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Summary of Contents for Toro 74939
- Page 1 Z Master ® Professional 6000 Series Riding Mower with 60in and 70in TURBO FORCE ® Side Discharge Mower Model No. 74939—Serial No. 313000001 and Up Model No. 74940—Serial No. 313000001 and Up *3375-654* B Register at www.Toro.com. Original Instructions (EN)
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Page 2: Figure 1
State of product properly and safely. California to cause cancer, birth defects, You may contact Toro directly at www.Toro.com for product or other reproductive harm. and accessory information, help finding a dealer, or to register your product. -
Page 3: Table Of Contents
This manual identifies potential hazards and has safety Lubrication ...............31 messages identified by the safety alert symbol (Figure 2), Greasing and Lubrication ........31 which signals a hazard that may cause serious injury or death Where to Grease the Mower........31 if you do not follow the recommended precautions. Lubricate the Caster Wheel Hubs......32 Engine Maintenance ..........33 Servicing the Air Cleaner .........33... -
Page 4: Safety
Safety ................62 Troubleshooting ............63 Schematics ..............66 Improper use or maintenance of the machine can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means Caution, Warning, or Danger-“personal safety instruction."... -
Page 5: Slope Operation
Operation Safe Handling of Fuels • To avoid personal injury or property damage, use • Lightning can cause severe injury or death. If lightning extreme care in handling gasoline. Gasoline is extremely is seen or thunder is heard in the area, do not operate flammable and the vapors are explosive. -
Page 6: Maintenance And Storage
• • Always avoid sudden starting or stopping on a slope. Keep your hands and feet away from moving parts. If tires lose traction, disengage the blades and proceed If possible, do not make adjustments with the engine slowly off the slope. running. -
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. 68-8340 1-403005 98-5954 103-2076 54-9220 58-6520 1. Grease 105-7798 66-1340... - Page 9 109-7232 110-2067 107-2102 107-3969 1. Warning—read the Operator's Manual. 110-2068 2. Crushing hazard, mower—engage the parking brake, stop the engine, and remove the ignition key before working 1. Read the Operator's Manual. under the mower. 114-4466 1. Main, 25A 3. Charge, 25A 4.
- Page 10 116-0205 115-7445 1. Grease pulleys and spindles 2. Maintenance interval—50 hours 116-0211 116-0090 116-0752 116-0157 1. Locked 2. Unlocked...
- Page 11 116-1654 116-4858 116-1716 1. Fuel 6. Hour meter 116-5944 2. Empty 7. PTO 3. Half 8. Parking brake 4. Full 9. Neutral 5. Battery 10. Operator presence switch 116-2643 Battery Symbols Some or all of these symbols are on your battery 1.
- Page 12 Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 120–5899 1. PTO (Power Take-off) 3. Continuous variable setting 4. Fast 2. Slow 109-7069...
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Page 13: 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 6). Fuel Gauge The fuel gauge is located with the hour meter and the bars light up when the ignition switch is on (Figure 6). -
Page 14: Specifications
A selection of Toro approved attachments and accessories is available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. -
Page 15: Operation
Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can be released causing a spark which from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can Adding Fuel damage property. -
Page 16: Checking The Engine Oil Level
Filling the Fuel Tank Breaking In a New Machine Note: Do not fill the fuel tank completely full. Fill the fuel New engines take time to develop full power. Mower decks tank to the bottom of the filler neck. The empty space in the and drive systems have higher friction when they are new, tank allows the gasoline to expand. -
Page 17: Think Safety First
Think Safety First Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning. -
Page 18: Operating The Parking Brake
Releasing the Parking Brake CAUTION This machine produces sound levels in excess of 85 dBA at the operators 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, feet, and head G016995 is recommended. -
Page 19: Operating The Throttle
Operating the Throttle Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 16). The throttle control can be moved between the Fast and When the engines starts, release the key. Slow positions (Figure 15). Important: Do not engage starter for more than 5 Always use the Fast position when turning on the mower seconds at a time. -
Page 20: Starting And Stopping The Engine
Starting and Stopping the Engine Starting the Engine 1. Raise the ROPS up and lock them into place. Sit on the seat and fasten the seat belt (Step 1 in Figure 18). G008948 Figure 17 1. On 2. Off g017006 Figure 18 2. -
Page 21: The Safety Interlock System
Failure to follow these instructions can burn out the starter motor. Note: Additional starting cycles may be required when starting the engine for the first time after the fuel system has been without fuel completely. G008947 Figure 19 1. Off 3. -
Page 22: Driving Forward Or Backward
• The blade control switch (PTO) is disengaged. reverse); the engine should stop. Repeat for the other motion control. • The motion control levers are in the neutral locked position 5. Sitting on the seat, disengage the parking brake, move the blade control switch (PTO) to off, and move the The safety interlock system also is designed to stop the motion control levers to the neutral lock position. -
Page 23: Stopping The Machine
Driving Forward Note: The engine will kill if the traction control levers are moved with the parking brake engaged. To stop, pull the motion control levers to the neutral position. 1. Release the parking brake; refer to Releasing the Parking Brake (page 18). 2. -
Page 24: Adjusting The Anti-Scalp Rollers
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 relocating the clevis pin into different hole locations. 1. Move the transport lock to the lock position. 2. -
Page 25: 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 will 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 26: Positioning The Seat
• Use in wet conditions. • Lowers the engine power consumption. g019755 • Allows increased ground speed in heavy conditions. Figure 35 • This position is similar to the benefits of the Toro SFS 1. Seat latch 2. Seat mower. -
Page 27: Changing The Seat Suspension
Changing the Seat Suspension 2. Rotate the release valve levers vertically to push the machine. This allows hydraulic oil to by-pass the pump The seat is adjustable to provide a smooth and comfortable enabling the wheels to turn (Figure 37). ride. -
Page 28: Transporting The Machine
Transporting the Machine Loading Machines Use a heavy-duty trailer or truck to transport the machine. Use extreme caution when loading units on trailers or trucks. Ensure that the trailer or truck has all necessary brakes, One full width ramp that is wide enough to extend beyond lighting, and marking as required by law. -
Page 29: Operating Tips
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Mowing in Alternate Directions Alternate mowing direction to keep the grass standing straight. -
Page 30: Maintenance
• Adjust the caster pivot bearing. Every 500 hours • Check the park brake adjustment. • Change the hydraulic filters and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions). • Replace the inner air filter. -
Page 31: 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 do any maintenance. Lubrication Where to Grease the Mower Service Interval: Every 50 hours—Grease the mower deck Greasing and Lubrication spindles and idler arm. -
Page 32: Lubricate The Caster Wheel Hubs
Lubricate the Caster Wheel Hubs Service Interval: Yearly 1. Stop the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Figure 42 Figure 44 6. Remove the dust cap and adjust the caster pivots. 1. -
Page 33: Engine Maintenance
Engine Maintenance 13. Apply a thread locking adhesive to the second spacer nut and thread it onto the axle with the wrench flats facing outward. WARNING 14. Torque the nut to 8-9 N-m (75-80 in-lb), loosen, then re-torque to 2-3 N-m (20-25 in-lb). Contact with hot surfaces may cause personal injury. -
Page 34: Servicing The Engine Oil
Figure 45 1. Air cleaner body 4. Air cleaner latch 2. Inner air filter 5. Air cleaner cover G016165 3. Primary air filter Figure 46 1. Air cleaner cover 3. Breathe valve. Servicing the Primary Filter 2. Throttle mechanism • If the primary filter is dirty, bent, or damaged, replace it. - Page 35 WARNING Contact with hot surfaces may cause personal injury. Keep hands, feet, face, clothing and other body parts away from the muffler and other hot surfaces. G008804 Important: Do not overfill the crankcase with oil because damage to the engine may result. Do not run engine with oil below the low mark because the engine may be damaged.
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Page 36: Changing The Engine Oil
Changing the Engine Oil 4. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to Service Interval: Every 100 hours (more often in dirty or bring it to the Full mark (Figure 50). dusty conditions). -
Page 37: Servicing The Spark Plug
G008804 G015199 Figure 52 Servicing the Spark Plug G008748 Figure 51 Service Interval: Every 200 hours—Check, clean and regap the spark plug. Every 600 hours—Replace the spark plugs. Note: Ensure the oil filter gasket touches the engine 1. Make sure the air gap between the center and side and then an extra 3/4 turn is completed. - Page 38 Checking the Spark Plug Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means the air cleaner is dirty.
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Page 39: Checking The Spark Arrester (If Equipped)
Checking the Spark Arrester Fuel System (if equipped) Maintenance Service Interval: Every 50 hours WARNING WARNING Fuel system components are under high pressure. Hot exhaust system components may ignite The use of improper components can result in gasoline vapors even after the engine is stopped. system failure, gasoline leakage and possible Hot particles exhausted during engine operation explosion. -
Page 40: Servicing The High Pressure Fuel Filter
Electrical System Maintenance Servicing the Battery Service Interval: Monthly WARNING CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, G008963 chemicals known to the State of California Figure 57 to cause cancer and reproductive harm. 1. -
Page 41: Installing The Battery
Installing the Battery WARNING 1. Position the battery in the tray with the terminal posts Incorrect battery cable routing could damage the opposite from the hydraulic tank (Figure 58). machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in 2. -
Page 42: Servicing The Fuses
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) Figure 59 Knobs 1. -
Page 43: Adjusting The Tracking
g019756 Figure 62 Left control lever shown 1. Control lever 3. Stop plate 2. Bolt Figure 61 Checking the Tire Pressure 1. ROPS knob (locked 3. Roll bar in the upright Service Interval: Every 50 hours/Monthly (whichever position) position comes first) 2. -
Page 44: Checking The Wheel Lug Nuts
Checking the Wheel Lug Nuts 5. Torque the slotted nut to 200 ft-lb (271 N-m). 6. Then tighten nut until the next set of slots line up Check and torque the wheel lug nuts to 90-95 ft-lb (122-129 with the cross hole in shaft. Do not loosen nut to N-m). -
Page 45: Using The Clutch Shim
Using the Clutch Shim 5. Measure the gap between the rotor and armature. If the gap is greater than .04 inch (1 mm), proceed with Some later model year units have been built with clutches that the following steps: contain a brake shim. When the clutch brake has worn to the A. -
Page 46: Cooling System Maintenance
Cooling System Maintenance Cleaning the Engine Screen and Engine Oil Cooler Figure 71 Service Interval: Before each use or daily 1. Feeler gauge Remove any buildup of grass, dirt or other debris from the oil cooler (Figure 73). G008804 Figure 72 1. -
Page 47: Checking And Cleaning The Hydraulic Unit Shrouds
Figure 74 Figure 75 1. Engine guard 4. Fan housing 1. Hydraulic unit shrouds 2. Engine air intake screen 5. Screw 3. Bolt Checking and Cleaning the Hydraulic Unit Shrouds Service Interval: Before each use or daily 1. Disengage the PTO and set the parking brake. 2. -
Page 48: Brake Maintenance
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Make sure brake is adjusted properly. This procedure must be followed when a brake component has been removed or replaced. 1. Drive the machine onto a level surface. 2. -
Page 49: Belt Maintenance
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Check the belts for squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident. -
Page 50: Replacing The Hydraulic Pump Drive Belt
Figure 79 1. Position the belt cover. 3. Ensure that the tab is Figure 80 under the metal catch. 1. Idler pulley 5. Left hand hydraulic pump 2. Slide the belt cover under pulley the side catches. 2. Clutch pulley 6. -
Page 51: Controls System Maintenance
Controls System Maintenance Adjusting the Control Handle Position There are two height positions for the control levers; high and low. Remove the bolts to adjust the height for the operator. 1. Disengage the PTO, move the motion control levers to the neutral locked position, and set the parking brake. -
Page 52: Adjusting The Motion Control Damper
Adjusting the Motion Control 6. Run the unit at least 5 minutes with the drive levers at full forward speed to bring the hydraulic oil up to Damper operating temperature. The top damper mounting bolt can be adjusted to obtain a Note: The motion control lever needs to be in neutral more desired motion control lever resistance. -
Page 53: Adjusting The Motion Control Neutral Lock Pivot
Servicing the Hydraulic lock position. See Figure 85 for adjustment options. System 1. Loosen the jam nut. 2. Tighten or loosen the flanged nut to the desired feel. Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ®... - Page 54 Every 500 hours—Change the hydraulic filters and ® ™ hydraulic oil when using Toro HYPR-OIL hydraulic oil (more often in dirty or dusty conditions). To replace the hydraulic oil, the filters need to be removed. Replace both at the same time. Refer to the oil specifications under Servicing the Hydraulic System (page 53) for the correct oil.
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Page 55: Mower Deck Maintenance
Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure that the mower deck is leveled 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 neutral locked position, and set the parking brake. - Page 56 10. For mower decks shown in Figure 91, fine-tune the adjustment nut on the front deck lift assembly by turning it (Figure 91). To increase the height, turn the adjustment nut clockwise; to decrease, turn it counterclockwise. G017027 Figure 89 1.
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Page 57: Servicing The Cutting Blades
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. -
Page 58: Inspecting The Blades
2. Stop the engine, remove the key, and wait for all moving genuine Toro replacement blades. Replacement blades made parts to stop before leaving the operating position. by other manufacturers may result in non-conformance with 3. -
Page 59: Removing The Mower Deck
Removing the Mower Deck Before servicing or removing the mower deck, the spring loaded deck arms must be locked out. 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 60: Replacing The Grass Deflector
Figure 100 1. Right stabilizer Figure 99 2. Deck strut (right side shown) 1. Clutch pulley 5. Square hole in the idler 3. Remove the rear deck lift attachment shoulder bolt and nut. arm for the ratchet 4. Remove the front deck lift attachment shoulder bolt and nut. 2. -
Page 61: Cleaning
Cleaning Cleaning Under the Mower Service Interval: Before each use or daily 1. Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position, and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. -
Page 62: Storage
Storage D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local 1. Disengage the power take off (blade control switch codes. (PTO), set the parking brake, and turn the ignition key Important: Do not store to Off. -
Page 63: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The malfunction Indicator Light (MIL) 1. The engine is too hot. 1. Turn the engine off and let it cool. comes on. 2. There is old gas in the gas tank. 2. Use new gas. 3. - Page 64 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 65 Problem Possible Cause Corrective Action The clutch will not engage. 1. A fuse is blown. 1. Replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections and replace if necessary. 2. There is low voltage supply at the 2.
- Page 66 Schematics G0131 19 Wire Diagram (Rev. A)
- Page 67 Notes:...
- 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.