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Table of Contents
Related Manuals for Toro 74923 Z Master 6000
Summary of Contents for Toro 74923 Z Master 6000
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Page 1: Side Discharge
Form No. 3400-930 Rev A Z Master ® Professional 6000 Series Riding Mower with 52in TURBO FORCE ® Side Discharge Mower Model No. 74923—Serial No. 316000001 and Up Model No. 78924—Serial No. 316000001 and Up g027403 *3400-930* A Register at www.Toro.com. Original Instructions (EN) - Page 2 You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional...
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Page 3: Table Of Contents
Checking the Seat Belt..........44 Safety ................4 Checking the Rollover Protection System (ROPS) Safe Operating Practices........... 4 Knobs...............44 Toro Mower Safety ..........6 Adjusting the Tracking ..........44 Slope Indicator ............7 Checking the Tire Pressure ........45 Safety and Instructional Decals ......... 8 Checking the Wheel-Lug Nuts........45... -
Page 4: Safety
Operator’s Manual. Modifications to this machine should only be made by either the manufacturer or an Authorized Operation Toro Dealer. • Lightning can cause severe injury or death. If lightning This product is capable of amputating hands and feet. Follow is seen, or thunder is heard in the area, do not operate all safety instructions to avoid serious injury or death. -
Page 5: Maintenance And Storage
Maintenance and Storage • Slow down and use caution when making turns and crossing roads and sidewalks. Stop the blades if you are • Disengage drives, set the parking brake, shut off the not mowing. engine, and remove the key or disconnect spark-plug wire. •... -
Page 6: Toro Mower Safety
• Do not store the machine or a fuel container inside where The following list contains safety information specific to Toro there is an open flame, such as near a water heater or products and other safety information that you must know. -
Page 7: 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 8: 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 lost. 58-6520 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 9 110-2068 1. Read the Operator's Manual. 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 114-4466 2. To avoid injury or death from a rollover accident, keep the roll bar in the fully raised and locked position and wear 1.
- Page 10 Manufacturer's Mark 116-8726 1. Indicates the blade is identified as a part from the original 1. Read the Operator’s Manual for recommended hydraulic machine manufacturer. fluid. 116-1716 1. Fuel 6. Hour meter 2. Empty 7. PTO 3. Half 8. Parking brake 4.
- Page 11 117-3864 1. Read the Operator’s 2. Fill to bottom of filler neck; Manual. warning—do not overfill the tank. 126-4398 1. Read the Operator’s 3. Unlock manual 2. Lock 120-5898 1. Choke 4. Slow 2. Fast 5. Power takeoff (PTO), Blade-control switch 3.
- Page 12 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 8.
- Page 13 132-0871 1. Warning—read the Operator’s Manual; do not operate the 4. Ramp hazard—when loading onto a trailer, do not use dual machine unless you are trained; wear hearing protection. ramps; only use a singular ramp wide enough for the machine and that has an incline less than 15 degrees;...
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Page 14: 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 15: Specifications
Motion-Control Levers its capabilities. Contact your Authorized Service Dealer or The motion-control levers are used to drive the machine Distributor or go to www.Toro.com for a list of all approved forward, reverse, and turn either direction. attachments and accessories. Specifications Note: Specifications and design are subject to change without notice. -
Page 16: Operation
Operation DANGER In certain conditions during fueling, static Adding Fuel electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion • For best results, use only clean, fresh (less than 30 days from gasoline can burn you and others and can old), unleaded gasoline with an octane rating of 87 or damage property. -
Page 17: Checking The Engine-Oil Level
Breaking in a New Machine of varnish deposits in the fuel system, use fuel stabilizer at all times. New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing Filling the Fuel Tank additional load on the engine. -
Page 18: Think Safety First
DANGER Operating the machine on wet grass or steep slopes can cause sliding and loss of control. • Do not operate on slopes greater than 15 degrees. • Reduce speed and use extreme caution on slopes. • Do not operate the machine near water. DANGER Wheels dropping over edges can cause rollovers, which may result in serious injury, death, or... -
Page 19: Operating The Parking Brake
Releasing the Parking Brake CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Wear hearing protection when operating this machine. The use of protective equipment for eyes, ears, hands, and feet is recommended. -
Page 20: Operating The Throttle
Operating the Throttle Operating the Ignition Switch 1. Turn the ignition key to the S position (Figure 17). TART You can move the throttle control between the F positions (Figure 15). Note: When the engines starts, release the key. Always use the F position when turning on the mower Important: Do not engage starter for more than 5 deck with the blade-control switch (PTO). -
Page 21: Starting The Engine
Starting the Engine 1. Raise the ROPS up and lock into place, sit on the seat, and fasten the seat belt. 2. Move the motion controls to the N EUTRAL LOCK position. 3. Set the parking brake; refer to Setting the Parking Brake (page 19). -
Page 22: Using The Safety-Interlock System
• The blade-control switch (PTO) is disengaged. • The motion-control levers are in the N EUTRAL LOCK position. The safety-interlock system also is designed to shut off the engine when the traction controls are moved from the locked position with the parking brake engaged or if you rise from the seat when the PTO is engaged. -
Page 23: Using The Motion-Control Levers
position. Now start the engine. While the engine CAUTION is running, center either motion control and move Machine can spin very rapidly. Operator may lose (forward or reverse); the engine should shut off. Repeat control of machine and cause personal injury or for other motion control. -
Page 24: Stopping The Machine
Driving Backward 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 25). G008953 Figure 25 Stopping the Machine To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, disengage the blade-control switch (PTO), and turn the ignition key to the O position. -
Page 25: Adjusting The Anti-Scalp Rollers
2. Push on the deck-lift pedal with your foot, and raise the mower deck to the transport position (also the 140 mm (5-1/2 inches) cutting height position) as shown Figure 3. To adjust, rotate the pin 90 degrees and remove the pin from the height-of-cut bracket (Figure 27). -
Page 26: Adjusting The Flow Baffle Cam Locks
Adjusting the Flow Baffle Cam Locks This procedure is applicable only to machines with the flow-baffle locks. Certain models have nuts and bolts in place of the flow-baffle locks and can be adjusted the same. You can adjust the mower-discharge flow for different types of mowing conditions. -
Page 27: Positioning The Seat
Changing the Seat Suspension The seat adjusts to provide a smooth and comfortable ride. Position the seat where you are most comfortable. To adjust, turn the knob in front either direction to provide the best comfort (Figure 37). Figure 34 g019768 Figure 37 Positioning the Seat... -
Page 28: Using The Side Discharge
Using the Side Discharge 2. Rotate the release-valve levers vertically to push the machine (Figure 38). The mower has a hinged grass deflector that disperses Note: This allows hydraulic fluid to bypass the pump clippings to the side and down toward the turf. enabling the wheels to turn. -
Page 29: Loading The Machine
WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine. - Page 30 g027996 Figure 41 1. Full-width ramp in stowed 4. Ramp is at least 4 times position as long as the height of the trailer or truck bed to the ground 2. Side view of full-width 5. H= height of the trailer or ramp in loading position truck bed to the ground 3.
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Page 31: Operating Tips
This also helps disperse clippings which enhances blades as necessary. If a blade is damaged or worn, replace it decomposition and fertilization. immediately with a genuine Toro replacement blade. Mowing at Correct Intervals Normally, mow every four days. But remember, grass grows at different rates at different times. -
Page 32: Maintenance
Every 500 hours • Adjust the caster-pivot bearing. • Check the parking brake adjustment. • Change the hydraulic filters and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions). • Check the battery charge. -
Page 33: Lubrication
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you perform any maintenance. Lubrication Greasing the Mower Grease more frequently when operating conditions are Service Interval: Every 50 hours—Grease the mower-deck extremely dusty or sandy. -
Page 34: Lubricating The Caster-Wheel Hubs
Lubricating the Caster-Wheel Hubs Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. Figure 44 Figure 46 6. Remove the dust cap and adjust the caster pivots. 1. -
Page 35: Engine Maintenance
Engine Maintenance 14. Apply a thread-locking adhesive to the second spacer nut, and thread it onto the axle with the wrench flats facing outward. WARNING 15. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb), loosen, then torque to 2 to 3 N∙m (20 to 25 in-lb). Contact with hot surfaces may cause personal injury. -
Page 36: Servicing The Engine Oil
Servicing the Engine Oil Oil Type: Detergent oil (API service SG, SH, SJ, or higher) Oil Capacity for 74923, 74925, and 74927 engines: with a filter change, 2.3 L (77 oz); with no filter change, 2.1 L (70 oz) Oil Capacity for 74922, 78922, and 78924 engines: with a filter change, 2.1 L (71 oz);... -
Page 37: Changing The Engine Oil
Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. G008804 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so it drains better. - Page 38 Changing the Engine-Oil Filter 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to Service Interval: Every 200 hours bring it to the Full mark (Figure 51). Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy.
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Page 39: Servicing The Spark Plug
Servicing the Spark Plug Service Interval: Every 100 hours Make sure 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(s) and a gapping tool/feeler gauge to check and adjust the air gap. -
Page 40: Checking The Spark Arrester
Checking the Spark Plug Installing the Spark Plug Important: Do not clean the spark plug(s). Always Tighten the spark plug(s) to 24.4 to 29.8 N∙m (18 to 22 ft-lb). 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. -
Page 41: Fuel System Maintenance
Servicing the Fuel Tank Fuel System Maintenance Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). -
Page 42: Electrical System Maintenance
Electrical System 1. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL LOCK Maintenance and set the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating Servicing the Battery position. -
Page 43: Servicing The Fuses
Installing the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 58). Figure 60 1. Positive battery post 3. Red (+) charger lead 2. Negative battery post 4. Black (-) charger lead Servicing the Fuses Figure 59 The electrical system is protected by fuses. -
Page 44: Drive System Maintenance
Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged. Checking the Rollover Protection System (ROPS) Knobs Service Interval: Before each use or daily WARNING To avoid injury or death from rollover: keep the roll... -
Page 45: Checking The Tire Pressure
Checking the Wheel-Lug Nuts Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). Checking the Wheel-Hub Slotted Nut 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 46: Using The Clutch Shim
Removing the Clutch Shim 4. Tighten the locknut until the spring washers are flat, and then back off a 1/4 turn to properly set the preload 1. Shut off the engine, wait for all moving parts to stop, on the bearings (Figure 66). - Page 47 Note: Do not discard the shim until proper • If the gap is less than 0.25 mm (0.01 clutch function has been confirmed. inch), then install the shim and refer to Troubleshooting (page 65). • If the gap is sufficient, proceed to the safety check in step F.
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Page 48: Cooling System Maintenance
Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily Remove any buildup of grass, dirt, or other debris from the oil cooler (Figure 73). G008804 Figure 74 1. Engine guard 4. Fan housing 2. -
Page 49: Checking And Cleaning The Hydraulic-Unit Shrouds
Checking and Cleaning the Brake Maintenance Hydraulic-Unit Shrouds Adjusting the Parking Brake Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO) and set the Service Interval: After the first 100 hours parking brake. Every 500 hours thereafter 2. -
Page 50: 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 51 Figure 79 1. Position the belt cover 3. Ensure that the tab is under the metal catch 2. Slide the belt cover under the side catches Figure 78 1. Clutch pulley 5. Square hole in the idler arm for the ratchet 2.
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Page 52: Replacing The Hydraulic Pump-Drive Belt
Replacing the Hydraulic Controls System Pump-Drive Belt Maintenance 1. Disengage the blade-control switch (PTO) and set the parking brake. Adjusting the Control-Handle 2. Shut off the engine, remove the key, and wait for all Position moving parts to stop before leaving the operating position. -
Page 53: Adjusting The Motion-Control Linkage
5. Temporarily install a jumper wire across the terminals in the connector of the main wiring harness. 6. Start the engine and run it at full throttle and release the brake. Note: The brake must be engaged and the motion-control levers must be out to start the engine. -
Page 54: Adjusting The Motion-Control Damper
Adjusting the Motion Control 13. Raise the deck and install the height-of-cut pin. Neutral-Lock Pivot 14. Check that the machine does not creep in neutral with the park brakes disengaged. The flanged nut can be adjusted to obtain a more desired motion-control lever resistance when moving it to the Adjusting the Motion-Control position. -
Page 55: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Fluid Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Important: Use the specified fluid . Other fluids could damage the hydraulic system. Each Hydraulic System Oil Capacity: 1.5 L (52 oz) per... - Page 56 Every 500 hours—Change the hydraulic filters and ® ™ hydraulic fluid when using Toro HYPR-OIL hydraulic oil (more often in dirty or dusty conditions). To replace the hydraulic fluid, the filters need to be removed. Replace both at the same time; refer to...
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Page 57: 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). 1. Position the mower on a flat surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL... - Page 58 10. Fine-tune the adjustment nut on the front deck lift assembly by turning it (Figure 91). Note: To increase the height, turn the adjustment nut clockwise; to decrease, turn counterclockwise. Note: If the front deck links do not have enough adjustment to achieve accurate cut height, the single-point adjustment can be utilized to gain more adjustment.
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Page 59: Servicing The Cutting Blades
Servicing the Cutting Blades 15. On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as To ensure a superior quality of cut, keep the blades sharp. shown in Figure For convenient sharpening and replacement, you may want Note: The measurement should read 8.3 cm (3-1/4 to keep extra blades on hand. -
Page 60: Removing The Blades
To ensure and set the parking brake. optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. 2. Shut off the engine, remove the key, and wait for all Replacement blades made by other manufacturers may result moving parts to stop before leaving the operating in nonconformance with safety standards. -
Page 61: Removing The Mower Deck
Removing the Mower Deck Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Before servicing or removing the mower deck, lock out the spring-loaded deck arms. WARNING Deck-lift-arm assemblies have stored energy. Figure 98 Removing the deck without releasing the stored 1. - Page 62 Figure 101 1. Right stabilizer Figure 100 2. Deck strut (right side shown) 1. Clutch pulley 5. Square hole in the idler 3. Remove the shoulder bolt and nut. arm for the ratchet 4. Remove the shoulder bolt and nut. 2.
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Page 63: Replacing The Grass Deflector
Replacing the Grass Deflector Cleaning WARNING Cleaning under the Mower An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, Service Interval: Before each use or daily resulting in serious injury. Also, contact with the 1. -
Page 64: Storage
Storage C. Shut off the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank (page 41). Cleaning and Storing the D. Start the engine and run it until it stops. Machine E. Dispose of fuel properly. Recycle as per local codes. -
Page 65: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade-control switch (PTO) is 1. Move the blade-control switch (PTO) engaged. to the disengaged position. 2. The parking brake is not on. 2. Set the parking brake. 3. - Page 66 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.
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Page 67: Schematics
Schematics Wire Diagram (Rev. A) - Page 68 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.