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Toro 74247 Operator's Manual
Toro 74247 Operator's Manual

Toro 74247 Operator's Manual

With 72in turbo force side discharge mower
Table of Contents

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Form No. 3351–995
Z557
Z Master with 72in TURBO FORCE
Side
Discharge Mower
Model No. 74247–250000001 & Up
Operator's Manual
Original Instructions (EN)
Register your product at www.Toro.com

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Table of Contents
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Summary of Contents for Toro 74247

  • Page 1 Form No. 3351–995 Z557 Z Master with 72in TURBO FORCE Side Discharge Mower Model No. 74247–250000001 & Up Operator’s Manual Original Instructions (EN) Register your product at www.Toro.com...
  • Page 2: Table Of Contents

    ......The Toro Total Coverage Guarantee ... . .
  • Page 3: Introduction

    Authorized Service This product is capable of amputating hands and feet and Dealer or Toro Customer Service and have the model and throwing objects. Always follow all safety instructions to serial numbers of your product ready. Figure 1 illustrates avoid serious injury or death.
  • Page 4 Use extra care when handling gasoline and other fuels. Use extreme care when loading or unloading the They are flammable and vapors are explosive. machine into a trailer or truck. Use only an approved container Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision.
  • Page 5 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 Align this edge with a vertical surface (Tree, Building, Fence post, pole, etc.)
  • Page 9: Safety And Instruction Decals

    Safety and Instruction 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. 1-633462 43-8480 1-643339 54-9220 1-523552 58-6520 1. Grease 98-4387 1.
  • Page 10 105-7797 66-1340 104-8569 68-8340 98-5954 105-7798 107-1613 103-0368 107-1864 104-4163 1. Explosion hazard 4. Wear eye protection 2. No fire, open flames, or 5. Read the Operator’s smoking. Manual. 3. Caustic liquid/chemical 6. Keep bystanders a safe burn hazard distance from the battery.
  • Page 11 107-1621 107-2102 106-9969 107-1622...
  • Page 12 107-2112 107-1860 107-1857 107-1861 107-8076...
  • Page 13 106-9989 106-7492...
  • Page 14 104-4164 1. Contains lead; do not 3. Wear eye protection; 5. Sulfuric acid can cause 7. Maximum fill line discard. explosive gases can cause blindness or severe burns. 8. Minimum fill line blindness and other injuries 2. Recycle 6. Flush eyes immediately with 9.
  • Page 15: Gasoline And Oil

    Gasoline and Oil Warning Gasoline is harmful or fatal if swallowed. Recommended Gasoline Long–term exposure to vapors can cause serious injury and illness. Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded Avoid prolonged breathing of vapors. regular gasoline may be used if unleaded regular is not Keep face away from nozzle and gas tank or available.
  • Page 16: Operation

    Operation Note: Determine the left and right sides of the machine from the normal operating position. Using the Rollover Protection System (ROPS) m–7447 Figure 2 Warning 1. Full down position 2. Down position with bagger installed To avoid injury or death from rollover: keep the roll bar in the raised locked position and use the seat belt.
  • Page 17: Think Safety First

    7. Tighten the front handles against the center roll bar ends (Fig. 3). m–6897 Figure 4 1. Front handle Think Safety First m–6478 Figure 5 Please read all safety instructions and symbols in the 1. Safe Zone—use the 2. Use walk behind mower safety section.
  • Page 18: Controls

    Controls Operating the Parking Brake Become familiar with all the controls before you start the Always set the parking brake when you stop the machine engine and operate the machine (Figures 7 and 8). or leave it unattended. Setting the Parking Brake 1.
  • Page 19: Operating In Cool Weather

    Operating in Cool Weather The engine on this machine may take 5 to15 minutes to reach full operating temperature in cool weather conditions. Keep the choke applied slightly to keep the engine running smoothly from cold startup or when engaging the mower deck.
  • Page 20: Operating The Power Take Off (Pto)

    The Safety Interlock System Caution Caution Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. If safety interlock switches are disconnected or damaged the machine could operate unexpectedly Always remove the ignition key and set the causing personal injury.
  • Page 21: Driving Forward Or Backward

    the engine is running, center either motion control and To turn, move the motion control lever toward neutral in move (forward or reverse); the engine should stop. the direction you want to turn (Fig. 15). Repeat for other motion control. The farther you move the traction control levers in either 5.
  • Page 22: Using The Lift Assist Lever

    3. Select a hole in height-of-cut bracket corresponding to 1. Disengage the power take off (PTO) and turn the the height-of-cut desired and, insert the clevis pin ignition key to off. Move levers to neutral locked (Fig. 16). position and apply the parking brake. Remove the key. 4.
  • Page 23: Adjusting The Flow Baffle

    Positioning the Flow Baffle 5. Repeat this adjustment on the other anti–scalp rollers. The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle.
  • Page 24: Positioning The Seat

    Use in tall, dense grass mowing conditions. Use in wet conditions. Lowers the engine power consumption. Allows increased ground speed in heavy conditions. This position is similar to the benefits of the Toro SFS mower. Full Forward Position m–6840 Figure 26 1.
  • Page 25: Using The Side Discharge

    Breaking in a New Machine New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break–in time for new machines to develop full power for best performance.
  • Page 26: Tips For Mowing Grass

    Tips for Mowing Grass of the slope and the ramp extends up the slope. This will minimize the ramp angle. The trailer or truck should be as level as possible. Fast Throttle Setting Important Do Not attempt to turn the unit while on For best mowing and maximum air circulation, operate the ramp;...
  • Page 27 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 28: Maintenance

    Maintenance Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Hydraulic fluid—check level After first 5 hours Hydraulic filter—change Oil—check level Safety System—check Each Use Mower Housing—clean Engine air intake—clean Every 8 Hours Cutting Blades—check Idler arm—grease Traction belt idler arm—grease Brake lever—grease Mower support arms—grease Every 25 Hours...
  • Page 29: 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 30 Figure 33 performance and continued safety conformance of the 1. Blade 2. Balancer machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. Installing the Blades 1. Install the blade onto the spindle shaft (Fig. 34).
  • Page 31: Servicing The Air Cleaner

    7. Inspect the primary filter for damage by looking into Important The curved part of the blade must be the filter while shining a bright light on the outside of pointing upward toward the inside of the mower to ensure the filter.
  • Page 32: Servicing The Engine Oil

    Servicing the Engine Oil Change oil: After every 100 operating hours. Note: Change oil more frequently when operating conditions are extremely dusty or sandy. Oil Type: Detergent oil (API service SH, SJ, SL or higher) Crankcase Capacity: w/filter, 67 oz. (2.0 l) Viscosity: See table below m–4811 m–3219...
  • Page 33: Servicing The Spark Plug

    Change the Oil Filter Removing the Spark Plug Replace the oil filter every 200 hours or every other oil 1. Disengage the PTO, move the motion control levers to change. the neutral locked position and set the parking brake. Note: Change the oil filter more frequently when 2.
  • Page 34: Servicing The Fuel Filter

    0.030 inch (0.76 mm) m–3215 Figure 40 1. Center electrode insulator 3. Air gap (not to scale) m–6842 2. Side electrode Figure 41 1. Filter 3. Fuel shut-off valve 2. Hose clamp Installing the Spark Plug 1. Install the spark plug(s). Make sure the air gap is set correctly.
  • Page 35: Greasing And Lubrication

    5. Install the fuel line onto the fuel filter. Slide the hose 3. Pump grease into the zerk until it oozes out around the clamp close to the fuel filter to secure the fuel line top bearing. (Fig. 42). 4. Remove the grease zerk in the hole. Install the hex plug and cap.
  • Page 36: Cleaning The Cooling Systems

    Important Make sure cutting unit spindles are full of Ó Ó Ó grease weekly. Ó Ó Ó 1. Disengage the PTO, move the motion control levers to Ó Ó Ó the neutral locked position and set the parking brake. Ó Ó Ó 2.
  • Page 37: Checking The Tire Pressure

    Checking the Tire Pressure Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig.
  • Page 38: Servicing The Hydraulic System

    Servicing the Hydraulic System Checking the Hydraulic Fluid Check the hydraulic fluid level: Before the engine is first started. After the first 8 operating hours. After every 25 operating hours. Fluid Type: Mobil 1 15W-50 synthetic motor oil or m–5615 equivalent synthetic oil.
  • Page 39 Replacing the Hydraulic Filter 10. Recheck the fluid level while the fluid is warm. The fluid should be between cold and hot. Change the hydraulic filter: 11. If required, add fluid to the hydraulic tank. Do not After the first 8 operating hours. overfill.
  • Page 40: Adjusting The Handle Neutral

    Warning 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. Keep body and hands away from pin hole leaks m–6282 or nozzles that eject high pressure hydraulic...
  • Page 41: Setting The Hydraulic Pump Neutral

    Setting the Hydraulic Pump 4. Open the throttle to fast. Make sure wheel remains stopped or slightly creeps in reverse, adjust if Neutral necessary. Note: Adjust the handle neutral first. That has to be correct before the following adjustment can be made. Danger Mechanical or hydraulic jacks may fail to support machine and cause a serious injury.
  • Page 42: Adjusting The Tracking

    Warning Electrical system will not perform proper safety shut off with jumper wire installed. Remove jumper wire from wire harness connector and plug connector into seat switch when adjustment is completed. Never operate this unit with jumper installed and seat switch bypassed. 7.
  • Page 43: Adjusting The Parking Brake

    Adjusting the Parking Brake 2. To replace fuses pull out on the fuse to remove it 3. Install a new fuse (Fig. 59). Check parking brake for proper adjustment. 1. Disengage brake lever (lever down). 2. Measure the length of the spring. Measurement should be 2-3/4 inch (70 mm) between washers (Fig.
  • Page 44 Removing the Battery Danger Warning Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Battery terminals or metal tools could short Do not drink electrolyte and avoid contact with against metal machine components causing skin, eyes or clothing. Wear safety glasses to sparks.
  • Page 45: Leveling The Mower At Three Positions

    1. Remove the battery from the machine. 2. Clean the top of the battery with a paper towel. 3. Remove the vent caps from the battery (Fig. 60). 4. Slowly pour distilled water into each battery cell until the level is up to the upper line (Fig. 60) on the battery case.
  • Page 46 Leveling the Mower Side–to–Side Front 1. Position the right blade front-to-rear (Fig. 63). 2. Measure the right blade at the B location (Fig. 63), from a level surface to the cutting edge of the blade tip (Fig. 64). 3. Record this measurement. This measurement needs to be 3–1/8 to 3–1/4 inches.
  • Page 47: Cleaning Under The Mower

    MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2539 Figure 67 Note: Both of the front swivels need to be adjusted the same amount to maintain equal chain tension. Front 7. Loosen the front swivel jam nuts, at the front of the right and left swivels, approximately a 1/2 inch m–6831 (13 mm) (Fig.
  • Page 48: Replacing The Mower Belt

    Replacing the Mower Belt 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. 1.
  • Page 49: Adjusting The Mower Belt Tension

    Adjusting the Mower Belt Tension 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.
  • Page 50: Replacing The Grass Deflector

    m–3746 Figure 74 1. Fixed Idler 2. Adjustment slot m–6846 Figure 75 1. Bolt 6. Grass Deflector Replacing the Grass Deflector 2. Spacer 7. L end of spring, place behind deck edge before 3. Locknut installing bolt 4. Spring Warning 8.
  • Page 51: Cleaning And Storage

    Cleaning and Storage B. Run engine to distribute conditioned fuel through the fuel system (5 minutes). 1. Disengage the power take off (PTO), set the parking C. Stop engine, allow to cool and drain the fuel tank; brake and turn the ignition key to off. Remove spark refer to Servicing the Fuel Tank, page 34.
  • Page 52: Wiring Diagram

    Wiring Diagram...
  • Page 53: Troubleshooting

    Troubleshooting Problem Possible Causes Corrective Action Starter does not crank 1. Blade control (PTO) is 1. Move blade control (PTO) to engaged. disengaged. 2. Parking brake is not on. 2. Set parking brake. 3. Operator is not seated. 3. Sit on the seat. 4.
  • Page 54 Problem Possible Causes Corrective Action Machine does not drive. 1. Traction belt is worn, loose or 1. Contact Authorized Service broken. Dealer. 2. Traction belt is off pulley. 2. Contact Authorized Service Dealer. 3. Hydro fluid level low. 3. Add hydro fluid to reservoir. 4.
  • Page 56: The Toro Total Coverage Guarantee

    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.

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Z557 z master

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