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Toro 74232 Operator's Manual

With 72" sfs side discharge mower
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Form No. 3329–540
Z257
Z–Master with 72 SFS Side Discharge Mower
Model No. 74232– Serial No. 230006001 & Up
Operator's Manual
English (EN)

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Summary of Contents for Toro 74232

  • Page 1 Form No. 3329–540 Z257 Z–Master with 72 SFS Side Discharge Mower Model No. 74232– Serial No. 230006001 & Up Operator’s Manual English (EN)

  • Page 2: Table Of Contents

    ....Checking the Side Discharge Chute ..2003 by The Toro Company 8111 Lyndale Avenue South All Rights Reserved...

  • Page 3: Introduction

    Standards Institute certification will cause noncompliance additional information, contact an Authorized Service of this machine. Dealer or Toro Customer Service and have the model and Improper use or maintenance by the operator or owner serial numbers of your product ready. Figure 1 illustrates can result in injury.
  • Page 4 The owner/user can prevent and is responsible for Stop equipment and inspect blades after striking accidents or injuries occurring to himself or herself, objects or if an abnormal vibration occurs. Make other people or property. necessary repairs before resuming operations. Keep hands and feet away from the cutting units.
  • Page 5 Use extreme care with grass catchers or other attachments. These can change the stability of the Use only Toro-approved attachments. Warranty may machine and cause loss of control. be voided if used with unapproved attachments. Using the Rollover Protection System (ROPS) A rollbar is available and its use is recommended for areas where there are slopes, drop–offs or water.

  • Page 6: Slope Chart

    Slope Chart...

  • Page 8: 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. 1-523552 1-633345 1-633706 1-633462 1-633766 1-643339 1-643401...
  • Page 9 1-633818 54-9220 98-3798 98-4387 66-1340 1. Warning—wear hearing protection. 98-5954 67-5360 103–0262 43-8480...
  • Page 10 103-0368 93-7818 1. Warning—read the Operator’s Manual for instructions on torquing the blade bolt/nut to 115–149 N m (85–110 -lb.). 104-4163 1. Explosion hazard 4. Wear eye protection 2. No fire, open flames, or 5. Read the Operator’s Manual. smoking. 3.
  • Page 11 104-4164 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 12 106-6571...

  • Page 13: 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 14: Setup

    Read before operating machine Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro Installing the Drive Wheels 1. Uncrate the mower. 2. Remove wheel nuts from rear wheel hubs. 3. Align holes. Mount drive wheels with the valve stem to the outside of the traction unit.

  • Page 15: Installing The Motion Control Levers

    2. Remove retaining rod from seat and insert the L shaped end of the rod into the hole directly above the left–side hydraulic pump (Fig. 3). 3. Place the seat retaining rod to the outside of the mounting tab of the seat frame and secure with one bolt (5/16 x 1 inch) and locknut (5/16 in.) (Fig.

  • Page 16: Installing The Air Cleaner

    Danger Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to shield your eyes and robber gloves to protect your hands. Fill the battery where clean water is always m–5004 available for flushing the skin.

  • Page 17: Checking The Hydraulic Fluid

    Important Tighten the valve cover screws to 70 in–lb (5 N m) torque. 5. Remove plastic plugs from air intake elbow on engine and air cleaner hose (Fig. 7). 6. Install hose to air intake elbow on engine and air cleaner.

  • Page 18: Operation

    Operation Caution Note: Determine the left and right sides of the machine This machine produces sound levels in excess of from the normal operating position. 85 dBA at the operator’s ear and can cause hearing loss through extended periods of Think Safety First exposure.

  • Page 19: Operating The Parking Brake

    Using the Hour Meter Warning The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use Parking brake may not hold machine parked on a these times for scheduling regular maintenance. slope and could cause personal injury or property damage.

  • Page 20: Operating The Power Take Off (Pto)

    6. Turn ignition key start to energize starter. When 5. Pull wire off spark plug(s) to prevent possibility of engines starts, release key. someone accidentally starting the machine before transporting or storing machine. Important Do not engage starter for more than 10 6.

  • Page 21: The Safety Interlock System

    Disengaging the PTO the engine is running, release the parking brake, engage the PTO and rise slightly from the seat; the 1. To disengage push the PTO switch to the off position engine should stop. (Fig. 19). 4. Sitting on the seat, engage the parking brake, move PTO switch to off and move the motion control levers The Safety Interlock System to neutral lock position.

  • Page 22: Stopping The Machine

    1. Raise the height-of-cut lever to the transport position (also the 5 inch (127 mm) cutting height position) (Fig. 21). 2. To adjust, remove hairpin cotter and clevis pin from height-of-cut bracket (Fig. 21). 3. Select hole in height-of-cut bracket corresponding to the height-of-cut desired and, insert clevis pin (Fig.

  • Page 23: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp 1. To adjust, move the lever sideways to unlock seat (Fig. 24). Rollers 2. Slide the seat to the desired position and release lever to lock in position. Whenever you change the height-of-cut it is recommended to adjust the height of the anti-scalp rollers. 1.

  • Page 24: Using A Rollover Protection System (Rops)

    Note: The machine will not drive unless by-pass valves Warning are turned in. Driving on street or roadway without turn signals, lights, reflective markings, or a slow moving vehicle emblem is dangerous and can lead to accidents causing personal injury. Do not drive machine on a public street or roadway.

  • Page 25: Using The Z Stand

    Using the Z Stand Warning The Z Stand is used for raising the front end of the machine. This allows for cleaning of the deck and Loading a unit onto a trailer or truck increases removal of the blades. the possibility of backward tip–over and could cause serious injury or death.

  • Page 26: Tips For Mowing Grass

    m–5600 Figure 28 m–5601 1. Z Stand (Positioned in 2. Crack in side walk or turf Figure 29 slot) 3. Latch resting on pivot tab 1. Z Stand 3. Locked position 2. Latch 4. Unlocked position 3. Raise latch. Swing stand foot out front and slide stand toward machine, into the bottom of slot (Fig.
  • 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 Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Hydraulic fluid—check level After first 5 hours Engine Oil—change Hydraulic filter—change Oil—check level Safety System—check Each Use Mower Housing—clean Engine Cooling System—clean Cutting Blades—check...

  • 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 To ensure optimum m–1855 performance and continued safety conformance of the Figure 34 machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may 1. Blade 2. Balancer result in non-conformance with safety standards.

  • Page 31: Servicing The Air Cleaner

    M–4226 Figure 35 m–4815 1. Sail Area of Blade 4. Blade Bolt Figure 36 2. Blade 5. Cone Towards Bolt Head 1. Latches 4. Primary filter 3. Spring Disk 2. Air cleaner cover 5. Safety filter 3. Air filter body Servicing the Air Cleaner Servicing the Primary Filter Primary Filter: Check and/or replace after every 200...

  • Page 32: Servicing The Engine Oil

    Servicing the Engine Oil Change oil: After the first 8 operating hours. After every 100 operating hours. Note: Change oil more frequently when operating conditions are extremely dusty or sandy. Oil Type: Detergent oil (API service SG or SH) m–4811 m–3219 Crankcase Capacity: w/filter, 67 oz.

  • Page 33: Servicing The Spark Plug

    Changing the Engine Oil Filter Removing the Spark Plug Replace the oil filter every 200 hours or every other oil 1. Disengage the power take off (PTO) and turn the change. ignition key to off. Move levers to neutral locked position and apply parking brake.

  • Page 34: Servicing The Fuel Filter

    0.030 inch (0.76 mm) m–3215 m–3217 Figure 41 Figure 42 1. Center electrode insulator 3. Air gap (not to scale) 1. Filter 2. Hose clamp 2. Side electrode Servicing the Fuel Tank Installing the Spark Plug 1. Install the spark plug(s). Make sure the air gap is set Draining The Fuel Tank correctly.

  • Page 35: Greasing And Lubrication

    5. Install the fuel line onto the fuel filter. Slide the hose 5. Remove grease zerk in hole. Reinstall hex plug and clamp close to the fuel filter to secure the fuel line cap. (Fig. 43). Where to Add Grease Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Fig.

  • Page 36: Cleaning The Cooling Systems

    m–5766 Figure 47 1. Panel 3. Screws 2. Engine shroud M–5036 Figure 45 Checking the Tire Pressure Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Cleaning the Cooling Systems Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig.

  • Page 37: Adjusting The Caster Pivot Bearing

    6. Torque the slotted nut to 125ft–lb (169 N m) (Fig. 49). 7. Tighten nut until the next set of slots line up with the hole in the shaft (Fig. 49). 8. Replace cotter pin. M–4640 Figure 50 1. Spring Washers 3.
  • Page 38 Replacing the Hydraulic Filter 5. Run the machine at low idle for 15 minutes to allow any air to purge out of the system and warm fluid. Change the hydraulic filter: Refer to Starting and Stopping the Engine on page 19. After the first 8 operating hours.

  • Page 39: Adjusting The Handle Neutral

    11. Recheck level while fluid is warm. Add fluid to raise Warning level to top of the baffle, if required. Do not overfill. 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.

  • Page 40: Setting The Hydraulic Pump Neutral

    Setting the Hydraulic Pump Neutral Note: Adjust handle neutral first. That has to be correct before the following adjustment can be made. Danger Mechanical or hydraulic jacks may fail to support m–6282 machine and cause a serious injury. Figure 54 Use jack stand when supporting machine.

  • Page 41: 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 42: Replacing The Pump Drive Belt

    2. Measure the length of the spring. Measurement should be 2-3/4 inch (70 mm) between washers (Fig. 59). 3. If adjustment is necessary, loosen the jam nut below the spring and tighten the nut directly below the yoke (Fig. 59). Turn the nut until the correct measurement is obtained.

  • Page 43: Servicing The Battery

    m–3653 m–5004 Figure 60 Figure 61 1. Main-20 amp 2. Alternator-20 amp 1. Filler caps 3. Lower line 2. Upper line Servicing the Battery Danger Warning Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Battery posts, terminals, and related accessories Do not drink electrolyte and avoid contact with contain lead and lead compounds, chemicals...
  • Page 44 5. Slide the red terminal boot onto the positive (red) Warning battery post. 6. Secure battery with J-bolts, hold down clamp and 2 Incorrect battery cable routing could damage the washers (1/4 inch), and 2 wing nuts (1/4 inch) machine and cables causing sparks. Sparks can (Fig.

  • Page 45: Leveling The Mower

    Leveling the Mower 6. Reinstall battery vent caps. 1. Position mower on a flat surface. Stop the engine, set Charging the Battery the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). Warning 2. Check tire pressure of all four (4) tires. If needed, adjust to 13 psi (90 kPa) Charging the battery produces gasses that can 3.

  • Page 46: Cleaning Under The Deck

    Note: When properly adjusted, the front blade tip will be 2. Raise the deck to the transport position. slightly lower than the rear blade tip. See Checking for 3. Raise the front of the machine by using the Z Stand; Bent Blades on page 29 to measure.

  • Page 47: Replacing The Pto Drive Belt

    Note: Idler belt has to be installed between spacer and PTO belt idler pulley. 7. Install clutch retaining strap and plug clutch terminal into main wire harness (Fig. 67). M–4312 m–3748 Figure 66 Top View 1. Deck Belt 3. Idler nuts 2.

  • Page 48: Replacing The Grass Deflector

    Note: Increase belt tension by lengthening the push arms and decrease belt tension by shortening push arms. Important If the push arm lengths are changed, then the mower deck must be leveled. See Leveling the Mower on page 45. m–3744 Figure 69 1.

  • Page 49: Waste Disposal

    Management and disposal practices must be within relevant federal, state or local laws. Return the switch to your Toro dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. If the switch is damaged or broken open use extreme caution in handling.

  • Page 50: Wiring Diagram

    Wiring Diagram...

  • Page 51: Cleaning And Storage

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

  • Page 52: 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 53 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. Abnormal vibration.

  • 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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Z257 z-master

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