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Toro 30074 Operator's Manual
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Toro 30074 Operator's Manual

Commercial walk-behind mower floating deck, t-bar, gear drive with 36in or 48in turbo force cutting unit
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Original Instructions (EN)
Commercial Walk-Behind Mower
Floating Deck, T-Bar, Gear Drive with 36in or
48in TURBO FORCE
Model No. 30074—Serial No. 313000001 and Up
Model No. 30078—Serial No. 313000001 and Up
Model No. 39074—Serial No. 313000001 and Up
Model No. 39078—Serial No. 313000001 and Up
Form No. 3376-433 Rev A
®

Cutting Unit

g014793
*3376-433* A

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Summary of Contents for Toro 30074

  • Page 1: Cutting Unit

    Floating Deck, T-Bar, Gear Drive with 36in or 48in TURBO FORCE ® Cutting Unit Model No. 30074—Serial No. 313000001 and Up Model No. 30078—Serial No. 313000001 and Up Model No. 39074—Serial No. 313000001 and Up Model No. 39078—Serial No. 313000001 and Up...

  • Page 2: Introduction

    You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product.

  • Page 3: Table Of Contents

    Safety ................4 Replacing the Mower Belt ........33 Safe Operating Practices........... 4 Replacing the PTO Drive Belt ........34 Toro Mower Safety ..........5 Adjusting the PTO Drive Belt Idler Spring Slope Indicator ............6 Anchor..............35 Safety and Instructional Decals ......... 7 Mower Deck Maintenance...........36...

  • Page 4: Safety

    Operation Safety • Lightning can cause severe injury or death. If lightning Note: The addition of attachments made by other is seen or thunder is heard in the area, do not operate manufacturers that do not meet American National Standards the machine;...

  • Page 5: Toro Mower Safety

    • Check brake operation frequently. Adjust and service as The following list contains safety information specific to Toro required. products and other safety information you must know. This product is capable of amputating hands and feet and throwing objects.

  • Page 6: 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 7: 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. 82-2290 1-403005 98-0776 98-3256 52-2010 98-4387 1. Warning—wear hearing protection. 66-1340 98-5954 68-8340...
  • Page 8 110-2067 104-8186 48 inch mower 104-8569 110-2068 1. Read the Operator's Manual. 117–2718 105-7798 106-0635 106-0699 105-0884...

  • Page 9: Product Overview

    110-4971 1. Engine—stop 2. Engine—Start 3. Engage bale then pull out on the PTO to engage the blade. Product Overview Controls Become familiar with all the controls (Figure 5) before you start the engine and operate the machine. g014794 Figure 4 Figure 5 1.

  • Page 10: Specifications

    Contact your Authorized Service Dealer or Shift transmission to reverse and squeeze the lower control Distributor or go to www.Toro.com for a list of all approved bar and handle together to engage rearward traction assist attachments and accessories.

  • Page 11: Operation

    Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can be released causing a spark which from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can Adding Fuel damage property.

  • Page 12: Checking The Engine Oil Level

    Filling the Fuel Tank 2. Lift the parking brake lock (Figure 7) up and gradually release the upper control bar. The brake lock should 1. Shut the engine off and set the parking brake. stay in the set (locked) position. 2.

  • Page 13: Operating The Mower Power Take Off (Pto)

    3. Turn the ignition key to off (Figure 8). Figure 9 Figure 8 1. Upper control bar 3. Power take off switch (PTO) 1. Throttle lever 2. Ignition key 2. Blade control bail 4. Set the parking brake and remove key. Disengaging the Mower Blades (PTO) 5.

  • Page 14: Driving Forward Or Backward

    Note: If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. 1. Set the parking brake and start the engine; refer to Starting and Stopping the Engine. 2. Squeeze the blade control bail against upper control bar.

  • Page 15: Stopping The Machine

    Stopping the Machine 5. Drive the machine until drive wheels contact the curb (Figure 11). To stop the machine, pull back on the upper control bar, 6. Lower the front of the machine (Figure 11). release the blade control bail, and turn the ignition key to off.

  • Page 16: Side Discharging Or Mulching The Grass

    Side Discharging or Mulching the Grass This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris.

  • Page 17: Adjusting The Handle Height

    Figure 16 36 inch Mower Deck Figure 14 1. Mower deck 4. Anti-scalp rollers 48 inch Mower Decks 2. Bolt 5. Nut 3. Spacer 1. Mower deck 4. Anti-scalp rollers 2. Bolt 5. Nut 5. In certain mowing conditions and terrain, a mismatch 3.

  • Page 18: Adjusting The Flow Baffle

    g012676 Figure 19 Figure 18 1. Slot 2. Nut 1. Upper handle 5. Upper mounting hole 2. Rear frame 6. Lower mounting holes 3. Flange nut, (3/8 inch) 7. Low position Positioning the Flow Baffle 4. Flange bolt, (3/8 x 1 inch) 8.

  • Page 19: Using The Mid-Size Weight

    Position B Using the Mid-Size Weight Use this position when bagging (Figure 21). Weights are installed on certain mowers to improve balance and improve performance. The weights can be moved or removed to create optimized performance under different mowing conditions and for operator preference (Figure 23 or Figure 24).
  • Page 20 Figure 24 Installing the rear weight. 1. Nut 3. Washer 2. Weight 4. Bolt...

  • Page 21: 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 safety interlock system. •...

  • Page 22: Lubrication

    Lubrication Note: Make sure the rear wheel grease caps are removed before lubricating rear wheels. Grease with No. 2 general purpose lithium base or molybdenum base grease. Greasing the Transmission Couplers How to Grease Service Interval: Every 250 hours 1. Disengage the PTO and set the parking brake. Lubricate the transmission couplers located in the back of 2.

  • Page 23: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner Service Interval/Specification Service Interval: Every 25 hours—Clean foam air cleaner element. Every 50 hours—Check the paper air cleaner element. Every 200 hours—Replace the paper air cleaner element. Note: Service the air cleaner more frequently (every few operating hours) if the operating conditions are extremely g014655 dusty or sandy.

  • Page 24: Servicing The Engine Oil

    Cleaning the Foam Air Cleaner Element 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it is torn or worn.

  • Page 25: 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 26: Servicing The Spark Plugs

    Servicing the Spark Plugs Service Interval/Specification Service Interval: Every 100 hours—Check the spark plugs. Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plugs and a gapping tool/feeler gauge to check and adjust the air gap.

  • Page 27: Fuel System Maintenance

    Replacing the Fuel Filter Fuel System Maintenance Service Interval: Every 200 hours Never install a dirty filter if it is removed from the fuel line. Draining the Fuel Tank Note: Note how the fuel filter is installed. Note: Wipe up any spilled fuel. DANGER 1.

  • Page 28: Electrical System Maintenance

    Electrical System Drive System Maintenance Maintenance Servicing the Fuse Adjusting the Control Bar 1. Check the gap between upper control bar and fixed The electrical system is protected by a fuse. It requires no bar with wheel drive fully engaged. The gap should be maintenance.

  • Page 29: Checking The Tire Pressure

    Replacing the Caster Wheel Fork Bushings The caster wheel forks are mounted in bushings pressed into the top and bottom of the carrier frame mounting pivot tubes. To check the bushings, move the caster forks back and forth and side-to-side. If a caster fork is loose, the bushings are worn and must be replaced.

  • Page 30: Servicing The Caster Wheel And Bearings

    Figure 43 Figure 44 1. Mounting Tube 2. Bushing 1. Locknut 4. Spanner Bushing 2. Cap 5. Wheel 5. Grease the inside and outside of the new bushings. Use 3. Roller Bearing 6. Bushing a hammer and flat plate to carefully drive the bushings into the pivot tubes.

  • Page 31: Cooling System Maintenance

    Cooling System 4. Check each slot again and make slight adjustments until the feeler gauge between the rotor and armature with Maintenance very slight contact between them. Cleaning the Air Intake Screen Service Interval: Before each use or daily Remove any build-up of grass, dirt or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor-governor levers and linkage.

  • Page 32: Brake Maintenance

    Brake Maintenance Servicing the Brakes Service Interval: Before each use or daily—Check the brakes on both a level surface and slope. Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, an adjustment is required.

  • Page 33: Belt Maintenance

    Belt Maintenance 5. Disconnect clutch wire connector from wire harness. 6. Disconnect clutch retainer from the engine deck (Figure 48). Replacing the Traction Drive Belt Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the traction drive belt Look for cracks, wear, and signs of overheating. 1.

  • Page 34: Replacing The Pto Drive Belt

    7. Install the new mower belt around the two outside spindle pulleys, the idler pulley, and in the lower groove of the double spindle pulley (Figure 49 or Figure 50). 8. Connect the idler arm spring (Figure 49 or Figure 50). 9.

  • Page 35: Adjusting The Pto Drive Belt Idler Spring Anchor

    Refer to Figure 52 to roll the new belt onto the left pulley for a 36 inch mower deck. 10. Install the heat shield to the engine deck and carrier frame. 11. Adjust the belt guide an 1/8 inch (3 mm) from the belt for 48 inch mower decks (Figure 51).

  • Page 36: Mower Deck Maintenance

    Mower Deck Checking for Bent Blades 1. Disengage the PTO, move the motion control levers to Maintenance 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. Servicing the Cutting Blades 3.

  • Page 37: Removing The Blades

    Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.

  • Page 38: Correcting The Mower Quality Of Cut

    Frame Set Up Checking the Carrier Frame and Engine Deck Alignment Figure 60 Note: Misalignment can cause excess wear on the PTO 1. Blade 2. Balancer drive belt. 1. Disengage the PTO and set the parking brake. Installing the Blades 2.
  • Page 39 Checking the Engine Deck Height 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. 3. Adjust the tire pressure in the rear tires to specifications; refer to Drive System Maintenance (page 28) .

  • Page 40: Checking The Mower Deck Front-To-Rear Pitch

    Figure 66 Figure 64 36 inch Mower Deck shown 1. Caster Wheel 4. Same height at locations A and B 2. Carrier Frame 5. Caster spacers Changing the Mower Deck 3. Front height-of-cut pins Front-to-Rear Pitch Checking the Mower Deck Changing the front-to-rear pitch is done by adjusting the front height-of-cut posts.

  • Page 41: Checking The Mower Deck Side-To-Side Height

    Checking the Mower Deck Changing the Mower Deck Side-to-Side Height Side-to-Side Height 1. Adjust the rear tire pressure to specifications; refer to Changing the side-to-side height is done by adjusting the rear Drive System Maintenance (page 28) . tire pressure and caster spacers. 2.

  • Page 42: Replacing The Grass Deflector

    Figure 71 g015594 36 inch Mower Deck shown Figure 72 1. Bolt 5. Spring installed 4. The measurement should be 4 inch (101.6 mm). 2. Spacer 6. Grass Deflector 3. Locknut 7. J hook end of spring 5. If it does not measure correctly: 4.

  • Page 43: Storage

    Storage 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 Cleaning and Storage it and keep it clean. 1.

  • Page 44: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action Engine will not start, starts hard, or fails 1. Fuel tank is empty. 1. Fill fuel tank with gasoline. to keep running. 2. Choke is not on. 2. Move the choke lever to choke position. 3.
  • Page 45 Problem Possible Cause Corrective Action Blades do not rotate. 1. Drive belt is worn, loose or broken. 1. Check the belt tension. 2. Drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position.

  • Page 46: Schematics

    Schematics Electrical Schematic (Rev. A)
  • 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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