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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. 315000001 and Up
Model No. 30078—Serial No. 315000001 and Up
Model No. 39074—Serial No. 315000001 and Up
Model No. 39078—Serial No. 315000001 and Up
Form No. 3392-458 Rev A
®
Cutting Unit
g014793
*3392-458* A
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Table of Contents
Related Manuals for Toro 30074
Summary of Contents for Toro 30074
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Page 1: Cutting Unit
Floating Deck, T-Bar, Gear Drive with 36in or 48in TURBO FORCE ® Cutting Unit Model No. 30074—Serial No. 315000001 and Up Model No. 30078—Serial No. 315000001 and Up Model No. 39074—Serial No. 315000001 and Up Model No. 39078—Serial No. 315000001 and Up... - Page 2 You are responsible for operating the attention. 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. Whenever you need service, genuine Toro parts, or additional...
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Page 3: Table Of Contents
Replacing the Transmission Belt .......35 Safety ................4 Replacing the Mower Belt ........35 Safe Operating Practices........... 4 Replacing the PTO-Drive Belt........36 Toro Mower Safety ..........5 Adjusting the PTO-Drive-Belt-Idler-Spring Slope Indicator ............6 Anchor..............37 Safety and Instructional Decals ......... 7 Mower Deck Maintenance...........38... -
Page 4: Safety
Safety • Never run an engine in an enclosed area. • Only operate in good light, keeping away from holes and hidden hazards. Note: The addition of attachments made by other • manufacturers that do not meet American National Standards Be sure all drives are in neutral and parking brake is Institute certification will cause noncompliance of this engaged before starting engine. -
Page 5: Toro Mower Safety
Toro Mower Safety • Never fill containers inside a vehicle or on a truck or The following list contains safety information specific to Toro trailer bed with a plastic liner. Always place containers on products and other safety information you must know. -
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. Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. - Page 8 98-4387 106-5517 1. Warning—wear hearing protection. 1. Warning—do not touch the hot surface. 104-8186 48 inch mower 106-5519 5. Thrown object hazard, raised 1. Severing hazard of hand or foot, mower 3. Warning—read the Operator's Manual. blade—stay away from moving parts. baffle—lower the baffle before using the machine.
- Page 9 126-1400 1. Warning-Read the Operator’s manual. Use only Toro riding attachments. Use of other riding attachments may create a hazardous condition resulting in injury. 112-8760 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Cutting/dismemberment of hand or foot—stay away from moving parts.
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Page 10: Product Overview
Product Overview g014794 Figure 4 131-1180 1. Side discharge chute 5. Controls 2. Mower deck 6. Handle 3. Recoil starter 7. Caster wheel 4. Gas tank... -
Page 11: Controls
Controls Upper Control Bar Shift to the desired gear and push forward on the upper Become familiar with all the controls (Figure 5) before you control bar to engage forward traction operation and pull start the engine and operate the machine. back to brake forward movement. -
Page 12: Specifications
Contact your Authorized Service Dealer or DANGER Distributor or go to www.Toro.com for a list of all approved attachments and accessories. In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. -
Page 13: Checking The Engine-Oil Level
of varnish deposits in the fuel system, use fuel stabilizer DANGER at all times. In certain conditions during fueling, static electricity can be released causing a spark which Filling the Fuel Tank can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can 1. -
Page 14: Starting And Stopping The Engine
Setting the Parking Brake Stopping the Engine 1. Pull the upper control bar (Figure 7) rearward and hold 1. Move the throttle lever to the slow position (Figure it in this position. 2. Let engine idle for 30 to 60 seconds before turning the 2. -
Page 15: The Safety-Interlock System
Testing the Safety-Interlock System Service Interval: Before each use or daily Test the safety interlock system before you use the machine each time. Note: If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. -
Page 16: Using The Lower Control Bar
Driving Forward up a Curb 1. Disengage the mower blades. 2. Select the first gear to drive the machine. 3. Drive machine until the caster wheels contact the curb (Figure 11). 4. Lift the front of the machine by pushing down on the lower handle (Figure 11). -
Page 17: Stopping The Machine
Stopping the Machine Note: Lifting up on the lower handle will assist driving the machine up a curb and not spin the drive wheels. To stop the machine, pull back on the upper control bar, release the blade control bail, and turn the ignition key to off. -
Page 18: 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 19: Adjusting The Handle Height
Figure 17 36 inch Mower Deck Figure 15 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 3. Spacer Note: In certain mowing conditions and terrain, a mismatch of cutting height may be seen. -
Page 20: Adjusting The Flow Baffle
2. Loosen the upper flange bolts (3/8 x 1 inch) and the flange nut securing the handle to the rear frame (Figure 19). g012676 Figure 20 1. Slot 2. Nut Figure 19 Positioning the Flow Baffle 1. Upper handle 5. Upper mounting hole 6. -
Page 21: Using The Mid-Size Weight
Position B Using the Mid-Size Weight Use this position when bagging (Figure 22). 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 24 Figure 25). - Page 22 Figure 25 Installing the rear weight 1. Nut 3. Washer 2. Weight 4. Bolt...
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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 safety interlock system. •... -
Page 24: 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 Greasing the Machine 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 25: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Service Interval: Every 25 hours—Clean the 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 26: 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 27: 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 28: Servicing The Spark Plugs
Servicing the Spark Plugs 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 29: 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 30: 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 31: 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 32: Servicing The Caster Wheel And Bearings
Figure 44 Figure 45 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 33: 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 34: 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 35: Belt Maintenance
Belt Maintenance 5. Disconnect the clutch wire connector from the wire harness. 6. Disconnect the clutch retainer from the engine deck Replacing the Traction-Drive (Figure 49). 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 36: Replacing The Pto-Drive Belt
6. Disconnect the idler arm spring to relieve tension on the idler arm and idler pulley, then remove the worn mower belt (Figure 50 Figure 51). 7. Install the new mower belt around the 2 outside spindle pulleys, the idler pulley, and in the lower groove of the double spindle pulley (Figure 50 Figure... -
Page 37: Adjusting The Pto-Drive-Belt-Idler-Spring Anchor
9. Roll the belt onto the center pulley on the mower deck (Figure 52). Refer to Figure 53 to roll the new belt onto the left pulley for a 36 inch mower deck. Note: Use caution when install the belt as tension will increase because of the spring loaded idler pulley. -
Page 38: 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 A worn or damaged blade can break, and a piece of the blade could be thrown into the operator's or bystander's area, resulting in serious personal injury or death. -
Page 39: 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 40: Correcting The Mower Quality Of Cut
Figure 61 1. Blade 2. Balancer Installing the Blades 1. Install the blade onto the spindle shaft (Figure 58). Important: The sail part of the blade must be pointing upward, toward the inside of the mower to ensure proper cutting (Figure 58). -
Page 41: Frame Setup
Frame Setup Checking the Engine Deck Height 1. Disengage the PTO and set the parking brake. Checking the Carrier Frame and Engine 2. Stop the engine, remove the key, and wait for all moving Deck Alignment parts to stop before leaving the operating position. 3. -
Page 42: Checking The Mower Deck Front-To-Rear Pitch
Figure 64 Figure 65 1. Carrier frame 4. Height at locations A and 1. Caster wheel 4. Same height at locations A and B 2. 6-10 mm (1/4-3/8 inch) 5. Caster wheel 2. Carrier frame 5. Caster spacers pitch over 61 cm (24 inch) 3. -
Page 43: Changing The Mower Deck Front-To-Rear Pitch
Checking the Mower Deck Side-to-Side Height 1. Adjust the rear tire pressure to specifications; refer to Drive System Maintenance (page 30) 2. Position the blades side-to-side. 3. Measure at C and D locations from a level surface to the cutting edge of blade tips (Figure 69). -
Page 44: Changing The Mower Deck Side-To-Side Height
Changing the Mower Deck Side-to-Side Height Changing the side-to-side height is done by adjusting the rear tire pressure and caster spacers. 1. Change the rear tire pressure. Note: Do this to the corresponding side that needs adjustment. 2. Adjust the caster spacer. 3. - Page 45 g015594 Figure 73 1. Bolt 5. Spring installed 2. Spacer 6. Grass deflector 3. Locknut 7. J hook end of spring 4. Spring 2. Place the spacer and spring onto the grass deflector. Place one J end of the spring behind the deck edge. Note: Make sure that one J end of the spring is installed behind the deck edge before installing the bolt as shown in...
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Page 46: 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 47: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade control switch (PTO) is 1. Move the blade control switch (PTO) engaged. to disengaged. 2. The parking brake is not on. 2. Set the parking brake. 3. - Page 48 Problem Possible Cause Corrective Action The machine does not drive. 1. The by pass valves is not closed tight. 1. Tighten the by pass valves. 2. The pump belt is worn, loose or broken. 2. Change the belt. 3. The pump belt is off a pulley. 3.
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Page 49: Schematics
Schematics Electrical Schematic (Rev. A) - Page 50 Notes:...
- Page 51 Notes:...
- Page 52 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.