Related Manuals for Toro 39494
Summary of Contents for Toro 39494
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Page 1: Cutting Unit
Form No. 3360-261 Rev A Commercial Walk-Behind Mower with Floating Deck, T-Bar, Hydro with 36in TURBO FORCE ® Cutting Unit Model No. 39494—Serial No. 280000001 and Up Register at www.Toro.com. Original Instructions (EN) -
Page 2: Table Of Contents
Whenever you need service, genuine Toro parts, or Contents additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 Introduction..............2 identifies the location of the model and serial numbers Safety ................ - Page 3 Starting and Stopping the Engine ......14 Servicing the Cutting Blades ....... 43 Operating the Mower Blade Control Correcting the Mower Quality of Cut ....44 (PTO) ............15 Frame Set Up ............. 45 The Safety Interlock System........ 15 Checking the Mower Deck Front-to-Rear Driving Forward or Backward......
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Page 4: Safety
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 – Never refuel or drain the machine indoors. other manufacturers that do not meet American National Standards Institute certification will cause •... -
Page 5: Toro Mower Safety
The following list contains safety information specific to Toro products and other safety information you must • Keep nuts and bolts tight, especially the blade know. - Page 6 • Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently. Adjust and service as required.
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Page 7: Slope Chart
Slope Chart... -
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. 95-2814 1-523552 98-0776 98-5954 43-8480 Battery Symbols Some or all of these symbols are on your battery 1. - Page 9 Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 104-8185 104-8569 110-2067 105-7798 110-2068 1. Read the Operator’s Manual. 106-0635 112-8720 106-0699...
- Page 10 114-3423 1. Fast 3. Engine 5. Choke 2. Continuous variable setting 4. Slow 114-3424 1. Traction control 3. Slow 5. Reverse 2. Fast 4. Neutral 6. Disengage the PTO (Power Take Off) 114-3425 1. Thrown object 4. Engine—run 7. Push in on the PTO (Power 10.
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Page 11: Product Overview
Contact your Authorized Service Dealer or Distributor or go to Throttle Control www.Toro.com for a list of all approved attachments The throttle control has two positions: Fast and Slow. and accessories. -
Page 12: Specifications
Specifications Operation Note: Specifications and design are subject to change Adding Fuel without notice. Use Unleaded Regular Gasoline suitable for Width with deflector down 51–1/8 inches (130 cm) automotive use (85 pump octane minimum). Leaded Length 78–1/2 inches (199 cm) regular gasoline may be used if unleaded regular is not Height 46 inches (117 cm) -
Page 13: Checking The Engine Oil Level
Important: Do not use fuel additives containing methanol or ethanol. In certain conditions during fueling, static Add the correct amount of gas electricity can be released causing a spark stabilizer/conditioner to the gas. which can ignite the gasoline vapors. A fire Note: A fuel stabilizer/conditioner is most or explosion from gasoline can burn you and effective when mixed with fresh gasoline. -
Page 14: Starting And Stopping The Engine
Note: A warm or hot engine may not require If the parking brake does not hold securely, adjust it. Refer to Servicing the Parking Brake. choking. To start a warm engine, move throttle control midway between the fast and slow positions. -
Page 15: Operating The Mower Blade Control (Pto)
Operating the Mower Blade The Safety Interlock System Control (PTO) The blade control switch (PTO) is used in conjunction with the right side motion control lever to engage and If safety interlock switches are disconnected disengage the mower blades. or damaged the machine could operate unexpectedly causing personal injury. -
Page 16: Driving Forward Or Backward
blade control switch (PTO) and release. The clutch The farther you move the traction control levers in should engage and the mower blades begin rotating. either direction, the faster the machine will move in that direction. 8. Move or release the right side motion control lever into the neutral lock position. -
Page 17: Pushing The Machine By Hand
Important: Do not start or operate the machine with the by-pass valves open. Damage to system may occur. Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. Transporting Machines Always remove the ignition key and set the Use a heavy-duty trailer or truck to transport the parking brake when leaving the machine machine. -
Page 18: Adjusting The Height-Of-Cut
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. Contact with rotating mower blade(s) and thrown debris will cause injury or death. • Never remove the grass deflector from the mower because the grass deflector routes material down toward the turf. -
Page 19: Adjusting The Flow Baffle
Figure 11 Figure 12 1. Mower deck 4. Anti-Scalp Rollers 3. Rotate cam to increase or 1. Cam lock decrease locking pressure 2. Bolt 5. Nut 3. Spacer 2. Lever 4. Slot 5. In certain mowing conditions and terrain, a Positioning the Flow Baffle mismatch of cutting height may be seen. - Page 20 • 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.
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Page 21: Using The Mid-Size Weight
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 16). The following table indicates the position of the weight as installed at the factory. -
Page 22: 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. • Check the hydraulic fluid level. After the first 8 hours •... -
Page 23: Lubrication
Lubrication Greasing the PTO Drive Belt Idler and Mower Deck Belt Grease with No. 2 general purpose lithium base or Idler 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 18). -
Page 24: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Service Interval/Specification Inspect the foam and paper elements and replace them if they are damaged or excessively dirty. Note: Service the air cleaner more frequently (every few operating hours) if the operating conditions are extremely dusty or sandy. -
Page 25: Servicing The Engine Oil
1. Carefully slide the foam element onto the paper air cleaner element (Figure 19). 2. Place the air cleaner assembly onto the air cleaner base and secure it with the 2 wing nuts (Figure 19). 3. Place the air cleaner cover into position and tighten the cover knob (Figure 19). -
Page 26: Servicing The Spark Plugs
3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 23). 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 23). -
Page 27: Fuel System Maintenance
Fuel System 4. Clean around the spark plugs to prevent dirt from falling into the engine and potentially causing Maintenance damage. 5. Remove the spark plugs and the metal washers. Draining the Fuel Tank Checking the Spark Plugs Service Interval: Every 100 hours 1. -
Page 28: Servicing The Fuel Filter
Figure 26 1. Fuel shut-off valve 2. Clamp Figure 27 1. Hose clamp 3. Filter 2. Fuel line Servicing the Fuel Filter 5. Remove the filter from the fuel lines. Replacing the Fuel Filter 6. Install a new filter and move the hose clamps close Service Interval: Every 200 hours to the filter. -
Page 29: Electrical System Maintenance
Electrical System Maintenance Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, Servicing the Battery resulting in personal injury. Always keep the battery clean and fully charged. Use • Always Disconnect the negative (black) a paper towel to clean the battery case. -
Page 30: Adding Water To The Battery
Figure 29 1. Vent caps 3. Lower line 2. Upper line 2. If the electrolyte is low, add the required amount of distilled water; refer to Adding Water to the Battery in Electrical System Maintenance , page 29. Adding Water to the Battery The best time to add distilled water to the battery is just before you operate the machine. -
Page 31: Servicing The Fuses
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. -
Page 32: Drive System Maintenance
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. Figure 33 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. -
Page 33: Servicing The Caster Wheel And Bearings
Remember the location of the spacers on each fork 1. Remove the locknut and wheel bolt holding the to ensure correct installation, and to maintain a level caster wheel to the caster fork (Figure 36). deck. 4. Insert a pin punch into the mounting tube and carefully drive out the bushings (Figure 35). -
Page 34: Cooling System Maintenance
Cooling System assembly. Make sure it is between the armature and the rotor friction surfaces. Maintenance 2. Tighten the lock nuts until there is slight binding on the feeler gauge but it can be moved easily within the air gap (Figure 37). Cleaning the Air Intake Screen 3. -
Page 35: Brake Maintenance
Brake Maintenance 9. Tighten the top and bottom jam nuts (Figure 38). 10. Check the brake operation again; refer to Checking the Brake. Servicing the Brake Before each use, check brakes on both a level surface and slope. Always set the parking brake when you stop the machine or leave it unattended. -
Page 36: Belt Maintenance
Belt Maintenance 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. -
Page 37: Adjusting The Pto Drive Belt Idler Spring Anchor
10. Install the heat shield to the engine deck and carrier frame. 11. Install the belt covers onto the cutting unit and secure the latches. 12. Install the carrier frame cover onto the carrier frame and secure the latches. Figure 41 1. -
Page 38: Controls System Maintenance
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. -
Page 39: Motion Control Levers
Figure 45 1. Right side motion control 3. 1/8 inch (3mm) gap lever pivot shown under needed between switch controls and control lever 2. Right side motion control 4. Switch lever Figure 44 Adjusting the Neutral Postion for the 1. Cam 4. -
Page 40: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Checking the Hydraulic Fluid Service Interval: After the first 8 hours Every 25 hours Fluid Type: Mobil 1 15W-50 synthetic motor oil or equivalent synthetic oil. Figure 46 Important: Use oil specified or equivalent. Other 1. - Page 41 8. Recheck the fluid level while the fluid is warm. If 3. Remove hydraulic reservoir cap and temporarily required, add fluid to the reservoir until it reaches cover opening with a plastic bag and rubber band to the hot level of the baffle. prevent all hydraulic fluid from draining out.
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Page 42: Bleeding The Hydraulic System
Important: Use oil specified or equivalent. Other fluids could cause system damage. Hydraulic fluid escaping under pressure can 12. Start engine and let run for about two minutes to penetrate skin and cause injury. purge air from the system. Stop the engine and check for leaks. -
Page 43: Mower Deck Maintenance
Mower Deck Checking for Bent Blades 1. Disengage the PTO, move the motion control levers Maintenance to the neutral locked position and set the parking brake. Servicing the Cutting Blades 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating To ensure a superior quality of cut, keep the blades position. -
Page 44: Correcting The Mower Quality Of Cut
If the blade is not balanced, file some metal off performance and continued safety conformance of the end of the sail area only (Figure 54). Repeat this the machine, use genuine Toro replacement blades. procedure until the blade is balanced. Replacement blades made by other manufacturers may result in non-conformance with safety standards. -
Page 45: Frame Set Up
4. Check that the blades and spindle shafts are not bent. Refer to Checking for Bent Blades. 5. Set the height-of-cut to the 4 inch (101.6 mm) position. Refer to Adjusting the Height-Of-Cut in Operation , page 12. 6. Perform the steps in the following sections Frame Set Up, Checking Front-to-Rear Pitch, and Checking Side-to-Side Leveling. -
Page 46: Checking The Mower Deck Front-To-Rear Pitch
Checking the Carrier Frame 4. Measure carrier frame height at location A Front-to-Rear Pitch (Figure 60). 5. Measure carrier frame height at location B The carrier frame must have a pitch between 1/8 inch (Figure 60). (3 mm) to 3/8 inch (9 mm) over the length of 24 inches (61 cm) on the carrier frame (Figure 59). -
Page 47: Changing The Mower Deck Front-To-Rear Pitch
3. To lower the front of the deck, loosen jam nut and rotate the front pin counter clockwise (Figure 63). 4. Position the blades front-to-rear. Measure at C and D locations (Figure 61) from a level surface to the cutting edge of the blades. 5. -
Page 48: Matching Height Of Cut
Matching Height of Cut Replacing the Grass Deflector 1. Check the rear tire pressure. 2. Set the height-of-cut to the 4 inch (101.6 mm) position following the height-of-cut decal. An uncovered discharge opening could allow the lawn mower to throw objects in the 3. -
Page 49: Cleaning
Cleaning position and ensure that it rotates into the full down position. Cleaning Under the Mower Service Interval: Before each use or daily Remove the grass buildup under the mower daily. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. -
Page 50: Storage
Storage 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 1. Disengage the power take off (PTO), set the parking or replace any part that is damaged or defective. -
Page 51: 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 52 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.
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Page 53: Schematics
Schematics Hydraulic Schematic (Rev. A) - Page 54 (Rev. A)
- Page 55 Notes:...
- Page 56 Countries Other than the United States or Canada Customers who have purchased Toro products exported from 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 dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer.