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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. 3327–659
Z149 and Z153
Z Master with 52 SFS Side Discharge Mower
Model No. 74179—Serial No. 220000389 and Up
Model No. 74198—Serial No. 220000327 and Up
Operator's Manual
Domestic English (EN)

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Summary of Contents for Toro 74179

  • Page 1 Form No. 3327–659 Z149 and Z153 Z Master with 52 SFS Side Discharge Mower Model No. 74179—Serial No. 220000389 and Up Model No. 74198—Serial No. 220000327 and Up Operator’s Manual Domestic English (EN)

  • Page 2: Table Of Contents

    ..... . . Checking the Side Discharge Chute ... . 2002 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: 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: Toro Mower Safety

    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. 1-633818 1-643401 1–653140 43-8480 1–653147 54-9220 1-523552...
  • Page 10 98-4387 1. Warning—wear hearing protection. 66-1340 98-5954 67-5360 93-7818 1. Warning—read the Operator’s Manual for instructions on torquing the blade bolt/nut to 115–149 N m (85–110 ft.-lb.). 99–3924 98-3798...
  • Page 11 104-8172 99-3943 104-8569 1. Engine 65–2690 103–0262 104-4163 1. Explosion hazard 4. Wear eye protection 2. No fire, open flames, or 5. Read the Operator’s Manual. smoking. 3. Caustic liquid/chemical 6. Keep bystanders a safe 103–2644 burn hazard distance from the battery. 99–3942...
  • Page 12 103-1997 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. Sulfuric acid can cause battery blindness or severe burns.

  • 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 in.) 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 Leveling Of The Mower Deck

    Checking the Leveling of the Controls Mower Deck Become familiar with all the controls (Fig. 9) before you start the engine and operate the machine. Check the level of the deck before the machine is first put into use. Refer to Adjusting the Mower Level, page 38, in the Maintenance section.

  • Page 18: Operating The Parking Brake

    Switching the Fuel Tanks The unit has two fuel tanks, one located on the left side and one on the right side. Each tank connects to the fuel shut-off valve in the control panel. From there a common fuel line leads to the engine (Fig. 11). To use the right side fuel tank, rotate the fuel shut-off valve 1/4 turn to the right from the off location.

  • Page 19: Operating The Power Take Off (Pto)

    Important Make sure fuel shut off valve is closed before transporting or storing machine, as fuel leakage may occur. Set parking brake before transporting. Operating the Power Take Off (PTO) The power take off (PTO) switch engages and disengages power to the electric clutch. m–4201 m–2719 Figure 13...

  • Page 20: The Safety Interlock System

    The Safety Interlock System 3. Sitting on the seat, engage the parking brake, move the PTO to Off, and lock the motion control levers in neutral. Now start the engine. While the engine is Caution running, release the parking brake, engage the PTO and rise slightly from the seat;...

  • Page 21: Stopping The Machine

    The farther you move the traction control levers in either Adjusting the Height-of-Cut direction, the faster the machine will move in that direction. The height-of-cut is adjusted from 1-1/2 to 4-1/2 in. (38 to To stop, pull the motion control levers to neutral. 114 mm) in 1/4 in.

  • Page 22: Positioning The Seat

    4. Reinstall the stud nut and washer (Fig. 20). Positioning the Seat 5. Repeat the adjustment on the other gage wheels. The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable.

  • Page 23: Pushing The Machine By Hand

    Pushing the Machine by Hand Operating with Side Discharge The mower has a hinged grass deflector that disperses Important Always push the machine by hand. Never clippings to the side and down toward the turf. tow the machine because hydraulic damage may occur. Danger To Push the Machine 1.

  • 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 28 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 Servicing the Air Cleaner 1. Install the blade onto the spindle shaft (Fig. 27). Foam Element: Clean and oil after every 25 operating hours. Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure Paper Element: Clean after every 100 operating hours.

  • Page 30: Servicing The Engine Oil

    Cleaning the Foam Element Installing the Foam and Paper Elements 1. Wash the foam element in liquid soap and warm water. Important To prevent engine damage, always operate When the element is clean, rinse it thoroughly. the engine with the complete foam and paper air cleaner assembly installed.

  • Page 31: Changing The Oil Filter

    4. Slide the oil dipstick fully into the filler tube. Do not thread it onto the tube (Fig. 34). Pull the dipstick out and look at the end. If the oil level is low, slowly pour only enough oil into the filler tube to raise the level to the full mark.

  • Page 32: Servicing The Spark Plug

    Servicing the Spark Plug Checking the Spark Plug Clean or replace the spark plug and set the gap every 100 Check the spark plug(s) after every 100 operating hours. hours. Make sure that the air gap between the center and side electrodes is correct before installing the spark plug.

  • Page 33: Replacing The Fuel Filter

    Replacing the Fuel Filter 2. Close the fuel shut-off valve (Fig. 40). 3. Loosen the hose clamp at the fuel filter and slide it up Replace the fuel filter after every 200 operating hours or the fuel line away from the fuel filter (Fig. 40). yearly, whichever occurs first.

  • Page 34: Checking The Tire Pressure

    Where to Add Grease Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Fig. 41). M–4159 Figure 42 Where to Add Light Oil or Spray Lubrication Figure 41 Lubricate the machine in the following areas with spray type lubricant or light oil.

  • Page 35: Servicing The Hydraulic System

    m–1872 Figure 43 1. Valve stem m–5615 Figure 44 1. Cap 3. Cold fluid level—full Servicing the Hydraulic System 2. Baffle 4. Hot fluid level—full Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first Warning started. Check the hydraulic fluid level after first 8 operating hours.

  • Page 36: Bleeding The Hydraulic System

    3. Place a drain pan under the filter, remove the old filter, 10. Start the engine and let it run for about two minutes to and wipe the filter adapter gasket surface clean purge air from the system. Stop the engine and check (Fig.

  • Page 37: Adjusting The Motion Controls

    Adjusting the Motion Controls Adjusting the Hydraulic Pump Neutral Note: Adjust the handle neutral first. That has to be correct Adjusting the Handle Neutral before the following adjustment can be made. If the motion control levers do not align, or move easily into the console notch, an adjustment is required.

  • Page 38: Adjusting The Castor Pivot Bearing

    Checking the Wheel Hub Warning Slotted Nut Electrical system will not perform proper safety Check after every 500 operating hours. shut off with jumper wire installed. The slotted nut needs to be torqued to 125 ft.-lb. (170 N m). Remove jumper wire from wire harness 1.

  • Page 39: Adjusting The Push Arms

    5. Place 2 thick blocks (1-1/4 in. [35 mm]) under the rear left and right lower edge of the mower. Place 1 block (1-3/8 in. [44 mm]) under the front center lower edge of the mower, not under the anti-scalp roller brackets. Lower the mower to the 1-1/2 in.

  • Page 40: Cleaning Under The Deck

    Note: Increase the tension by lengthening the push arms 1. Stop the engine, set the parking brake, remove the key, and decrease the tension by shortening the push arms. and disconnect the spark plug wire(s) from the spark plug(s). 2. Remove the belt covers over the outside spindles. 3.

  • Page 41: Replacing The Pump Drive Belt

    M–4159 m–4119 Figure 54 Figure 55 Top View 1. Clutch strap 4. Belt 2. Bolt 5. Idler 1. Deck belt 4. Spring 3. Clutch electrical wire 6. Clutch 2. Idler arm 5. Idler pulley 3. Outside pulley Adjusting the Parking Brake Replacing the Pump Drive Belt Check the parking brake for proper adjustment.

  • Page 42: Servicing The Fuses

    Servicing the Battery Warning Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. Checking Electrolyte Level M–4120 Figure 56 1. With the engine off, open the hood to locate the battery. 1.

  • Page 43: Installing The Battery

    Installing the Battery Removing the Battery 1. Position battery in tray with terminal posts toward the Warning engine (Fig. 59). 2. First, install the positive (red) battery cable to positive Battery terminals or metal tools could short (+) battery terminal. against metal machine components causing sparks.

  • Page 44: Replacing The Grass Deflector

    Note: Never fill the battery with distilled water while the battery installed in the machine. Electrolyte could be spilled on other parts and cause corrosion. 3. Remove the vent caps from the battery (Fig. 58). 4. Slowly pour distilled water into each battery cell until the level is up to the upper line (Fig.

  • Page 45: 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 46: Wiring Diagram

    Wiring Diagram...

  • Page 47: 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 48: 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 49 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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