Table of Contents
Related Manuals for Toro 72958
Summary of Contents for Toro 72958
- Page 1 Form No. 3433-904 Rev A Z Master ® Commercial 3000 Series Riding Mower with 60in TURBO FORCE ® Side Discharge Mower Model No. 72958—Serial No. 400000000 and Up *3433-904* A Register at www.Toro.com. Original Instructions (EN)
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Page 2: Table Of Contents
Section 4442, maintained in additional information, contact an Authorized Service effective working order or the engine is constructed, Dealer or Toro Customer Service and have the model equipped, and maintained for the prevention of fire. and serial numbers of your product ready. - Page 3 Controls ............12 Electrical System Safety ........45 Specifications ..........13 Servicing the Battery......... 45 Before Operation ..........14 Servicing the Fuses .......... 47 Before Operation Safety ........14 Jump-Starting the Machine....... 47 Adding Fuel ............16 Drive System Maintenance ........49 Performing Daily Maintenance......
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Page 4: Safety
Safety This machine is capable of amputating hands and feet This machine has been designed in accordance with and of throwing objects. Toro designed and tested ANSI standard B71.4-2017. this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death. -
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 decal116-1716 116-1716 1. Fuel 6. Hour meter 2. Empty 7. PTO 3. Half 8. Parking brake 4. Full 9. Neutral 5. Battery 10. Operator presence switch decal133-8062 133-8062 decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down.
- Page 8 decal116-8726 116-8726 1. Read the Operator’s Manual for the recommended hydraulic fluid. decal117-3848 117-3848 1. Thrown object hazard—keep bystanders away. 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 decal126-4398 126-4398 1. Read the Operator’s 3. Unlock Manual. decal131-1180 2. Lock 131-1180 3. Bagging setting 1. Read the Operator's Manual. 2. Short, light grass; dry 4. Tall, dense grass; wet conditions conditions decal127-0326 127-0326 1. Read the Operator's 3. Remove the key and Manual.
- Page 10 decal125-9383 125-9383 1. Check 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. maintenance.
- 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.
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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 24). Throttle Control The throttle controls the engine speed, and it has a continuous-variable setting from the S to F position... -
Page 13: Specifications
Authorized Service Dealer or authorized Toro positioned correctly (Figure distributor or go to www.Toro.com for a list of all approved attachments and accessories. Battery-Indicator Light To ensure optimum performance and continued safety... -
Page 14: Before Operation
Only use accessories and trailer. attachments approved by Toro. • • Do Not fill the fuel tank completely full. Inspect the area where the equipment is to be... - Page 15 To help prevent fires: DANGER • Keep engine and engine area free from In certain conditions during fueling, static accumulation of grass, leaves, excessive grease electricity can be released causing a spark or oil, and other debris which can accumulate in which can ignite gasoline vapors.
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Page 16: 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 17: Using The Rollover-Protection System
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 18: 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 19: Positioning The Seat
Positioning the Seat Changing the Seat Suspension The seat can move forward and backward. Position the seat where you have the best control of the The seat is adjustable to provide a smooth and machine and are most comfortable (Figure 10). - Page 20 WARNING WARNING Engine exhaust contains carbon monoxide, Hands, feet, hair, clothing, or accessories which is an odorless deadly poison that can can become entangled in rotating parts. kill you. Contact with the rotating parts can cause traumatic amputation or severe Do Not run engine indoors or in a small lacerations.
- Page 21 – Before and while backing or changing direction, look behind, down, and side-to-side for small children. – Never allow children to operate the machine. – Do Not carry children, even with the blades shut off. Children could fall off and be seriously injured or interfere with the safe operation of the machine.
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Page 22: Operating The Parking Brake
In the event of a rollover, take the unit to an Authorized Service Dealer to have the ROPS inspected. g027335 Figure 15 • Replace a damaged ROPS. Do Not repair or revise. • Any accessories, alterations, or attachments added to the ROPS must be approved by Toro. -
Page 23: 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 19). -
Page 24: Starting The Engine
Starting the Engine Shutting Off the Engine Important: Do not engage starter for more than 5 CAUTION seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow Children or bystanders may be injured if they these instructions can burn out the starter motor. -
Page 25: Using The Motion-Control Levers
Using the Motion-Control WARNING Levers 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. -
Page 26: Using The Side Discharge
Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without a grass deflector, discharge cover, or a complete grass-catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. -
Page 27: 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 to 5-1/2 inches) in 6 mm (1/4 inch) increments by Using the Transport Lock 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 28: Adjusting The Anti-Scalp Rollers
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. Park the machine on a level surface, disengage the blade-control switch, 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 29: 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 30: 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 31: After Operation
Using the After Operation Drive-Wheel-Release After Operation Safety Valves General Safety WARNING Hands may become entangled in the rotating • Park machine on level ground, disengage drives, drive components below the engine deck, set parking brake, stop engine, remove key or disconnect spark plug wire. -
Page 32: 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 33 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 35).
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Page 34: Maintenance
Unauthorized WARNING modifications to the original equipment or failure to use original Toro parts could lead While maintenance or adjustments are being to serious injury or death. Unauthorized made, someone could start the engine. -
Page 35: Recommended Maintenance Schedule(S)
• • Use jack stands to support the machine and/or Keep hands and feet away from moving parts. components when required. If possible, Do Not make adjustments with the engine running. If the maintenance or adjustment procedure require the engine to be running and CAUTION components moving, use extreme caution. -
Page 36: Lubrication
Every 500 hours • 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) • Replace the inner air filter. Every 600 hours •... -
Page 37: 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 38: Greasing The Caster-Wheel Hubs
Greasing the Caster-Wheel Pack the bearings with a general-purpose grease. Hubs Insert 1 bearing and 1 new seal into the wheel. If the axle assembly is missing both spacer nuts, Service Interval: Yearly apply a thread-locking compound to 1 spacer Park the machine on a level surface, disengage nut and thread it onto the axle with the wrench the blade-control switch, and engage the parking... - Page 39 Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Release the latches on the air cleaner and pull the air-inlet cover off the air-cleaner body (Figure 43). Clean the air-inlet screen and cover. Install the air-inlet cover and secure it with the latches (Figure...
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Page 40: Servicing The Engine Oil
Note: Ensure that the primary filter is fully To keep dirt, grass clippings, etc., out of the seated by pushing on the outer rim while engine, clean the area around the oil-fill cap and installing it. dipstick before removing it (Figure 46). - Page 41 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 48).
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Page 42: Servicing The Spark Plug(S)
Servicing the Spark Plug(s) Service Interval: Every 200 hours—Check the spark plug(s). Every 500 hours—Replace the spark plug(s). Type: Champion XC12YC g008804 Air Gap: 0.76 mm (0.03 inch) Removing the Spark Plug(s) Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. - Page 43 Remove the spark plug. g008803 g027661 Figure 53 g027478 Figure 51 Checking the Spark Plug(s) Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has a black coating, worn electrodes, an oily film, or cracks. If you see light brown or gray on the insulator, the engine is operating properly.
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Page 44: Checking The Spark Arrester
Checking the Spark Fuel System Arrester Maintenance For Machines with a Spark DANGER Arrester In certain conditions, fuel is extremely Service Interval: Every 50 hours flammable and highly explosive. A fire or explosion from fuel can burn you and others WARNING and can damage property. -
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 Charging the Battery Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. WARNING Remove the battery as shown in Figure Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from the battery.
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Page 47: Servicing The Fuses
Installing the Battery Servicing the Fuses Note: Position the battery in the tray with the terminal The electrical system is protected by fuses. It requires posts opposite from the hydraulic tank (Figure 57). no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. - Page 48 DANGER Jump-starting a weak battery that is cracked or frozen or has a low electrolyte level or an open/shorted battery cell can cause an explosion, resulting in serious personal injury. Do not jump-start a weak battery if these conditions exist. Make sure that the booster battery is a good g012785 Figure 59...
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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 the retractor and buckle. Replace the seat belt if it is damaged. Checking the Roll-Bar 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 position. -
Page 51: Checking The Wheel-Hub Slotted Nut
Checking the Wheel-Hub Adjusting the Caster-Pivot Slotted Nut Bearing Service Interval: After the first 100 hours Service Interval: Every 500 hours/Yearly (whichever comes first) Every 500 hours Park the machine on a level surface, disengage Check and ensure that the torque of the slotted nut is the blade-control switch (PTO), and engage the 286 to 352 N∙m (211 to 260 ft-lb). -
Page 52: Removing The Clutch Shim
Removing the Clutch Shim Verify that 12 V is present at the clutch connector when the blade-control switch (PTO) switch is engaged. Some later model year units have been built with clutches that contain a brake shim. When the clutch Measure the gap between the rotor and brake has worn to the point where the clutch no longer armature. -
Page 53: Cooling System Maintenance
Cooling System sides of the brake pole as shown in Figure Figure Maintenance Note: Due to the way the rotor and the armature faces wear (peaks and valleys) it is sometimes difficult to measure the gap Cleaning the Engine Screen accurately. -
Page 54: Cleaning The Engine-Cooling Fins And Shrouds
Cleaning the Checking and Cleaning the Engine-Cooling Fins and Hydraulic-Unit Shrouds Shrouds Service Interval: Before each use or daily Park the machine on a level surface, disengage Service Interval: Every 100 hours/Yearly (whichever the blade-control switch (PTO), and engage the comes first) parking brake. -
Page 55: Brake Maintenance
Brake Maintenance Note: To lengthen the linkage, rotate the clevis 1 turn outward. Tighten the jam nut on the rear linkage (Figure Adjusting the Parking 76). Brake Ensure that the wheel hub moves freely between the caliper brake pads. Service Interval: After the first 100 hours Repeats steps for the right side. -
Page 56: Belt Maintenance
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. -
Page 57: Replacing The Hydraulic Pump-Drive Belt
g027730 Figure 79 g009039 1. Position the belt cover. 3. Ensure that the tab is Figure 80 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. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. -
Page 59: Adjusting The Motion-Control Damper
Raise the rear of the machine up and support it Move the motion-control levers to the REVERSE with jack stands (or equivalent support) just high position and while applying slight pressure to enough to allow the drive wheels to turn freely. the lever, allow the reverse-indicator springs to bring the levers back to neutral. -
Page 60: Adjusting The Motion-Control Neutral-Lock Pivot
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 61: Changing The Hydraulic Fluid And Filters
H line. Every 500 hours—After the initial Install the dipstick. change—change the hydraulic-system filters and fluid when using Toro ® HYPR-OIL ™ Repeat the procedure for the opposite dipstick. 500 fluid. (Change it more often under dirty or... - Page 62 Place a drain pan under the filter, remove the old filter, and wipe the surface clean (Figure 88). g008968 Figure 88 Bottom view of the machine 1. Filter locations 2. Hydraulic filter Apply a thin coat of hydraulic fluid to the rubber gasket on the replacement filter (Figure 88).
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Page 63: Mower Deck Maintenance
Mower Deck Maintenance Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to g006530 Figure 89 repair a damaged blade may result in discontinued safety certification of the product. - Page 64 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 92...
- Page 65 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.
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Page 66: Leveling The Mower Deck
Leveling the Mower Deck 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. Check the tire pressure in the drive tires;... - Page 67 g009196 Figure 100 1. 7.6 cm (3 inch) at position 3. Measure here from the g027345 A is correct blade tip to the hard Figure 102 surface 1. Bolts at the bottom of the height-of-cut plate 4. Measure at position A and 2.
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Page 68: Removing The Mower Deck
Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as shown in Figure 100. Note: The measurement should read 8.3 cm (3-1/4 inches) Fine tune the screw adjuster by turning it to get 8.3 mm (3-1/4 inches) height... -
Page 69: Replacing The Grass Deflector
Raise the deck struts and secure them in the Place 1 J-hook end of the spring around the raised position. grass deflector (Figure 106). Slide the deck out to the right side of the Important: The grass deflector must be able machine. -
Page 70: Cleaning
Cleaning Cleaning under the Mower Deck Service Interval: Before each use or daily 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 71: Storage
Storage Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: Storage Safety Add a petroleum-based stabilizer/conditioner to fuel in the • Shut off the engine, remove the key, wait for all tank. -
Page 72: Troubleshooting
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 73 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 74 Problem Possible Cause Corrective Action The blades do not rotate. 1. The mower deck belt is damaged, 1. Install a new deck belt. worn, loose, or broken. 2. Install the mower belt on the deck 2. The mower deck belt is off the pulley. pulley and check the idler pulley, idler arm, and spring for correct position and function.
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Page 75: Schematics
Schematics g013119 Electrical Schematic (Rev. A) - Page 76 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.