Toro Z Master Professional 5000 Series Operator's Manual
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Toro Z Master Professional 5000 Series Operator's Manual

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Original Instructions (EN)
Z Master
®
6000 Series Riding Mower
with 52in, 60in, or 72in TURBO FORCE
Discharge Mower
Model No. 74906—Serial No. 400000000 and Up
Model No. 74918—Serial No. 400000000 and Up
Model No. 74926—Serial No. 400000000 and Up
Model No. 74928—Serial No. 400000000 and Up
Model No. 74930—Serial No. 400000000 and Up
Model No. 78926—Serial No. 400000000 and Up
Model No. 78928—Serial No. 400000000 and Up
Form No. 3409-767 Rev C
Professional 5000 or
®
Side
*3409-767* C

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Summary of Contents for Toro Z Master Professional 5000 Series

  • Page 1 Model No. 74926—Serial No. 400000000 and Up Model No. 74928—Serial No. 400000000 and Up Model No. 74930—Serial No. 400000000 and Up Model No. 78926—Serial No. 400000000 and Up Model No. 78928—Serial No. 400000000 and Up *3409-767* C Register at www.Toro.com. Original Instructions (EN)
  • Page 2 It is a violation of California Public Resource Code Dealer or Toro Customer Service and have the model Section 4442 or 4443 to use or operate the engine on and serial numbers of your product ready. Figure 1 any forest-covered, brush-covered, or grass-covered...

  • Page 3: Table Of Contents

    Contents Servicing the Engine Oil........40 Servicing the Spark Plug........42 Checking the Spark Arrester ......44 Safety ............... 4 Fuel System Maintenance ........44 General Safety ........... 4 Servicing the Electronic Fuel-Injection Slope Indicator ........... 5 System............44 Safety and Instructional Decals ......6 Replacing the Low-Pressure Fuel Product Overview ...........

  • Page 4: Safety

    Safety Troubleshooting ............71 Schematics ............. 74 This machine has been designed in accordance with ANSI B71.4-2012. 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. Using this product for purposes other than its intended use could prove dangerous to you and bystanders.

  • Page 5: 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 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. decal58-6520 58-6520 decal106-2655 1. Grease 106-2655 1. Warning-do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance.
  • Page 7 decal110-2068 110-2068 1. Read the Operator's Manual. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down. decal114-4466 2. To avoid injury or death from a rollover accident, keep the 114-4466 roll bar in the raised and locked position and wear the seat belt.
  • Page 8 decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal116-8726 116-8726 decal136-5508 136-5508 1. Read the Operator’s Manual for the recommended hyraulic 1. Belt routing fluid. decal116-1716 116-1716 1. Fuel 6. Hour meter 2. Empty 7. PTO 8. Parking brake 3. Half 4.
  • Page 9 decal121-7586 121–7586 decal117-3848 117-3848 1. Fast 3. Slow 2. Variable-speed control 4. Power takeoff (PTO) 1. Thrown object hazard—keep bystanders a safe distance away from the machine. 2. Thrown object hazard, mower—do not operate the machine without deflector, discharge cover, or grass collection system in place.
  • Page 10 decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders a safe distance away from the battery. 2. No fire, open flame, or 7. Wear eye protection; decal127-0326 127-0326 smoking explosive gases can cause blindness and other 1.
  • 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 those conditions on that day and at that site.

  • Page 12: Product Overview

    Hour Meter Product Overview The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure Fuel Gauge The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is in the O position (Figure...

  • 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: Before Operation

    Operation containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Note: Determine the left and right sides of the and refuel it while it is on the ground. If this is not machine from the normal operating position.

  • Page 15: Using Stabilizer/Conditioner

    Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh during storage of 90 days or less (drain the fuel tank when storing the machine for more than 90 days) • Cleans the engine while it runs •...

  • Page 16: Using The Rollover Protection System (Rops)

    Using the Rollover Protection System (ROPS) WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised locked position and use the seat belt. Ensure that the seat is secured to the machine. WARNING There is no rollover protection when the roll bar is in the down position.

  • Page 17: Think Safety First

    Think Safety First CAUTION This machine produces sound levels in Please read all safety instructions and symbols in the safety section. Knowing this information could help excess of 85 dBA at the operator’s ear and you or bystanders avoid injury. can cause hearing loss through extended periods of exposure.

  • Page 18: Positioning The Seat

    to the N position. Try starting the EUTRAL LOCK engine; the engine should not start. Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. To adjust the seat, move the lever sideways to unlock the seat (Figure...

  • Page 19: Changing The Seat Suspension

    Changing the Seat During Operation Suspension During Operation Safety The seat adjusts to provide a smooth and comfortable ride. Position the seat where you are most General Safety comfortable. • The owner/operator can prevent and is responsible To adjust, turn the knob in front either direction to for accidents that may cause personal injury or provide the best comfort (Figure...
  • Page 20 Watch for holes, ruts, bumps, rocks, or other • Use accessories and attachments approved by hidden objects. Uneven terrain could overturn the Toro only. machine. Tall grass can hide obstacles. • Choose a low ground speed so you will not have Rollover Protection System to stop or shift while on a slope.

  • Page 21: Operating The Parking Brake

    Operating the Parking Operating the Mower Brake Blade-Control Switch (PTO) Always engage the parking brake when you stop the The blade-control switch (PTO) starts and stops the machine or leave it unattended. mower blades and any powered attachments. Engaging the Parking Brake Engaging the Blade-Control Switch (PTO) WARNING...

  • Page 22: Operating The Ignition Switch

    Starting the Engine Raise the roll bar up and lock it into place, sit on the seat, and fasten the seat belt. Move the motion controls to the N EUTRAL LOCK position. Engage the parking brake; refer to Engaging the Parking Brake (page 21).

  • Page 23: Shutting Off The Engine

    g008947 Figure 22 Shutting Off 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 engage the parking brake when leaving the machine unattended, even if just for a few minutes.

  • Page 24: Using The Motion-Control Levers

    Using the Motion-Control CAUTION Levers The machine can spin very rapidly. You may lose control of 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...

  • Page 25: Stopping The Machine

    Driving Backward Using the Side Discharge Move the levers to the center, unlocked position. The mower has a hinged grass deflector that disperses clippings to the side and down toward the To go backward, slowly pull the motion-control turf. levers rearward (Figure 26).

  • Page 26: Adjusting The Height Of Cut

    Adjusting the Height of Cut Adjusting the Height-of-Cut Pin The height-of-cut is adjusted from 25 to 140 mm (1 Using the Transport Lock to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. The transport lock has 2 positions, and is used with Move the transport lock to the lock position.

  • Page 27: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, 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.

  • Page 28: Positioning The Flow Baffle

    Position B Use this position when bagging. Always align it with the blower opening. g027727 Figure 32 Positioning the Flow Baffle The following figures are only recommendations g005833 for use. Adjustments vary by grass type, moisture Figure 34 content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle.

  • 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 • Clean grass and debris from the cutting units, Hands may become entangled in the rotating mufflers, and engine compartment to help prevent drive components below the engine deck, fires.

  • Page 31: Transporting The Machine

    Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. 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, your family, pets, or bystanders avoid injury.

  • Page 32: Loading The Machine

    Loading the Machine Use extreme caution when loading or unloading machines onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back the machine up the ramp and drive it forward down the ramp (Figure 39).

  • Page 33: Maintenance

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

  • Page 34: Pre-Maintenance Procedures

    • To ensure optimum performance and continued safety certification of the machine, use only Procedures genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and Maintenance and Storage such use could void the product warranty.

  • Page 35: Lubrication

    Lubrication Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: No. 2 lithium or molybdenum grease Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, 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.
  • Page 36 g009029 Figure 43 g009030 Figure 45 For all other machines, grease the mower deck idler-pulley pivot until grease comes out the Remove the dust cap and adjust the caster bottom (Figure 44). pivots. Note: Keep the dust cap off until greasing is complete.

  • Page 37: Lubricating The Caster-Wheel Hubs

    Lubricating the With the open end of the wheel facing up, fill the area inside the wheel around the axle full of Caster-Wheel Hubs general-purpose grease. Insert the second bearing and new seal into the Service Interval: Yearly wheel. Shut off the engine, wait for all moving parts to Apply a thread-locking adhesive to the second stop, remove the key, and engage the parking spacer nut, and thread it onto the axle with the...

  • Page 38: Engine Maintenance

    Engine Maintenance WARNING Contact with hot surfaces may cause personal injury. Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces. Engine Safety g012996 Figure 48 Shut off the engine before checking the oil or adding oil to the crankcase.
  • Page 39 Installing the Filters Important: To prevent engine damage, always operate the engine with both air filters and the cover installed. If installing new filters, check each filter for shipping damage. Note: Do not use a damaged filter. If the inner filter is being replaced, carefully slide it into the filter body (Figure 49).

  • Page 40: Servicing The Engine Oil

    Servicing the Engine Oil Oil Type: Detergent oil (API service SJ or higher) Oil Capacity: with a filter change—1.65 L (56 oz); without a filter change—1.50 L (51 oz) Viscosity: See the table below. g008804 g012991 Figure 50 Note: Use of synthetic oil having 5W-20 or 5W-30 rating is acceptable, up to 4°C (40°F).
  • Page 41 Changing the Engine Oil Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the Service Interval: After the first 8 hours additional oil to bring it to the Full mark (Figure Every 100 hours (more often in dirty or dusty 53).

  • Page 42: Servicing The Spark Plug

    Changing the Engine-Oil Filter Servicing the Spark Plug Service Interval: Every 200 hours Service Interval: Every 200 hours—Check, clean and regap the spark plug. Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or Ensure that the air gap between the center and side sandy.
  • Page 43 Install the left hydraulic-unit shroud (Figure 55). Checking the Spark Plug Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. g009922 If you see light brown or gray on the insulator, the engine is operating properly.

  • Page 44: Checking The Spark Arrester

    Checking the Spark Fuel System Arrester Maintenance For Models with a Spark Arrester WARNING Service Interval: Every 50 hours Fuel-system components are under high pressure. The use of improper components WARNING can result in system failure, gasoline leakage, and possible explosion. Hot exhaust system components may ignite fuel vapors even after you shut off the engine.

  • Page 45: Servicing The High-Pressure Fuel Filter

    Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first 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 46 Removing the Battery Installing the Battery Note: Position the battery in the tray with the terminal WARNING posts opposite from the hydraulic tank (Figure 60). Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

  • Page 47: Servicing The Fuses

    Jump-Starting the Machine Check and clean corrosion from the battery terminals before jump-starting. Ensure that the connections are tight. CAUTION Corrosion or loose connections can cause unwanted electrical voltage spikes at any time during the jump-starting procedure. Do not attempt to jump-start the machine with loose or corroded battery terminals, g000960 or damage to the engine or EFI may...
  • Page 48 machines do not touch and that both electrical systems are off and at the same rated system voltage. These instructions are for negative ground systems only. Connect the positive (+) cable to the positive (+) terminal of the discharged battery that is wired to the starter or solenoid as shown in Figure g008804...

  • Page 49: Drive System Maintenance

    Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Inspect the seat belt for wear, cuts, and proper operation of retractor and buckle. Replace the seat belt if it is damaged. Checking the Rollover Protection System (ROPS) Knobs Service Interval: Before each use or daily WARNING...

  • Page 50: Adjusting The Tracking

    Adjusting the Tracking Checking the Tire Pressure Disengage the blade-control switch (PTO). Service Interval: Every 50 hours/Monthly (whichever comes first) Drive to an open flat area, move the motion-control levers to the N EUTRAL Maintain the air pressure in the front and rear tires at position.

  • Page 51: Adjusting The Caster-Pivot Bearing

    g001297 Figure 70 1. Spring washers 3. Dust cap g027341 2. Lock nut Figure 69 1. Slotted nut Using the Clutch Shim Adjusting the Caster-Pivot Some later model year units have been built with clutches that contain a brake shim. When the clutch Bearing brake has worn to the point where the clutch no longer engages consistently, the shim can be removed to...
  • Page 52 Removing the Clutch Shim Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 74). Shut off the engine, wait for all moving parts to stop, remove the key, engage the parking brake, Note: Do not discard the shim until proper and allow the machine to cool completely before clutch function has been confirmed.

  • Page 53: Cooling System Maintenance

    Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily g010873 Remove any buildup of grass, dirt, or other debris Figure 76 from the oil cooler (Figure 77). 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 inch), then install the shim;...

  • Page 54: Checking And Cleaning The Hydraulic-Unit Shrouds

    Checking and Cleaning the Hydraulic-Unit Shrouds Service Interval: Before each use or daily 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.

  • Page 55: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Note: This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced. Drive the machine onto a level surface. g026961 Disengage the blade-control switch (PTO), move Figure 80...

  • Page 56: Belt Maintenance

    Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Check the belts for squealing when the belt is rotating; blades slipping when cutting grass; frayed belt edges; burn marks; and cracks, which are signs of a worn mower belt. Replace the mower belt if any of these conditions occur.

  • Page 57: Replacing The Hydraulic Pump-Drive Belt

    g027730 Figure 83 g009039 1. Position the belt cover 3. Ensure that the tab is Figure 84 under the metal catch 1. Idler pulley 5. Left hydraulic-pump pulley 2. Slide the belt cover under the side catches 2. Clutch pulley 6.

  • Page 58: Controls System Maintenance

    Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, and engage the parking brake.

  • Page 59: Adjusting The Motion-Control Damper

    Note: Remove the electrical connection from the seat The wheels must stop turning or slightly safety switch, located under the bottom cushion creep in reverse. of the seat. Shut off the machine, remove the jumper wire from the wire harness, and plug the connector Note: The switch is a part of the seat assembly.

  • Page 60: Adjusting The Motion-Control Neutral-Lock Pivot

    • Seek immediate medical attention if fluid is injected into skin. Injected fluid must be surgically removed within a few hours by a doctor. Servicing the Hydraulic System Hydraulic-Fluid Type: Toro ® HYPR-OIL ™ g008621 hydraulic fluid or Mobil ®...
  • Page 61 Wipe the dipstick off and thread the dipstick into WARNING the reservoir. Hydraulic fluid escaping under pressure Remove the dipstick and look at the end (Figure can penetrate skin and cause injury. 90). • If hydraulic fluid is injected into the Important: Do not overfill the hydraulic skin it must be surgically removed...
  • Page 62 Mobil ® 1 fluid (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic fluid when using Toro ® HYPR-OIL ™ 500 hydraulic fluid (more often in dirty or dusty conditions).

  • Page 63: Mower Deck Maintenance

    Mower Deck Maintenance Leveling the Mower Deck Setting up the Machine Note: Ensure that the mower deck is level before matching the height of cut (HOC). Position the mower on a flat surface. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, and engage the parking brake.
  • Page 64 g009196 Figure 94 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 95...

  • Page 65: Servicing The Cutting Blades

    Servicing the Cutting Note: Loosen or tighten the single-point adjustment bolt enough to move the Blades height-of-cut plate mounting bolts at least 1/3 the length of the available travel in their slots. To ensure a superior quality of cut, keep the blades This regains some up and down adjustment on sharp.
  • Page 66 N EUTRAL LOCK the machine, use genuine Toro replacement blades. position, and engage the parking brake. Replacement blades made by other manufacturers Shut off the engine, remove the key, and wait may result in nonconformance with safety standards.

  • Page 67: Removing The Mower Deck

    Sharpening the Blades Use a file to sharpen the cutting edge at both ends of the blade (Figure 101). Note: Maintain the original angle. Note: The blade retains its balance if the same amount of material is removed from both cutting edges.
  • Page 68 g010252 Figure 105 5000 Series Machines 1. Right stabilizer 2. Deck strut (right side shown) 3. Remove the shoulder bolt and nut. 4. Remove the shoulder bolt and nut. g009038 Figure 104 1. Clutch pulley 5. Square hole in the idler arm for the ratchet 2.

  • Page 69: Replacing The Grass Deflector

    Cleaning Slide the deck out to the right side of the machine. Cleaning under the Mower Replacing the Grass Deflector Service Interval: Before each use or daily Disengage the blade-control switch (PTO), move WARNING the motion-control levers to the N EUTRAL position, and set the parking brake.

  • Page 70: Storage

    Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel and used at all times. Cleaning and Storage Run the engine to distribute conditioned fuel through the fuel system (5 minutes). Disengage the power takeoff (blade-control switch (PTO), engage the parking brake, and Shut off the engine, allow it to cool, and turn the ignition key to the position.
  • Page 71 Troubleshooting Problem Possible Cause Corrective Action The malfunction-indicator light (MIL) 1. The engine is too hot. 1. Shut off the engine and let it cool. comes on. 2. There is old fuel in the fuel tank. 2. Use new fuel. 3.
  • Page 72 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 73 Problem Possible Cause Corrective Action The clutch does not engage. 1. The fuse is blown. 1. Replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. 2. There is low voltage supply at the 2.
  • Page 74 Schematics g013119 Wire Diagram (Rev. A)
  • Page 75 Notes:...
  • Page 76 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.

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