Toro 74412 Operator's Manual
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Toro 74412 Operator's Manual

Toro 74412 Operator's Manual

With 48in 7-gauge side discharge mower
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Form No. 3354-550 Rev B
Z400 Z Master® with 48in,
7-Gauge Side Discharge
Mower
Model No. 74412—Serial No. 260000001 and Up
Register your product at www.Toro.com
Original Instructions (EN)

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Summary of Contents for Toro 74412

  • Page 1 Form No. 3354-550 Rev B Z400 Z Master® with 48in, 7-Gauge Side Discharge Mower Model No. 74412—Serial No. 260000001 and Up Register your product at www.Toro.com Original Instructions (EN)

  • Page 2: Table Of Contents

    finding a dealer, or to register your product. Contents Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have Introduction ............2 the model and serial numbers of your product Safety ..............4 ready.
  • Page 3 Using the Rollover Protection Inspecting the Belts ......37 System (ROPS)....14 Replacing the Mower Belt ....37 Think Safety First ......15 Replacing the Pump Drive Operating the Parking Brake ....16 Belt ........38 Starting and Stopping the Adjusting the Push Arms ....

  • Page 4: Safety

    Safety hair, loose clothing or jewelry may get tangled in moving parts. Improper use or maintenance by the operator or • Inspect the area where the equipment is to be owner can result in injury. To reduce the potential used and remove all objects such as rocks, toys for injury, comply with these safety instructions and wire which can be thrown by the machine.
  • Page 5 • Keep hands and feet away from the cutting • Always avoid sudden starting or stopping on units. a slope. If tires lose traction, disengage the blades and proceed slowly off the slope. • Never carry passengers and keep pets and bystanders away.
  • Page 6 Wear protective clothing and use insulated tools. • Keep all parts in good working condition and all hardware tightened. Replace all worn or damaged decals. • Use only Toro approved attachments. Warranty may be voided if used with unapproved attachments.

  • Page 7: Slope Chart

    Slope Chart...

  • 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 1-403005 66-1340 1-523552 65-2690 1-633818 68-8340 98-4387 54-9220 1.
  • Page 9 98-5954 107-1687 103-2644 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe 105-7798 distance from the battery. 2. No re, open ame, or 7. Wear eye protection; explosive gases can cause smoking.
  • Page 10 107-2112 108-1050 107-2102 Manufacturer’s Mark 1. Indicates the blade is identied as a part from the original machine manufacturer. 107-8445...
  • Page 11 107-9309 1. Warning—read the Operator’s Manual for information on charging the battery; contains lead; do not discard. 2. Read the Operator’s Manual. 108-5278 1. Read the Operator’s Manual. 108-5995 1. Fast 4. Reverse 2. Slow 3. Neutral 110-0439 5. Fast 1.

  • Page 12: Product Overview

    Product Overview Using the Hour Meter The hour meter (Figure 5) records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance. Figure 5 1. Hour meter Using the Fuel Shutoff Valve The machine has 2 fuel tanks, one on the left side and the other on the right side.

  • Page 13: Operation

    Operation In certain conditions during fueling, static Note: Determine the left and right sides of the electricity can be released causing a spark machine from the normal operating position. which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and Adding Fuel others and can damage property.

  • Page 14: Checking The Engine Oil Level

    • Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel There is no rollover protection when the roll system, which causes hard starting bar is in the down position. Important: Do not use fuel additives •...

  • Page 15: Think Safety First

    Think Safety First 5. To raise the roll bar, remove the hairpin cotter pins and remove the two pins (Figure 8). Please read all safety instructions and symbols 6. Raise the roll bar to the upright position and in the safety section. Knowing this information install the two pins and secure them with the could help you or bystanders avoid injury.

  • Page 16: Operating The Parking Brake

    Setting the Parking Brake 1. Move the motion control levers (Figure 18) out to the neutral lock position. 2. Pull up and back on the parking brake lever to set the parking brake (Figure 12). The parking brake lever should stay firmly in the engaged position.
  • Page 17 Figure 15 1. Throttle—fast 2. Throttle—slow 6. Turn the ignition key to Start. When the Figure 13 engines starts, release the key (Figure 16). 1. PTO—on 2. PTO—off Important: Do not engage starter for more than 10 seconds at a time. If engine 4.

  • Page 18: Operating The Power Take Off

    Important: Make sure that the fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur. Set the parking brake before transporting. Make sure to remove the key as the fuel pump may run and cause the battery to lose charge.

  • Page 19: Driving Forward Or Backward

    engaged or if you rise from the seat when the PTO is engaged. Machine can spin very rapidly. Operator Testing the Safety Interlock System may lose control of machine and cause personal injury or damage to machine. Test the safety interlock system before you use •...

  • Page 20: Stopping The Machine

    Driving Backward 1. Move the levers to the center, un-locked position. 2. To go backward, slowly pull the motion control levers rearward (Figure 18). To go straight, apply equal pressure to both motion control levers (Figure 18). To turn, release pressure on the motion control lever toward the direction you want to turn (Figure 18).

  • Page 21: Positioning The Seat

    Figure 22 1. Adjustment lever Unlatching the Seat Figure 20 Push the seat latch rearward to unlatch the seat. 1. Anti-scalp roller 4. Flange Nut This will allow access to the machine under the 2. Spacer 5. Bolt seat (Figure 23). 3.

  • Page 22: Using The Side Discharge

    by-pass the pump enabling the wheels to turn (Figure 24). Without the grass deflector, discharge Important: Do not rotate by-pass valves cover, or complete grass catcher assembly more than 1 turn. This prevents valves mounted in place, you and others are from coming out of the body and causing exposed to blade contact and thrown debris.

  • Page 23: Loading Machines

    Loading Machines Use extreme caution when loading units on trailers Loading a unit onto a trailer or truck or trucks. One full width ramp that is wide enough increases the possibility of backward to extend beyond the rear tires is recommended tip-over and could cause serious injury or instead of individual ramps for each side of the death.

  • Page 24: Operating Tips

    If a blade is damaged or worn, replace it immediately with a Mow at Correct Intervals genuine TORO replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times.

  • Page 25: Maintenance

    Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check the hydraulic uid. After the rst 8 operating • Change the hydraulic lter and oil. hours • Check the safety system. • Check the engine oil level. • Clean the air intake screen. Before each use or daily •...

  • Page 26: Lubrication

    Lubrication Greasing and Lubrication Lubricate the machine when shown on the Check Service Reference Aid decal (Figure 26). Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. How to Grease 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake.

  • Page 27: Engine Maintenance

    Removing the Foam and Paper 4. Grease the three spindle bearings under the Elements pulleys until grease comes out the lower seals (Figure 27). 1. Disengage the PTO and set the parking brake. 5. Grease the idler arm on the mower deck 2.

  • Page 28: Servicing The Engine Oil

    2. Dry the element by squeezing it in a clean cloth. Do not wring it as this may cause damage. 3. Put oil on the element and squeeze it to distribute the oil. Important: Replace the foam element if it is torn or worn. Figure 30 1.
  • Page 29 3. Wait for all moving parts to stop before leaving 7. When oil has drained completely, close the the operating position and then chock or block drain valve. tires. 8. Remove the drain hose (Figure 33). 4. Clean around the oil dipstick (Figure 32) so Note: Dispose of the used oil at a recycling that dirt cannot fall into the filler hole and center.

  • Page 30: Servicing The Spark Plugs

    2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Disconnect the wires from the spark plugs (Figure 35). Figure 34 1. Oil lter 3. Adapter 2. Rubber gasket 3.

  • Page 31: Fuel System Maintenance

    Important: Always replace the spark plugs when it has a black coating, worn electrodes, an oily film, or cracks. 3. Check the gap between the center and side electrodes (Figure 36). Bend the side electrode (Figure 36) if the gap is not correct. Installing the Spark Plugs 1.

  • Page 32: Electrical System Maintenance

    Removing the Battery 5. Disconnect the fuel line from the fuel filter (Figure 37). 6. Open the fuel shutoff valve. Battery terminals or metal tools could short Note: Allow gasoline to drain into a fuel against metal machine components causing container can or drain pan (Figure 37).

  • Page 33: Servicing The Fuses

    Charging the Battery Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from battery. Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 32°F (0°C).

  • Page 34: Drive System Maintenance

    Drive System Fuse: Maintenance • Main, F1-30 amp, blade-type • Charge circuit, F2-25 amp, blade-type Adjusting the Tracking • Optional head light kit, 10 amp, blade-type Note: Determine the left and right sides of the 1. Raise the seat to gain access to the fuse holder machine from the normal operating position.

  • Page 35: Checking The Tire Pressure

    Checking the Tire Pressure Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Figure 42). Maintain the air pressure in the front and rear tires at 13 psi (90 kPa).. Uneven tire pressure can cause uneven cut.

  • Page 36: Cooling System Maintenance

    3. Remove the air intake screen, recoil starter and fan housing (Figure 45). 4. Clean the debris and grass from the engine parts. 5. Install air intake screen, recoil starter and fan housing (Figure 45). Figure 44 1. Spring Washers 3.

  • Page 37: Belt Maintenance

    Figure 46 1. Brake linkage 3. Hair pin and cotter pin 2. Yoke 6. Adjust the yoke clockwise to shorten the distance; counterclockwise to lengthen distance (Figure 46). 7. Measure the distance vertically between the front of the brake bar and the crown of the Figure 47 tire;...

  • Page 38: Replacing The Pump Drive

    Note: Do not increase the belt tension 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the beyond the point where the fixed idler arm operating position. stops. 3. Remove the belt covers over the outside 9.

  • Page 39: Adjusting The Push Arms

    Adjusting the Push Arms 3. Tilt the seat forward. 4. Begin with either the left or right motion If needed, adjust the push arms to increase or control lever. decrease the mower belt tension. 5. Move lever to the neutral position but not 1.

  • Page 40: Hydraulic System Maintenance

    Hydraulic System Maintenance Servicing the Hydraulic System Checking the Hydraulic Fluid Fluid Type: Mobil 1 15W-50 synthetic motor oil or equivalent synthetic oil. Important: Use oil specified or equivalent. Other fluids could cause system damage. Hydraulic System Oil Capacity: 67 ounces (2.0 l) Check the hydraulic fluid level: •...
  • Page 41 1. Disengage the 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. Important: Do not substitute automotive oil filter or severe hydraulic system damage may result.

  • Page 42: Setting The Hydraulic Pump

    Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done.
  • Page 43 Engine must be running so motion control adjustment can be performed. Contact with moving parts or hot surfaces may cause personal injury. Keep hands, feet, face, clothing and other body parts away from rotating parts, muffler and other hot surfaces. 1.

  • Page 44: Mower Deck Maintenance

    Mower Deck Maintenance Leveling the Mower at Three Positions Important: There are only three measuring positions needed to level the mower. Preparing the Machine 1. Position mower on a flat surface. 2. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake.
  • Page 45 Figure 59 Figure 60 1. Measure here from blade 2. Measure at B and C to hard surface 1. Rear chain 5. Adjustment bolt 2. Rear support arm 6. Front swivel 3. Bolt 7. Front support arm 4. Jam Nut 7.

  • Page 46: Servicing The Cutting Blades

    If a blade is damaged or worn, replace it immediately with a 2. Check the distance between the two large genuine Toro replacement blade. For convenient washers, it needs to be 11-1/8 inches (28.2 cm) sharpening and replacement, you may want to for 52 inch mower decks and 10-1/2 inches keep extra blades on hand.
  • Page 47 A, of ensure optimum performance and continued the blades (Figure 64). Note this dimension. safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.
  • Page 48 Contact with a sharp blade can cause serious injury. Figure 66 Wear gloves or wrap sharp edges of the blade with a rag. 1. Blade 2. Balancer 1. Hold the blade end using a rag or thickly-padded glove. Installing the Blades 2.

  • Page 49: Replacing The Grass Deflector

    Replacing the Grass Deector An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur. • Never operate the lawn mower unless you install a cover plate, a mulch plate, or a grass chute and catcher.

  • Page 50: Storage

    Storage A. Add a petroleum based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from 1. Disengage the power take off (PTO), set the the stabilizer manufacturer. Do not use parking brake, and turn the ignition key to Off. an alcohol based stabilizer (ethanol or Remove the key.

  • Page 51: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control (PTO) is 1. Move the blade contro engaged. (PTO) to disengaged. 2. Parking brake is not on. 2. Set the parking brake. 3. Operator is not seated. 3.
  • Page 52 Problem Possible Cause Corrective Action Machine does not drive. 1. By pass valve is not 1. Tighten the by pass closed tight. valve. 2. Drive or pump belt is 2. Change the belt. worn, loose or broken. 3. Drive or pump belt is off 3.
  • Page 53 Problem Possible Cause Corrective Action Blades do not rotate. 1. Drive belt is worn, loose 1. Check the belt tension. or broken. 2. Drive belt is off pulley. 2. Install the drive belt and check adjusting shafts and belt guides for correct position.

  • Page 54: Schematics

    Schematics Wire Diagram (Rev. A)
  • Page 55 The use of any add-on or modied parts will be grounds for disallowing a warranty claim made in accordance with this article. The Toro® Company will not be liable under this Article to warrant failures of warranted parts caused by the use of an add-on or modied part.
  • Page 56 (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.

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