page 19: Changing The Seat Suspension

    Shut off the engine, remove the key, and Use only accessories and attachments approved wait for all moving parts to stop before leaving the by Toro. operating position. When you turn the key to the • This machine produces sound levels in excess OFF position, the engine should shut off and the of 85 dBA at the operator’s ear and can cause...
  • Page 20 • Start the engine with your feet well away from the blades. • Use only Toro approved accessories and attachments for the ROPS. • Be aware of the mower discharge path and direct the discharge away from others. Avoid discharging...

  • Page 21: Operating The Parking Brake

    Operating the Parking • Remove or mark obstacles such as ditches, holes, ruts, bumps, rocks, or other hidden hazards. Tall Brake grass can hide obstacles. Uneven terrain could overturn the machine. Always engage the parking brake when you stop the •...

  • Page 22: Operating The Mower Blade-Control Switch (Pto)

    Operating the Mower Starting the Engine Blade-Control Switch (PTO) Important: Do not engage the starter for more than 5 seconds at a time. If the engine fails to The blade-control switch (PTO) starts and stops the start, wait 15 seconds between attempts. Failure mower blades and any powered attachments.

  • Page 23: Shutting Off The Engine

    Shutting Off the Engine Using the Motion-Control Levers CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the key and engage the parking brake when leaving the machine unattended.
  • Page 24 WARNING The machine can spin very rapidly. You may lose control of the machine and cause personal injury or damage to the machine. • Use caution when making turns. • Slow the machine down before making sharp turns. Driving Forward Note: The engine shuts off when you move the traction-control with the parking brake engaged.

  • Page 25: Using The Side Discharge

    Using the Side Discharge Adjusting the Height of Cut The mower has a hinged grass deflector that Using the Transport Lock disperses clippings to the side and down toward the turf. The transport lock has 2 positions, and is used with the deck-lift pedal.

  • Page 26: Adjusting The Anti-Scalp Rollers

    Adjusting the Height-of-Cut Pin Adjusting the Anti-Scalp Rollers The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers.

  • Page 27: Adjusting The Flow Baffle Knob

    Adjusting the Flow Baffle Knob This procedure applies only to machines with the flow baffle knob. Certain models have nuts and bolts instead of the flow baffle knob that you can adjust the same way. You can adjust the mower discharge flow for different types of mowing conditions.

  • Page 28: Positioning The Flow Baffle

    Positioning the Flow Baffle The following figures are recommendations only. Adjustments vary by grass type, moisture content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open the baffle. Position A This is the fully-rear position.

  • Page 29: Operating Tips

    It is best to cut only about a third of the grass blade. genuine Toro replacement blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly.

  • Page 30: After Operation

    Using the After Operation Drive-Wheel-Release After Operation Safety Valves General Safety WARNING Hands may become entangled in the rotating • Shut off the engine, remove the key, and wait drive components below the engine deck, for all moving parts to stop before leaving the operator’s position.

  • Page 31: 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 32 If 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 34).

  • Page 33: Maintenance

    • To ensure optimum performance, use only • Carefully release pressure from components with genuine Toro replacement parts and accessories. stored energy. Replacement parts and accessories made by • Check the parking brake operation frequently.
  • Page 34 • Adjust the caster-pivot bearing. • Adjust the parking brake. • After the initial change—change the hydraulic-system filters and fluid when using Toro® HYPR-OIL™ 500 fluid. (Change it more often under dirty or dusty conditions) • Check the battery charge. Monthly •...

  • Page 35: Lubrication

    Lubrication Lubricating the Mower Deck-Lift Pivots Greasing the Machine Service Interval: Every 100 hours Grease the machine more often in dirty or dusty Use light oil or spray lubricant to lubricate the deck-lift conditions. pivots. Grease Type: No. 2 lithium or molybdenum grease Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake.

  • Page 36: Greasing The Mower Deck

    Greasing the Mower Deck Note: Keep the dust cap off until greasing is done. Service Interval: Yearly—Grease the pump-belt-idler Remove the hex plug. arm. Thread a grease fitting into the hole. Park the machine on a level surface, disengage Pump grease into the fitting until it oozes out the blade-control switch, and engage the parking around the top bearing.

  • Page 37: Greasing The Caster-Wheel Hubs

    Greasing the Caster-Wheel With the open end of the wheel facing up, fill the area inside the wheel around the axle full of Hubs general-purpose grease. Insert the second bearing and new seal into the Service Interval: Yearly wheel. Park the machine on a level surface, disengage Apply a thread-locking compound to the second the blade-control switch, and engage the parking spacer nut, and thread it onto the axle with the...

  • Page 38: Engine Maintenance

    Engine Maintenance surfaces. Allow engine components to cool before performing maintenance. • Do not change the engine governor speed or Engine Safety overspeed the engine. • Keep your hands, feet, face, clothing, and other body parts away from the muffler and other hot Identifying the Engine Use the following graphic to identify the engine you have and proceed to the section listed below for service (Figure...
  • Page 39 Every 250 hours—For Kawasaki Inspect the primary filter for damage by looking engines—check the safety air filter (more often into the filter while shining a bright light on the in dirty or dusty conditions). outside of the filter. If the primary filter is dirty, bent, or damaged, replace it.
  • Page 40 g008804 g037096 Figure 46 Note: Although 10W-40 engine oil is recommended for most conditions, you may need to change oil viscosity to accommodate atmospheric conditions. Using 20W-50 engine oil in higher ambient temperatures can reduce oil consumption. Checking the Engine-Oil Level Note: Check the oil when the engine is cold.
  • Page 41 Shut off the engine, remove the key, and wait Slowly pour approximately 80% of the specified for all moving parts to stop before leaving the oil into the filler tube and slowly add the operating position. additional oil to bring it to the Full mark (Figure 49).
  • Page 42 Servicing the Spark Plug(s) Service Interval: Every 100 hours Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug and a gapping tool or feeler gauge to g008804 check and adjust the air gap.

  • Page 43: Servicing A Kohler Engine

    Servicing a Kohler ® Engine This section is only for machines with Kohler engines. If your engine looks like the one shown in Figure you have a Kohler engine. Important: Refer to your engine owner’s manual for additional maintenance procedures. g206628 Figure 52 Installing the Spark Plug(s)
  • Page 44 Clean the air-inlet screen and cover. Install the air-inlet cover and secure it with the latches (Figure 55). g001883 Figure 56 1. Inner filter 4. Latch g012996 5. Air-cleaner body 2. Primary filter Figure 55 3. Air-cleaner cover 1. Air-inlet cover 3.
  • Page 45 Installing the Filters Checking the Engine-Oil Level Important: To prevent engine damage, always Note: Check the oil when the engine is cold. operate the engine with both air filters and the Important: If you overfill or underfill the engine cover installed. crankcase with oil and run the engine, you may If you are installing new filters, check each filter damage the engine.
  • Page 46 Changing the Engine Oil Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the Note: Dispose of the used oil at a recycling center. additional oil to bring it to the Full mark (Figure Start the engine and let it run for 5 minutes.
  • Page 47 Removing the Spark Plug Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g008804 Clean the area around the base of the plug(s) to keep dirt and debris out of the engine.

  • Page 48: Checking The Spark Arrester

    Checking the Spark Installing the Spark Plug Arrester For Machines with a Spark Arrester Service Interval: Every 50 hours WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine. Hot particles exhausted during engine operation may ignite flammable materials, resulting in personal injury or property damage.

  • Page 49: Fuel System Maintenance

    Fuel System Maintenance WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic Fuel-Injection System g008963 Figure 65 This machine contains an electronic fuel-injection 1.

  • Page 50: Electrical System Maintenance

    Electrical System Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the Maintenance operating position. Remove the battery as shown in Figure Electrical System Safety • Disconnect the battery before repairing the machine.
  • Page 51 Charging the Battery Installing the Battery Note: Position the battery in the tray with the terminal WARNING posts opposite from the hydraulic tank (Figure 66). Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from the battery.

  • Page 52: Servicing The Fuses

    Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. The fuses are located on the console to the right of the Checking the Seat Belt seat (Figure...

  • Page 53: Adjusting The Tracking

    Adjusting the Tracking Disengage the blade-control switch (PTO). Drive to an open flat area, move the motion-control levers to the N EUTRAL position. Move the throttle midway between the F positions. Move both motion-control levers all the way forward until they both hit the stops in the T-slot. Check which way the machine tracks.

  • Page 54: Checking The Tire Pressure

    Checking the Tire Pressure Checking the Wheel-Hub Slotted Nut Service Interval: Every 50 hours/Monthly (whichever comes first) Service Interval: After the first 100 hours Maintain the air pressure in the rear tires at 90 kPa Every 500 hours (13 psi). Uneven tire pressure can cause uneven cut. Check the tires when they are cold to get the most Check and ensure that the torque of the slotted nut is accurate pressure reading.

  • Page 55: Removing The Clutch Shim

    Important: Make sure that the spring Park the machine on a level surface, disengage washers are installed correctly as shown in the blade-control switch (PTO), and engage the Figure parking brake. Shut off the engine, remove the key, and wait Install the dust cap (Figure 75).
  • Page 56 Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 79). Note: Do not discard the shim until the clutch is functioning properly. g010873 Figure 81 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 g010871 Figure 79 inch), then install the shim.

  • Page 57: Cooling System Maintenance

    Cleaning the Cooling System Engine-Cooling Fins and Maintenance Shrouds Cooling System Safety Service Interval: Every 100 hours/Yearly (whichever comes first) • Swallowing engine coolant can cause poisoning; keep out of reach from children and pets. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the •...

  • Page 58: Checking And Cleaning The Hydraulic-Unit Shrouds

    Checking and Cleaning the Brake Maintenance Hydraulic-Unit Shrouds Adjusting the Parking Service Interval: Before each use or daily Brake Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the Service Interval: After the first 100 hours parking brake.

  • Page 59: Belt Maintenance

    Belt Maintenance Tighten the jam nut on the rear linkage (Figure 85). Ensure that the wheel hub moves freely between Inspecting the Belts the caliper brake pads. Repeats steps for the right side. Service Interval: Every 50 hours Rotate the drive wheel release handle to Replace the belt if it is worn.
  • Page 60 g027730 Figure 88 1. Position the belt cover. 3. Ensure that the tab is under the metal catch. 2. Slide the belt cover under the side catches. g009038 Figure 87 1. Clutch pulley 5. Square hole in the idler arm for the ratchet 2.

  • Page 61: Replacing The Hydraulic Pump-Drive Belt

    Replacing the Hydraulic Controls System Pump-Drive Belt Maintenance Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the Adjusting the parking brake. Control-Handle Position Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the There are 2 height positions for the control operating position.

  • Page 62: Adjusting The Motion-Control Linkage

    Raise the rear of the machine up and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat.

  • Page 63: Adjusting The Motion-Control Damper

    Adjusting the Move the motion-control levers to the REVERSE position and while applying slight pressure to Motion-Control the lever, allow the reverse-indicator springs to bring the levers back to neutral. Neutral-Lock Pivot Note: The wheels should stop turning or slightly creep in reverse.

  • Page 64: Hydraulic System Maintenance

    Use cardboard or paper to find hydraulic leaks. • Safely relieve all pressure in the hydraulic system before performing any work on the hydraulic system. Hydraulic-Fluid Specifications Hydraulic-Fluid Type: Toro ® HYPR-OIL ™ hydraulic fluid or Mobil ® 1 15W-50.

  • Page 65: Changing The Hydraulic Fluid And Filters

    Mobil 1 15W50 fluid. (Change it more often under dirty or dusty conditions) Every 500 hours—After the initial change—change the hydraulic-system filters and fluid when using Toro ® HYPR-OIL ™ 500 fluid. (Change it more often under dirty or...

  • Page 66: Blade Maintenance

    Blade 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 98 •...
  • Page 67 Checking for Bent Blades Note: The machine must be on a level surface for the following procedure. Raise the mower deck to the highest height-of-cut position. While wearing thickly padded gloves, or other adequate hand protection, slowly rotate the blade into a position that allows you to measure g014974 the distance between the cutting edge and the Figure 101...
  • Page 68 Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Replace the blades if they hit a solid object, or if the Note: If the blade is not balanced, file some blade is out of balance or bent.

  • Page 69: Leveling The Mower Deck

    g295815 Figure 107 1. Top spindle nut 3. Blade bolt g027343 Figure 108 2. Flat of the spindle shaft 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin Apply copper-based lubricant or grease to the threads of the blade bolt as needed to prevent seizing.
  • Page 70 g009196 Figure 109 1. 7.6 cm (3 inch) at position 3. Measure here from the A is correct blade tip to the hard surface 4. Measure at position A and 2. 8.3 cm (3-1/4 inch) at position B is correct B on both sides g027344 Figure 110...

  • Page 71: Removing The Mower Deck

    Removing the Mower Deck Note: Loosen or tighten the single-point adjustment bolt enough to move the height-of-cut plate mounting bolts at least 1/3 Lock out the spring-loaded deck arms before servicing the length of the available travel in their slots. or removing the mower deck.

  • Page 72: Replacing The Grass Deflector

    Raise the deck struts and secure them in the raised position. Slide the deck out to the right side of the machine. Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury.

  • Page 73: Cleaning

    Cleaning Place 1 J-hook end of the spring around the grass deflector (Figure 115). Important: The grass deflector must be able Cleaning under the Mower to rotate. Lift the deflector up to the full open position and ensure that it rotates into the Deck full down position.

  • Page 74: Storage

    Storage Check the condition of the blades; refer to Servicing the Cutting Blades (page 66). Prepare the machine for storage when non-use Storage Safety occurs over 30 days. Prepare the machine for storage as follows: • Shut off the engine, remove the key, and wait for all moving parts to stop before you leave the Add a petroleum-based operator’s position.

  • Page 75: Troubleshooting

    “limp” mode. is above the “add” line, contact an Authorized Toro Service Dealer. The oil-pressure light is on and the engine 1. The engine-control unit has limited 1. Let the engine cool and check the rpm is low.
  • Page 76 Problem Possible Cause Corrective Action The engine does not start, starts hard, or 1. The fuel tank is empty. 1. Fill the fuel tank. fails to keep running. 2. The fuel-shutoff valve is closed. 2. Open the fuel-shutoff valve. 3. The oil level in the crankcase is low. 3.
  • Page 77 Problem Possible Cause Corrective Action The machine vibrates abnormally. 1. The cutting blade(s) is/are bent or 1. Install new cutting blade(s). unbalanced. 2. The blade mounting bolt is loose. 2. Tighten the blade mounting bolt. 3. The engine mounting bolts are loose. 3.

  • Page 78: Schematics

    Schematics g237604 Electrical Schematic—Kawasaki Engines (Rev. A)
  • Page 79 g320253 Electrical Schematic—Kohler Engines (Rev. B)
  • Page 80 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.

This manual is also suitable for:

Z master professional 6000 series7294772969

Table of Contents