Toro 72904 Operator's Manual
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Toro 72904 Operator's Manual

Toro 72904 Operator's Manual

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Original Instructions (EN)
Z Master
®
6000 Series Riding Mower
with 48in, 52in, 60in, or 72in TURBO FORCE
Mower
Model No. 72904—Serial No. 400000000 and Up
Model No. 72906—Serial No. 400000000 and Up
Model No. 72918—Serial No. 400000000 and Up
Model No. 72926—Serial No. 400000000 and Up
Model No. 72928—Serial No. 400000000 and Up
Model No. 72930—Serial No. 400000000 and Up
Model No. 72943—Serial No. 400000000 and Up
Model No. 72945—Serial No. 400000000 and Up
Model No. 72951—Serial No. 400000000 and Up
Model No. 72955—Serial No. 400000000 and Up
Form No. 3433-908 Rev A
Professional 5000 or
®
*3433-908* A

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Summary of Contents for Toro 72904

  • Page 1 6000 Series Riding Mower with 48in, 52in, 60in, or 72in TURBO FORCE ® Mower Model No. 72904—Serial No. 400000000 and Up Model No. 72906—Serial No. 400000000 and Up Model No. 72918—Serial No. 400000000 and Up Model No. 72926—Serial No. 400000000 and Up Model No.
  • Page 2 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: Table Of Contents

    Contents Engine Safety ........... 46 Servicing the Air Cleaner ........46 Servicing the Engine Oil........47 Safety ............... 5 Servicing the Spark Plug(s) ......50 Safety Alert Symbol ..........5 Checking the Spark Arrester ......51 General Safety ........... 5 Fuel System Maintenance ........
  • Page 4 Leveling the Mower Deck........74 Removing the Mower Deck....... 77 Replacing the Grass Deflector ......78 Cleaning .............. 79 Cleaning under the Mower Deck ....... 79 Cleaning the Suspension System ..... 79 Disposing of Waste........... 79 Storage ..............80 Storage Safety..........80 Cleaning and Storage ........

  • Page 5: 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 6: 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 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. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1.
  • Page 8 decal110-2067 110-2067 decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards and shields in place. Machines with MyRide™ Only 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 9 decal133-8062 133-8062 Machines without MyRide™ Only decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal117-0346 117-0346 1. Fuel leak hazard—read the Operator's Manual; do not attempt to remove the roll bar; do not weld, drill or modify the roll bar in any way. decal116-8726 116-8726 1.
  • 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. decal126-2055 126-2055 1.
  • Page 11 Machines with Rear Discharge Only g224114 126-5641 1. PTO 4. Operator-presence switch 2. Parking brake 5. See user’s guide for operating condition code 3. Neutral decal140-1198 140-1198 1. Rotate the nut clockwise 2. Attention—read the to remove. Operator’s Manual. decal126-7875 126-7875 1.
  • Page 12 Machines with Side Discharge Only Machines with Side Discharge Only decal136-5508 136-5508 decal131-1180 1. Belt routing 131-1180 3. Bagging setting 1. Read the Operator's Manual. 2. Short, light grass; dry 4. Tall, dense grass; wet conditions conditions Machines with MyRide™ Only decal132-5063 132-5063 1.
  • Page 13 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 decal137-9208 137-9208 1. Fast 4. Engine—stop 2. Slow 5. Engine—run 3. PTO 6. Engine—start Machines with Rear Discharge Only decal136-5522 136-5522 1. Belt routing; read the Operator’s Manual for greasing information.

  • Page 15: Product Overview

    Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Control Panel g232246 Figure 5 g029631 Figure 4 1. Blade-control switch 3. Hour (power takeoff) meter/Safety-interlock Side Discharge Machine Shown display 8. Rear-shock assembly 1.
  • Page 16 Refer to the Software Guide for more information. the machine (Figure 25). Always position the motion-control levers into the N position EUTRAL LOCK when you stop the machine or leave it unattended. Parking-Brake Lever Whenever you shut off the engine, engage the parking brake to prevent accidental movement of the machine.

  • Page 17: Specifications

    Contact your Authorized Service Dealer or authorized Toro 52-inch Mower Deck 533 kg (1,174 lb) distributor or go to www.Toro.com for a list of all approved attachments and accessories. 60-inch Mower Deck 569 kg (1,255 lb)

  • Page 18: 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 19 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.

  • Page 20: 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 21: 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 22: Using The Safety-Interlock System

    Using the Safety-Interlock Testing the Safety-Interlock System System Service Interval: Before each use or daily WARNING Test the safety-interlock system before you use the machine each time. If the safety system does not If the safety-interlock switches are operate as described below, have an Authorized disconnected or damaged, the machine could Service Dealer repair the safety system immediately.

  • Page 23: Positioning The Seat

    Positioning the Seat Machines without MyRide™ Suspension System The seat can move forward and backward. Position the seat where you have the best control of the To unlatch the seat, push the seat latch forward machine and are most comfortable (Figure 10).

  • Page 24: Adjusting The Rear-Shock Assemblies

    Adjusting the Rear-Shock Assemblies Machines with MyRide™ Suspension System Only The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. You can adjust the g030024 rear 2-shock assemblies to quickly and easily change the suspension system. Position the suspension system where you are most comfortable.

  • Page 25: During Operation

    During Operation • Be sure all drives are in neutral and parking brake is engaged before starting engine. Use seat belts with the roll bar in the raised and locked position. During Operation Safety • Start the engine carefully according to instructions with feet well away from the blades.
  • Page 26 – Before clearing blockages. distance (twice the width of the machine) between the machine and any hazard. Use a walk behind – Whenever you leave the mower. Do Not leave machine or a hand trimmer to mow the grass in a running machine unattended.

  • Page 27: Entering The Operator's Position

    In the event of a rollover, take the unit to an Authorized Service Dealer to have the ROPS inspected. • Replace a damaged ROPS. Do Not repair or revise. • Any accessories, alterations, or attachments added to the ROPS must be approved by Toro.

  • Page 28: Operating The Parking Brake

    Operating the Parking Brake Always engage the parking brake when you stop the machine or leave it unattended. Engaging the Parking Brake g008945 Figure 20 Park the machine on a level surface. Disengaging the Blade-Control Switch (PTO) g027334 Figure 18 g009174 Figure 21 Disengaging the Parking Brake...

  • Page 29: 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 30: 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 31: Using The Side Discharge

    Using the Side Discharge Machines with Side Discharge Only 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 32: 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 33: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Rollers Machines with Side Discharge 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. g029957 Shut off the engine, remove the key, and wait Figure 32 for all moving parts to stop before leaving the 1.

  • Page 34: Adjusting The Skid(S)

    g024244 Figure 35 3. Nut 1. Carriage bolt 2. Skid g024243 Figure 34 Move each skid to the desired position and 1. Bolt 3. Anti-scalp roller secure them with the carriage bolts and nuts. 2. Bushing 4. Flange nut Note: Only use the top or center sets of holes to adjust the skids.

  • Page 35: Positioning The Flow Baffle

    Positioning the Flow Baffle Position B Use this position when bagging. Always align it with For Machines with Side Discharge the blower opening. The following figures are only recommendations for use. 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 up the baffle.

  • Page 36: Operating Tips

    Mowing at Correct Intervals Grass grows at different rates at different times of the year. To maintain the same cutting height, mow more often in early spring. As the grass growth rate slows in mid summer, mow less frequently. If you cannot mow for an extended period, first mow at a high cutting height, then mow again 2 days later at a lower height setting.

  • Page 37: After Operation

    File down any nicks and sharpen the blades as necessary. If a blade is g008948 damaged or worn, replace it immediately with a Figure 39 genuine Toro replacement blade. 1. O position 2. O position...

  • Page 38: Transporting The Machine

    Transporting the Machine The drive-wheel-release valves are located in the back of each hydraulic-drive unit, under the seat. Use a heavy-duty trailer or truck to transport the Note: Make sure that the release valves are in the machine. Use a full-width ramp. Ensure that the trailer fully horizontal position when operating the machine;...
  • Page 39 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 41).

  • Page 40: 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 41: 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 42 • Check the parking brake adjustment. • 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 43: Lubrication

    Lubrication Greasing the Machine 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. g017050 Shut off the engine, remove the key, and wait Figure 45 for all moving parts to stop before leaving the operating position.
  • Page 44 g024207 Figure 49 Machines with Rear Discharge Only g192516 Figure 47 Machine with Rear Discharge Shown Remove the dust cap and adjust the caster pivots. Grease the drive-belt idler arms (Figure 48). Note: Keep the dust cap off until greasing is done.

  • Page 45: Greasing The Caster Pivots

    Greasing the Caster Pivots Remove a spacer nut from the axle assembly in the caster wheel. Service Interval: Every 400 hours/Yearly (whichever Note: Thread-locking compound has been comes first) (more often in dirty or applied to lock the spacer nuts to the axle. dusty conditions).

  • Page 46: Engine Maintenance

    Engine Maintenance Engine Safety Release the latches on the air cleaner and pull the air-cleaner cover off the air-cleaner body • Shut off the engine before checking the oil or (Figure 53). adding oil to the crankcase. Clean the inside of the air-cleaner cover with •...

  • Page 47: Servicing The Engine Oil

    Servicing the Engine Oil Inspect the primary filter for damage by looking into the filter while shining a bright light on the outside of the filter. If the primary filter is dirty, Service Interval: Before each use or daily bent, or damaged, replace it. Every 100 hours (more often in dirty or dusty conditions).
  • Page 48 Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Drain the oil from the engine (Figure 56). g008804 g008804 g194611 Figure 55 g027734 Figure 56 Changing the Engine Oil Note: Dispose of the used oil at a recycling center.
  • Page 49 Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 57). g008804 g194610 Figure 57 Start the engine and drive to a flat area. Check the oil level again.

  • Page 50: Servicing The Spark Plug(S)

    Servicing the Spark Plug(s) Remove the spark plug. Service Interval: Every 200 hours—Check the spark plug(s). Every 500 hours—Replace the spark plug(s). Type: Champion XC12YC Air Gap: 0.76 mm (0.03 inch) g008803 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 51: Checking The Spark Arrester

    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 g027661 Figure 62 This machine contains an electronic fuel-injection system.

  • Page 52: 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 53 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.

  • Page 54: Servicing The Fuses

    Installing the Battery Jump-Starting the Machine Note: Position the battery in the tray with the terminal Check and clean corrosion from the battery posts opposite from the hydraulic tank (Figure 66). terminals before jump-starting. Ensure that the connections are tight. CAUTION Corrosion or loose connections can cause unwanted electrical voltage spikes...
  • Page 55 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 g024213...

  • Page 56: 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 57: 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 rear tires at 90 kPa position.

  • Page 58: Checking The Wheel-Hub Slotted Nut

    Checking the Wheel-Hub Important: Make sure that the spring washers are installed correctly as shown in Slotted Nut Figure Install the dust cap (Figure 75). Service Interval: After the first 100 hours Every 500 hours Check and ensure that the torque of the slotted nut is 286 to 352 N∙m (211 to 260 ft-lb).
  • Page 59 Park the machine on a level surface, disengage Using needle-nose pliers, or by hand, hold the blade-control switch (PTO), and engage the the tab and remove the shim (Figure 79). parking brake. Note: Do not discard the shim until the Shut off the engine, remove the key, and wait clutch is functioning properly.

  • Page 60: Cooling System Maintenance

    Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily g010873 Figure 81 Remove any buildup of grass, dirt, or other debris from the oil cooler and the engine screen (Figure 82). 1. Feeler gauge •...

  • Page 61: 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 62: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Note: Perform this procedure at the recommended service interval or when a brake component has been removed or replaced. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the g026961 parking brake.

  • Page 63: 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 64: Replacing The Mower Belt For Rear-Discharge Mower Decks

    g027730 Figure 88 1. Position the belt cover. 3. Ensure that the tab is under the metal catch. 2. Slide the belt cover under g024145 Figure 89 the side catches. 1. Idler spring 4. Idler pulley 2. Counter-rotating belt 5. Square hole in the idler arm for the ratchet Replacing the Mower Belt 3.

  • Page 65: Replacing The Hydraulic Pump-Drive Belt

    Rotate and ensure the belt-guide tab hits against the pivot hub (Figure 92). Using the ratchet in the square hole, install the belt around the spring-loaded idler pulley (Figure 91). Seat the spring ends in the anchor grooves. Install the belt covers (Figure 92).

  • Page 66: 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 67: 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 68: 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 69: 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 70: 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 71: 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 102 repair a damaged blade may result in discontinued safety certification of the product.
  • Page 72 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 105...
  • Page 73 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 74: Leveling The Mower Deck

    g298850 Figure 111 1. Top spindle nut 3. Blade bolt g027343 Figure 112 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 75 g009196 Figure 113 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 115...
  • Page 76 g017036 Figure 118 1. Single-point adjustment bolt g027345 Figure 116 Tighten the 2 bolts at the bottom of the 1. Bolts at the bottom of the height-of-cut plate height-of-cut plate (Figure 116). Note: In most conditions, the back blade tip should be adjusted 6.4 mm (1/4 inch) higher than the front.

  • Page 77: Removing The Mower Deck

    Removing the Mower Deck Lock out the spring-loaded deck arms before servicing or removing the mower deck. WARNING Deck-lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death. Do not attempt to disassemble the deck from the front frame without locking out the stored energy.

  • Page 78: Replacing The Grass Deflector

    g010252 Figure 121 1. Right stabilizer 2. Deck strut (right side shown) 3. Remove the shoulder bolt and nut. 4. Remove the shoulder bolt and nut. Raise the deck struts and secure them in the raised position. Slide the deck out to the right side of the g024146 Figure 120 machine.

  • Page 79: 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 g015594 operating position.

  • Page 80: 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 81: 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 82 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 83 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.

  • Page 84: Schematics

    Schematics g224051 Electrical Schematic (Rev. A)
  • Page 85 Notes:...
  • Page 86 Notes:...
  • Page 87 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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