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Toro 74179 Operator's Manual
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Toro 74179 Operator's Manual

Toro 74179 Operator's Manual

With 52" sfs side discharge mower
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See also: Service Manual
Form No. 3328–220 Rev A
Z149 and Z153
Z Master with 52 SFS Side Discharge Mower
Model No. 74179—Serial No. 230000001 and Up
Model No. 74198—Serial No. 230000001 and Up
Operator's Manual
Domestic English (EN)

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Summary of Contents for Toro 74179

  • Page 1 Form No. 3328–220 Rev A Z149 and Z153 Z Master with 52 SFS Side Discharge Mower Model No. 74179—Serial No. 230000001 and Up Model No. 74198—Serial No. 230000001 and Up Operator’s Manual Domestic English (EN)

  • Page 2: Table Of Contents

    ......Checking the Leveling of the Mower Deck ..2002 by The Toro Company 8111 Lyndale Avenue South All Rights Reserved...

  • Page 3: Introduction

    Authorized Service Improper use or maintenance by the operator or owner Dealer or Toro Customer Service and have the model and can result in injury. To reduce the potential for injury, serial numbers of your product ready. Figure 1 illustrates...

  • Page 4: Maintenance And Storage

    Wear appropriate clothing including hard hat, safety Look behind and down before backing up to be sure of glasses and ear protection. Long hair, loose clothing or a clear path. jewelry may get tangled in moving parts. Never carry passengers and keep pets and bystanders Inspect the area where the equipment is to be used and away.

  • Page 5: Slope Operation

    The following list contains safety information specific to Toro products or other safety information that you must know that is not included in the ANSI standards. If a steep slope must be ascended, back up the hill, and...
  • Page 6 Service Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace. Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition. Never tamper with safety devices. Check safety systems for proper operation before each use.

  • Page 7: Slope Chart

    Slope Chart...

  • 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. 1-643401 1-633818 1–653140 43-8480 1–653147 66-1340 1-523552...
  • Page 10 67-5360 65–2690 98-4387 1. Warning—wear hearing protection. 93-1122 98-5954 93-7818 1. Warning—read the Operator’s Manual for instructions on 103–0262 torquing the blade bolt/nut to 115–149 N m (85–110 ft-lb). 104-4163 1. Explosion hazard 4. Wear eye protection 2. No fire, open flames, or 5.
  • Page 11 104-8569 99-3943 1. Engine 103–2644 104-4164 1. Contains lead; do not 4. No sparks, flame, or 6. Flush eyes immediately with 8. Minimum fill line discard. smoking water and get medical help 9. Instructions for activating the fast. 2. Recycle 5.
  • Page 12 99–3942 103-1997...

  • Page 13: Gasoline And Oil

    Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline Gasoline is harmful or fatal if swallowed. may be used if unleaded regular is not available. Long-term exposure to vapors can cause serious injury and illness.

  • Page 14: Setup

    Read before operating the machine. Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro. Installing the Drive Wheels Checking the Tire Pressure 1. Uncrate the mower. Check the air pressure in the front and rear tires (Fig. 2).

  • Page 15: Installing The Seat Retaining Rod

    Installing the Seat Retaining 4. Align the front\rear position of the levers, with each other, in the neutral position. Loosen the hardware and adjust by sliding/tilting the lever(s) forward or backward until they are properly aligned (Fig. 4). 1. Tilt the seat up. Remove the locknut (5/16 inch) from the bolt attaching the seat retaining rod to the seat frame (Fig.

  • Page 16: Activating The Battery

    Activating the Battery Warning Bulk electrolyte with 1.265 specific gravity must be purchased from a local battery supply outlet. Charging battery produces gasses that can explode and cause serious injury. Danger Keep cigarettes, sparks and flames away from battery. Make sure the ignition switch is off. Battery electrolyte contains sulfuric acid which is a Ventilate when charging or using battery in an deadly poison and causes severe burns.

  • Page 17: Checking The Hydraulic Fluid

    Checking the Hydraulic Fluid Checking the Side Discharge Chute Check the hydraulic fluid level before the engine is first started; refer to Checking the Hydraulic Fluid, page 34. Remove the plastic tie holding the side discharge chute up and lower it into place. Greasing the Bearings Checking the Engine Oil Level Important...

  • Page 18: Controls

    Controls Switching the Fuel Tanks The unit has two fuel tanks, one located on the left side and Become familiar with all the controls (Fig. 10) before you one on the right side. Each tank connects to the fuel start the engine and operate the machine. shut-off valve in the control panel.

  • Page 19: Starting And Stopping The Engine

    m–4201 m–2719 Figure 14 Figure 15 m–4121 Figure 13 1. PTO—On 1. Choke—On 2. PTO—Off 2. Choke—Off 1. Parking brake—On 2. Parking brake—Off Starting and Stopping the Engine Starting the Engine 1. Sit down on the seat and move the motion controls to the neutral locked position.

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

    The Safety Interlock System 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 Caution transporting. Make sure to remove the key as the fuel pump may run and cause the battery to lose charge.

  • Page 21: Driving Forward Or Backward

    5. Sitting on the seat, disengage the parking brake, move the PTO switch to Off, and move the motion control levers to the neutral lock position. Try starting the engine; the engine should not crank. Driving Forward or Backward The throttle control regulates the engine speed as measured in RPM (revolutions per minute).

  • Page 22: Adjusting The Height-Of-Cut

    Adjusting the Height-of-Cut 4. Reinstall the stud nut and washer (Fig. 21). 5. Repeat the adjustment on the other gage wheels. The height-of-cut is adjusted from 1-1/2 to 4-1/2 inch (38 to 114 mm) in 1/4 inch (6 mm) increments by relocating the clevis pin in different hole locations.

  • Page 23: Positioning The Seat

    Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. To adjust, move the lever sideways to unlock seat (Fig. 23). 2. Slide the seat to the desired position and release the m–6279 lever to lock the seat in position.

  • Page 24: Transporting The Machine

    Transporting the Machine Warning Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary lighting Loading a unit onto a trailer or truck increases the and marking as required by law. Please carefully read all possibility of backward tip-over and could cause the safety instructions.

  • Page 25: Cutting Speed

    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 26: 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 Check hydraulic fluid level After First Use Change engine oil Change hydraulic filter Check engine oil level Check safety system Each Use Clean cooling systems...

  • Page 27: 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 28: Removing The Blades

    To ensure optimum m–1854 performance and continued safety conformance of the Figure 29 machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may 1. Sharpen at original angle result in non-conformance with safety standards.

  • Page 29: Cleaning The Cooling System

    Installing the Blades Safety Filter: Replace after every 600 operating hours. Note: Check the filters more frequently if operating 1. Install the blade onto the spindle shaft (Fig. 28). conditions are extremely dusty or sandy. Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure Removing the Filters proper cutting.

  • Page 30: Servicing The Engine Oil

    Servicing the Primary Filter Viscosity: See the table below. USE THESE SAE VISCOSITY OILS Check and/or replace it after 200 operating hours. If the primary filter is dirty, bent, or damaged then replace the filter. Do not clean the primary filter. Servicing the Safety Filter Replace it after 600 operating hours.

  • Page 31: Changing The Oil

    Changing the Oil 2. Remove the old filter (Fig. 35). 3. Apply a thin coat of new oil to the rubber gasket on the 1. Start the engine and let it run for five minutes. This replacement filter (Fig. 35). warms the oil so that it drains better.

  • Page 32: Replacing The Fuel Filter

    2. Tighten the spark plug(s) to 16 ft-lb (22 N m). 3. Push the wire(s) onto the spark plug(s) (Fig. 36). Replacing the Fuel Filter Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Never install a dirty filter if it is removed from the fuel line. 1.

  • Page 33: Greasing The Front Caster Pivots

    1. Park the machine on a level surface to ensure that the 3. Connect a grease gun to the fitting. Pump grease into fuel tanks drain completely. Then disengage the power the fittings until grease begins to ooze out of the take off (PTO), set the parking brake, stop the engine, bearings.

  • Page 34: Checking The Tire Pressure

    3. Grease the idler pulley pivot (Fig. 41). 4. Grease the fittings on the push arms (Fig. 41). m–1872 Figure 42 1. Valve stem Servicing the Hydraulic System Checking the Hydraulic Fluid M–4159 Check the hydraulic fluid level before engine is first started.
  • Page 35 6. Recheck the fluid level while the fluid is warm. If Replacing the Hydraulic Filter required, add fluid to the reservoir until it reaches the Change the hydraulic filter: hot level of the baffle. After the first 8 operating hours. Note: The fluid level should be to the top of the hot level of the baffle, when the fluid is warm (Fig.

  • Page 36: Adjusting The Handle Neutral

    8. If there is no fluid, add fluid to the reservoir to Checking the Hydraulic Lines approximately 1/4 inch (6 mm) below the top of the After every 100 operating hours, check the hydraulic lines baffle. and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration.
  • Page 37 5. Check where the control lever is relative to notch in console (Fig. 46). It should be centered allowing lever to pivot outward to the neutral lock position. m–6282 Figure 46 1. Neutral locked position 3. Neutral potion 2. Control lever 6.

  • Page 38: Setting The Hydraulic Pump Neutral

    Setting the Hydraulic Pump 3. Move motion control lever forward and reverse, then back to neutral. Wheel must stop turning or slightly Neutral creep in reverse. 4. Open throttle to fast. Make sure wheel remains stopped Note: Adjust handle neutral first. That has to be correct or slightly creeps in reverse, adjust if necessary.

  • Page 39: Adjusting The Tracking

    6. Tighten the nuts at the ball joints (Fig. 47). 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.

  • Page 40: Checking The Wheel Hub Slotted Nut

    Checking the Wheel Hub 4. Raise the deck to the transport position (Fig. 52). Take force off of the two large deck lift springs by loosening Slotted Nut the jam nut and front spring nut, in front of each spring, as far as possible (Fig.

  • Page 41: Adjusting The Push Arms

    10. Adjust the front swivel using the rear locking nut until 2. Adjust each side the same amount. Each push arm the front chain is tight and the front of the deck is still should have a nominal length of 15-5/16 inch (389 mm) touching the block.

  • Page 42: Replacing The Pump Drive Belt

    1. Stop the engine, set the parking brake, remove the key, and disconnect the spark plug wire(s) from the spark plug(s). 2. Remove the belt covers over the outside spindles. 3. Loosen the outer nut on the spring eye bolt (Fig. 55). M–4159 Figure 56 Top View...

  • Page 43: Adjusting The Parking Brake

    m–4119 Figure 57 M–4120 1. Clutch strap 4. Belt Figure 58 2. Bolt 5. Idler 1. Brake lever 4. Collar on brake rod 3. Clutch electrical wire 6. Clutch 2. Spring, 2-3/4 inch 5. 3/16–1/4 inch (5–7 mm) (74 mm) 6.

  • Page 44: Servicing The Battery

    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 skin, eyes or clothing. Wear safety glasses to known to the State of California to cause cancer shield your eyes and robber gloves to protect and reproductive harm.

  • Page 45: Removing The Battery

    Warning Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. Always Reconnect the positive (red) battery cable before reconnecting the negative (black) cable.

  • Page 46: Charging The Battery

    Charging the Battery Replacing the Grass Deflector Warning Warning Charging the battery produces gasses that can An uncovered discharge opening could allow the explode. lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Never smoke near the battery and keep sparks and Also, contact with the blade could occur.

  • Page 47: Waste Disposal

    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 48: Wiring Diagram

    Wiring Diagram...

  • Page 49: 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 50: 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 51 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 52: 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.

This manual is also suitable for:

74198Z149 z masterZ153 z master

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