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Toro Z Master G3 Riding Mower Operator's Manual
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Toro Z Master G3 Riding Mower Operator's Manual

Toro Z Master G3 Riding Mower Operator's Manual

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Form No. 3367-170 Rev B
Z Master
®
G3 Riding Mower
with 48in TURBO FORCE
®
Side Discharge
Mower
Model No. 74902TE—Serial No. 311000001 and Up
g015150
To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
Original Instructions (EN)

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Summary of Contents for Toro Z Master G3 Riding Mower

  • Page 1 G3 Riding Mower with 48in TURBO FORCE ® Side Discharge Mower Model No. 74902TE—Serial No. 311000001 and Up g015150 To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com. Original Instructions (EN)
  • Page 2 WARNING Removing standard original equipment parts and accessories may alter the warranty, traction, and safety of the machine. Failure to use original Toro parts could cause serious injury or death. Making unauthorized changes to the engine, fuel or venting system, may violate regulations.
  • Page 3 Controls ............. 13 Checking the Wheel Hub Slotted Nut....45 Specifications ............. 14 Adjusting the Caster Pivot Bearing ...... 46 Operation..............15 Cooling System Maintenance ........46 Adding Fuel ............15 Cleaning the Engine Screen and Engine Oil Checking the Engine Oil Level......16 Cooler ............
  • Page 4 Preparation Safety • While mowing, always wear substantial footwear and This machine meets or exceeds European Standards in long trousers. Do not operate the equipment when effect at the time of production. However, improper barefoot or wearing open sandals. use or maintenance by the operator or owner can •...
  • Page 5 The following list contains safety information specific to • Disengage drive to attachments, stop the engine, Toro products or other safety information that you must and disconnect the spark plug wire(s) or remove the know that is not included in the CEN standard.
  • Page 6 Slope Operation Sound Pressure • Do not mow slopes greater than 15 degrees. This unit has a sound pressure level at the operator’s ear of 92 dBA, which includes an Uncertainty Value (K) • Do not mow near drop-offs, ditches, steep banks of 1 dBA.
  • Page 7 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 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 99-8939 1. Read the Operator’s 3. Remove the ignition key and read the instructions Manual.
  • Page 9 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystandersa safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
  • Page 10 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 114–4470 1. Read the Operator’s 3. Locked 114–4465 Manual. 1. Hydraulic fluid service 4. Read the Operator’s 2. Height of cut 4. Unlocked interval—50 hours Manual before servicing or performing maintenance 2.
  • Page 11 115-7445 1. Grease pulleys and spindles 2. Maintenance interval—50 hours 117-0876 1. PTO (Power Take-off) 4. Continuous variable setting 2. Choke 5. Slow 3. Fast 117-3811 1. Read the Operator’s 2. Hydraulic oil Manual. 117-0346 1. Fuel leak hazard—read the Operator’s Manual; do not attempt to remove the roll bar;...
  • Page 12 117-3888 1. Sliding, tipping hazard—do not use the machine near drop-offs with slopes greater than 15 degrees, use the machine a safe distance from drop-offs on slopes less than 15 degrees; do not turn sharply while traveling fast, drive slowly when turning. 2.
  • Page 13 Product Overview 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). The indicator light appears when the fuel level is low (approximately one gallon remaining in the fuel tank).
  • Page 14 A selection of Toro approved attachments and accessories are 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 DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the electricity can be released causing a spark which machine from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property.
  • Page 16 Checking the Engine Oil Level Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the Before you start the engine and use the machine, check chance of varnish deposits in the fuel system, use fuel the oil level in the engine crankcase;...
  • Page 17 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 18 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 is recommended.
  • Page 19 Disengaging the Blade Control Switch (PTO) G009174 Figure 14 Operating the Throttle The throttle control can be moved between Fast and Slow positions (Figure 15). G008959 Always use the fast position when turning on the Figure 16 mower deck with the blade control switch (PTO). 1.
  • Page 20 Using the Fuel Shut-Off Valve The fuel shut-off valve is located under the seat. Move the seat forward to access it. Close the fuel shut-off valve for transport, maintenance, and storage. Ensure the fuel shut-off valve is open when starting the engine.
  • Page 21 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 Using the Motion Control Levers 1. Sitting on the seat, engage the parking brake and move the blade control switch (PTO) to on. Try starting the engine; the engine should not crank. 2. Sitting on the seat, engage the parking brake and move the blade control switch (PTO) to off.
  • Page 23 Stopping the Machine To stop the machine, move the traction control levers to neutral and move to locked position, disengage the power 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.
  • Page 24 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 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 Position A This is the full rear position. The suggested use for this position is a follows. • Use for short, light grass mowing conditions. • Use in dry conditions. • For smaller grass clippings. • Propels grass clippings farther away from the mower.
  • Page 27 WARNING DANGER The engine and hydraulic drive units can become Without a grass deflector, discharge cover, or very hot. Touching a hot engine or hydraulic drive complete grass catcher assembly mounted in units can cause severe burns. place, you and others are exposed to blade contact and thrown debris.
  • Page 28 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 29 WARNING WARNING Loading a unit onto a trailer or truck increases the The machine could fall onto someone and cause possibility of backward tip-over and could cause serious injury or death. serious injury or death. • Use extreme caution when operating the •...
  • Page 30 Figure 40 1. Z Stand (Positioned in 3. Latch resting on pivot tab slot) Figure 41 2. Crack in side walk or turf 1. Z Stand 3. Locked position 2. Latch 4. Unlocked position 4. Set the foot of stand on the ground and rest the latch on the pivot tab (Figure 40).
  • Page 31 Check the cutter blades daily for sharpness, and for any wear or damage. 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.
  • Page 32 • Check the torque for wheel lug nuts. Every 500 hours • Adjust the caster pivot bearing. • Check the park brake adjustment. • Change the hydraulic filters and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil. • Check the battery. Monthly •...
  • Page 33 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 Greasing and Lubrication Grease more frequently when operating conditions are extremely dusty or sandy.
  • Page 34 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Grease the mower deck idler pulley pivot until grease come out the bottom (Figure 43). 4. Grease the 3 spindle bearings until grease come out the lower seals (Figure 43).
  • Page 35 Engine Maintenance Leave approximately 1/8 inch (3 mm) from the outer surface of the spacer nut to the end of the axle inside the nut. WARNING 9. Insert the assembled nut and axle into the wheel on Contact with hot surfaces may cause personal the side of the wheel with the new seal and bearing.
  • Page 36 Servicing the Engine Oil Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Oil Capacity: with a filter change, 71 ounces (2.1 L); without a filter change, 61 ounces (1.8 L) Viscosity: See the table below. Figure 47 1.
  • Page 37 G008804 Figure 48 Note: Use of multi-grade oils (5W-20, 10W-30, or 10W-40) will increase oil consumption. Check the oil level more frequently when using them. Checking the Engine Oil Level Service Interval: Before each use or daily Note: Check the oil when the engine is cold. WARNING Contact with hot surfaces may cause personal injury.
  • Page 38 Changing the Engine Oil 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil Service Interval: After the first 8 hours to bring it to the Full mark (Figure 51). Every 100 hours (more often in dirty or dusty conditions) Note: Dispose of the used oil at a recycling center.
  • Page 39 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 G008804 the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap.
  • Page 40 Install the hydraulic unit shroud (Figure 53). Check the Spark Arrester (if equipped) Service Interval: Every 50 hours g015124 WARNING Hot exhaust system components may ignite gasoline vapors even after the engine is stopped. Hot particles exhausted during engine operation may ignite flammable materials.
  • Page 41 Fuel System Note: It is important to reinstall the fuel line hoses and secure with plastic ties the same as they were originally Maintenance installed at the factory to keep the fuel line away from components that could cause fuel line damage. Replacing the Fuel Filter Servicing the Fuel Tank Service Interval: Every 500 hours/Yearly (whichever...
  • Page 42 Electrical System 4. Slide the red terminal boot off the positive (red) battery terminal and remove the positive (+)(red) Maintenance battery cable (Figure 58). 5. Remove the wing nut securing the battery clamp (Figure 58). Servicing the Battery 6. Remove the clamp (Figure 58). Service Interval: Monthly 7.
  • Page 43 Charging the Battery Servicing the Fuses The electrical system is protected by fuses. It requires WARNING no maintenance, however, if a fuse blows check the Charging the battery produces gasses that can component/circuit for a malfunction or short. explode. 1. The fuses are located on right hand console next to Never smoke near the battery and keep sparks and the seat (Figure 60).
  • Page 44 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 45 Checking the Wheel Hub Slotted Nut Service Interval: After the first 100 hours Every 500 hours See Figure 64 to determine which slotted nut has been installed on the unit. Figure 64 1. Style A (black finish) 3. Style B (yellow zinc) 2.
  • Page 46 Cooling System nut to align the slot. If required, tighten to the next set of slots. Maintenance 7. Install a new cotter pin. Note: Do Not use anti-seize on wheel hub. Cleaning the Engine Screen and Engine Oil Cooler Adjusting the Caster Pivot Bearing Service Interval: Before each use or daily Remove any build-up of grass, dirt or other debris from...
  • Page 47 Figure 69 Figure 68 1. Hydraulic unit shrouds 1. Engine guard 4. Fan housing 2. Engine air intake screen 5. Screw 3. Bolt 6. Over each dipstick, remove the cover and the bolt attached to the cover . Clean around each dipstick and hydraulic unit (Figure 70).
  • Page 48 Brake Maintenance standard nut. Do Not allow the cable to turn when the nuts are tightened. 15. Close the drive wheel release valve. Refer to Using Adjusting the Parking Brake the Drive Wheel Valves in Operation. Service Interval: After the first 100 hours 16.
  • Page 49 Belt Maintenance 8. Remove the existing belt. 9. Install the new belt around the mower pulleys and the clutch pulley under the engine (Figure 73). 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.
  • Page 50 Figure 74 1. Position the belt cover 3. Install the bolt Figure 75 2. Slide belt cover under the side catches 1. Idler pulley 5. Left hand hydraulic pump pulley 2. Clutch pulley 6. Square hole in idler arm 3. Pump drive belt 7.
  • Page 51 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 4. Temporarily install a jumper wire across the 10. Raise the deck and re-install the height of cut pin. terminals in the connector of the main wiring 11. Check that the machine does not creep in neutral harness. with the park brakes disengaged. 5.
  • Page 53 Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ Figure 80 hydraulic oil or Mobil ® 1 15W-50. 1. Flanged nut 2. Jam nut Important: Use oil specified. Other fluids could cause system damage. Each Hydraulic System Oil Capacity: 52 ounces (1.5...
  • Page 54 ® when using Mobil 1 15W-50 oil. Every 500 hours—Change the hydraulic filters and hydraulic oil when using Toro ® HYPR-OIL ™ hydraulic oil. To replace the hydraulic oil, the filters need to be removed. Replace both at the same time.
  • Page 55 Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure the mower deck is leveled before matching the height-of-cut (HOC). 1. Position 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 6. Insert the height adjustment pin into the 3 inch (7.6 cm) cutting height location. 7. Release the transport lock and allow the deck to lower to the cutting height. 8. Raise the discharge chute. 9. On both sides of the deck, measure from the level surface to the front tip of the blade (Postion A).
  • Page 57 If a blade is damaged or worn, by rotating it counterclockwise (Figure 88). replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you Note: Loosen or tighten the single point adjustment may want to keep extra blades on hand.
  • Page 58 Toro replacement blades. used. If the blade is not balanced, file some metal off Replacement blades made by other manufacturers may the end of the sail area only (Figure 91).
  • Page 59 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Remove the height adjustment pin and lower the deck to the ground. Figure 93 3. Place the height adjustment pin in the 3 inch (7.6 cm) 1.
  • Page 60 g015594 Figure 97 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deflector 3. Locknut 7. J hook end of spring 4. Spring 2. Place the spacer and spring onto the grass deflector. Place one J end of the spring behind the deck edge. Figure 96 1.
  • Page 61 Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (blade control switch Service Interval: Before each use or daily (PTO), set the parking brake, and turn the ignition key to Off. Remove the key. 1.
  • Page 62 B. Run the engine to distribute conditioned fuel through the fuel system (5 minutes). C. Stop the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank in the Maintenance Section. D. Restart the engine and run it until it stops. E.
  • Page 63 Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control switch (PTO) is engaged. 1. Move blade control switch (PTO) to disengaged. 2. Parking brake is not on. 2. Set the parking brake. 3. Drive levers are not in neutral lock 3.
  • Page 64 Problem Possible Cause Corrective Action Machine does not drive. 1. By pass valves is not closed tight. 1. Tighten the by pass valves. 2. Pump belt is worn, loose or broken. 2. Change the belt. 3. Pump belt is off a pulley. 3.
  • Page 65 Schematics Wire Diagram (Rev. A)
  • Page 66 Notes:...
  • Page 67 Spypros Stavrinides Limited Cyprus 357 22 434131 Surge Systems India Limited India 91 1 292299901 T-Markt Logistics Ltd. Hungary 36 26 525 500 Toro Australia Australia 61 3 9580 7355 Toro Europe BVBA Belgium 32 14 562 960 374-0269 Rev A...
  • Page 68 Repairs necessary due to improper fuel, contaminants in the fuel *Whichever occurs first. system, or failure to properly prepare the fuel system prior to any **Some engines used on Toro LCE Products are warranted by the engine manufacturer. period of non-use over three months. •...

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74902te