Related Manuals for Toro Air Cool Z Master 74090
Summary of Contents for Toro Air Cool Z Master 74090
- Page 1 Form No. 3435-701 Rev B 96in Air Cool Z Master ® Professional Riding Mower Model No. 74090—Serial No. 400000000 and Up *3435-701* B Register at www.Toro.com. Original Instructions (EN)
- Page 2 Please refer to the engine manufacturer’s information included with the machine. Please refer to the engine manufacturer’s information included with the machine. © 2020—The Toro® Company Contact us at www.Toro.com. 8111 Lyndale Avenue South Printed in the USA Bloomington, MN 55420...
- Page 3 Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product.
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Page 4: Table Of Contents
Contents Checking the Fuel Lines and Connections..........46 Electrical System Maintenance ......46 Safety ............... 5 Electrical System Safety ........46 Safety Alert Symbol ..........5 Servicing the Battery......... 46 General Safety ........... 5 Servicing the Fuses .......... 49 Slope Indicator ........... 6 Drive System Maintenance ........ -
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 decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards and shields in place. decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down. decal116-8726 2. To avoid injury or death from a rollover accident, keep the 116-8726 roll bar in the raised and locked position and wear the seat belt.
- Page 9 decal133-8062 133-8062 decal135-1097 135-1097 decal117-0346 1. Belt routing 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. decal142-2935 142-2935 1. Read the instructions before servicing or performing 5.
- Page 10 decal126-8597 126-8597 1. Height of cut 2. Range adjustment decal135-1432 135-1432 decal126-8760 126-8760 For Models with 244 cm (96-inch) Decks 1. Height of cut 2. Range adjustment decal135-0664 135-0664 1. Thrown object 2. Cutting/dismemberment hazard—keep bystanders hazard of hands and away.
- Page 11 decal135-7898 135-7898 1. Wheel lug nut—torque to 129 N∙m (95 ft-lb). 2. Wheel hub nut—torque to 441 N∙m (325 ft-lb). 3. Read the Operator’s Manual before performing maintenance; check the torque after the first 100 hours and every 500 hours after. decal135-0670 135-0670 For Models with 244 cm (96-inch) Decks...
- Page 12 decal132-0871 132-0871 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
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Page 13: Product Overview
Product Overview g297222 Figure 4 1. Display monitor 4. Fuel-tank cap 7. Wing deck caster wheel 10. Anti-scalp roller 2. Motion-control lever 5. Parking-brake lever 8. Caster wheel 11. Center deck height-of-cut 3. Roll bar 6. Wing deck height-of-cut pin 9. -
Page 14: Controls
Controls Horizon Display Monitor Refer to the Software Guide for detailed information Become familiar with all the controls before you start explaining the operator interface that allows you to the engine and operate the machine. access information, reset counters, modify system settings, and troubleshoot the equipment. - Page 15 Throttle Control To ensure optimum performance and continued safety The throttle controls the engine speed, and there are certification of the machine, use only genuine Toro 3 speeds: Maximum, Efficient, and Low. replacement parts and accessories. Replacement parts and accessories made by other manufacturers Refer to the Software Guide for more information.
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Page 16: Specifications
Tread width (center-to-center safely perform the job. Only use accessories and of tires, widthwise) Caster wheels—119.6 cm attachments approved by Toro. (47-1/16 inches) • Inspect the area where the equipment is to be Wheel base (center of the... - Page 17 Fuel Safety DANGER In certain conditions during fueling, static Use extreme care when handling fuel. electricity can be released causing a spark which can ignite gasoline vapors. A fire or DANGER explosion from gasoline can burn you and In certain conditions gasoline is extremely others and cause property damage.
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Page 18: Adding Fuel
Filling the Fuel Tank • Keep engine and engine area free from accumulation of grass, leaves, excessive grease Park the machine on a level surface. or oil, and other debris which can accumulate in these areas. Engage the parking brake. •... -
Page 19: Breaking In A New Machine
Breaking in a New Machine into position when the holes align with the pins (Figure New engines take time to develop full power. Mower Important: Always use the seat belt with the decks and drive systems have higher friction when roll bar in the raised position. -
Page 20: 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 21: Positioning The Seat
Positioning the Seat Changing the Seat Suspension The seat moves forward and backward. Position the seat where you have the best control of the machine The seat is adjustable to provide a smooth and and are most comfortable. comfortable ride. Position the seat where you are To adjust, move the lever sideways to unlock the seat most comfortable. -
Page 22: 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 23 – 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.
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Page 24: Operating The Parking Brake
In the event of a rollover, take the unit to an Authorized Service Dealer to have the ROPS inspected. g027335 Figure 16 • Replace a damaged ROPS. Do Not repair or revise. • Any accessories, alterations, or attachments added to the ROPS must be approved by Toro. -
Page 25: Lowering The Wing Decks
Lowering the Wing Decks Operating the Mower Blade-Control Switch (PTO) Important: You must unfold the wing decks before you can engage the PTO. The blade-control switch (PTO) starts and stops the Remove the clevis pin and hairpin cotter that mower blades and any powered attachments. secures each wing in the upright position and place them in the storage position (Figure... -
Page 26: 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 27: Raising And Locking The Wing Decks
Raising and Locking the Using the Motion-Control Wing Decks Levers Ensure that all persons are clear of the deck wings. Press and hold the bottom of the deck-lift switch; the center deck lowers first, then the outer wings. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. -
Page 28: Driving The Machine
Driving the Machine The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require some time for you to adapt to how it moves. -
Page 29: Adjusting The Height Of Cut
Adjusting the Height of Cut Move the wing deck to the appropriate height and install the height-of-cut pins and The cutting height of the mower deck can be adjusted lynch pins (Figure 26). from 2.54 cm to 14 cm (1 to 5-1/2 inches) in 6.4 mm Lock the cam lock. -
Page 30: Adjusting The Anti-Scalp Rollers
Adjusting the Anti-Scalp Rollers For maximum deck flotation, install the rollers 1 hole position lower. Rollers should maintain a 6 mm (1/4 inch) clearance to the ground. Do not adjust the rollers to support the deck. Park the machine on a level surface. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL... -
Page 31: Operating Tips
It is best to cut only about a third of the grass blade. genuine Toro replacement blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly. -
Page 32: After Operation
After Operation Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. After Operation Safety Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. General Safety Rotate the release-valve levers vertically to push •... -
Page 33: Transporting The Machine
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. - Page 34 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 32).
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Page 35: 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 36: 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 37: Lubrication
• Adjust the caster-pivot bearing. Every 500 hours • Adjust the parking brake. • Change the hydraulic filter and fluid is using Toro HYPR-OIL™ 500 fluid (Every 250 hours if using Mobil 1 15W50). • Inspect the engine-valve clearance. Every 800 hours •... -
Page 38: Greasing The Mower Deck
Greasing the Mower Deck Note: Keep the dust cap off until greasing is done. Service Interval: Yearly—Grease the pump belt idler Remove the hex plug. arm. Thread a grease fitting into the hole. Park the machine on a level surface, disengage Pump grease into the fitting until it oozes out the blade-control switch, and engage the parking around the top bearing. -
Page 39: Engine Maintenance
Engine Maintenance Remove the caster wheel from the caster forks. Remove the seal guards from the wheel hub. Remove a spacer nut from the axle assembly in Engine Safety the caster wheel. • Shut off the engine before checking the oil or Note: Thread-locking adhesive has been adding oil to the crankcase. - Page 40 Inspect the primary filter for damage by looking into the filter, while shining a bright light on the outside of the filter. Note: Holes in the filter will appear as bright spots. If the filter is damaged, discard it. Servicing the Foam Element Wash the foam element in liquid soap and warm water.
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Page 41: Servicing The Engine Oil
Installing the Filters Checking the Engine-Oil Level Important: To prevent engine damage, always Note: Check the oil when the engine is cold. operate the engine with both air filters and the Important: If you overfill or underfill the engine cover installed. crankcase with oil and run the engine, you may If you are installing new filters, check each filter damage the engine. - Page 42 Changing the Engine Oil Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the Note: Dispose of the used oil at a recycling center. additional oil to bring it to the Full mark (Figure 45).
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Page 43: Servicing The Spark Plug
Changing the Engine-Oil Filter Servicing the Spark Plug Service Interval: Every 200 hours—Change the Service Interval: Every 200 hours—Check the spark engine-oil filter (more often in dirty plug(s). or dusty conditions). Every 500 hours—Replace the spark plug(s). Drain the oil from the engine; refer to Changing Type: Champion XC12YC the Engine Oil (page... -
Page 44: Checking The Spark Arrester
Installing the Spark Plug clean the screen with a wire brush (soak the screen in solvent if necessary). Install the arrester on the exhaust outlet. g028109 Figure 49 Checking the Spark Arrester For Machines with a Spark Arrester Service Interval: Every 50 hours WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine. -
Page 45: Fuel System Maintenance
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. Replacing the Fuel Filter Service Interval: Every 200 hours (more often in dusty, dirty conditions). -
Page 46: Servicing The Fuel Tank
Servicing the Fuel Tank Electrical 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. Electrical System Safety Inspecting the Engine-Valve • Disconnect the battery before repairing the machine. - Page 47 Charging the Battery Voltage Percent Maximum Charging Reading Charge Charger Interval Settings WARNING 12.6 V or 100% 16 V/7 A No charging Charging the battery produces gasses that greater required can explode. 12.4 V to 12.6 75% to 100% 16 V/7 A 30 minutes Never smoke near the battery and keep sparks 12.2 V to 12.4...
- Page 48 Jump-Starting the Machine voltage. These instructions are for negative ground systems only. Check the weak battery for terminal corrosion Connect the positive (+) cable to the positive (+) (white, green, or blue “snow”). terminal of the discharged battery that is wired You must clean it off prior to jump-starting.
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Page 49: Servicing The Fuses
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. Adjusting the Tracking The fuse block is located to the right of the operator’s seat. -
Page 50: Checking The Tire Pressure
Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Drive tires pressure specification: 124 kPa (18 psi). Note: The caster tires are semi-pneumatic tires and do not require air pressure maintenance. DANGER Low tire pressure decreases machine side-hill stability. -
Page 51: Checking The Wheel Hub Slotted Nut
Checking the Wheel Hub Brake Maintenance Slotted Nut Adjusting the Parking Service Interval: After the first 100 hours Brake Every 500 hours thereafter Service Interval: After the first 100 hours Torque the slotted nut to 420 to 461 N∙m (310 to 340 ft-lb). -
Page 52: Belt Maintenance
Belt Maintenance Tighten the jam nut on the rear linkage (Figure 59). Ensure that the wheel hub moves freely between Inspecting the Belts the caliper brake pads. Service Interval: Every 50 hours Repeats steps for the right side. Check the belts whenever they squeal while rotating, Rotate the drive wheel release handle to the blades slip while cutting grass, or if the belts have the operating position;... - Page 53 g297414 Figure 62 g243945 1. Spring 3. Spring-loaded idler pulley Figure 61 2. Square hole in the idler 4. Center deck mower belt arm for the ratchet 1. Square hole in the idler 3. Spring arm for the ratchet 2. Wing deck mower belt Install the new belt around the mower deck pulleys.
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Page 54: 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, and engage the parking brake. -
Page 55: Adjusting The Motion-Control Damper
Remove the electrical connection from the seat Remove the jumper wire from the wire harness safety switch, located under the bottom cushion and plug the connector into the seat switch. of the seat. Remove the jack stands. Note: The switch is a part of the seat assembly. Raise the mower deck and install the height-of-cut pin. -
Page 56: Hydraulic System Maintenance
HYPR-OIL™ 500 fluid (available in 5-gallon pails or 55-gallon drums. See the Parts Catalog or contact an authorized Toro distributor for part numbers.) Alternate fluids for the hydro drives: If the Toro fluid is not available, Mobil® 1 15W50 hydraulic fluid may be used. - Page 57 Before installing the new filters, apply a thin coat of Toro HYPR-OIL™ 500 fluid on the surface of the 2 rubber seals. Install the new filters and torque to 19 N∙m (14 ft-lb).
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Page 58: Mower Deck Maintenance
Install the power unit if you removed it to drain. Note: Ensure that the mower deck is level before matching the height of cut (HOC). Add approximately 710 ml (24 fl oz) Toro Premium Transmission/Hydraulic Tractor Fluid Park the machine on a level surface, disengage and install the cap. - Page 59 g295443 Figure 69 1. Cam lock 3. Lanyard 2. Clevis pin Insert the height-of-cut pin into the 102 mm (4 inches) location and install the lanyard. Lock the each wing deck cam lock. Start the engine. g295607 Figure 70 Note: The parking brake must be engaged and the motion-control levers must be out to start 1.
- Page 60 height of cut with the desired rake, you can utilize the single-point adjustment to gain more adjustment. To adjust the single-point system, first loosen the front and rear height-of-cut plate mounting bolts (Figure Fine-tune the rear adjusters as required. You can adjust the single-point adjustment to gain more adjustment.
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Page 61: Blade Safety
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 repair a damaged blade may result in discontinued safety certification of the product. •... - Page 62 Note: If this dimension exceeds 3 mm (1/8 inch), the blade is bent and must be replaced. DANGER A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace bent or damaged g006530 blade with a new blade.
- Page 63 Sharpening the Blades Install the bushing/blade assembly into the spindle shaft (Figure 80). Use a file to sharpen the cutting edge at both ends of the blade (Figure 77). Note: Maintain the original angle. Note: The blade retains its balance if the same amount of material is removed from both cutting edges.
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Page 64: Cleaning
Cleaning Cleaning the Machine and Mower Deck Service Interval: Before each use or daily Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. -
Page 65: Storage
Storage Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: Storage Safety Run the engine to distribute conditioned fuel through the fuel system for 5 minutes. • Always shut off the engine, remove the key, wait for all moving parts to stop, and allow the machine Shut off the engine, allow it to cool, and to cool before adjusting, cleaning, storing, or... -
Page 66: 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 disengaged. 2. The parking brake is not engaged. 2. Engage the parking brake. 3. The drive levers are not in the 3. - Page 67 Problem Possible Cause Corrective Action The machine pulls left or right (with the 1. The tracking needs adjustment. 1. Adjust the tracking. motion-control levers fully forward). 2. The tire pressure in the drive tires is 2. Adjust the tire pressure in the drive not correct.
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Page 68: Schematics
Schematics g294455 Electrical Schematic—Machine with Horizon Display Monitor (Rev. A) - Page 69 g008623 Hydraulic Schematic (Rev. A)
- Page 70 DECK LIFT FOLD CYLINDER CYLINDERS PORTS “A”, “B”, “C” 7/16-20 UNF (#4 SAE) .020 345 BAR ±7 5000 PSI ±100 .020 RATIO 221 BAR ±7 3200 PSI ±100 0.35 CC/REV 0.022 IN /REV g299104 Wing Deck Lift Hydraulic Diagram (Rev. A)
- Page 71 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.