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Related Manuals for Toro 74978
Summary of Contents for Toro 74978
- Page 1 Z Master ® Professional 6000 Series Riding Mower with 60in or 72in TURBO FORCE ® Side Discharge Mower Model No. 74978—Serial No. 313000001 and Up Model No. 74979—Serial No. 313000001 and Up G021416 *3377-739* A Register at www.Toro.com. Original Instructions (EN)
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Page 2: Introduction
If you require a spark arrestor, contact your Authorized Toro Dealer. g017416 Genuine Toro spark arresters are approved by the USDA Figure 1 Forestry Service. 1. Model and serial number location... -
Page 3: Table Of Contents
Contents Checking the Rollover Protection System (ROPS) Knobs...............43 Adjusting the Tracking ..........43 Introduction ..............2 Checking the Tire Pressure ........44 Safety ................4 Checking the Wheel Lug Nuts ........44 Safe Operating Practices........... 4 Checking the Wheel Hub Slotted Nut ......44 Slope Indicator ............ -
Page 4: Safety
Safety – Never remove the tank with engine running. Allow engine to cool before refueling. Do not smoke. Improper use or maintenance by the operator or owner can • Check that operator's presence controls, safety switches result in injury. To reduce the potential for injury, comply with and shields are attached and functioning properly. -
Page 5: Slope Operation
These can change the stability of the machine and cause tightened. Replace all worn or damaged decals. loss of control. • Use only Toro approved attachments. Warranty may be voided if used with unapproved attachments. Using the Rollover Protection System (ROPS) •... -
Page 6: 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 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 lost. 68-8340 1-403005 98-5954 103-2076 54-9220 58-6520 1. Grease 105-7798 66-1340... - Page 8 109-9875 107-2102 110-2067 109-7232 1. Fast 3. Neutral 2. Slow 4. Reverse 110-2068 1. Read the Operator's Manual.
- Page 9 114-4466 1. Main, 25A 3. Charge, 25A 2. PTO, 10A 4. Auxiliary, 15A 116-0211 115-7445 1. Grease pulleys and spindles 2. Maintenance interval—50 hours 116-0752 1. Locked 2. Unlocked 116-0157 116-1714 116-2643 116-0205...
- Page 10 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 116-3303 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
- Page 11 109-9906 109-7069...
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Page 12: Product Overview
Product Overview g0131 12 Figure 5 1. PTO Switch 4. Hour meter/Safety interlock display 2. Throttle control 5. Ignition switch 3. Malfunction indicator light 6. Fuses (MIL) Hour Meter The hour meter records the number of hours the engine has G021417 operated. -
Page 13: Throttle Control
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 g013439 attachments and accessories. -
Page 14: Specifications
Length: personnel. 60 inch Deck 72 inch Deck • Only use tanks recommended by Toro. Failure to do so Roll Bar - Up 83.1 inches (211.1 86.1 inches (218.7 will result in improper operation of the fuel system. Roll Bar - Down 84.8 inches (215.4... -
Page 15: Operation
Operation DANGER LPG fuel is extremely flammable and vapors are Note: Determine the left and right sides of the machine explosive. from the normal operating position. A fire or explosion from LPG fuel can burn you, others, and cause property damage. Adding Fuel •... - Page 16 1. Stop the machine on level ground, disengage the blade • ONLY use the Toro approved LPG tank, control switch (PTO), move the motion control levers fittings, and hoses that were designed for to the neutral locked position and set the parking brake.
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Page 17: Checking The Engine Oil Level
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 rear part of the seat is secured with the seat latch. -
Page 18: Think Safety First
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. There is no rollover protection when the roll bar is down. -
Page 19: Operating The Parking Brake
Operating the Mower Blade The use of protective equipment for eyes, ears, feet and head is recommended. Control Switch (PTO) The blade control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade Control Switch G009027 (PTO) Figure 11... -
Page 20: Operating The Ignition Switch
Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 17). When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. -
Page 21: The Safety Interlock System
Stopping the Engine The Safety Interlock System CAUTION CAUTION Children or bystanders may be injured if they If safety interlock switches are disconnected or move or attempt to operate the tractor while it is damaged the machine could operate unexpectedly unattended. -
Page 22: Driving Forward Or Backward
Using the Motion Control Levers motion control lever (out of neutral locked position). Try starting the engine; the engine should not crank. Repeat for other control lever. 3. Sitting on the seat, engage the parking brake, move the blade control switch (PTO) to off and move the motion control levers to neutral lock position. -
Page 23: Stopping The Machine
take off (blade control switch (PTO), and turn the ignition key to off. Set the parking brake when you leave the machine; refer to Setting the Parking Brake in Operation. Remember to remove the key from the ignition switch. CAUTION Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. -
Page 24: Adjusting The Anti-Scalp Rollers
Adjusting the Height-of-Cut Pin The height-of-cut is adjusted from 1 to 5-1/2 inches (25 to 140 mm) in 1/4 inch (6 mm) 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. The mower discharge flow can be adjusted for different types of mowing conditions. -
Page 26: Positioning The Seat
• Use in wet conditions. Figure 34 • Lowers the engine power consumption. 1. Seat latch 2. Seat • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS 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 36). ride. -
Page 28: Transporting Machines
Transporting Machines Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets or bystanders avoid injury. -
Page 29: Loading Machines
Loading Machines Use extreme caution when loading units on trailers or trucks. One full width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps for each side of the unit (Figure 38). The lower rear section of the tractor frame extends back between the rear wheels and serves as a stop for tipping backward. -
Page 30: Operating Tips
File down any nicks and sharpen the it is late fall when grass grows more slowly. blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Mowing Direction Alternate mowing direction to keep the grass standing straight. -
Page 31: 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 air filter. -
Page 32: 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 33: 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 41 Figure 43 6. Remove the dust cap and adjust the caster pivots. 1. -
Page 34: Engine Maintenance
Engine Maintenance 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). Make sure that the axle does not extend beyond either nut. WARNING Install the seal guards over the wheel hub and insert the wheel into the caster fork. -
Page 35: Servicing The Engine Oil
8. Gently slide the primary filter out of the air cleaner 3. Carefully slide the primary filter over the safety filter body (Figure 45). (Figure 45). Note: Avoid knocking the filter into the side of the Note: Ensure that the primary filter is fully seated by body. -
Page 36: Changing The Engine Oil
Changing the Engine Oil 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. Service Interval: After the first 8 hours 2. Stop the engine, remove the key, and wait for all Every 100 hours (more often in dirty or dusty moving parts to stop before leaving the operating conditions) -
Page 37: Changing The Engine Oil Filter
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 49). Note: Change the engine oil filter more frequently when operating conditions are extremely dusty or sandy. -
Page 38: Servicing The Spark Plug
Servicing the Spark Plug Service Interval: Every 100 hours Make sure 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 39: Check Spark Arrester (If Equipped)
Check Spark Arrester (if Fuel System equipped) Maintenance Service Interval: Every 50 hours Inspecting the LPG System WARNING Service Interval: Before each use or daily—Check the LPG Hot exhaust system components may ignite tank and components. gasoline vapors even after the engine is stopped. Every 40 hours—Check the LPG hoses, regulator and Hot particles exhausted during engine operation connections. -
Page 40: Servicing The Electronic Fuel Injection System
Electrical System ◊ Using a small brush or spray bottle, apply the solution around all the fittings of the LPG tank Maintenance and the fuel connection joint. ◊ Slowly open the gas valve a half-turn. ◊ If bubbles are detected, the joint or fitting has Servicing the Battery a leak. -
Page 41: Installing The Battery
WARNING Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. G021395 • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. •... -
Page 42: Servicing The Fuses
Servicing the Fuses Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to The electrical system is protected by fuses. It requires prevent battery damage when the temperature is below no maintenance, however, if a fuse blows check the 32°F (0°C). -
Page 43: 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 Check that both the mounting hardware and the knobs are in good working condition. -
Page 44: Checking The Tire Pressure
Checking the Wheel Lug Nuts Check and torque the wheel lug nuts to 90-95 ft-lb (122-129 N-m). Checking the Wheel Hub Slotted Nut Service Interval: After the first 100 hours Every 500 hours See Figure 61 to determine which slotted nut has been installed on the unit. -
Page 45: Adjusting The Caster Pivot Bearing
6. Then tighten nut until the next set of slots line up with the cross hole in shaft. Do not loosen nut to align the slot. If required, tighten to the next set of slots. 7. Install a new cotter pin. Note: Do Not use anti-seize on wheel hub. - Page 46 match after the shim is removed to ensure proper brake torque. Figure 68 1. Feeler gauge Figure 66 1. Brake mounting bolt B. Using needle nose pliers, or by hand, take hold of the tab and remove the shim (Do Not discard the shim until proper clutch function has been confirmed).
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Page 47: Cooling System Maintenance
Check and Clean the Hydraulic Cooling System Unit Shrouds Maintenance Service Interval: Before each use or daily Cleaning the Engine Screen 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving and Engine Oil Cooler parts to stop before leaving the operating position. -
Page 48: Brake Maintenance
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check to make sure brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced. 1. -
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 75 1. Position the belt cover 3. Ensure the tab is under Figure 76 the metal catch 1. Idler pulley 5. Left hand hydraulic pump 2. Slide belt cover under the pulley side catches 2. Clutch pulley 6. Square hole in idler arm 3. -
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
6. Run the unit at least 5 minutes with the drive levers at full forward speed to bring hydraulic oil up to operating temperature. Note: The motion control lever needs to be in neutral while making any necessary adjustments. 7. Bring the motion control levers into the neutral position. -
Page 53: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Important: Use oil specified. Other fluids could cause system damage. Each Hydraulic System Oil Capacity: 52 ounces (1.5 l) per... - 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 for the correct oil.
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Page 55: Mower Deck Maintenance
Mower Deck Maintenance Leveling the Mower Deck 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. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. - Page 56 Note: In most conditions, the back blade tip should 13. To adjust the single point system, loosen the two bolts at the bottom of the height of cut plate. Refer to be adjusted 1/4 inch (6.4 mm) higher than the front. Figure 88.
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Page 57: Servicing The Cutting Blades
If a blade is damaged or worn, replace the cutting edge, position A, of the blades (Figure 91). it immediately with a genuine Toro replacement blade. For Note this dimension. convenient sharpening and replacement, you may want to keep extra blades on hand. - Page 58 If the genuine Toro replacement blades. Replacement blades made blade is not balanced, file some metal off the end of by other manufacturers may result in non-conformance with the sail area only (Figure 95).
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Page 59: Removing The Mower Deck
Installing the Blades Removing the Mower Deck 1. Install the blade onto the spindle shaft (Figure 95). Before servicing or removing the mower deck, the spring loaded deck arms must be locked out. Important: The curved part of the blade must be pointing upward toward the inside of the mower to WARNING ensure proper cutting. - Page 60 Figure 97 1. Right stabilizer Figure 96 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.
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Page 61: Replacing The Grass Deflector
Replacing the Grass Deflector Cleaning WARNING Cleaning the Mower Deck An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or Service Interval: Before each use or daily bystander's direction and result in serious injury. 1. -
Page 62: Storage
Storage out of reach of children or other unauthorized users. Cover the machine to protect it and keep it clean. Cleaning and Storage Storage areas should be equipped with at least one approved portable fire extinguisher having a minimum capacity of 18 lb (8.2 kg) dry chemical with a B:C rating. -
Page 63: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Malfunction Indicator Light (MIL) comes 1. The engine is too hot. 1. Turn engine off and let it cool. 2. Fualty valve in fuel tank. 2. Contact an Authorized Service Dealer. 3. The air cleaner is dirty. 3. - Page 64 Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3.
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Page 65: Schematics
Schematics LPG Electrical Dia gram G021490 Wire Diagram (Rev. A) - Page 66 Notes:...
- 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.