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Toro 30672 Operator's Manual

Commercial walk-behind mower
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Original Instructions (EN)
Commercial Walk-Behind Mower
Fixed Deck, T-Bar, Gear Drive with 32in, 36in,
or 48in Cutting Unit
Model No. 30672—Serial No. 313000001 and Up
Model No. 30674—Serial No. 313000001 and Up
Model No. 30678—Serial No. 313000001 and Up
Model No. 39674—Serial No. 313000001 and Up
Form No. 3377-506 Rev A
G017538
*3377-506* A

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Summary of Contents for Toro 30672

  • Page 1 Commercial Walk-Behind Mower Fixed Deck, T-Bar, Gear Drive with 32in, 36in, or 48in Cutting Unit Model No. 30672—Serial No. 313000001 and Up Model No. 30674—Serial No. 313000001 and Up Model No. 30678—Serial No. 313000001 and Up Model No. 39674—Serial No. 313000001 and Up...

  • Page 2: Figure 1

    It is a violation of California Public Resource Code Section 4442 to use or operate You may contact Toro directly at www.Toro.com for product the engine on any forest-covered, brush-covered, or and accessory information, help finding a dealer, or to register grass-covered land.

  • Page 3: Table Of Contents

    Figure 2 Safety ................4 Safe Operating Practices........... 4 1. Safety alert symbol Toro Mower Safety ..........6 Slope Indicator ............7 This manual uses 2 other words to highlight information. Safety and Instructional Decals ......... 8 Important calls attention to special mechanical information Product Overview ............11...

  • Page 4: Safety

    Safety Adjusting the Blade Brake........39 Replacing the Grass Deflector ........40 Storage ................40 Note: The addition of attachments made by other Troubleshooting ............42 manufacturers that do not meet American National Standards Schematics ..............44 Institute certification will cause noncompliance of this machine. Improper use or maintenance by the operator or owner can result in injury.

  • Page 5: Maintenance And Storage

    • • Only operate in good light, keeping away from holes and Never refuel the machine indoors. hidden hazards. • Never store the fuel container where there is an open • Be sure all drives are in neutral and parking brake is flame, spark, or pilot light such as on a water heater or engaged before starting engine.

  • Page 6: Toro Mower Safety

    Service • Never store the machine or fuel container inside where The following list contains safety information specific to Toro there is an open flame, such as near a water heater or products and other safety information you must know.

  • Page 7: Slope Indicator

    Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 20 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 20 degrees. Fold along the appropriate line to match the recommended slope.

  • 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. 1-403005 95-5537 1. Read the Operator's 3. Pull back to disengage Manual for instructions on operating the cutting blade 2.
  • Page 9 98-3266 99-3943 For Model with 3–Blade Mower Decks 1. Engine 98-4387 1. Warning—wear hearing protection. 104-8569 98-5130 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 75-80 ft-lb (102-106 N⋅m). 106-0699 98-5954 103–2076 98-3296 For Models with 2–Blade Mower Decks 110-2067...
  • Page 10 Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 110-2068 1. Read the Operator's Manual. 117–2718 (Model 39674 only) 105-0884 110-6916...

  • Page 11: Product Overview

    Product Overview G017539 Figure 4 1. Side discharge 5. T-bar control 2. Mower deck 6. Handle Figure 5 3. Recoil starter 7. Front caster wheel 1. Throttle control 7. Parking brake 4. Gas tank lever-released position 2. Blade control bail 8.

  • Page 12: Specifications

    Contact your Authorized Service Dealer or Choke Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Use the choke to start a cold engine.

  • Page 13: Operation

    Operation DANGER In certain conditions during fueling, static Adding Fuel electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion • For best results, use only clean, fresh, unleaded gasoline from gasoline can burn you and others and can with an octane rating of 87 or higher ((R+M)/2 rating damage property.

  • Page 14: Think Safety First

    Setting the Parking Brake of varnish deposits in the fuel system, use fuel stabilizer at all times. 1. Pull the upper control bar rearward and hold it in this position (Figure 7). Filling the Fuel Tank 2. Lift the parking brake lock up and gradually release the upper control bar.

  • Page 15: Operating The Blade Control Lever (Pto)

    Operating the Blade Control Important: Do not pull the recoil rope to its limit or release the starter handle when you pull out Lever (PTO) the rope because the rope may break or the recoil assembly may be damaged. The blade control lever (PTO) engages and disengages power 10.

  • Page 16: The Safety Interlock System

    The Safety Interlock System 3. Slowly press on the upper control bar to move forward (Figure 10). CAUTION To go straight, apply equal pressure to both ends of the upper control bar (Figure 10). If safety interlock switches are disconnected or To turn, release pressure on the upper control bar side damaged the machine could operate unexpectedly in the direction you want to turn (Figure 10).

  • Page 17: Stopping The Machine

    2. Select first gear to drive the machine. 3. Drive machine until the castor wheels contact curb (Figure 11). 4. Lift the front of the machine by pushing down on the lower handle (Figure 11). 5. Drive the machine until drive wheels contact the curb (Figure 11).

  • Page 18: Adjusting The Flow Baffle

    Adjusting the Flow Baffle The mower discharge flow can be adjusted for different types of mowing conditions. Position the baffle to give the best quality of cut. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2.

  • Page 19: Side Discharging Or Mulching The Grass

    height in any axle position. Use the same number of blade spacers on all blades to achieve a level cut (2 above and 2 below, 1 above and 3 below, etc.). 1. Disengage the blade control (PTO) lever and set the parking brakes.

  • Page 20: Adjusting The Handle Height

    2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Loosen, but do not remove, the 2 axle pivot bolts and the 2 axle adjustment bolts (Figure 18). Figure 19 1. Latch pin 3.

  • Page 21: Adjusting The Control Rods

    Figure 21 1. Upper handle 4. Lock nut (3/8 inch) g018809 5. Upper mounting hole 2. Rear frame Figure 22 3. Flange bolt (3/8 x 1 inch) 6. Lower mounting hole 4. Upper control bar 1. 25-32 mm (1 to 1-1/4 inches) gap 3.

  • Page 22: Height Of Cut Chart

    Height of Cut Chart Number of spacers Number of 1/4 inch blade spacers below spindle below caster 13 mm (1/2 5 mm (3/16 inch ) inch) Axle Position 26 mm (1 32 mm 38 mm 45 mm 51 mm (2 inch) (1–1/4 inch) (1–1/2 inch)

  • Page 23: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 8 hours • Check the mower belt tension. •...

  • Page 24: Lubrication

    Lubrication Grease with No. 2 general purpose lithium base or molybdenum base grease. How to Grease 1. Disengage the PTO 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. Figure 24 3.

  • Page 25: Engine Maintenance

    Crankcase Capacity: 1.7 liter (58 ounces) with the filter removed; 1.5 liter (51 ounces) without the filter removed Viscosity: Refer to the table (Figure 28). Toro Premium Engine Oil is available from your Authorized Toro Dealer. Figure 27 1. Cover 3.

  • Page 26: Changing The Engine Oil

    Changing the Engine Oil 1. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. 2. Disengage the PTO and set the parking brake. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

  • Page 27: Servicing The Spark Plugs

    Figure 31 1. Oil filter 2. Adapter Figure 32 1. Spark-plug wire/spark plug 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 31). 4. Clean around the spark plugs to prevent dirt from 4.

  • Page 28: Fuel System Maintenance

    Installing the Spark Plugs Fuel System 1. Install the spark plugs and the metal washer. Ensure Maintenance that the air gap is set correctly. 2. Tighten the spark plugs to 22 N-m (16 ft-lb). Servicing the Fuel System 3. Connect the wires to the spark plugs (Figure 33). DANGER In certain conditions, gasoline is extremely flammable and highly explosive.

  • Page 29: Replacing The Fuel Filter

    Replacing the Fuel Filter Servicing the Fuel Vent System Service Interval: Every 200 hours/Yearly (whichever comes Service Interval: Every 200 hours/Yearly (whichever comes first) first) 1. Disengage the PTO and set the parking brake. Never install a dirty filter if it is removed from the fuel line. 2.

  • Page 30: Drive System Maintenance

    Drive System Cooling System Maintenance Maintenance Checking the Tire Pressure Cleaning the Air Intake Screen Service Interval: Every 50 hours/Monthly (whichever Before each use remove any build-up of grass, dirt or other comes first) debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor-governor Maintain the air pressure in the rear tires at 83-97 kPa (12-14 levers and linkage.

  • Page 31: Brake Maintenance

    Brake Maintenance 3. Check the brake before you adjust it; refer to Checking the Brakes. 4. Release the parking brake; refer to Releasing the Servicing the Brakes Parking Brake in Operation. 5. To adjust the brake, rotate the wing nuts on the brake Before each use, check brakes on both a level surface and rods (Figure 39).

  • Page 32: Belt Maintenance

    Belt Maintenance Checking the Belts Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts. Check belts for cracks, frayed edges, burn marks, wear, signs of overheating or any other damage. Replace damaged belts. Replacing the Traction Drive Belt Figure 41 1.
  • Page 33 8. Engage the blade control (PTO) lever. 9. Check the clearance between the bell crank and the transmission output shaft (Figure 42). Figure 42 Figure 43 1. 2-3 mm (1/16-1/8 inch) 4. Hairpin cotter 32in and 36in Mower Deck 2. Bell crank 5.

  • Page 34: Adjusting The Mower Belt Tension

    Adjusting the Mower Belt Tension Adjusting the Tension for 32in and 36in Mower Decks Service Interval: After the first 8 hours—Check the mower belt tension. After the first 25 hours—Check the mower belt tension. Every 50 hours—Check the mower belt tension. Important: The brake needs to be adjusted when the belt tension or the brake linkage is adjusted.
  • Page 35 positioned to the middle or front hole (Figure 48). Use the hole that will give the correct adjustment. When the idler pulley is moved the belt guide must be moved. Move the belt guide to the front position (Figure 48). g017651 Figure 46 Figure 48...
  • Page 36 Adjusting the PTO Engagement Linkage The PTO engagement linkage adjustment is located beneath the front left hand corner of the engine deck. 1. Disengage the blade control (PTO) lever and set the parking brakes. 2. Stop the engine and wait for all moving parts to stop before leaving the operating position.

  • Page 37: Mower Deck Maintenance

    Mower Deck Maintenance Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. WARNING g017650 Figure 52 A worn or damaged blade can break, and a piece of the blade could be thrown into the operator's 1.

  • Page 38: Removing The Blades

    To ensure optimum performance and continued safety conformance of the machine, use genuine Figure 54 Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. 1. Hold the blade bolt with a wrench.

  • Page 39: Adjusting The Blade Brake

    Sharpening the Blades Adjusting the Blade Brake 1. Use a file to sharpen the cutting edge at both ends of 1. Disengage the PTO, turn the ignition key to off, and the blade (Figure 58). Maintain the original angle. The remove the key.

  • Page 40: Replacing The Grass Deflector

    Replacing the Grass Deflector Storage WARNING 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. An uncovered discharge opening could allow the 2. Remove grass clippings, dirt, and grime from the lawn mower to throw objects in the operator's or external parts of the entire machine, especially the bystander's direction and result in serious injury.
  • Page 41 12. Store the machine in a clean, dry garage or storage area. Remove the key from the ignition switch and keep it in a memorable place. Cover the machine to protect it and keep it clean.

  • Page 42: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The engine will not start, starts hard, or 1. The fuel tank is empty. 1. Fill the fuel tank with gasoline. fails to keep running. 2. The fuel shut off valve is closed. 2. Open the fuel shut off valve. 3.
  • Page 43 Problem Possible Cause Corrective Action The blades do not rotate. 1. The mower deck belt is worn or loose. 1. Check the belt tension. 2. The mower deck belt is broken. 2. Install a new deck belt. 3. The mower deck belt is off pulley. 3.

  • Page 44: Schematics

    Schematics Electrical Schematic (Rev. -A)
  • Page 45 Notes:...
  • Page 46 Notes:...
  • Page 47 Notes:...
  • Page 48 Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. 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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