Form No. 3367-266 Rev A Commercial Walk-Behind Mower Floating Deck, Split Lever, Hydro Drive with 36in, 40in, 48in or 52in TURBO FORCE® Cutting Unit Model No. 30484—Serial No. 311000001 and Up Model No. 30486—Serial No. 311000001 and Up Model No. 30488—Serial No. 311000001 and Up Model No. 30489—Serial No. 311000001 and Up g014653 To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
WARNING CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. This spark ignition system complies with Canadian ICES-002. Important: This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land.
Specifications ..................................................... 12 Operation................................................................... 13 Adding Fuel ....................................................... 13 Checking the Engine Oil Level............................ 14 Think Safety First ............................................... 14 Operating the Parking Brake ............................... 14 Starting and Stopping the Engine ........................
Safety – Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. Note: The addition of attachments made by other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine. – Never refuel or drain the machine indoors. • Check that operator’s presence controls, safety switches and shields are attached and functioning properly. Do not operate unless they are functioning properly.
• Keep pets and bystanders away. • Slow down and use caution when making turns and crossing roads and sidewalks. Stop blades if not mowing. • Be aware of the mower discharge direction and do not point it at anyone. • Do not operate the mower under the influence of alcohol or drugs. • Use care when loading or unloading the machine into or from a trailer or truck. • Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision.
• Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently. Adjust and service as required.
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. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3. Example of how to compare slope with folded edge.
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. 98-5954 43-8480 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 2. No fire, open flame, or smoking. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 66-1340 5. Read the Operator’s Manual. 6. Keep bystandersa safe distance from the battery. 7.
Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 104-8186 40in and larger mower decks 110-2067 104-8569 110-2068 105-7798 1. Read the Operator’s Manual.
115-4212 1. Hydraulic oil level 115-4186 3. Warning—do not touch the hot surface. 1. 2. 3. 4. 5. 6. 2. Read the Operator’s Manual. Interval Power Take-off (PTO) Parking brake Neutral Operator presence switch Battery 115–4179 1. Move the motion control lever to the neutral position, then pull 6. Warning—stop the engine before leaving the machine. out on PTO (Power Take Off) switch to engage the blades. 2. Push in on the PTO (Power Take Off) to disengage the blades. 7.
4-3424 1. Traction control 2. Fast 5. Reverse 6. Disengage the PTO (Power Take Off) 3. Slow 4. Neutral Product Overview 4 3 2 1 5 Figure 5 6 1. Ignition switch 2. Left motion control lever 7 g014654 3. Throttle control 4. Hour meter 5. Fuel tank Figure 4 1. 2. 3. 4. Side discharge chute Engine Gas tank Controls 5. Parking brake 6. Mower deck 7. Front caster wheel 6. Choke 7. Neutral lock position for right motion control lever 8. Right motion control lever 9. blade control switch (PTO) 10.
enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Specifications Note: Specifications and design are subject to change without notice. Figure 6 1. Safety interlock symbols 2. Battery light 36 inch mowers: 3. Hour meter Throttle Control The throttle control has two positions: Fast and Slow.
Operation DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. • Always place gasoline containers on the ground away from your vehicle before filling.
Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Filling the Fuel Tank Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes. 1. Shut the engine off and set the parking brake. 2.
Operating the Mower Blade Control (PTO) The blade control switch (PTO) is used in conjunction with the right side motion control lever to engage and disengage the mower blades. Engaging the Mower Blades (PTO) 1. To engage the mower blades, move the right side motion control lever to the center, un-locked position (Figure 9). 2. Pull the blade control switch (PTO) up and release it while holding down the right side motion control lever in the center, un-locked position. Figure 8 1. Ignition switch 2.
The Safety Interlock System 2. Set the parking brake. 3. Move the right side motion control lever to the center, un-locked position. The blades should not rotate. CAUTION If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. 4. Move the motion control levers forward.
2. Move the right side motion control lever to the center, un-locked position. the neutral lock position, disengage the power take off (PTO), and turn the ignition key to off. 3. To go forward, slowly push the motion control levers forward (Figure 11). Set the parking brake when you leave the machine; refer to Setting the Parking Brake in Operation (page 13). Remember to remove the key from the ignition switch.
Figure 13 1. Traction unit tie down loop Figure 12 1. Pump by-pass valve Side Discharging or Mulching the Grass 3. Release the parking brake. This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. 4. Push the machine to the desired location. 5. Set the parking brake. DANGER 6. Close the by-pass valves, but do not overtighten them.
1. Select hole in height-of-cut post and number of spacers corresponding to the height-of-cut desired (Figure 14). (10 mm) clearance above the ground (Figure 15, Figure 16, Figure 17). 2. If adjustment is needed, remove the bolt, washers and nut (Figure 15, Figure 16, Figure 17). 2. Using the lift handle, raise side of deck and remove hairpin cotter (Figure 14). 3. Select a hole position so the anti-scalp rollers are a minimum of 3/8 inch (10 mm) off the ground (Figure 15, Figure 16, Figure 17). 3.
1. Disengage the PTO, move the motion control levers to 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. 3. To adjust the cam lock, swing the lever up to loosen the cam lock (Figure 18). 4. Adjust the baffle and cam lock in the slot to the desired discharge flow. 5. Swing the lever back over to tighten the baffle and cam lock (Figure 18). 6.
Figure 21 Figure 19 Position B Use this position when bagging (Figure 20). Figure 20 Position C This is the full open position. The suggested use for this position is as follows (Figure 21). • Use in tall, dense grass mowing conditions. • Use in wet conditions. • Lowers the engine power consumption. • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS mower.
Using the Mid-Size Weight 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 22 or Figure 23). The following table indicates the position of the weight as installed at the factory.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. • Check the hydraulic fluid level. • Change the hydraulic filter. Before each use or daily • • • • • • • Check the safety interlock system. Grease the front caster pivot bearing. Check the engine oil level. Clean the air intake screen. Check the brakes.
Lubrication Greasing the PTO Drive Belt Idler and Mower Deck Belt Idler Grease with No. 2 general purpose lithium base or molybdenum base grease. Service Interval: Every 50 hours How to Grease Every 50 hours 1. Disengage the PTO and set the parking brake. Grease the idler pulley pivots (Figure 25 or Figure 26). 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
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 dusty or sandy. Figure 27 1. Cover 2. Hose clamp 3. Paper element 4. Foam element Important: Do not oil the foam or paper element.
Servicing the Engine Oil Service Interval/Specification Service Interval: Before each use or daily—Check the engine oil level. After the first 8 hours—Change the engine oil. Every 100 hours—Change the engine oil. Figure 29 1. Oil dipstick Every 200 hours—Change the oil filter. 2. Filler tube 5. Unscrew the oil dipstick and wipe the end clean (Figure 29). Note: Change the oil more frequently when the operating conditions are extremely dusty or sandy. 6.
4. Install the replacement oil filter to the filter adapter, turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 3/4 turn (Figure 31). 5. Fill the crankcase with the proper type of new oil; refer to Servicing the Engine Oil. 6. Run the engine for about 3 minutes, stop the engine, and check for oil leaks around the oil filter and drain valve. 7. Check the engine oil level and add oil if needed. 8. Wipe up any spilled oil.
Checking the Spark Plugs Fuel System Maintenance 1. Look at the center of the spark plugs (Figure 33). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. Draining the Fuel Tank 2. If needed, clean the spark plug with a wire brush to remove carbon deposits. DANGER In certain conditions, gasoline is extremely flammable and highly explosive.
Figure 34 1. Fuel filter 2. Clamp 3. Fuel shut-off valve Figure 35 1. Hose clamp 2. Fuel line Servicing the Fuel Filter 3. Filter 5. Remove the filter from the fuel lines. Service Interval: Every 200 hours/Yearly (whichever comes first) 6. Install a new filter and move the hose clamps close to the filter. Replacing the Fuel Filter 7. Open fuel shut-off valve at fuel tank (Figure 34). 8. Check for fuel leaks and repair if needed. Never install a dirty filter if it is removed from the fuel line. 9.
Electrical System Maintenance Servicing the Battery Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda. Apply a light coating of grease to the battery terminals to prevent corrosion. Voltage: 12 V 1 g014686 2 WARNING Figure 36 1. Fuel vent filter 2.
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. 7 6 • 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. 5 8 9 4 3 2 10 11 1. Disengage the PTO and set the parking brake. 2.
Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 32°F (0°C). 1. Remove the battery from the chassis; refer to Removing the Battery. 2. Check the electrolyte level; refer to Checking the Electrolyte Level. Figure 38 1. Vent caps 2. Upper line 3. Lower line 3. Make sure the filler caps are installed in battery. Charge battery for 1 hour at 25 to 30 amps or 6 hours at 4 to 6 amps. 2.
Drive System Maintenance Adjusting the Tracking 1. If the machine does not track straight, adjustment is required. 2. Check the rear tire pressure. Refer to Checking the Tire Pressure. 3. Loosen the wing nuts on the right control rod and rotate the turnbuckle in or out to ensure the right side control lever is centered in the neutral lock position. Secure the turnbuckle in position with the wing nuts (Figure 41). Figure 40 1. Red wire 2. Fuse, 30 amp, blade type 4.
Maintain the air pressure in the rear tires at 12-14 psi (83-97 kPa). Uneven tire pressure can cause an uneven cut. Note: The front tires are semi-pneumatic tires and do not require air pressure maintenance. Figure 43 Figure 42 1. Locking Pin 2. Spacers Replacing the Caster Wheel Fork Bushings 3. Carrier frame pivot tube 4. Caster wheel fork 3. Pull the caster wheel fork out of the mounting tube, leaving the spacer(s) on the bottom of the fork.
4. Inspect the roller bearing, bushings, spanner bushing and inside of the wheel hub for wear. Replace any defective or worn parts (Figure 45). 6. Inspect the caster wheel fork for wear and replace if necessary (Figure 43). 7. Slide the caster wheel fork through the bushings in the mounting tube. Replace the spacer(s) onto the fork and secure with the retaining ring (Figure 43). 5. To assemble, place one bushing into the wheel hub.
Cooling System Maintenance Brake Maintenance Cleaning the Air Intake Screen Before each use, check brakes on both a level surface and slope. Service Interval: Before each use or daily 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.
Belt Maintenance 9. Tighten the top and bottom jam nuts (Figure 47). 10. Check the brake operation again; refer to Checking the Brake. Replacing the Mower Belt Service Interval: Every 50 hours Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. 1. Disengage the PTO and set the parking brake. 2.
are signs of a worn drive belt. Replace the drive belt if any of these conditions are evident. 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. Unlatch and remove the carrier frame cover. 4. Unlatch and remove the belt covers. 5. Remove the heat shield from the engine deck and carrier frame. 6. Roll the belt off of the center pulley on the mower deck (Figure 50).
Use Figure 52 for the idler position options. g014677 Figure 50 40 inch, 48 inch, and 52 inch Mower Deck shown 1. PTO drive belt guide 2. PTO drive Belt 3. Idler spring Figure 52 4. PTO engagement pulley 5. PTO drive belt idler pulley 6. Center spindle pulley 1. PTO drive belt idler pulley 2. PTO drive Belt 3. Idler spring 4. Most tension for worn belts 5. Medium tension for normal belt conditions 6. Least tension for new belts Replacing the Pump Drive Belt Service Interval: Every 50 hours 1.
Controls System Maintenance Adjusting the Motion Control Handle Positions Adjusting the Right Side Motion Control Lever If the motion control levers do not align horizontally, adjust the right side motion control lever. Note: Adjust the horizontal alignment before the front to back alignment. 1. Disengage the PTO, move the right side motion control lever to the neutral position and set the parking brake. 2.
Figure 56 1. Right side motion control lever pivot shown under controls 2. Right side motion control lever 3. 1/16 inch to 3/32 inch (1.6 mm to 2.4 mm) gap needed between switch and control lever 4. Switch Figure 55 1. Cam 2. Nut and bolt 3. Wing nut 4. Turnbuckle 5. Switch screws Adjusting the Neutral Postion for the Motion Control Levers Important: Ensure the tracking of the mower is correct after adjusting the motion control levers.
Hydraulic System Maintenance Servicing the Hydraulic System Checking the Hydraulic Fluid Service Interval: After the first 8 hours Every 25 hours Note: There are two ways of checking the hydraulic oil. One is when the oil is warm and one is when the oil is cold. The baffle inside the tank has two levels depending if the oil is warm or cold. 1. Position machine on a level surface. 2. Disengage the power take off (PTO) and shut off the engine. 3.
WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. • Keep body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid. Figure 60 • Use cardboard or paper to find hydraulic leaks.
check for leaks. If one or both wheels will not drive, refer to Bleeding Hydraulic System. WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 11. Recheck level and add fluid, if required. Do not overfill. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done.
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. • Inspect the blades periodically for wear or damage. • Replace a worn or damaged blade.
WARNING A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace bent or damaged blade with a new blade. • Never file or create sharp notches in the edges or surfaces of blade. 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.
Figure 68 1. Blade 2. Balancer Installing the Blades 1. Install the blade onto the spindle shaft (Figure 65). Important: The sail part of the blade must be pointing upward, toward the inside of the mower to ensure proper cutting (Figure 65). 2. For 40 inch and 48 inch mower decks, install the blade, curved washer, and blade bolt (Figure 65). 3. For 36 inch and 52 inch mower decks, install the blade, stiffener, curved washer, and blade bolt (Figure 66). Figure 66 36 inch and 52 inch Mower Decks 1.
Checking the Engine Deck Height Frame Set Up 1. Disengage the PTO and set the parking brake. Checking the Carrier Frame and Engine Deck Alignment 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Note: Misalignment can cause excess wear on the PTO drive belt. 3. Adjust the tire pressure in the rear tires to specifications; refer to Drive System Maintenance (page 33) . 1. Disengage the PTO and set the parking brake. 2.
make it level. The tire pressure may also be adjusted slightly to make it level. Figure 71 1. Carrier Frame 4. Height at locations A and B 5. Caster Wheel 2. 1/8 inch -3/8 inch (3-10 mm) pitch over 24 inch (61 cm) length 3. 24 inches (61 cm) 6. Caster spacers Figure 72 1. Caster Wheel 2. Carrier Frame 3. Front height-of-cut pins 4. Same height at locations A and B 5. Caster spacers 2. Measure carrier frame height at location A (Figure 71). Checking the Mower Deck Front-to-Rear Pitch 3.
Figure 73 40 inch, 48 inch, and 52 inch Mower Deck shown 1. Measure blade at points A and B Figure 75 1. Caster Wheel 2. Carrier Frame 3. Front height-of-cut pins 2. Measure from a level surface 4. Jam nut 5. Ball joint 2. To raise the front of the deck, loosen jam nut and rotate the front pin clockwise (Figure 75). 3. To lower the front of the deck, loosen jam nut and rotate the front pin counter clockwise (Figure 75). 4. Position the blades front-to-rear.
3. With the machine on level surface, position one blade front-to-rear. Measure at A and from level surface to the cutting edge of the blade tips (Figure 78). For 36 inch mower decks use Figure 79. Figure 76 40 inch, 48 inch, and 52 inch Mower Deck shown 1. Measure from a level surface 2. Measure blade at points C and D Figure 78 40 inch, 48 inch, and 52 inch Mower Deck shown 1. Measure from a level surface 2. Measure blade at point A Figure 77 36 inch Mower Deck shown 3.
Replacing the Grass Deflector Cleaning WARNING Cleaning Under the Mower An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur. Service Interval: Before each use or daily Remove the grass buildup under the mower daily. Never operate the lawn mower unless you install a cover plate, a mulch plate, grass deflector or bagger. 1.
Storage hole. Now use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). Cleaning and Storage 10. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or defective. 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 11. Paint all scratched or bare metal surfaces.
Troubleshooting Problem Engine will not start, starts hard, or fails to keep running. Engine loses power. Engine overheats. Machine does not drive. Abnormal vibration. Uneven cutting height. Possible Cause Corrective Action 1. Fuel tank is empty. 1. Fill fuel tank with gasoline. 2. Choke is not on. 3. Air cleaner is dirty. 4. Spark plug wire is loose or disconnected. 5. Spark plug is pitted, fouled, or the gap is incorrect. 6. Dirt in the fuel filter. 7.
Problem Blades do not rotate. Possible Cause Corrective Action 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. 3. Install new deck belt. 4. Install deck pulley and check the idler pulley, idler arm and spring for correct position and function. 5. Replace the spring. 6. Adjust the clutch air gap. 7. Contact an Authorized Service Dealer. 8.
Schematics Hydraulic Schematic (Rev.
Electrical Schematic (Rev.
Notes: 58
Notes: 59
The Toro Total Coverage Warranty A Limited Warranty (see warranty periods below) Conditions and Products Covered 3. The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship. •Belts and Tires Warranty Period See engine manufacturer’s warranty1 90 days Parts and Labor 1 year Parts only 90 days •Attachments 1 year 21 in.
