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Original Instructions (EN)
Z Master
®
Series Riding Mower
With 48in, 52in, or 60in TURBO FORCE
Mower
Model No. 77248—Serial No. 410200000 and Up
Model No. 77260—Serial No. 410200000 and Up
Model No. 77280—Serial No. 410200000 and Up
Model No. 77282—Serial No. 410200000 and Up
Model No. 77284—Serial No. 410200000 and Up
Model No. 77287—Serial No. 410200000 and Up
Model No. 77290—Serial No. 410200000 and Up
Model No. 77293—Serial No. 410200000 and Up
Model No. 77299—Serial No. 410200000 and Up
Form No. 3449-184 Rev B
Professional 2000
®
*3449-184*

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Summary of Contents for Toro Z Master 77248

  • Page 1 Model No. 77284—Serial No. 410200000 and Up Model No. 77287—Serial No. 410200000 and Up Model No. 77290—Serial No. 410200000 and Up Model No. 77293—Serial No. 410200000 and Up Model No. 77299—Serial No. 410200000 and Up *3449-184* Register at www.Toro.com. Original Instructions (EN)
  • Page 2 State of California to cause Important: If you are using a machine with a Toro cancer and reproductive harm. Wash engine above 1500 m (5,000 ft) for a continuous hands after handling. period, ensure that the High Altitude Kit has been...
  • Page 3: Table Of Contents

    serial numbers on the product. Write the numbers in safety messages that you must follow to avoid the space provided. accidents. This symbol will appear with the word Danger, Warning, or Caution. Important: With your mobile device, you can • Danger indicates an imminently hazardous scan the QR code on the serial number decal (if situation which, if not avoided, will result in death...
  • Page 4 Identifying the Engine ........40 Servicing a Kawasaki ® Engine ......40 Servicing a Toro Engine ........45 Cleaning the Blower Housing......49 Cleaning the Engine Screen ......49 Cleaning the Cooling System......50 Checking the Spark Arrester ......50 Replacing the Emissions-Air Intake Filter..............
  • Page 5: Safety

    Safety This machine has been designed in accordance with ANSI standard B71.4-2017. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury or death. • Read and understand the contents of this Operator’s Manual before starting the engine.
  • Page 6: Slope Indicator

    Slope Indicator g011841 Figure 5 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 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 missing. decaloemmarkt Manufacturer's Mark decal106-5517 1. This mark indicates that the blade is identified as a part 106-5517 from the original machine manufacturer.
  • Page 8 decal109-6014 109-6014 1. Traction belt routing decal116-5610 116-5610 1. Hour meter 4. Neutral 2. Power take-off (PTO) 5. Operator presence switch 3. Parking brake 6. Battery decal112-3858 112-3858 1. Read the Operator's 3. Remove the key before Manual. adjusting the height of cut. 2.
  • Page 9 decal144-3778 144-3778 1. Choke 3. Slow 2. Fast 4. Headlights decal117-1194 117-1194 1. Belt routing 2. Engine decal126-4363 126-4363 decal133-8062 133-8062 1. Cutting/dismemberment hazard, fan and entanglement hazard, belt. Shut off the engine and remove the key before adjusting, servicing or cleaning the machine. decal117-3848 117-3848 decal135-2310...
  • Page 10 Decal 131-1097 is for machines with Toro engines only. decal131-1097 131-1097 1. Oil drain decal126-4784 126-4784 1. Height of cut decal136-9024 136-9024 1. Read the Operator’s 4. Grease point Manual before performing maintenance. 2. Operating hours 5. Hydraulic-fluid level decal126-9939 3.
  • Page 11 decal126-8151 126-8151 1. Read the instructions before servicing or performing 4. Refer to the Operator's Manual for grease instructions. maintenance on the machine. 2. Time interval 5. Check the hydraulic-fluid level and refer to the Operator's Manual for further instructions. 3.
  • Page 12 Decal 126-8383 is for machines without MyRide only. decal126-8383 126-8383 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 13 Decal 132-0871 is for machines with MyRide only. 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 14: Product Overview

    Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Control Panel g271171 Figure 7 1. Power point 5. Blade-control switch (power takeoff) 2. Choke control 6. Key switch 3. Throttle control 7.
  • Page 15 Hour Meter Fuel-Shutoff Valve The hour meter records the number of hours the Close the fuel-shutoff valve when transporting or engine has operated. It operates when the engine storing the machine; refer to Using the Fuel-Shutoff is running. Use these times for scheduling regular Valve (page 33).
  • Page 16: Specifications

    409 to 456 kg (901 to 1,006 lb) Attachments/Accessories 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 authorized Toro distributor or go to www.Toro.com...
  • Page 17: Before Operation

    Fuel Safety Operation • Fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and Note: Determine the left and right sides of the others and can damage property. machine from the normal operating position. –...
  • Page 18: Adding Fuel

    Adding Fuel Note: Do not fill the fuel tank completely full. The empty space in the tank allows the fuel to expand. Recommended Fuel • For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method).
  • Page 19: Breaking In A New Machine

    Breaking in a New Machine New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance.
  • Page 20: Using The Safety-Interlock System

    Using the Safety-Interlock Test the safety-interlock system before you use the machine each time. If the safety system does not System operate as described below, have an Authorized Service Dealer repair the safety system immediately. Sit on the seat, engage the parking brake, and WARNING move the blade-control switch (PTO) to the O If the safety-interlock switches are...
  • Page 21: Positioning The Seat

    Positioning the Seat Adjusting the Rear-Shock Assemblies The seat can move forward and backward (Figure 13). Position the seat where you have the best control of Machines with MyRide™ the machine and are most comfortable. Suspension System Only The MyRide™ suspension system adjusts to provide a smooth and comfortable ride.
  • Page 22: Using Attachments And Accessories

    Using Attachments and Accessories Use only Toro approved attachments and accessories. If you add more than 1 accessory mount kit (i.e., bucket kit or universal mount kit) to both of the locations shown in Figure 17, add a front weight kit.
  • Page 23 • The ROPS is an integral safety device. Do not • Use only accessories and attachments approved remove any of the ROPS components from the by Toro. machine. • This machine produces sound levels in excess • Ensure that the seat belt is attached and that you of 85 dBA at the operator’s ear and can cause...
  • Page 24 If possible, keep the deck lowered to the ground Authorized Service Dealer to inspect the ROPS. while operating on slopes. Raising the deck while operating on slopes can cause the machine to • Use only Toro approved accessories and become unstable. attachments for the ROPS. Slope Safety •...
  • Page 25: Entering The Operator's Position

    Entering the Operator’s Disengaging the Parking Brake Position Use the mower deck as a step to get into the operator’s position (Figure 20). g192635 g029797 Figure 22 Figure 20 1. Step here. Operating the Parking Brake Always engage the parking brake when you stop the machine or leave it unattended.
  • Page 26: Operating The Mower Blade-Control Switch (Pto)

    Operating the Mower Operating the Choke Blade-Control Switch (PTO) Use the choke to start a cold engine. Pull up the choke knob to engage the choke The blade-control switch (PTO) starts and stops the before using the key switch (Figure 26).
  • Page 27: Starting The Engine

    Starting the Engine Shutting Off the Engine Note: Note: A warm or hot engine may not require choking. Refer to Figure 43 to determine which engine you have. Important: Do not engage the starter for more than 5 seconds at a time. Engaging the starter CAUTION motor for more than 5 seconds can damage the starter motor.
  • Page 28: Using The Motion-Control Levers

    Shutting Off Toro Engines Using the Motion-Control Levers Note: Ensure the throttle is in the F position before shutting off the engine. g004532 Figure 30 1. Motion-control 4. Reverse g037049 levers—N EUTRAL LOCK Figure 29 position 2. Center, unlocked position 5.
  • Page 29: Driving The Machine

    Driving the Machine The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require some time for you to adapt to how it moves.
  • Page 30: 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. Push on the deck-lift pedal using your foot to raise the mower deck (Figure 33).
  • Page 31: 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 32: 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 After Operation more slowly.
  • Page 33: Using The Fuel-Shutoff Valve

    Using the Fuel-Shutoff Using the Drive-Wheel Release Valves Valve Close the fuel-shutoff valve for transport, maintenance, WARNING and storage (Figure 36). Hands may become entangled in the rotating Ensure that the fuel-shutoff valve is open when drive components below the engine deck, starting the engine.
  • Page 34: 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 35 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 38).
  • Page 36: Maintenance

    Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • For Toro engines—change the engine oil and filter. After the first 5 hours • Change the hydraulic-system filters and fluid. After the first 75 hours • Check the safety-interlock system.
  • Page 37 Maintenance Service Maintenance Procedure Interval • For Toro engines—change the engine oil and oil filter (more often in dirty or dusty Every 100 hours or yearly, conditions). whichever comes first • For Toro engines—check the spark plug(s). • For Kawasaki engines—change the engine-oil filter (more often in dirty or dusty conditions).
  • Page 38: Lubrication

    Lubrication Greasing the Machine Service Interval: Every 25 hours—Grease the front caster axles (more often in dirty or dusty conditions). Every 50 hours—Grease the pump-idler pivot. Grease the machine more often in dirty or dusty conditions. 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 39: 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 40: Engine Maintenance

    Servicing a Kawasaki ® Engine (page 40). engines—check the safety air filter (more often • For Toro engine maintenance, refer to Servicing a in dirty or dusty conditions). Toro Engine (page 45). Every 500 hours—For Kawasaki engines—replace the safety air filter (more often in dirty or dusty conditions).
  • Page 41 Carefully slide the primary filter over the safety filter (Figure 45). Note: Ensure that the primary filter is fully seated by pushing on the outer rim while installing it. Important: Do not press on the soft, inside area of the filter. Install the air-cleaner cover and secure the latches (Figure...
  • Page 42 Servicing the Engine Oil To keep dirt, grass clippings, etc., out of the engine, clean the area around the oil-fill cap and Service Interval: Before each use or daily dipstick before removing it (Figure 47). Every 100 hours (more often in dirty or dusty conditions).
  • Page 43 Disengage the blade-control switch (PTO) and Slowly pour approximately 80% of the specified engage the parking brake. oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure Shut off the engine, remove the key, and wait 49).
  • Page 44 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 check and adjust the air gap.
  • Page 45: Servicing A Toro Engine

    Servicing a Toro Engine This section is only for machines with Toro engines. If your engine looks like the one shown in Figure you have a Toro engine. g206628 Figure 52 Installing the Spark Plug(s) g296342 Figure 54 Servicing the Air Cleaner Service Interval: Every 250 hours—For Toro...
  • Page 46 Servicing the Engine Oil Service Interval: Before each use or daily—For Toro engines—check the engine-oil level. After the first 5 hours/After the first month (whichever comes first)—For Toro engines—change the engine oil and filter. Every 100 hours or yearly, whichever comes first—For Toro engines—change the engine...
  • Page 47 g027799 g311705 Figure 57 Changing the Engine Oil and Oil Filter Park the machine on a level surface to ensure that the oil drains completely. 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 48 Every 200 hours/Every 2 years (whichever Figure 59 comes first)—For Toro engines—replace the spark plug(s). Slowly pour approximately 80% of the specified Ensure that the air gap between the center and side oil into the filler tube and slowly add the electrodes is correct before installing the spark plug.
  • Page 49: Cleaning The Blower Housing

    Installing the Spark Plug(s) g036857 g027478 Figure 61 g027960 Figure 63 Checking the Spark Plug(s) Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has a Cleaning the Blower black coating, worn electrodes, an oily film, or cracks.
  • Page 50: Cleaning The Cooling System

    Cleaning the Cooling Checking the Spark System Arrester Park the machine on a level surface, disengage For Machines with a Spark the blade-control switch (PTO), and engage the Arrester parking brake. Shut off the engine, remove the key, and wait Service Interval: Every 50 hours for all moving parts to stop before leaving the operating position.
  • Page 51: Replacing The Emissions-Air Intake Filter

    Replacing the Fuel System Emissions-Air Intake Filter Maintenance Service Interval: Every 500 hours DANGER Park the machine on a level surface, disengage In certain conditions, fuel is extremely the blade-control switch (PTO), and engage the parking brake. flammable and highly explosive. A fire or explosion from fuel can burn you and others Shut off the engine, remove the key, and wait and can damage property.
  • Page 52: Servicing The Fuel Tank

    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 53 Shut off the engine, remove the key, and wait Install the battery in the machine and connect for all moving parts to stop before leaving the the battery cables; refer to Installing the Battery operating position. (page 54). Remove the battery as shown in Figure Note: Do not run the machine with the battery...
  • Page 54: Servicing The Fuses

    Installing the Battery Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 65). Install the positive (red) battery cable to the positive (+) battery terminal. Install the negative (black) battery cable and ground wire to the negative (-) battery terminal. Note: For MyRide machines, ensure that the ground cable does not rub against the trailing...
  • Page 55: 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 the retractor and buckle. Replace the seat belt if it is damaged. Adjusting the Tracking Disengage the blade-control switch (PTO).
  • Page 56: Checking The Tire Pressure

    Checking the Tire Pressure Brake Maintenance For Machines with Pneumatic Adjusting the Parking Tires Only Brake Service Interval: Every 50 hours/Monthly (whichever comes first) For machines with Service Interval: Every 500 hours pneumatic tires only. Note: Perform this procedure whenever you remove Maintain the air pressure in the caster tires and rear or replace a brake component.
  • Page 57 Rotate the brake-linkage shaft until the end aligns with the hole in the lever. • Shorten the linkage by turning it clockwise. • Lengthen the linkage by turning it counterclockwise. Insert the brake-linkage shaft into the parking-brake hole and secure with the cotter pin.
  • Page 58: Belt Maintenance

    Figure 73 Remove the spring tension from the spring-loaded idler pulley; refer to Figure Note: Use the spring removal tool (Toro Part No. 92-5771) to remove the spring from the mower-deck post (Figure 75). Remove the belt from the mower-deck pulleys and the clutch pulley.
  • Page 59: Replacing The Hydraulic Pump-Drive Belt

    Install the belt covers (Figure 76). Remove the idler spring from the post (Figure 78). Remove the existing belt from the hydraulic-pump-drive pulleys and the engine pulley. Install the new belt around the engine pulley and the 2 hydraulic-pump pulleys (Figure 78).
  • Page 60: Controls System Maintenance

    Adjusting the Tilt Controls System Park the machine on a level surface, disengage Maintenance the blade-control switch (PTO), and engage the parking brake. Adjusting the Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the Control-Handle Position operating position.
  • Page 61: Adjusting The Motion-Control Linkage

    Adjusting the Adjust the pump-control-rod lengths by rotating the nut in the appropriate direction until the Motion-Control Linkage wheels slightly creep in reverse (Figure 81). Located on either side of the machine, below the seat, are the pump-control linkages. Rotating the end nut with a 1/2-inch deep socket wrench allows fine tuning adjustments so that the machine does not move in neutral.
  • Page 62: Hydraulic System Maintenance

    Hydraulic System Capacity (with filters removed): Every 500 hours—After the initial 4.45 L (150 fl oz) change—change the hydraulic-system filters and fluid when using Toro ® HYPR-OIL ™ 500 fluid. (Change it more often under dirty or Checking the Hydraulic...
  • Page 63 Shut off the engine, remove the key, and wait Install the filter guards over each filter that you for all moving parts to stop before leaving the previously removed. operating position. Use the 3 screws to secure the filter guards. Allow the engine to cool.
  • Page 64: Bleeding The Hydraulic System

    Bleeding the Hydraulic System Raise the rear of machine and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. g017625 Figure 85 1. Jacking points Start the engine, move the throttle control ahead g027477 to the 1/2 throttle position, and disengage the Figure 84...
  • Page 65: Mower Deck Maintenance

    Mower Deck Check the fluid level in the expansion reservoir a final time. Add the specified fluid as until it Maintenance reaches the F line on the expansion reservoir. Blade Safety • Inspect the blades periodically for wear or damage. •...
  • Page 66 g006530 Figure 86 1. Cutting edge 3. Wear/slot forming g014973 Figure 88 2. Curved area 4. Crack 1. Blade (in position for measuring) 2. Level surface Checking for Bent Blades 3. Measured distance between blade and the surface (A) Note: The machine must be on a level surface for Rotate the same blade 180 degrees so that the following procedure.
  • Page 67 g014973 Figure 90 1. Opposite blade edge (in position for measuring) 2. Level surface 3. Second measured distance between blade and surface (B) g017443 If the difference between A and B is greater Figure 91 than 3 mm (1/8 inch), replace the blade with a new blade;...
  • Page 68: Adjusting The Side-To-Side Leveling And The Blade Slope

    Position the mower deck in the transport-lock position. Carefully rotate the blades from side to side. Measure between the blade tip and the flat g000553 Figure 93 surface (Figure 94). If both measurements are not within 5 mm (3/16 inch), adjust the leveling; 1.
  • Page 69 Raise the deck to the transport position (12.7 cm or 5 inches). Slowly loosen the adjusting screw on the lift-assist spring until you can remove the screw (see Figure 96). Note: Save the screw for installation. g038090 Figure 97 Bottom view 1.
  • Page 70: Removing The Mower Deck

    Removing the Mower Deck Ensure that the blocks fit snugly under the deck skirt and that all attachment bolts are tight Before servicing or removing the mower deck, lock Continue leveling the deck by checking the out the spring-loaded deck arms. front-to-rear blade slope.
  • Page 71: Replacing The Grass Deflector

    Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Never operate the machine unless you install a mulch plate, discharge deflector, or grass collection system.
  • Page 72: Cleaning

    Cleaning Cleaning under the Mower Deck Service Interval: After each use 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.
  • Page 73: Storage

    Storage Check the condition of the blades; refer to Servicing the Cutting Blades (page 65). 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 74: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3.
  • Page 75 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or 2. Change the belt. broken. 3. The pump belt is off a pulley. 3.
  • Page 76: Schematics

    Schematics g018479 Wire Diagram—Toro Engines (Rev. A)
  • Page 77 g037072 Wire Diagram—Kawasaki Engines (Rev. A)
  • Page 78 Notes:...
  • Page 79 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.

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